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:
Apr. 01, 2025
Filed:
Sep. 15, 2021
Applicants:
Robert Bosch Gmbh, Stuttgart, DE;
Basso Industry Corp., Taichung, TW;
Inventors:
Ramon Tam, Buffalo Grove, IL (US);
Peter Wierzchon, Morton Grove, IL (US);
Chien-Kuo Po, Taichung, TW;
Assignees:
Robert Bosch Power Tools GmbH, Leinfelden-Echterdingen, DE;
Basso Industry Corp., Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25C 1/04 (2006.01); B25C 5/13 (2006.01); B25D 9/24 (2006.01);
U.S. Cl.
CPC ...
B25C 1/042 (2013.01); B25C 5/13 (2013.01); B25D 9/24 (2013.01); B25D 2209/002 (2013.01); B25D 2250/181 (2013.01); B25D 2250/375 (2013.01);
Abstract
A power tool includes an air spring cylinder. A piston is movably positioned within the cylinder. A head valve assembly of the power tool includes a flapper valve configured to seal the air spring cylinder from an air accumulator when the flapper valve is in a non-firing position.