US2026047686A1PendingUtilityA1

Reclining chair with counterbalance adjustment system

72
Assignee: CURRENT PRODUCTS COMPANY LLCPriority: Sep 9, 2021Filed: Aug 15, 2025Published: Feb 19, 2026
Est. expirySep 9, 2041(~15.1 yrs left)· nominal 20-yr term from priority
Inventors:MULLET WILLIS JAYHAND RICHARD SCOTTKUBIK JACOB
A47C 1/03255A47C 7/4454A47C 7/444
72
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Claims

Abstract

In one or more arrangements, as examples, a reclining chair is presented having a frame, a seat operably connected to the frame, a backrest operably connected to the frame and moveable between an upright position and a reclined position. In one or more arrangements, the chair includes a counterbalance assembly positioned within a hollow interior of the backrest and configured to provide a counterbalance force to move backrest to the upright position in absence of an opposing force. In one or more arrangements, the chair includes an externally accessible adjustment system to facilitate adjustment of the counterbalance force provided by the counterbalance assembly.

Claims

exact text as granted — not AI-modified
What is claimed: 
     
         1 . A seating system, comprising:
 a frame;   a seat;   the seat operably connected to the frame;   a backrest;   the backrest operably connected to the frame;   the backrest having a hollow interior;   a counterbalance assembly;   the counterbalance assembly positioned within the hollow interior of the backrest;   wherein the backrest is configured to move between an upright position and a reclined position relative to the frame;   wherein the counterbalance assembly is configured to provide a counterbalance force to the backrest to move the backrest to the upright position in absence of an opposing force;   an adjustment system;   the adjustment system having an actuator accessible from an exterior of the backrest;   the adjustment system configured to adjust the amount of the counterbalance force provided by the counterbalance assembly by movement of the actuator.   
     
     
         2 . The system of  claim 1 , wherein the actuator is a wheel positioned within the hollow interior and extending outward through an opening in the backrest. 
     
     
         3 . The system of  claim 1 , wherein the actuator is a wheel positioned within the hollow interior and extending outward through an opening in a bottom edge of the backrest. 
     
     
         4 . The system of  claim 1 , wherein the actuator is a wheel positioned within the hollow interior and extending outward through an opening in the backrest;
 wherein the wheel has finger indentations extending around an outer circumference of the wheel.   
     
     
         5 . The system of  claim 1 , wherein the actuator is a wheel positioned within the hollow interior and extending outward through an opening in the backrest;
 wherein the wheel has teeth extending around an outer circumference of the wheel.   
     
     
         6 . The system of  claim 1 , wherein the actuator is a lever. 
     
     
         7 . The system of  claim 1 , wherein the actuator is a slider. 
     
     
         8 . The system of  claim 1 , wherein the actuator is a knob. 
     
     
         9 . The system of  claim 1 , wherein the counterbalance assembly includes at least one spring;
 wherein the adjustment system is configured to adjust the amount of force provided by the counterbalance assembly by adjusting tension of the at least one spring.   
     
     
         10 . The system of  claim 1 , wherein the counterbalance assembly includes at least one spring;
 wherein the actuator is mechanically connected to the at least one spring by a mechanical assembly including a belt positioned on and extending between a first pully mechanically connected to the actuator and a second pully mechanically connected to the at least one spring.   
     
     
         11 . The system of  claim 1 , wherein the counterbalance assembly includes at least one spring;
 wherein the actuator is mechanically connected to the at least one spring by a mechanical assembly including a cogged belt positioned on and extending between a first pully mechanically connected to the actuator and a second pully mechanically connected to the at least one spring.   
     
     
         12 . The system of  claim 1 , wherein the counterbalance assembly includes at least one spring;
 wherein the actuator is mechanically connected to the at least one spring by a mechanical assembly including a chain positioned on and extending between a first sprocket mechanically connected to the actuator and a second sprocket mechanically connected to the at least one spring.   
     
     
         13 . The system of  claim 1 , wherein the counterbalance assembly includes at least one torsion spring;
 wherein the adjustment system is configured to adjust the amount of force provided by the counterbalance assembly by adjusting tension of the at least one torsion spring.   
     
     
         14 . The system of  claim 1 , wherein the backrest is operably connected to the frame by a reclining mechanism;
 wherein the reclining mechanism includes an upper axle that extends through the backrest from side to side.   
     
     
         15 . The system of  claim 1 , wherein the backrest is operably connected to the frame by a reclining mechanism;
 wherein the reclining mechanism includes an upper axle that extends across the backrest from side to side;   wherein the counterbalance assembly includes at least one torsion spring and is positioned around the upper axle of the reclining mechanism.   
     
     
         16 . The system of  claim 1 , wherein the backrest is operably connected to the frame by a reclining mechanism;
 wherein the reclining mechanism includes an upper axle that extends across the backrest from side to side;   wherein the reclining mechanism includes a pair of links connected to opposite sides of the upper axle;   wherein the pair of links are operably connected to the frame.   
     
     
         17 . The system of  claim 1 , wherein the backrest is operably connected to the frame by a reclining mechanism;
 wherein the reclining mechanism includes an upper axle that extends across the backrest from side to side;   wherein the reclining mechanism includes a pair of links connected to opposite sides of the upper axle;   wherein the pair of links are operably connected to the frame;   wherein the counterbalance assembly is configured to rotate the pair of links.   
     
     
         18 . The system of  claim 1 , wherein the backrest is operably connected to the frame by a reclining mechanism;
 wherein the reclining mechanism includes a lower axle that extends through the backrest from side to side.   
     
     
         19 . The system of  claim 1 , wherein the backrest is operably connected to the frame by a reclining mechanism;
 wherein the reclining mechanism includes a lower axle that extends through the backrest from side to side;   wherein the reclining mechanism includes a pair of rollers connected to opposite ends of the lower axle; wherein the pair of rollers are configured to roll within the frame.   
     
     
         20 . The system of  claim 1 , wherein the backrest is operably connected to the frame by a reclining mechanism;
 wherein the reclining mechanism includes a lower axle that extends through the backrest from side to side;   wherein the reclining mechanism includes a pair of sliders connected to opposite ends of the lower axle;   wherein the pair of sliders are configured to move along a slotted track within the frame.   
     
     
         21 . A seating system, comprising:
 a frame;   a seat;   the seat operably connected to the frame;   a backrest;   the backrest operably connected to the frame;   the backrest having a hollow interior;   a reclining mechanism;   wherein the reclining mechanism operably connects the backrest to the frame;   wherein the reclining mechanism is configured to move the backrest between an upright position and a reclined position relative to the frame;   a counterbalance assembly;   the counterbalance assembly positioned within the hollow interior of the backrest;   wherein the counterbalance assembly is configured to provide a counterbalance force to the backrest to move the backrest to the upright position in absence of an opposing force;   an adjustment system;   the adjustment system having an actuator accessible from an exterior of the backrest;   the adjustment system configured to adjust the amount of the counterbalance force provided by the counterbalance assembly by movement of the actuator.   
     
     
         22 . The system of  claim 21 , wherein the actuator is a wheel positioned within the hollow interior and extending outward through an opening in the backrest. 
     
     
         23 . The system of  claim 21 , wherein the actuator is a wheel positioned within the hollow interior and extending outward through an opening in a bottom edge of the backrest. 
     
     
         24 . The system of  claim 21 , wherein the actuator is a wheel positioned within the hollow interior and extending outward through an opening in the backrest;
 wherein the wheel has finger indentations extending around an outer circumference of the wheel.   
     
     
         25 . The system of  claim 21 , wherein the actuator is a wheel positioned within the hollow interior and extending outward through an opening in the backrest;
 wherein the wheel has teeth extending around an outer circumference of the wheel.   
     
     
         26 . The system of  claim 21 , wherein the actuator is a lever. 
     
     
         27 . The system of  claim 21 , wherein the actuator is a slider. 
     
     
         28 . The system of  claim 21 , wherein the actuator is a knob. 
     
     
         29 . The system of  claim 21 , wherein the counterbalance assembly includes at least one spring;
 wherein the adjustment system is configured to adjust the amount of force provided by the counterbalance assembly by adjusting tension of the at least one spring.   
     
     
         30 . The system of  claim 21 , wherein the counterbalance assembly includes at least one spring;
 wherein the actuator is mechanically connected to the at least one spring by a mechanical assembly including a belt positioned on and extending between a first pully mechanically connected to the actuator and a second pully mechanically connected to the at least one spring.   
     
     
         31 . The system of  claim 21 , wherein the counterbalance assembly includes at least one spring;
 wherein the actuator is mechanically connected to the at least one spring by a mechanical assembly including a cogged belt positioned on and extending between a first pully mechanically connected to the actuator and a second pully mechanically connected to the at least one spring.   
     
     
         32 . The system of  claim 21 , wherein the counterbalance assembly includes at least one spring;
 wherein the actuator is mechanically connected to the at least one spring by a mechanical assembly including a chain positioned on and extending between a first sprocket mechanically connected to the actuator and a second sprocket mechanically connected to the at least one spring.   
     
     
         33 . The system of  claim 21 , wherein the counterbalance assembly includes at least one torsion spring;
 wherein the adjustment system is configured to adjust the amount of force provided by the counterbalance assembly by adjusting tension of the at least one torsion spring.   
     
     
         34 . The system of  claim 21 , wherein the reclining mechanism includes an upper axle that extends through the backrest from side to side. 
     
     
         35 . The system of  claim 21 , wherein the reclining mechanism includes an upper axle that extends across the backrest from side to side;
 wherein the counterbalance assembly includes at least one torsion spring and is positioned around the upper axle of the reclining mechanism.   
     
     
         36 . The system of  claim 21 , wherein the reclining mechanism includes an upper axle that extends across the backrest from side to side;
 wherein the reclining mechanism includes a pair of links connected to opposite sides of the upper axle;   wherein the pair of links are operably connected to the frame.   
     
     
         37 . The system of  claim 21 , wherein the reclining mechanism includes an upper axle that extends across the backrest from side to side;
 wherein the reclining mechanism includes a pair of links connected to opposite sides of the upper axle;   wherein the pair of links are operably connected to the frame;   wherein the counterbalance assembly is configured to rotate the pair of links.   
     
     
         38 . The system of  claim 21 , wherein the reclining mechanism includes a lower axle that extends through the backrest from side to side. 
     
     
         39 . The system of  claim 21 , wherein the reclining mechanism includes a lower axle that extends through the backrest from side to side;
 wherein the reclining mechanism includes a pair of rollers connected to opposite ends of the lower axle; wherein the pair of rollers are configured to roll within the frame.   
     
     
         40 . The system of  claim 21 , wherein the reclining mechanism includes a lower axle that extends through the backrest from side to side;
 wherein the reclining mechanism includes a pair of sliders connected to opposite ends of the lower axle;   wherein the pair of sliders are configured to move along a slotted track within the frame.   
     
     
         41 . A seating system, comprising:
 a frame;   a seat;   the seat operably connected to the frame;   a backrest;   the backrest having a rear support member and a front support member;   wherein the rear support member and the front support member operably connect to form a hollow interior;   a counterbalance assembly;   the counterbalance assembly positioned within the hollow interior of the backrest;   wherein the backrest is configured to move between an upright position and a reclined position relative to the frame;   an adjustment system;   the adjustment system having an actuator;   wherein the counterbalance assembly and the adjustment system are not visible from a front of the backrest, a back of the backrest, a top of the backrest, or sides of the backrest;   wherein the actuator of the adjustment system is accessible from the bottom of the backrest; and   wherein the actuator of the adjustment system is positioned above the bottom of the backrest.   
     
     
         42 . The system of  claim 41 , wherein the rear support member and the front support member are removably connected. 
     
     
         43 . The system of  claim 41 , wherein the rear support member and the front support member are operably connected via a bracket. 
     
     
         44 . The system of  claim 41 , wherein the rear support member and the front support member are operably connected via connectors. 
     
     
         45 . A seating system, comprising:
 a frame;   a seat;   the seat operably connected to the frame;   a backrest;   the backrest having a rear support member and a front support member;   wherein the rear support member and the front support member operably connect to form a hollow interior;   a counterbalance assembly;   the counterbalance assembly positioned within the hollow interior of the backrest;   wherein the backrest is configured to move between an upright position and a reclined position relative to the frame;   an adjustment system;   the adjustment system having an actuator;   wherein the counterbalance assembly and the adjustment system are not visible from a front of the backrest, a back of the backrest, a top of the backrest, or sides of the backrest;   wherein the actuator of the adjustment system is positioned in the recess between the rear support member and the front support member; and   wherein the actuator is accessible from a bottom of the backrest through a recess between the rear support member and the front support member.   
     
     
         46 . The system of  claim 45 , wherein the rear support member and the front support member are removably connected. 
     
     
         47 . The system of  claim 45 , wherein the rear support member and the front support member are operably connected via a bracket. 
     
     
         48 . The system of  claim 45 , wherein the rear support member and the front support member are operably connected via connectors.

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