Hayrake hitch and method of use
Patent 5025616 Issued on June 25, 1991. Estimated Expiration Date: 
November 1, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 1, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2597828 2606417 3177828 3292948 Dual implement hitch Tandem hitch apparatus Dual implement hitch Implement hitch assembly Patent #: 4577881 InventorApplicationNo. 430523 filed on 11/01/1989US Classes:56/14.9, With hitch permitting movement of harvester relative to vehicle56/15.1, With drive from motor for re-positioning harvester56/384, Wheel supported111/57, Extensible172/57, Laterally spaced tools172/311, Outrigged implement adjustable inwardly172/313Laterally spaced with separate draft tonguesExaminersPrimary: Suchfield, George A.Attorney, Agent or FirmInternational ClassesA01D 007/00A01D 067/00 AbstractA second hayrake hitch for use with a tractor is disclosed. The hayrake hitch includes a generally U-shaped main frame of size and height to overfit a forward hayrake which is directly connected to the tractor. The main frame includes a main beam and a wheeled rear support bar which is pivotally interconnected relative to the main beam. A second hayrake is connected to a hitch bar secured to the rear support bar to enable the tractor to simultaneously pull the two hayrakes. A hydraulic cylinder extends between the rear support bar and a leg connected to the main beam and hydraulic lines interconnect the cylinder with the hydraulic coupling of the tractor. By hydraulically functioning the cylinder while the tractor is moving, the rear support bar can be pivoted relative to the axis of the main beam to thereby move the rear hayrake to the right or to the left relative to the front hayrake to simultaneously rake two hay windrows or one large combined windrow.Field of SearchWith hitch permitting movement of harvester relative to vehicleWith drive from motor for re-positioning harvester By means for adjusting harvester laterally GANG COMBINED RAKES AND TEDDERS Rear delivery Wheels supported Wheel supported Extensible V-shaped Outrigged implement adjustable inwardly Laterally spaced with separate draft tongues WITH DRAFT DETAIL | |
