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. 21, 1978
Filed:
Sep. 07, 1976
Applicant:
Inventor:
Duane R Smith, Oswego, IL (US);
Assignee:
Caterpillar Tractor Co., Peoria, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137798 ; 251144 ; 251148 ; 285 14 ; 285356 ; 285D / ;
Abstract
The hydraulic control system including an accumulator includes a safety connecting means for connecting the accumulator to the system so that partial disengagement of the connecting means automatically vents the accumulator to the sump of the hydraulic system.