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Class Information
Number: 248/578
Name: Supports > Resilient support > Adjustable preloading of resilient means > Adjusting means coaxial of coil spring
Description: Structure wherein the spring is a coil spring and the adjusting means is coaxial therewith.


Patents under this class:

Patent Number Title Of Patent Date Issued
7055791 Counter-balancing mechanism Jun. 6, 2006
6663076 Seat post cushioning mechanism Dec. 16, 2003
6079690 Screw spindle assembly of swivel chair Jun. 27, 2000
5395089 Seat with suspension unit for automotive vehicle Mar. 7, 1995
5236169 Adjustable height shock absorbing bicycle seat mounting post assembly Aug. 17, 1993
5236170 Shock absorbing bicycle seat mounting post assembly Aug. 17, 1993
5116016 Suspension device for automotive seat May. 26, 1992
5011109 Suspension device for seat Apr. 30, 1991
4909472 Pivoting support for chairs, seats and the like Mar. 20, 1990
4844547 Ski lift foot rest Jul. 4, 1989
4771979 Equilibrator for universal head Sep. 20, 1988
4753409 Chair support incorporating a height adjustment mechanism Jun. 28, 1988
4752101 Tilt control arrangement for office furniture chair Jun. 21, 1988
4681294 Resilient suspension for conduits Jul. 21, 1987
4356992 Earthquake protected vibration isolator Nov. 2, 1982
4328943 Control mechanism for a chair or the like May. 11, 1982
4232900 Chair control Nov. 11, 1980
4206898 Spring supports Jun. 10, 1980
4018415 Mechanism for tilting chairs Apr. 19, 1977
4014086 Safety feature for chair controls Mar. 29, 1977
4013258 Chair control for tiltable chairs Mar. 22, 1977



 
 
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