초록 ▼

A unitary-frame, straddle-type, crop-working vehicle with independent adjustability of straddle height, track width, and tool position is described. The vehicle features two lower tool-mounting arms and lateral and fore-and-aft adjustment to a center upper tool-mounting arm. Independent height adjus

A unitary-frame, straddle-type, crop-working vehicle with independent adjustability of straddle height, track width, and tool position is described. The vehicle features two lower tool-mounting arms and lateral and fore-and-aft adjustment to a center upper tool-mounting arm. Independent height adjustment of each of the vehicle\s vertical mast structures facilitates upright hillside operation. Crawler tracks are utilized for ground travel and provide desirable weight distribution during crop-working operations.

대표청구항 ▼

A crop-working, straddle-type vehicle comprising: first and second elongate horizontal traveling frames, laterally spaced from each other in the vehicle; ground-traveling means mounted on each of the traveling frames whereby each frame is movable over the ground in a stable manner; a pair of hydraul

A crop-working, straddle-type vehicle comprising: first and second elongate horizontal traveling frames, laterally spaced from each other in the vehicle; ground-traveling means mounted on each of the traveling frames whereby each frame is movable over the ground in a stable manner; a pair of hydraulic motors, one for each ground-traveling means, drivingly connected to the ground-traveling means; a single, upright mast joined to and extending upwardly from one of said frames and another single, upright mast joined to and extending upwardly from the other of said frames, each mast having an elongate lower section fixed to a traveling frame and an elongate upper section forming the upper part of the mast adjustably extensible from the lower section, and power-operated means interposed between the sections for producing adjustable extension of the upper section from the lower section; a motor-driven pump positioned adjacent and mounted on one of said masts, supplying pressurized hydraulic fluid to said hydraulic motors; a substantially horizontal beam assembly interconnecting upper extremities of the upper sections of said first-mentioned and other mast whereby the masts depend from the horizontal beam assembly and the masts and beam assembly form a channel-shaped arch defining a passage for the movement of a crop therethrough, said masts and said horizontal beam assembly constituting the sole structurally unifying framework interconnecting said traveling frames; and an operator\s station including means for carrying an operator, and support means for the operator\s station having the operator\s station mounted thereon, said support means being joined to one of said masts and extending longitudinally of the vehicle and positioning the station below the horizontal beam assembly and above a ground-traveling frame and at one side of the passage defined by the channel-shaped arch.