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Class Information
Number: 16/20
Name: Miscellaneous hardware > Casters > Antifrictionally swivelled
Description: Casters which are antifrictionally swiveled.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7578028 |
Device for providing multi-directional movement |
Aug. 25, 2009 |
| 7383611 |
Castors |
Jun. 10, 2008 |
| 7308730 |
Base member for swivel caster |
Dec. 18, 2007 |
| 6810560 |
Castor |
Nov. 2, 2004 |
| 6705622 |
Mechanic's creeper |
Mar. 16, 2004 |
| 6698060 |
Caster structure |
Mar. 2, 2004 |
| 6625846 |
Caster for robot |
Sep. 30, 2003 |
| 6463624 |
Joint structure of a wheel bearing |
Oct. 15, 2002 |
| 6357793 |
Anti-tip wheel |
Mar. 19, 2002 |
| 6223388 |
Castor assembly |
May. 1, 2001 |
| 6047439 |
Caster wheel with releasable bearing assembly |
Apr. 11, 2000 |
| 5813090 |
Caster with D-shaped stem |
Sep. 29, 1998 |
| 5655259 |
Caster assembly |
Aug. 12, 1997 |
| 5568671 |
Caster assembly with integral plastic stem and horn and with removable axle lock cap |
Oct. 29, 1996 |
| 5400469 |
Lever action caster with shock absorbing spring |
Mar. 28, 1995 |
| 5390394 |
Detachable front wheel assembly for a stroller |
Feb. 21, 1995 |
| 5361454 |
Snap-on swivel wheel assembly |
Nov. 8, 1994 |
| 5287594 |
Shopping cart swivel yoke assembly with plastic bearing races |
Feb. 22, 1994 |
| 5263226 |
Swiveling wheel assembly for a cart |
Nov. 23, 1993 |
| 5237721 |
Swivel caster assembly |
Aug. 24, 1993 |
| 5199131 |
Thermoplastic caster assembly |
Apr. 6, 1993 |
| 5103530 |
Hub and wheel assembly with shock absorber |
Apr. 14, 1992 |
| 5097565 |
Cargo caster bearing assembly |
Mar. 24, 1992 |
| 4897895 |
Front caster device for infant stroller |
Feb. 6, 1990 |
| 4765021 |
Heavy duty caster |
Aug. 23, 1988 |
| 4653139 |
Caster with a plain thrust bearing between the wheel frame and the frame carrier |
Mar. 31, 1987 |
| 4645230 |
Collapsible trailer |
Feb. 24, 1987 |
| 4254532 |
Caster apparatus |
Mar. 10, 1981 |
| 4107817 |
Swivel assembly |
Aug. 22, 1978 |
| 4085983 |
Swivel thrust bearing |
Apr. 25, 1978 |
| 4076346 |
Face-to-face plate-type swivel |
Feb. 28, 1978 |
| 4054964 |
Detachable luggage caster roller |
Oct. 25, 1977 |
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