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:
Aug. 13, 2002
Filed:
Feb. 08, 2002
Applicant:
Inventor:
Gerhard Ehmig, Rankweil, AT;
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25C 1/04 ;
U.S. Cl.
CPC ...
B25C 1/04 ;
Abstract
A piston holder for a drive piston ( ) of a setting tool and including a braking element self-lockingly supportable on a drive piston body ( ), and spring elements ( ) for applying different biasing forces to the braking element ( ) in respective opposite directions corresponding to a direction of displacement of the drive piston ( ) for reducing self-locking forces with which the braking element ( ) is supported on the drive piston body ( ).