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:
Nov. 07, 1978
Filed:
Jun. 09, 1977
Applicant:
Inventor:
Yoshimasa Kohriyama, Tsukui, JP;
Assignee:
Caterpillar Mitsubishi Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
305 41 ; 305 47 ;
Abstract
A track chain has a plurality of links pivotally connected together in an endless train and a plurality of shoes connected to the links. A noise reduction device for the track chain has a spring connected to the back sides of adjacent shoes and is of a construction sufficient for applying an elastic resistance to pivotal movement of respective pairs of adjoining links.