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:
Feb. 09, 1988
Filed:
Jun. 24, 1987
Applicant:
Inventor:
William Gallentine, Hood River, OR (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B / ; F01B / ;
U.S. Cl.
CPC ...
92 / ; 92 29 ;
Abstract
A system of hydraulic tools utilizing removably, replaceable and substantially interchangeable valve assemblies, fluid reservoirs and hydraulic driving mechanisms. The fluid reservoir maintains the hydraulic fluid under moderate pressure. The valve assembly can contain a hydraulic pump for powering the driving mechanism. The hydraulic pump preferably has displacement varying means for changing the power transfer ratio of the pump. The hydraulic assemblies are removably received in a variety of tool bodies.