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:
Apr. 09, 2002
Filed:
Mar. 02, 2001
Applicant:
Inventor:
Lothar Wille, Mörfelden-Walldorf, DE;
Assignee:
GESIPA Blindniettechnik GmbH, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21J 1/520 ;
U.S. Cl.
CPC ...
B21J 1/520 ;
Abstract
A pneumatic-hydraulic blind riveting device has a device housing and a pulling device arranged in the device housing. The pulling device has a chuck housing and chuck jaws arranged in the chuck housing. The pulling device has a pulling piston connected to the chuck housing and also has a return piston. The pulling device has a pressure bushing arrangement resting against the chuck jaws and interacting with the return piston. A pressure chamber is defined between the return piston and the pulling piston. A control device is designed to load the pressure chamber with a controlled pressure.