Fluid-pressure and analogous brake systems – Locks
Patent
1979-07-13
1981-05-19
Reger, Duane A.
Fluid-pressure and analogous brake systems
Locks
92 28, B60T 1716
Patent
active
042680930
ABSTRACT:
An air brake safety and parking mechanism is provided in the form of an emergency braking system which operates automatically to set and latch the air brakes of a vehicle in a braking position whenever the air pressure of the service braking system of the vehicle drops below a pre-selected threshold, and which also can be set and released mechanically for parking purposes. The mechanism includes an aperatured latch through which an actuating rod for the air brakes of the vehicle extends and is freely slidable so long as the latch is in a first angular position, but which is engaged by the latch when the latch is in a second angular position to prevent movement of the rod in a direction which would release the brakes of the vehicle. A feature of the mechanism is that it can subsequently be released and then re-set so that the brake can be used for parking purposes, for example, for a trailer. Should it become necessary to move the trailer in the parking facility the brake can be mechanically released and subsequently re-set.
REFERENCES:
patent: 2759569 (1956-08-01), Keehn
Beecher Keith D.
Reger Duane A.
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