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:
Mar. 17, 2015

Filed:

Mar. 14, 2012
Applicant:

Gan Wei, Nanjing, CN;

Inventor:

Gan Wei, Nanjing, CN;

Assignee:

Chervon (HK) Limited, Hong Kong, HK;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25C 7/00 (2006.01); B23B 45/16 (2006.01); B25D 9/00 (2006.01); B25D 11/00 (2006.01); B25D 13/00 (2006.01); B25D 16/00 (2006.01); E21B 1/00 (2006.01); B25D 11/06 (2006.01);
U.S. Cl.
CPC ...
B25D 11/068 (2013.01);
Abstract

An auto hammer includes a motor arranged in a housing, a striking device arranged in a nozzle portion of the housing and a transmission mechanism for converting the rotating motion of the motor into the striking motion for the striking device. The transmission mechanism includes a striking assembly for exerting a striking motion to the striking device, the striking assembly includes a rotational driving member and a rotational striking member enclosing the rotational driving member, and the rotational striking member is provided with at least one striking portion for striking and contacting the striking device. The auto hammer has a gripping portion suitable for palm gripping which is arranged on a back side of the housing opposite to the striking device where the motor is arranged on the same side as the striking assembly relative to the axis of the reciprocating linear motion of a striking shaft of the striking device.


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