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:
Jul. 10, 1979
Filed:
Jan. 30, 1978
Applicant:
Inventor:
August T Portmann, Arbon, CH;
Assignee:
Bruderer AG, Arbon, CH;
Primary Examiner:
Int. Cl.
CPC ...
B30B / ;
U.S. Cl.
CPC ...
100257 ; 74603 ; 83530 ; 83615 ; 83632 ; 100282 ;
Abstract
A drive or drive arrangement for a movable work component, such as the ram of a punch press, stamping machine or the like, comprising a crosshead driven by a crank drive. At both sides of the crosshead there are hingedly connected one respective end of single-arm levers, the other ends of which are hingedly connected with threaded spindles supported in the machine housing for adjusting the stroke of the drive, and the intermediate bearing or support locations of the levers are hingedly connected via connecting or pressing rods with the ram.