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. 05, 2000
Filed:
Dec. 22, 1998
Applicant:
Inventor:
Daniel E Zimmermann, Peoria, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05G / ;
U.S. Cl.
CPC ...
7447 / ;
Abstract
A joystick is disclosed which comprises an operator member mounted to a pivotal member, the operator member for moving the pivotal member, a position sensor associated with the pivotal member, a linear solenoid having a pair of plunger members each being positioned within the solenoid on opposite sides of the solenoid, and a cable member connected to the operator member and the plunger members with the cable member for centering the operator member when the solenoid is energized.