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:
Jun. 18, 1996
Filed:
Jun. 20, 1994
Applicant:
Inventor:
Rolland D Scholl, Dunlap, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F / ;
U.S. Cl.
CPC ...
36442407 ; 364434 ; 37419 ;
Abstract
An apparatus is provided for controlling a machine having a rotatable body and includes a light signal source, a sensor connected to the rotatable body for producing electrical signals in response to receiving the light signal, and a device controlling the rotational speed of the rotatable body in response the electrical signals.