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:
Apr. 19, 1977
Filed:
Jul. 31, 1975
Applicant:
Inventor:
Edgar K Lindstrom, Wichita, KS (US);
Assignee:
J. I. Case Company, Racine, WI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F / ;
U.S. Cl.
CPC ...
214761 ; 214140 ;
Abstract
An anti-rollback mechanism for a material handling implement including a unit pivotally mounted on the outer end of the boom of a vehicle is disclosed herein. The anti-rollback mechanism includes a member that is moved with the boom to indicate the position of the boom and prevent actuation of a manual control lever that forms part of the hydraulic circuit for pivoting the unit on the boom. The anti-rollback mechanism incorporates a manual override to allow the operator to tilt the unit on the boom even though the boom is in the completely raised position.