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:
Jan. 29, 2013
Filed:
Aug. 11, 2010
Rakesh Dushyantrao Jagdale, Waco, TX (US);
Lauritz Phillip Pillers, Ii, McGregor, TX (US);
Rakesh Dushyantrao Jagdale, Waco, TX (US);
Lauritz Phillip Pillers, II, McGregor, TX (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A hydraulic hammer () may include a housing () having a distal end defining an opening (), a bushing () positioned adjacent the housing distal end, the bushing () having an inner guide surface () and a distal end (), and a tool () having a proximal section () slidably disposed in the bushing inner guide surface () and a distal section () projecting from the housing () through the opening (). The hydraulic hammer () may further include a composite seal () having an exterior cover () with a proximal end () releasably coupled to the bushing () and a distal end () projecting from the distal end () of the bushing (), the exterior cover distal end () defining a recess () opening toward the tool (), and an interior seal () having a base () disposed in the exterior cover recess () and a sealing arm () projecting inwardly from the base (), the sealing arm () being configured to sealingly engage the tool ().