Juvenile relaxation apparatus with motion system

Abstract

A juvenile relaxation apparatus includes a juvenile holder including a seat and a frame adapted to set on an underlying floor surface. The juvenile holder is either a bouncer, rocker, lounger, crib, bassinet, cradle, or other juvenile seat. The juvenile relaxation apparatus further includes a rocker blade and a rocker motion system coupled to the rocker blade. The rocker motion system produces side-to-side rocking motion of the rocker blade and frame.

1 . A juvenile relaxation apparatus comprising 
 a juvenile holder including a seat and a frame adapted to set on an underlying floor surface, the seat being coupled to the frame to lie in an elevated position above the underlying floor surface,    a rocker blade coupled to the frame and formed to include a curved bottom surface adapted to contact the underlying floor surface, and    a rocker motion system coupled to the rocker blade and configured to provide means for producing side-to-side rocking motion of the rocker blade and the frame coupled to the rocker blade.    
   
   
       2 . The apparatus of  claim 1 , wherein the means for producing side-to-side rocking motion of the rocker blade and the frame coupled to the rocker blade includes a stationary floor base adapted to contact the underlying floor surface, a rocker blade mount coupled to the rocker blade, and a rocker blade tilter supported for rotation relative to the rocker blade mount about an axis of rotation and to cooperate with the stationary floor base to provide mover means for repeatedly moving the rocker blade mount and the rocker blade coupled to the rocker blade mount relative to the stationary floor base to assume, in sequence, a left-tilting orientation, a first upright/level attitude, a right-tilting orientation, and a second upright/level altitude to establish the side-to-side rocking motion of the rocker blade on the underlying floor surface.  
   
   
       3 . The apparatus of  claim 2 , wherein the rocker blade tilter includes a rotatable cam shaft and an eccentric disk cam coupled to the rotatable cam shaft to rotate therewith and arranged to extend into a cam receiver formed in the stationary floor base.  
   
   
       4 . The apparatus of  claim 3 , wherein the rocker blade mount includes motorized rotary transmission means for rotating the rotatable cam shaft about an axis of rotation to move the eccentric disk cam in an eccentric pattern about the axis of rotation in the cam receiver formed in the stationary floor base to cause the rocker blade mount and the rocker blade coupled to the rocker blade mount to rock from side to side relative to the stationary floor base.  
   
   
       5 . The apparatus of  claim 1 , wherein the seat includes a headrest and a footrest in spaced-apart relation to the headrest, the frame includes a right support member arranged to underlie a right-side portion of the seat and a left support member arranged to underlie a left-side portion of the seat, and the rocker blade is arranged to lie under the footrest of the seat and interconnect the left and right support members of the frame.  
   
   
       6 . The apparatus of  claim 5 , wherein the frame further includes an auxiliary rocker blade arranged to underlie the headrest of the seat and interconnect the left and right support members and the auxiliary rocker blade is formed to include a downwardly facing curved bottom surface adapted to contact the underlying floor surface.  
   
   
       7 . The apparatus of  claim 5 , wherein the juvenile holder is a bouncer unit, the left and right support members are each made of an elastic material, the right support member includes a right knee coupled to a right side of the rocker blade, a lower right leg extending from the right knee to a right side of the auxiliary rocker blade, and an upper right leg extending from the right knee to a right side of the seat and cooperating with the lower right leg to define an acute included angle therebetween, and the left support member includes a left knee coupled to a left side of the rocker blade, a lower left leg extending from the left knee to a left side of the auxiliary rocker blade, and an upper left leg extending from the left knee to a left side of the seat and cooperating with the lower left leg to define an acute included angle therebetween.  
   
   
       8 . The apparatus of  claim 5 , wherein each of the left and right support members and the auxiliary rocker blade is made of a metal rod and the auxiliary rocker blade is interposed between and coupled to the left and right support members.  
   
   
       9 . The apparatus of  claim 5 , wherein the juvenile holder is a bassinet unit, each of the left and right support members is a U-shaped element, the right support member includes a first right knee coupled to the rocker blade, a second right knee coupled to the auxiliary rocker blade, an elongated right stretcher interconnecting the first and second right knees, a first right upright leg extending upwardly from the first right knee to the footrest of the seat, and a second right upright leg extending upwardly from the second right knee to the headrest of the seat, the left support member includes a first left knee coupled to the rocker blade, a second left knee coupled to the auxiliary rocker blade, an elongated left stretcher interconnecting the first and second left knees, a first left upright leg extending upwardly from the first left knee to the footrest of the seat, and a second left upright leg extending upwardly from the second left knee to the headrest of the seat.  
   
   
       10 . The apparatus of  claim 9 , wherein the left and right support members further include a first pivot axle coupled to the first left and right upright legs and to the footrest and a second pivot axle coupled to the second left and right upright legs and to the headrest and wherein the first and second pivot axles cooperate with the footrest and headrest to support the seat for swinging movement relative to the frame about a pivot axis extending through the first and second pivot axles.  
   
   
       11 . The apparatus of  claim 1 , further comprising a first frame kickstand mounted on a first end of the rocker blade for movement relative to the frame between an extended position extending below the curved bottom surface of the rocker blade to inhibit side-to-side rocking motion of the rocker blade on the underlying floor surface and a retracted position lying alongside the rocker blade to allow side-to-side rocking motion of the rocker blade on the underlying floor surface produced by the rocker motion system.  
   
   
       12 . The apparatus of  claim 11 , further comprising a second frame kickstand mounted on an opposite second end of the rocker blade for movement relative to the frame between an extended position extending below the curved bottom surface of the rocker blade to cooperate with the first frame kickstand to maintain the rocker blade in an upright/level attitude relative to the underlying floor surface upon movement of the first frame kickstand to the extended position further to inhibit side-to-side rocking motion of the rocker blade on the underlying floor surface and a retracted position lying alongside the rocker blade to allow side-to-side rocking motion of the rocker blade on the underlying floor surface upon movement of the first frame kickstand to the retracted position.  
   
   
       13 . A juvenile relaxation apparatus comprising 
 a juvenile holder including a seat and a frame adapted to set on an underlying floor surface, the seat being coupled to the frame to lie in an elevated position above the underlying floor surface,    a rocker blade coupled to the frame and formed to include a curved bottom surface adapted to contact the underlying floor surface, and    a rocker motion system coupled to the rocker blade and configured to provide means for producing side-to-side rocking motion of the rocker blade and the frame coupled to the rocker blade, wherein the rocker blade is formed to include a chamber, the rocker motion system includes a floor base located in the chamber and arranged to extend through at least one aperture formed in the rocker blade to contact the underlying floor surface to remain in a stationary position during relative side-by-side rocking motion of the rocker blade.    
   
   
       14 . The apparatus of  claim 13 , wherein the rocker motion system further includes a rocker blade mover located in the chamber and coupled to the floor base and the rocker blade mover is configured to provide mover means for repeatedly moving the rocker blade and the frame coupled to the rocker blade relative to the floor base to assume, in sequence, a first upright/level attitude, a left-tilting orientation, a second upright/level attitude, and a right-tilting orientation to establish the side-to-side rocking motion of the rocker blade on the underlying floor surface.  
   
   
       15 . The apparatus of  claim 14 , wherein the seat includes a headrest and a footrest in spaced-apart relation to the headrest, the frame includes a right support member arranged to underlie a right-side portion of the seat and a left support member arranged to underlie a left-side portion of the seat, the rocker blade is arranged to lie under the footrest of the seat and interconnect the left and right support members of the frame, and the chamber formed in the rocker blade is located between the right and left support members.  
   
   
       16 . The apparatus of  claim 15 , wherein the rocker blade includes a bottom shell and a top shell interposed between the bottom shell and the seat and coupled to the bottom shell to define the chamber therebetween and wherein the bottom shell is formed to include the at least one aperture.  
   
   
       17 . The apparatus of  claim 14 , wherein the rocker blade includes a bottom shell and a top shell interposed between the bottom shell and the seat and coupled to the bottom shell to define the chamber therebetween, the bottom shell is formed to include the at least one aperture, the floor base includes a pivot axle, and the bottom shell is formed to include means for supporting the pivot axle to permit pivoting movement of the top and bottom shells about a pivot axis established by the pivot axle relative to the floor base during side-to-side rocking motion of the rocker blade on the underlying floor surface.  
   
   
       18 . The apparatus of  claim 14 , further comprising blade vibrator means located in the chamber formed in the rocker blade for vibrating the bouncer unit.  
   
   
       19 . The apparatus of  claim 14 , wherein the floor base further includes a cam support fixture formed to include a cam receiver, the rocker blade mover includes a motor housing coupled to the rocker blade to move therewith, and the mover means includes a rotatable cam shaft extending into the motor housing, an eccentric disk cam coupled to the rotatable cam shaft and arranged to extend into the cam receiver formed in the cam support fixture of the floor base, and motorized rotary transmission means including a drive motor located in the motor housing for rotating the rotatable cam shaft about an axis of rotation to move the eccentric disk cam in an eccentric pattern about the axis of rotation in the cam receiver to cause the motor housing and the rocker blade coupled to the motor housing to rock from side to side relative to the floor base.  
   
   
       20 . The apparatus of  claim 19 , wherein the floor base further includes left and right feet arranged to lie in laterally spaced-apart relation to one another to locate the cam receiver formed in the cam support fixture therebetween, each of the left and right feet is arranged to extend through and move in a companion aperture formed in the rocker blade to contact the underlying floor surface, and the floor base further includes axle means coupled to the rocker blade for supporting the rocker blade for pivotable movement about a pivot axis relative to the floor base in sequence between a first tilted position causing the left foot to be retracted substantially into the chamber formed in the rocker blade and a portion of the right foot to be extended out of the chamber to establish the left-tilting orientation of the rocker blade and the frame coupled to the rocker blade, a centered position causing each of the left and right feet to be extended through the companion apertures to establish first and second upright/level attitudes of the rocker blade and the frame coupled to the rocker blade, and a second tilted position causing the left foot to be extended out of the chamber and the right foot to be retracted substantially into the chamber the establish a right-tilting orientation of the rocker blade and the frame coupled to the rocker blade.  
   
   
       21 . The apparatus of  claim 19 , wherein the cam support fixture includes first and second spaced-apart vertical side walls bordering the cam receiver and maintaining contact with the eccentric disk cam during rotation of the rotatable cam shaft about the axis of rotation, the eccentric disk cam includes a mount portion coupled to the rotatable cam shaft and arranged to extend a first radial distance away from the axis of rotation and an eccentric portion coupled to the mount portion and arranged to extend a greater second radial distance away from the axis of rotation, and the eccentric portion is arranged to move in sequence in the cam receiver, in response to rotation of the rotatable cam shaft about the axis of rotation, between a 6 o'clock position associated with the first upright/level attitude of the rocker blade, a 3 o'clock position associated with the left-tilting orientation of the rocker blade, a 12 o'clock position associated with the second upright/level attitude of the rocker blade, and a 9 o'clock position associated with the right-tilting orientation of the rocker blade, and wherein the rotatable cam shaft is located in a centered position about midway between the spaced-apart first and second vertical side walls bordering the cam receiver upon movement of the eccentric disk cam in the cam receiver to assume the 6 o'clock and 12 o'clock positions, the rotatable cam shaft is located in a first offset position to lie closer to the second vertical side wall than to the first vertical side wall upon movement of the eccentric disk cam in the cam receiver to assume the 3 o'clock position, and the rotatable cam shaft is located in a second offset position to lie closer to the first vertical side wall than to the second vertical side wall upon movement of the eccentric disk cam in the cam receiver to assume the 9 o'clock position.  
   
   
       22 . The apparatus of  claim 13 , wherein the rocker motion system further includes a motor housing coupled to the rocker blade to move therewith, a rotatable cam shaft mounted to rotate about an axis of rotation relative to the motor housing, an eccentric disk cam coupled to the rotatable cam shaft and arranged to extend into a cam receiver formed in the floor base, a motorized cam shaft rotation system located in the motor housing and coupled to the rotatable cam shaft, a power supply, first means coupled to the power supply for energizing the motorized cam shaft rotation system to move the eccentric disk cam in an eccentric pattern about the axis of rotation in the cam receiver to cause the motor housing and the rocker blade coupled to the motor housing to rock from side to side relative to the floor base so that the rocker blade is moved repeatedly relative to the floor base to assume, in sequence, a first upright/level attitude, a left-tilting orientation, a second upright/level attitude, and a right-tilting orientation to establish the side-to-side rocking motion of the rocker blade on the underlying floor surface, and second means coupled to the power supply for energizing the motorized cam shaft rotation system automatically whenever the first means is disabled to stop side-by-side rocking motion of the rocker blade on the underlying floor surface to cause the rotatable cam shaft to continue to rotate about the axis of rotation until the frame coupled to the rocker blade comes to rest on the underlying floor surface in one of the first and second upright/level attitudes.  
   
   
       23 . The apparatus of  claim 14 , wherein the seat includes a headrest and a footrest in spaced-apart relation to the headrest, the frame includes a right support member arranged to underlie a right-side portion of the seat and a left support member arranged to underlie a left-side portion of the seat, the rocker blade is arranged to lie under the footrest of the seat and interconnect the left and right support members of the frame, and the chamber formed in the rocker blade is located between the right and left support members.  
   
   
       24 . The apparatus of  claim 22 , wherein the second means includes a momentary contact switch coupled electrically to the power supply and a switch-actuation cam mounted on the rotatable cam shaft for rotation about the axis of rotation and wherein the switch-actuation cam is configured to provide means for actuating the momentary contact switch temporarily to energize the motorized cam shaft rotation system upon disablement of the first means until the frame moves relative to the floor base to assume said one of the first and second upright/level attitudes.  
   
   
       25 . A juvenile relaxation apparatus comprising 
 a first rocker blade formed to include a curved bottom surface adapted to contact an underlying floor surface,    a bouncer unit including a seat and a flexible seat-bouncer frame adapted to set on the underlying floor surface, the flexible seat-bouncer frame including a second rocker blade formed to include a second curved bottom surface adapted to contact the underlying floor surface, an elastic right support member coupled to right sides of the first and second rocker blades, an elastic left support member coupled to left sides of the first and second rocker blades, the seat being coupled to the left and right support members to lie in an elevated position above the underlying floor surface and to move up and down in a bouncing motion during flexure of the elastic left and right support members, and    a rocker motion system coupled to the first rocker blade, the rocker motion system being configured to include a stationary floor base adapted to contact the underlying floor surface and a rocker blade mover coupled to the stationary floor base and to the first rocker blade and configured to produce side-to-side rocking motion of the rocker blade relative to the stationary floor base to cause the elastic left and right support members and the second rocker blade and seat coupled to the left and right support members to rock from side to side relative to the stationary floor base with the first rocker blade.    
   
   
       26 . The apparatus of  claim 25 , wherein the floor base further includes a cam support fixture formed to include a cam receiver, the first rocker blade mover includes a motor housing coupled to the first rocker blade to move therewith, and the mover means includes a rotatable cam shaft extending into the motor housing, an eccentric disk cam coupled to the rotatable cam shaft and arranged to extend into the cam receiver formed in the cam support fixture of the floor base, and motorized rotary transmission means including a drive motor located in the motor housing for rotating the rotatable cam shaft about an axis of rotation to move the eccentric disk cam in an eccentric pattern about the axis of rotation in the cam receiver to cause the motor housing and the first rocker blade coupled to the motor housing to rock from side to side relative to the floor base.  
   
   
       27 . The apparatus of  claim 26 , wherein the floor base further includes left and right feet arranged to lie in laterally spaced-apart relation to one another to locate the cam receiver formed in the cam support fixture therebetween, each of the left and right feet is arranged to extend through and move in a companion aperture formed in the rocker blade to contact the underlying floor surface, wherein the floor base further includes axle means coupled to the rocker blade for supporting the rocker blade for pivotable movement about a pivot axis relative to the floor base in sequence between a first tilted position causing the left foot to be retracted substantially into a chamber formed in the rocker blade and a portion of the right foot to be extended out of the chamber to establish a left-tilting orientation of the rocker blade and the flexible seat-bouncer frame coupled to the rocker blade, a centered position causing each of the left and right feet to be extended through the companion apertures to establish an upright/level attitude of the rocker blade and the flexible seat-bounce frame coupled to the rocker blade, and a second tilted position causing the left foot to be extended out of the chamber and the right foot to be retracted substantially into the chamber to establish a right-tilting orientation of the rocker blade and the flexible seat-bouncer frame coupled to the rocker blade.  
   
   
       28 . The apparatus of  claim 25 , wherein the seat includes a headrest and a footrest in spaced-apart relation to the headrest, the first rocker blade is arranged to lie under the footrest, and the second rocker blade is arranged to lie under the headrest.  
   
   
       29 . The apparatus of  claim 28 , wherein the flexible right support frame includes a right knee coupled to the right side of the first rocker blade, a lower right leg extending from the right knee to the right side of the second rocker blade, an upper right leg extending from the right knee to a right side of the seat, and wherein the flexible left support frame includes a left knee coupled to the left side of the first rocker blade, a lower left leg extending from the left knee to the left side of the second rocker blade, and an upper left leg extending from the left knee to the seat.  
   
   
       30 . The apparatus of  claim 29 , further comprising first and second frame kickstands mounted on the first rocker blade and arranged to lie in spaced-apart relation to one another to locate the left and right knees therebetween and wherein each of the first and second frame kickstands is mounted for movement relative to the flexible seat-bouncer frame between an extended position extending below the curved bottom surface of the first rocker blade to inhibit side-to-side rocking motion of the first rocker blade on the underlying floor surface and a retracted position alongside the first rocker blade to allow side-to-side rocking motion of the first rocker blade on the underlying floor surface provided by the rocker motion system.  
   
   
       31 . A juvenile relaxation apparatus comprising 
 a juvenile holder including a seat and a frame adapted to set on an underlying floor surface, the seat being coupled to the frame to lie in an elevated position above the underlying floor surface,    a rocker blade coupled to the frame and formed to include a curved bottom surface adapted to contact the underlying floor surface, and    a rocker motion system coupled to the rocker blade, the rocker motion system including a stationary floor base adapted to contact the underlying floor surface to lie in a stationary position relative to the rocker blade, a motor housing coupled to the rocker blade to move therewith, a rotatable drive shaft rotated about an axis of rotation by a drive motor assembly located in the motor housing, and linkage means coupled to the rotatable drive shaft and to the floor base for using rotation of the rotatable drive shaft about the axis of rotation to cause the motor housing and the rocker blade coupled to the motor housing to rotate about the axis of rotation relative to the stationary floor base in sequence first in a counterclockwise direction to assume a left-tilting orientation, second in a clockwise direction to assume a first upright/level attitude and then a right-tilting orientation, and third in a counterclockwise direction to assume a second upright/level orientation so that side-to-side rocking motion of the rocker blade and a bouncer unit coupled to the rocker blade relative to the stationary floor base is produced.    
   
   
       32 . The apparatus of  claim 31 , wherein the stationary floor base includes a cam support fixture formed to include a cam receiver and the linkage means includes an eccentric disk cam coupled to the rotatable shaft and arranged to extend into the cam receiver and to move in an eccentric pattern about the axis of rotation in the cam receiver to cause the motor housing and the rocker blade coupled to the motor housing to rock from side to side relative to the stationary floor base.  
   
   
       33 . The apparatus of  claim 32 , wherein the rocker blade is formed to include a chamber containing the stationary floor base, the stationary floor base further includes left and right feet arranged to lie in laterally spaced-apart relation to one another to locate the cam receiver formed in the cam support fixture therebetween, each of the left and right feet is arranged to extend through and move in a companion aperture formed in the rocker blade to contact the underlying floor surface, and the stationary floor base further includes axle means coupled to the rocker blade for supporting the rocker blade for pivotable movement about a pivot axis relative to the stationary floor base in sequence between a first tilted position causing the left foot to be retracted substantially into the chamber formed in the rocker blade and a portion of the right foot to be extended out of the chamber to establish the left-tilting orientation of the rocker blade and the frame coupled to the rocker blade, a centered position causing each of the left and right feet to be extended through the companion apertures to establish the first and second upright/level attitudes of the rocker blade and the frame coupled to the rocker blade, and a second tilted position causing the left foot to be extended out of the chamber and the right foot to be retracted substantially into the chamber to establish the right-tilting orientation of the rocker blade and the frame coupled to the rocker blade.  
   
   
       34 . The apparatus of  claim 32 , wherein the cam support fixture includes first and second spaced-apart vertical side walls bordering the cam receiver and maintaining contact with the eccentric disk cam during rotation of the rotatable cam shaft about the axis of rotation, the eccentric disk cam includes a mount portion coupled to the rotatable cam shaft and arranged to extend a first radial distance away from the axis of rotation and an eccentric portion coupled to the mount portion and arranged to extend a greater second radial distance away from the axis of rotation, and the eccentric portion is arranged to move in sequence in the cam receiver, in response to rotation of the rotatable cam shaft about the axis of rotation, between a 6 o'clock position associated with the first upright/level attitude of the rocker blade, a 3 o'clock position associated with the left-tilting orientation of the rocker blade, a 12 o'clock position associated with the second upright/level attitude of the rocker blade, and a 9 o'clock position associated with the right-tilting orientation of the rocker blade, and wherein the rotatable cam shaft is located in a centered position about midway between the spaced-apart first and second vertical side walls bordering the cam receiver upon movement of the eccentric disk cam in the cam receiver to assume the 6 o'clock and 12 o'clock positions, the rotatable cam shaft is located in a first offset position to lie closer to the second vertical side wall than to the first vertical side wall upon movement of the eccentric disk cam in the cam receiver to assume the 3 o'clock position, and the rotatable cam shaft is located in a second offset position to lie closer to the first vertical side wall than to the second vertical side wall upon movement of the eccentric disk cam in the cam receiver to assume the 9 o'clock position.  
   
   
       35 . The apparatus of  claim 32 , wherein the linkage means further includes a power supply, first means coupled to the power supply for energizing the drive motor assembly to move the eccentric disk cam in the eccentric pattern about the axis of rotation in the cam receiver, and second means coupled to the power supply for energizing the drive motor assembly automatically whenever the first means is disabled to stop side-to-side rocking motion of the rocker blade and the bouncer unit coupled to the rocker blade relative to the stationary floor base until the rocker blade comes to rest on the underlying floor surface in one of the first and second upright/level attitudes.  
   
   
       36 . The apparatus of  claim 35 , wherein the rocker blade is formed to include a chamber containing the stationary floor base and the seat includes a headrest and a footrest in spaced-apart relation to the headrest, the frame includes a right support member arranged to underlie a right-side portion of the seat and a left support member arranged to underlie a left-side portion of the seat, the rocker blade is arranged to lie under the footrest of the seat and interconnect the left and right support members of the frame, and the chamber formed in the rocker blade is located between the right and left support members.  
   
   
       37 . The apparatus of  claim 35 , wherein the second means includes a momentary contact switch coupled electrically to the power supply and a switch-actuation cam mounted on the rotatable cam shaft for rotation about the axis of rotation and wherein the switch-actuation cam is configured to provide means for actuating the momentary contact switch temporarily to energize the motorized cam shaft rotation system upon disablement of the first means until the frame moves relative to the stationary floor base to assume said one of the first and second upright/level attitudes.  
   
   
       38 . A juvenile relaxation apparatus comprising 
 a juvenile holder including a seat and a frame adapted to set on an underlying floor surface, the seat being coupled to the frame to lie in an elevated position above the underlying floor surface,    a rocker blade coupled to the frame and formed to include a curved bottom surface adapted to contact the underlying floor surface, and    a rocker motion system coupled to the rocker blade and configured to provide means for producing side-to-side rocking motion of the rocker blade and the frame coupled to the rocker blade, wherein the rocker blade is formed to include a chamber, the rocker motion system includes a floor base located in the chamber and arranged to extend through at least one aperture formed in the rocker blade to contact the underlying floor surface during side-by-side rocking motion of the rocker blade relative to the underlying floor surface.    
   
   
       39 . A juvenile relaxation apparatus comprising 
 a first rocker blade formed to include a curved bottom surface adapted to contact an underlying floor surface,    a bouncer unit including a seat and a flexible seat-bouncer frame adapted to set on the underlying floor surface, the flexible seat-bouncer frame including a second rocker blade formed to include a curved bottom surface adapted to contact the underlying floor surface, an elastic right support member coupled to right sides of the first and second rocker blades, an elastic left support member coupled to left sides of the first and second rocker blades, the seat being coupled to the left and right support members to lie in an elevated position above the underlying floor surface and to move up and down in a bouncing motion during flexure of the elastic left and right support members, and    a rocker motion system coupled to the first rocker blade, the rocker motion system being configured to include a floor base adapted to contact the underlying floor surface and a rocker blade mover coupled to the floor base and to the first rocker blade and configured to produce side-to-side rocking motion of the rocker blade and to cause the elastic left and right support members and the second rocker blade and seat coupled to the left and right support members to rock from side-to-side relative with the first rocker blade.    
   
   
       40 . A juvenile relaxation apparatus comprising 
 a juvenile holder including a seat and a frame adapted to set on an underlying floor surface, the seat being coupled to the frame to lie in an elevated position above the underlying floor surface,    a rocker blade coupled to the frame and formed to include a curved bottom surface adapted to contact the underlying floor surface, and    a rocker motion system coupled to the rocker blade, the rocker motion system including a floor base adapted to contact the underlying floor surface, a motor housing coupled to the rocker blade to move therewith, a rotatable drive shaft rotated about an axis of rotation by a drive motor assembly located in the motor housing, and linkage means coupled to the rotatable drive shaft and to the floor base for using rotation of the rotatable drive shaft about the axis of rotation to cause the motor housing and the rocker blade coupled to the motor housing to rotate about the axis of rotation in sequence first in a counterclockwise direction to assume a left-tilting orientation, second in a clockwise direction to assume a first upright/level attitude and then a right-tilting orientation, and third in a counterclockwise direction to assume a second upright/level orientation so that side-to-side rocking motion of the rocker blade and the bouncer unit coupled to the rocker blade relative to the stationary floor base is produced.    
   
   
       41 . A juvenile relaxation apparatus comprising 
 a juvenile holder including a seat and a frame adapted to set on an underlying floor surface, the seat being coupled to the frame to lie in an elevated position above the underlying floor surface, and    a frame rocker including a rocker blade coupled to the frame and configured to include a curved bottom surface adapted to set on the underlying floor surface and a rocker blade mover coupled to the rocker blade and configured to act against the underlying floor surface to roll the curved bottom surface of the rocker blade back and forth along the underlying floor surface to impart a side-to-side rocking motion to the rocker blade and the frame coupled to the rocker blade.    
   
   
       42 . The apparatus of  claim 41 , wherein a left side of the curved bottom surface is formed to include a first tilter opening, a right side of the curved bottom surface is formed to include a second tilter opening, and the rocker blade mover includes a first tilter arranged to move up and down through the first opening to engage and disengage the underlying floor surface underlying the rocker blade, a second tilter arranged to move up and down through the second opening to engage and disengage the underlying floor surface underlying the rocker blade, and a drive system coupled to each of the first and second tilters and configured to extend one of the first and second tilters through a companion tilter opening and simultaneously retract another of the first and second tilters through another companion tilter opening to initiate and maintain back and forth rolling motion of the curved bottom surface of the front rocker blade on the underlying floor surface.