Reversible control level linkage

Motor vehicles – Manually actuated controlling devices – With movable control station or seat position

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Details

180334, 180326, B60K 2600

Patent

active

050525123

ABSTRACT:
A reversible actuation linkage associated with a control lever determining the speed and direction of travel of a hydrostatically driven tractor in which the control is mounted with an operator's station pivotally supported to permit orientation of the operator in a selected one of opposing directions is disclosed wherein the linkage includes a cable actuator pivotally connected to a fixed linkage mechanism. The actuator cable includes a clevis mounted for pivotable movement about a vertical pivot axis coinciding with the axis about which the operator's station is rotatably movable. As a result, the actuator cable reversibly effects operation of the hydraulic system to effect movement of the tractor in the direction corresponding to the direction of movement of the control lever irrespective of the rotated position selected for the operator's station.

REFERENCES:
patent: 3088537 (1963-05-01), Tourneau
patent: 3891003 (1975-06-01), Duttarer et al.
patent: 4372341 (1983-02-01), Crawley
patent: 4478308 (1984-10-01), Klaassen
patent: 4730691 (1988-03-01), Grigg
patent: 4771855 (1988-09-01), Takashima et al.
patent: 4812838 (1989-03-01), Tashiro et al.
patent: 4822962 (1989-04-01), MacCourt
Ford New Holland Sales Brochure entitled "100 PTO hp BiDirectional.TM. Tractor, 9030 Series".

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