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:
Jan. 23, 2018

Filed:

Dec. 04, 2014
Applicant:

Black & Decker Inc., Newark, DE (US);

Inventor:

Martin Lauterwald, Huenstetten, DE;

Assignee:

Black & Decker Inc., New Britain, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 15/04 (2006.01); B25D 16/00 (2006.01); B25D 11/04 (2006.01);
U.S. Cl.
CPC ...
B25D 16/006 (2013.01); B25D 11/04 (2013.01); B25D 2211/003 (2013.01); B25D 2216/0015 (2013.01); B25D 2216/0023 (2013.01); B25D 2216/0038 (2013.01); B25D 2250/045 (2013.01);
Abstract

According to an aspect of the present invention there is provided a rotary hammer comprising an electric motor having its longitudinal axis perpendicular to the axis of the hammer spindle and the tool holder. A single switching arrangement activates and deactivates the hammer mechanism and the rotary drive mechanism for the tool holder. The switching arrangement has a cam portion acting on a coupling part to activate and deactivate the hammer drive mechanism, and acting on a slider part to engage and disengage a coupling sleeve with a drive sleeve to thereby activate and deactivate the rotary drive mechanism of the hammer spindle. The switching arrangement comprises a gear train disposed between the switching element and the cam portion.


Find Patent Forward Citations

Loading…