Creeper - deadman

Details Creeper - deadman Creeper - deadman

1977-01-17

1978-05-30

Peters, Jr., Joseph F.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180 82A, 74474, B60K 2300

Patent

active

040918890

ABSTRACT:
A combined creeper and safety control system for an industrial lift truck or the like includes a transmission override or creep control valve normally biased to a disabling position with means for selectively connecting the creeper control valve member to be operated by the operator and including a control system responsive to the presence of an operator on the vehicle seat for activating the control circuit whereby the control valve may be connected to the transmission creeper and disabling control member for thereby providing operator control of the transmission. The control system operates automatically upon the absence of the operator on the vehicle seat to automatically disengage the control member from the creeper valve thereby permitting the valve to be biased automatically to its disabling position.

REFERENCES:
patent: 1288906 (1918-12-01), Jensen
patent: 3005562 (1961-10-01), Shaffer
patent: 3334488 (1967-08-01), Lauck
patent: 3451218 (1969-06-01), Grant
patent: 3486335 (1969-12-01), Kern
patent: 3700062 (1972-10-01), Garnett
patent: 3930555 (1976-01-01), Iijima

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