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:
Aug. 11, 2015
Filed:
Sep. 29, 2011
Applicants:
Rakesh Dushyantrao Jagdale, Waco, TX (US);
Lauritz P. Pillers, Ii, McGregor, TX (US);
Inventors:
Rakesh Dushyantrao Jagdale, Waco, TX (US);
Lauritz P. Pillers, II, McGregor, TX (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25D 17/08 (2006.01); B25D 17/26 (2006.01); E02D 7/18 (2006.01);
U.S. Cl.
CPC ...
B25D 17/08 (2013.01); B25D 17/088 (2013.01); B25D 17/26 (2013.01); E02D 7/18 (2013.01); Y10T 29/49815 (2015.01);
Abstract
A hydraulic hammer having a front head and a lower bushing is disclosed. Also disclosed is a system and method for easily removing the lower bushing from the front head. The front head of the hydraulic hammer may define a bore therein and an inner surface of the bore may have a first taper. The lower bushing of the hydraulic hammer may be capable of being positioned within the bore of the front head and an outer surface of the lower bushing may have a second taper, with the first taper substantially following the second taper.