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Class Information
Number: 16/33
Name: Miscellaneous hardware > Casters > Leg elevators > Sliding
Description: Devices slidably mounted for supporting the caster or leg in raised or lowered position above or upon the floor.










Patents under this class:

Patent Number Title Of Patent Date Issued
8230552 Novelty gliders for walkers Jul. 31, 2012
8201672 Enhanced structure for base with roller and belt of hardshell zipper case Jun. 19, 2012
8087126 Bed immobilization system integrated into chassis feet Jan. 3, 2012
7930900 Charm clasp for pearl necklaces and bracelets Apr. 26, 2011
7703174 Snap on wheels Apr. 27, 2010
7614114 Snap on wheels Nov. 10, 2009
7516512 Castor having efficiently locking function Apr. 14, 2009
7404566 Floor suspension system Jul. 29, 2008
6637071 Integrated caster and leveler Oct. 28, 2003
6594856 Pivotal roller mechanism Jul. 22, 2003
6473935 Retractable roller mechanism Nov. 5, 2002
6361252 Dock support and height adjustment apparatus Mar. 26, 2002
5956805 Retractable wheel assembly for luggage cases Sep. 28, 1999
5903956 Three-wheel pivot-caster assembly May. 18, 1999
5718483 Adjustable hinge mount for seats Feb. 17, 1998
5457849 Compact detachable dolly for heavy computer systems Oct. 17, 1995
5259088 Twin caster with a biased sustaining element Nov. 9, 1993
5001808 Shielded castor with spring Mar. 26, 1991
4998940 Rotatable roller and method of use Mar. 12, 1991
4845804 Retractable caster Jul. 11, 1989
4763868 Levelling combination wheel and leg assembly for a refuse compactor Aug. 16, 1988
4747180 Castor incorporating a braking mechanism May. 31, 1988
4621804 Therapeutic roller/walker Nov. 11, 1986
4555827 Convertible cabinet support Dec. 3, 1985
4397062 Retractable roller assembly Aug. 9, 1983
4108455 Cargo pallet incorporating retractable ball units Aug. 22, 1978
4103391 Wheel unit for mounting in a suitcase Aug. 1, 1978
4077086 Retractable castor mechanism Mar. 7, 1978











 
 
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