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. 25, 1995
Filed:
Mar. 18, 1994
Applicant:
Inventor:
Ron R Karani, Chagrin Falls, OH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F / ; E21C / ;
U.S. Cl.
CPC ...
37466 ; 299 37 ; 173-1 ; 173-2 ; 91173 ; 172664 ; 172776 ;
Abstract
An improved hydraulic cylinder with a hydraulic impact hammer integrated into the cylinder rodhead of the hydraulic cylinder is provided. The hydraulic hammer is positioned inside a central chamber of the cylinder rodhead such that the impact piston can deliver at least one blow along the longitudinal axis of the cylinder rod to create an additive pulse of force.