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.

Date of Patent:
Jul. 28, 2009

Filed:

Oct. 18, 2007
Applicant:

Rolf Erhardt, Buchs, CH;

Inventor:

Rolf Erhardt, Buchs, CH;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25C 1/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A hand-held drive-in tool for driving fastening elements, includes a driving ram () displaceably arranged in a guide (), a drive unit () for displacing the driving ram (), a press-on element () for controlling the safety element () of the drive unit () and spring-biased in a drive-in direction, and a device for changing a biasing force applied to the press-on element () dependent on a special orientation of the press-on element () relative to a vector (G) of a gravitational force.


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