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:
Jan. 31, 2006
Filed:
Jun. 04, 2003
Ronald Anthony Leemans, Moline, IL (US);
David Michael O'brien, Dubuque, IA (US);
George Robertson, Spanish Fork, UT (US);
Gregory Keith Werner, Durango, IA (US);
Ronald Anthony Leemans, Moline, IL (US);
David Michael O'Brien, Dubuque, IA (US);
George Robertson, Spanish Fork, UT (US);
Gregory Keith Werner, Durango, IA (US);
Deere & Company, Moline, IL (US);
Abstract
A tool coupler comprises a coupler frame and an attachment frame. The attachment frame is provided with two hooks that engage two catches located on the coupler frame. The coupler frame is provided with two locking pins and the attachment frame is provided with two receiving apertures, for locking the coupler frame to the attachment frame. Both locking pins are actuated by a double acting hydraulic cylinder. The hydraulic cylinder is slidably mounted on the coupler frame. The hydraulic cylinder is provided with a barrel end having the first locking pin and a piston rod having the second locking pin. The coupler frame and the hydraulic cylinder are provided with limiters which limit the sliding movement the piston rod and the barrel end relative to the coupler frame.