Air brake adjustment marker

Details Air brake adjustment marker Air brake adjustment marker

1988-09-12

1989-11-14

Cuchlinski, Jr., William A.

Signals and indicators

Vehicle

Curb feelers

116208, 116215, 188 111, B60Q 1100, F16D 6602

Patent

active

048799645

ABSTRACT:
An air brake adjustment marker for use on a vehicle having an air brake system attached to the undercarriage of a vehicle. The air brake system incudes an air supply, an air canister connected to the air supply and attached to the undercarriage. The air brake system further includes members movable with respect to the undercarriage. The movable members include a push rod extending from the air canister that moves between a retracted position to a first extended position and to a second over-extended position. A brake mechanism is operably connected to and movable by the push rod. The adjustment marker includes a chain attached to the push rod and having a predetermined length corresponding to the first extended position. A snap is attached to one end of the chain and a clamp is attached to the other end. An indicator flag is attached to the chain near the snap so that when the push rod is in an over-extended position, the snap will release and drop downwardly allowing the indicator flag to drop by gravity and alert the operator of the vehicle that the air brake system requires attention.

REFERENCES:
patent: 1750588 (1930-03-01), Gilmore
patent: 2350637 (1944-06-01), Pittman
patent: 2952057 (1960-09-01), Lassiter
patent: 3356188 (1967-12-01), Goldman et al.
patent: 3822669 (1974-07-01), Schrag
patent: 3854417 (1974-12-01), MacDonnell et al.
patent: 3982413 (1976-09-01), Stone et al.
patent: 4279214 (1981-07-01), Thorn
patent: 4432120 (1984-02-01), Sherman, Jr. et al.
patent: 4642603 (1987-02-01), Martinez, Jr.
patent: 4776438 (1988-10-01), Schandelmeier
patent: 4800991 (1989-01-01), Miller

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