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:
Apr. 08, 1980
Filed:
Sep. 18, 1978
Applicant:
Inventors:
Robert L Propst, Ann Arbor, MI (US);
Paul L Propst, Ann Arbor, MI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60B / ;
U.S. Cl.
CPC ...
16 1 / ; 16 47 ; 305 / ;
Abstract
A caster consisting of a caster body having lateral body portions on which flexible roller belts of closed loop shape are slidably supported. The lateral body portions are configured so that the portions of the belts in engagement with the under sides of the lateral body portions are in close proximity to each other while the portions of the tracks in engagement with the upper sides of the lateral body portions are spaced apart to accommodate an upright pintle for attaching the caster to an article.