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:
Mar. 27, 2012
Filed:
Jun. 03, 2009
Guenter Haas, Kaufering, DE;
Guenter Haas, Kaufering, DE;
Hilti Akietengesellschaft, Schaan, LI;
Abstract
A hand-held reciprocating power saw () includes a reciprocation member () for reciprocatingly moving a working tool, a compensation mass (), a motor-driven eccentric wheel () having a first eccentric () for reciprocatingly displacing the reciprocation member () and a second eccentric () for reciprocating the compensation mass () along an axis (A), with the outer surface () of the second eccentric () engaging in an opening () provided in the compensation mass () and defined by a circumferential wall (), and an intermediate member () arranged between the circumferential wall () and the outer surface () of the second eccentric () at least in the contact regions (), between the circumferential wall () and the outer surface of second eccentric, with the intermediate member () having a first radial extension (R) oriented parallel to the axis (A) and a second radial extension (R) oriented perpendicular to the axis (A) and greater than the first radial extension (R).