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. 20, 1993
Filed:
Oct. 29, 1991
Applicant:
Inventor:
Charles E Bowers, Cleveland, OH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21L / ;
U.S. Cl.
CPC ...
59-7 ;
Abstract
A device for inserting and/or removing pins from a roller chain includes a block having a cradle for immobilizing and temporarily holding a roller chain together while pins are being inserted or removed. The device has a pair of threaded bores aligned with a pin or pin opening of a roller chain received in the cradle, one threaded bore carries a screw having a ram portion operable to positively force a pin from the roller chain, the other threaded bore carries a screw operable to positively force a pin into the roller chain.