192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1981-12-18
1984-09-04
Krizmanich, George H.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
74512, 74490, 137354, 251295, B60K 4126
Patent
active
044692080
ABSTRACT:
A control mechanism for a differential lock having a control pedal isolated from the operating mechanism for engaging the differential. A platform resiliently mounted on the vehicle allows relative movement between the platform and the chassis. A foot operated control element mounted on the platform extends through the platform to a point adjacent an operating mechanism on the vehicle chassis. The operating mechanism selectively operates the differential lock control valve and in its retracted position completely disengages the operating mechanism. The differential lock valve is maintained by a detent in its actuating position and can be released by operating a brake system having a relay valve in the differential lock valve. When the brake system is operated, the relay valve releases the detent means in the differential lock valve allowing the valve to return to its differential release position and the operating mechanism to return to its retracted position. The foot operated control element does not engage the valve actuating mechanism in its retracted position and only engages the valve actuating mechanism when the differential lock valve is initially actuated.
REFERENCES:
patent: 2621750 (1952-12-01), Wahlberg
patent: 3945475 (1976-03-01), Khatti
patent: 4046021 (1977-09-01), McKee et al.
patent: 4186930 (1980-02-01), Shulke
Allis-Chalmers Corporation
Krizmanich George H.
Manley M.
Nelson Arthur L.
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