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:
Dec. 12, 1978
Filed:
Sep. 15, 1977
Applicant:
Inventor:
Keisuke Kishitani, Tokyo, JP;
Assignee:
Caterpillar Mitsubishi Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16G / ; F16G / ; F16G / ;
U.S. Cl.
CPC ...
7425 / ; 74256 ; 305 / ; 3082 / ; 403158 ;
Abstract
A chain includes a plurality of links, a plurality of pins and bushings for pivotally coupling the links together in cooperating pairs, a replaceable cover embracingly connected to each bushing for protecting the bushings external surface from wear, and a plurality of retaining elements individually on the links or on the bushings for anchoring each of the covers on the respective bushing.