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, 1997
Filed:
Jul. 11, 1995
Applicant:
Inventor:
Jeffrey J Krieger, Peoria, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
74335 ; 74339 ;
Abstract
A direct drive transmission includes clutches for driving a gear box and a shift controller in providing for improving the shifting of gears within the gear box. The gear box includes a first input countershaft and a second input countershaft. The shift controller includes a motor which is connected between the input countershafts to maintain the speed of the countershafts during shifting of the gears.