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:
Oct. 10, 1978
Filed:
Dec. 20, 1976
Applicant:
Inventors:
Gerardus M Ballendux, Waukesha, WI (US);
Ferdynand Kolacz, New Berlin, WI (US);
Assignee:
Allis-Chalmers Corporation, Milwaukee, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ; G05G / ;
U.S. Cl.
CPC ...
137868 ; 74475 ; 74540 ; 251231 ; 251251 ; 251297 ;
Abstract
A shift control mechanism having a detent means for selectively positioning the shifting mechanism for selective and alternative engagement of hydraulic actuators in a power shift transmission through spool valves operated by a control rack connected to the shifting mechanism.