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:
Jan. 09, 1979
Filed:
Oct. 25, 1977
Applicant:
Inventor:
James V Halvorsen, Springfield, VT (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23B / ; B23B / ; B23B / ;
U.S. Cl.
CPC ...
279 / ; 279 / ; 279110 ;
Abstract
A work holder adapted to minimize clamp distortion of a workpiece by providing a movable metallic collet encompassing the workpiece, and a plurality of front and rear jaws to grip the metallic collet with different pressure forces at the front and rear sections of the collet.