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:
Mar. 31, 1992
Filed:
Oct. 30, 1990
Applicant:
Inventors:
Ulrich Steinhauser, Allschwil, CH;
Ernst Ballmer, Basel, CH;
Assignee:
Hatebur Umformmaschinen AG, Reinach, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21K / ;
U.S. Cl.
CPC ...
72345 ; 72427 ;
Abstract
In the proposed forming press, a reversal device (17 to 20) is provided on a retention pin (1) inside the male die part (4) of the press, which reversal device retains the retention pin in its two end positions (X.sub.1, X.sub.2) until said retention pin is moved by a transmission member (10) on the male die part side or by the pressed article (2) inserted in the die (3).