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. 20, 2007
Filed:
Dec. 07, 2004
Guenter Haas, Kaufering, DE;
Guenter Haas, Kaufering, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A drive for a motor-driven hand-held tool includes a motor () and a gear mechanism () for converting a rotational movement of the motor () into a reciprocating movement of the reciprocating drive element () for a working tool, with the gear mechanism () having a transmission element () axially secured on a support () with a support member () and including a mass-balance member (), a first eccentric take-off element () cooperating with the reciprocating drive element () and a second eccentric take-off element () cooperating with the mass-balance member () for imparting reciprocating movement thereto, and with the support member () forming a slide support surface for the mass-balance member ().