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:
May. 24, 1988
Filed:
Jul. 30, 1985
Applicant:
Inventor:
Robert J Buske, Corsicana, TX (US);
Assignee:
Consolidated Technologies Corp., Denver, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B / ;
U.S. Cl.
CPC ...
173119 ; 173134 ; 91321 ;
Abstract
A hydraulic impact tool having a housing, a working tool, a ram, an energy storage device, and a valve slide. The tool also has a high pressure hydraulic fluid inlet port, an intermediate pressure hydraulic fluid inlet port, and two return lines. One of the return lines is for exhausting fluid from an upper annular chamber, and the other return line is for exhausting fluid from an intermediate annular chamber.