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. 07, 1985
Filed:
Jun. 21, 1982
James R Hunter, Chadds Ford, PA (US);
The Warner & Swasey Company, Cleveland, OH (US);
Abstract
A sheet metal holder (20) utilizing a linear wedge action for use on a sheet metal working machine (10). A pair of holders (20) are movable on machine (10) to provide for two axes positioning of a worksheet. Workholder (20) is formed from a box shaped member (32) having a pivot arm (31) movable about a pivot connection (42) within box member (32) and extending therefrom. A fixed jaw (34) extends from box member (32). A movable clamping jaw (30) is formed at the free end of pivot arm (31). A linear actuator bar (26) engages pivot arm (31) and forces jaws (31, 34) to close on a worksheet. Linear actuator bar (26) and pivot arm (31) are constructed to make the workholder (20) self locking. An appropriate actuator is provided for positioning bar (26).