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. 17, 2012
Filed:
Nov. 25, 2008
Kent Kahle, Dayton, OH (US);
Michael Harvey Kidwell, Tipp City, OH (US);
Vincent Lasher, West Milton, OH (US);
Kent Kahle, Dayton, OH (US);
Michael Harvey Kidwell, Tipp City, OH (US);
Vincent Lasher, West Milton, OH (US);
Trimble Navigation Limited, Sunnyvale, CA (US);
Abstract
A vehicle and work attachment for the vehicle are disclosed in which the vehicle is of the type having a vehicle body, forward extending support arms, a motor-driven hydraulic fluid pump, hydraulic lines for carrying hydraulic fluid, a hydraulic fluid reservoir, and hydraulic cylinders for moving the arms with respect to the body. Controls may be provided for controlling the valves that control supply of hydraulic fluid to the hydraulic cylinders. These hydraulic valves may be mounted on the work attachment. Additionally, the work attachment may include hydraulic cylinders that are controlled by a control on the vehicle via valves mounted on the attachment. Processing circuitry on the attachment conditions the valve control signals. The attachment may also carry valves that control the supply of hydraulic fluid to hydraulic cylinders on the attachment for effecting movement of attachment elements. Quick connect hydraulic couplings facilitate changing attachments.