Tractor pedal arrangement with anti-declutching feature

Details Tractor pedal arrangement with anti-declutching feature Tractor pedal arrangement with anti-declutching feature

1992-02-19

1993-02-16

Lorence, Richard

192 clutches and power-stop control

Clutch and brake

Vehicle type

744785, 74480R, B60K 4124

Patent

active

051862956

ABSTRACT:
The invention is an improvement in a vehicular clutch and brake control system, well suited for use on a crawler tractor. The system is of the type having a pair of primary pedals each controlling both clutch and brake operation for one track. The improvement includes an auxiliary pedal moving a hinge-mounted clevis to which a swinging link is pivotably mounted. In one operating mode (using only one or both primary pedals), either or both tractor tracks are de-clutched prior to brake application. In another mode, depression of the auxiliary pedal simultaneously depresses both primary pedals and track de-clutching is prevented even though both track brakes are applied. The operator is thereby better able to maintain control of the tractor in operating environments such as steep hills, embankments, foundation back-filling and the like.

REFERENCES:
patent: Re29293 (1977-07-01), Ehlke et al.
patent: 3494449 (1970-02-01), Umeda et al.
patent: 3815697 (1974-06-01), Bridwell et al.
patent: 3935932 (1976-02-01), Moorhouse
patent: 4441596 (1984-04-01), Nakahara et al.

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