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:
Sep. 05, 1978
Filed:
Jun. 29, 1977
Applicant:
Inventors:
Eugene J Bistrick, Warren, MI (US);
Stewart F Miller, Mt. Clemens, MI (US);
Axel B Abrahamsson, Warren, MI (US);
Richard A Schlaf, Sterling Heights, MI (US);
Assignee:
Lear Siegler, Inc., Santa Monica, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B26D / ;
U.S. Cl.
CPC ...
407 16 ;
Abstract
A tension broach comprising a drawbar, a roughing shell on said bar, a finishing shell on said drawbar, said drawbar supporting said roughing shell against axial movement and limiting rotational movement thereon, said drawbar supporting said finishing shell against axial movement, and means for locating said finishing shell in angular alignment with said roughing shell with provision for slight angular movement.