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:
Mar. 02, 1993
Filed:
Jul. 24, 1992
Applicant:
Inventor:
Philip W Schroeder, Derby, KS (US);
Assignee:
Case Corporation, Racine, WI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F / ;
U.S. Cl.
CPC ...
37 86 ; 37 83 ;
Abstract
A crumber mechanism including a crumber shoe mounted on a support boom for powered movement between operative and non-operative positions. A fluid powered motor coacts with a linkage mechanism to move the shoe between positions in response to operation of the motor. An automatic locking device releasably holds the crumber shoe in a working position. The automatic locking device includes a slidable lock which moves into locking coaction with a locking channel defined by the shoe in response to extension of the hydraulic motor.