The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 22, 1985
Filed:
Nov. 30, 1981
Applicant:
Inventors:
Morton J Perlin, Miami Beach, FL (US);
Richard P Garneau, Davie, FL (US);
Assignee:
Perlin Materials Handling Development Co., Miami, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60B / ;
U.S. Cl.
CPC ...
16 21 ; 16 30 ; 16DI / ; 16 1 / ; 384453 ;
Abstract
A caster which includes a neck at its top portion and a support 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.