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:
Oct. 06, 2020
Filed:
Jun. 12, 2013
Applicant:
Hilti Aktiengesellschaft, Schaan, LI;
Inventors:
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25D 3/00 (2006.01); H02K 35/00 (2006.01); B25D 11/06 (2006.01); H01F 7/16 (2006.01); H02K 33/12 (2006.01);
U.S. Cl.
CPC ...
B25D 11/064 (2013.01); H01F 7/1615 (2013.01); H02K 33/12 (2013.01); H01F 2007/1692 (2013.01);
Abstract
A power toolincluding a bit socketwhich is configured to hold a chiseling bitso that the latter can move along an axis of movement. A magneto-pneumatic striking mechanismincludes a primary drivethat is arranged around the axis of movementand that has a first magnet coil, a permanently and radially magnetizable ring magnetand a second magnet coilarranged consecutively in the striking direction. On the axis of movement, inside the magnet coils, the striking mechanismhas a strikerand a striking blockarranged consecutively in the striking direction. An air cushionacts upon the strikerin the striking direction