Articulated boom tractor mounted cutter assembly
May 4, 2012. 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 3274762 Hydraulic mower attachment Hydraulic mower head orienting apparatus for boom mowers Mower attachment for a tractor Laterally adjustable mower Boom mower attachment for a tractor adjustable for cutting at either side thereof Boom mower attachment for tractor adjustable for cutting at either side thereof Boom mower attachment for a tractor adjustable for cutting at either side thereof Vehicle-mounted brush cutter Patent #: 4996830 InventorApplicationNo. 878433 filed on 05/04/1992US Classes:56/15.2, Cutter assemblage re-positioned56/11.9, Having fluid-pressure or stored-energy motor56/15.5, By means for adjusting harvester laterally56/235All rotary diskExaminersPrimary: Novosad, Stephen J.Attorney, Agent or FirmInternational ClassesA01D 034/64A01D 034/86 AbstractA vegetation cutter is mounted on the end of an articulated boom supported for horizontal and vertical movement on a relatively small tractor by removable frame means. The frame means includes front to rear extending left and right longitudinal side frames which are connected by a U-shaped frame extending over the motor housing of the tractor and connected at its lower end portions to the side of the frame members. A rotary vegetation cutting housing is pivotally attached to the outer end of the articulated boom by a unique linkage means permitting the housing to be pivoted about a horizontal pivot through an arc in excess of 180°. A hydraulic motor on the cutter housing drives a cutter blade through a unique non-tapered cutter shaft which is held in the housing in the event of bearing seizure by unique drive means which precludes the rotating blade from dropping from the housing to create an accident hazard.Other References
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