Abdominal exercising device

Abstract

An abdominal exercising device is disclosed that includes a base. At least one pivotable member is pivotably coupled to the base to provide at least a first position substantially parallel to the base and a second position substantially perpendicular to the base. At least one resistive member is coupled to a portion of the at least one pivotable member to provide a restorative force to urge the pivotable member from the first position to the second position.

1 . An abdominal exercising device comprising:
 a base;   at least one pivotable member pivotably coupled to the base to provide at least a first position substantially parallel to the base and a second position substantially perpendicular to the base; and   at least one resistive member coupled to a portion of the at least one pivotable member to provide a restorative force to urge the pivotable member from the first position to the second position.   
     
     
         2 . The abdominal exercising device of  claim 1 , wherein the at least one pivotable member comprises:
 a first member, and   a second member,   wherein the first member is situated substantially parallel to the rear portion of the base,   wherein the second member is coupled to an end portion of the first member, and wherein the second member is substantially perpendicular to the first member.   
     
     
         3 . The abdominal exercising device of  claim 2 , wherein the first member is rotatable around the second member. 
     
     
         4 . The abdominal exercising device of  claim 2 , wherein the first member is rotatable about the second member. 
     
     
         5 . The abdominal exercising device of  claim 2 , wherein
 a length of at least one of the first member and the second member is adjustable.   
     
     
         6 . The abdominal exercising device of  claim 2 , further comprising:
 a vertical member coupled to the base and that extends from the base in a substantially vertical direction, wherein the vertical member comprises an adjustable member that moves in a vertical direction about the vertical member, the adjustable member comprising a cam member situated thereon, the cam member accepting the at least one resistive member there around.   
     
     
         7 . The abdominal exercising device of  claim 6 , further comprising:
 a fourth member that extends through a lower portion of the second member and is coupled to one of the cam member and the adjustable member, the fourth member being substantially perpendicular to the vertical member, the second member being configured to rotate about the fourth member.   
     
     
         8 . The abdominal exercising device of  claim 6 , wherein the adjustable member comprises a first coupling member situated on an outer portion of the adjustable member, wherein the second member comprises a second coupling member situated on an inner portion of the second member that faces the outer portion of the adjustable member, wherein a first end of the resistive member is removably coupled to the first coupling member and a second end of the resistive member is removably coupled to the second coupling member, the resistive member wrapping around the cam member when the pivotable member transitions from the first position to the second position. 
     
     
         9 . An abdominal exercising device comprising:
 a base comprising at least a front portion and a rear portion;   at least one pivotable member pivotably coupled to the base,   wherein the at least one pivotable member transitions from a starting position to an operating position and any position there between, wherein the operating position is closer to the rear portion of the base than the starting position, and wherein the at least one pivotable member comprises:
 a first member, and 
 a second member, 
   wherein the first member is situated substantially parallel to the rear portion of the base, and   wherein the second member is coupled to an end portion of the first member, and wherein the second member is substantially perpendicular to the first member, and   at least one resistive member coupled to a portion of the at least one pivotable member to provide a restorative force to urge the pivotable member from the first position to the second position.   
     
     
         10 . The abdominal exercising device of  claim 9 , wherein
 a length of at least one of the first member and the second member is adjustable.   
     
     
         11 . The abdominal exercising device of  claim 10 , wherein an angle of at least one of:
 the first member with respect to the second member, and   the second member with respect to at least one of the first member and the second member is adjustable.   
     
     
         12 . The abdominal exercising device of  claim 9 , further comprising:
 a vertical member coupled to the base and that extends from the base in a substantially vertical direction,   wherein the vertical member comprises an adjustable member that moves in a vertical direction about the vertical member, the adjustable member comprising a cam member situated thereon, wherein the adjustable member comprises a first coupling member situated on an outer portion of the adjustable member, wherein the second member comprises a second coupling member situated on an inner portion of the second member that faces the outer portion of the adjustable member, wherein a first end of the resistive member is removably coupled to the first coupling member and a second end of the resistive member is removably coupled to the second coupling member, the resistive member extending around the cam member when the pivotable member transitions from the starting position to the operating position.   
     
     
         13 . The abdominal exercising device of  claim 12 , further comprising:
 a fourth member that extends through a lower power portion of the second member and is coupled to one of the cam member and the adjustable member, the fourth member being substantially perpendicular to the vertical member, the second member being configured to rotate about the fourth member.   
     
     
         14 . The abdominal exercising device of  claim 12 , wherein the resistive member is a spring. 
     
     
         15 . The abdominal exercising device of  claim 9 , wherein the at least one pivotable member comprises two pivotable members, wherein a first of the two pivotable members is coupled to the first portion of the base and a second of the two pivotable members is coupled to the second portion of the base. 
     
     
         16 . The abdominal exercising device of  claim 15 , wherein the two pivotable members move independent of each other. 
     
     
         17 . An abdominal exercising device comprising:
 a base comprising at least a front portion and a rear portion;   a first pivotable member pivotably coupled to the base;   a second pivotable member pivotably coupled to the base;   a first vertical member coupled to the base and that extends from the base in a substantially vertical direction, wherein the first vertical member is coupled to the first pivotable member; and   a second vertical member coupled to the base and that extends from the base in a substantially vertical direction, wherein the second vertical member is coupled to the second pivotable member,   wherein the first and second pivotable members transition independent of each other from a starting position to an operating position and any position there between, wherein the operating position is closer to the rear portion of the base than the starting position, the starting position being closer to the front portion of the base than the operating position, and wherein each of the first and second pivotable members comprise:
 a first member, and 
 a second member, and 
   wherein each first member and each second member are coupled to each other in a perpendicular configuration,   wherein the first and second vertical members comprise an adjustable member that moves in a vertical direction about each of the first and second vertical members, respectively, the adjustable member adjusting at least the second member in a vertical direction,   wherein each adjusting member comprises a cam member situated thereon, the adjustable member further comprising a first coupling member situated on an outer portion of the adjustable member,   wherein each second member comprises a second coupling member situated on an inner portion of the second member that faces the outer portion of the adjustable member, the second coupling member being situated below the first coupling member,   wherein a first end of a resistive member is removably coupled to the first coupling member and a second end of the resistive member is removably coupled to the second coupling member, a portion of the resistive member extending around the cam member when the pivotable member transitions from the starting position to the operating position, the resistive member exerting a rotational restorative force opposite a rotational force applied by a user on the first and second pivoting members, respectively.   
     
     
         18 . The abdominal exercising device of  claim 17 , further comprising:
 a first horizontal member corresponding to the first pivotable member and a second horizontal member corresponding to the second pivotable member that extend through a lower power portion of each second member and is coupled to one of the cam member and the adjustable member, the first and second horizontal members being substantially perpendicular to the first and second vertical members, respectively, each second member being configured to rotate about the first and second horizontal members, respectively.