B - Operations – Transporting – 60 – B
Patent
B - Operations, Transporting
60
B
16/11
B60B 33/00 (2006.01) B60B 33/04 (2006.01)
Patent
CA 1075417
SHOCK ABSORBER FOR SWIVEL CASTER ABSTRACT OF THE DISCLOSURE A device for use with a bearing construction for a swivel caster mountable on a caster mounting plate and including a yoke having a swivel plate pivotal about a pivot axis. A securing device is provided for securing the yoke to the caster mounting plate. The bearing con- struction is composed of a ball bearing retaining struc- ture which normally abuts against the underside of the caster mounting plate. An elastomeric member is mounted between the bearing construction and the caster mount- ing plate. The elastomeric member has a compressible characteristic sufficient to maintain the caster firmly connected to the mounting plate while simultaneously being capable of yielding to a sufficiently large force applied to the yoke to permit a relative movement be- tween the mounting plate and the yoke to thereby prevent permanent deformation to the yoke when an abnormally high force is applied thereto. The securing device includes structure for limiting the initial compres- sion of the elastomeric member between the bearing con- struction and the mounting plate. CROSS REFERENCE TO RELATED SUBJECTS This application is related to Canadian Patent No. 744 090.
294774
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