Neutral safety lock for hydraulic implement controls

Details Neutral safety lock for hydraulic implement controls Neutral safety lock for hydraulic implement controls

1974-05-29

1976-03-09

Song, Robert R.

Motor vehicles

Bodies

74527, B62K 2800

Patent

active

039426025

ABSTRACT:
The two actuating levers of hydraulic pumps which control the direction and proportionate volumes of fluid flow to hydraulic motors in a hydraulic steering, speed, and direction control system may be locked in neutral by components located at the pumps but operated remotely from the cab of the vehicle. The geometry of the arrangement is such that any attempted movement on the part of the actuating levers once locked only tends to seat the locking components more firmly. Engine start-up is impossible unless the levers are locked in neutral.

REFERENCES:
patent: 3431993 (1969-03-01), Case
patent: 3613817 (1971-10-01), Glass et al.

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