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.:

US 7975777 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 12, 2011

Filed:

Dec. 19, 2008
Applicants:

Harald Krondorfer, Aurora, OH (US);

Yizhuo Zhang, Arlington Heights, IL (US);

Inventors:

Harald Krondorfer, Aurora, OH (US);

Yizhuo Zhang, Arlington Heights, IL (US);

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 45/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A device for impacting a fastener in one embodiment includes a drive channel, a cylinder opening at an end portion to the drive channel, a microcellular polyurethane elastomer (MPE) bumper fixedly positioned at the end portion of the cylinder, the MPE bumper including a drive bore extending therethrough and aligned with the drive channel, and an outer wall defining a plurality of grooves extending radially about the MPE bumper, and a drive mechanism including a drive blade aligned with the drive bore.


Find Patent Forward Citations

Krondorfer, Harald. (2011). Cellular foam bumper for nailer (U.S. Patent No. 7975777). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7975777

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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