Device for locking parking brake release valve

Details Device for locking parking brake release valve Device for locking parking brake release valve

1987-06-02

1988-10-25

Wolfe, Robert L.

Locks

Special application

For control and machine elements

70231, 70177, F16B 4100

Patent

active

047794330

ABSTRACT:
A locking device for parking brakes of trucks using an internally grooved knob on the instrument panel to control air brakes. A sleeve covers the knob and is locked to the knob to prevent pushing on the knob and removing it from the knob. The sleeve is provided with a lock plug for engaging the groove in the knob.

REFERENCES:
patent: 1625901 (1927-04-01), Lay
patent: 3707860 (1973-01-01), Singer
patent: 4226103 (1980-10-01), Strickland
patent: 4325237 (1982-04-01), Memzie

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