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:
May. 21, 1991
Filed:
Jan. 26, 1990
Applicant:
Inventor:
Helmut Bentz, Dortmund, DE;
Assignee:
O & K Orenstein & Koppel Aktiengesellschaft, Dortmund, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
305 / ; 305 57 ;
Abstract
An arrangement for connecting and moving the plates of a caterpillar track of earth-moving machines in which adjacent chain plates bridge over on a common axis by, in each case, two inner or outer straps having bore holes. A solid chain pin which is moveable in circumferential direction and having a free central region for the action of sprocket-wheel teeth is mounted in the holes.