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.

Date of Patent:
Oct. 06, 2020

Filed:

Sep. 12, 2018
Applicant:

Jian-shiou Liaw, Taichung, TW;

Inventor:

Jian-Shiou Liaw, Taichung, TW;

Assignee:

Other;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25D 9/00 (2006.01); B25D 9/02 (2006.01); B25D 9/20 (2006.01);
U.S. Cl.
CPC ...
B25D 9/02 (2013.01); B25D 9/20 (2013.01); B25D 2209/007 (2013.01); B25D 2250/065 (2013.01); B25D 2250/111 (2013.01);
Abstract

A pneumatic hammer has a handle, a body, a valve seat, a cylinder device, an assembling device, and a chisel. The body is transversally connected to the handle and has a chamber. The valve seat is mounted in the chamber of the body and has a rear valve, a front valve, and a valve plate disposed between the rear valve and the front valve. The cylinder device is mounted in the chamber, abuts against the valve seat, and has a cylinder barrel and a hammer. The cylinder barrel is mounted in the chamber and has a cylinder chamber. The hammer is movably disposed in the cylinder chamber. The assembling device is connected to the cylinder device, and has a mounting jacket, an engaging element, multiple positioning elements, a spring, and an engaging ring. The chisel is detachably connected to the assembling device, and is inserted into the cylinder chamber.


Find Patent Forward Citations

Quick Actions:

Liaw, Jian-Shiou. (2020). Pneumatic hammer (U.S. Patent No. 10792798). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10792798

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

Loading…