B - Operations – Transporting – 60 – B
Patent
B - Operations, Transporting
60
B
16/7
B60B 33/00 (2006.01)
Patent
CA 1185410
CASTERS ABSTRACT OF THE INVENTION A caster which includes a neck at its top portion and support means at its lower portion to which a wheel is rotatably connected. About the neck are a ball bearing retaining plate and a top plate above and releasably secured to the ball bearing retaining plate. Within the plates and about the neck is a completely enclosed raceway which encapsulates thrust ball bearings. The top plate can readily be removed from the ball bearing plate to permit inspection, cleaning, modification, repair and replacement of components of the casters.
416566
Garneau Richard P.
Perlin Morton J.
Bereskin & Parr
Perlin Materials Handling Development Co.
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