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. 18, 1992
Filed:
Oct. 02, 1987
Applicant:
Inventors:
Charles E Naber, Waukesha, WI (US);
James B Ballard, Waukesha, WI (US);
Assignee:
Hein-Werner Corporation, Waukesha, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60P / ;
U.S. Cl.
CPC ...
254 / ; 254124 ;
Abstract
Hydraulic apparatus including a hydraulic fluid flow control cartridge for controlling hydraulic fluid flow between a hydraulic fluid reservoir and a hydraulic fluid pump and between the hydraulic fluid pump and the hydraulic cylinder, and for permitting relief of hydraulic fluid from the pump to the reservoir in the event the hydraulic fluid pressure in the pump exceeds a selected pressure.