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:
Jul. 31, 2012
Filed:
Oct. 23, 2008
Stephen C. Oberheim, Des Plaines, IL (US);
Stephen C. Oberheim, Des Plaines, IL (US);
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A drive apparatus for a reciprocating tool includes a housing, a rotatable drive shaft assembly located in the housing, and an elongated plunger located in the housing for a reciprocating motion. The plunger has a front end portion for attaching a cutting blade thereto. The drive apparatus also includes a rotary joint elongated rocker having a lower end portion with a lower pivot connection to the housing and an upper end with an upper pivot connection to a mid portion of the plunger. A wobble plate interface is operatively connected to the drive shaft assembly, a lower portion having an effective lower pivot connection. The wobble plate interface also has an upper pivot connection to a rear portion of the plunger and configured to reciprocate the plunger generally in its lengthwise direction during alternating cutting and return strokes.