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:
Jul. 27, 1976
Filed:
Dec. 02, 1974
Applicant:
Inventor:
Frederick R Sytsma, Grand Rapids, MI (US);
Assignee:
C. L. Frost & Son, Inc., Grand Rapids, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ; F16C / ; F16C / ; F16C / ;
U.S. Cl.
CPC ...
308 16 ; 16 98 ; 16107 ; 104 95 ; 105154 ; 1981 / ; 308191 ;
Abstract
A trolley wheel is formed of plastic-like material and includes a bearing assembly, inner and outer metallic races and bearing means positioned therebetween. The entire assembly is formed of non-corrosive material. The bearing means and races therefore are accessible from the sides of the wheel for ease of cleaning during operation.