Brakes – With condition indicator – Electrical
Patent
1992-02-03
1993-07-13
Oberleitner, Robert J.
Brakes
With condition indicator
Electrical
92 5R, 116208, 340454, F16D 6602
Patent
active
052265099
ABSTRACT:
A Brake Travel Indicator for use on a vehicle having a plurality of air brake assemblies secured to the undercarriage of the vehicle and stationary with respect thereto, responsive solely to the linear movement of the push rod clevis of each air brake assembly to provide a visible indication of excess linear movement of the push rod clevis and probable need for brake maintenance as well as an indication of the particular wheel where such maintenance is probably needed and comprising a travel indicator tube which slideably engages with a fixed reference tube to slide in and out of said reference tube to provide visible indication of probable need for brake maintenance and an electrical monitoring system cooperating with the travel indicator tube comprising a continuous electrical circuit connected to a remote display panel with a plurality of multicolored lamps to indicate excess brake travel by one colored lighted lamp, to indicate open circuit or power loss condition by lack of lighted colored lamps, and to indicate normal brake travel and system operational by another color lighted lamp, and a power source either within or remote from the vehicle to energize the electrical system.
REFERENCES:
patent: 4279214 (1981-07-01), Thorn
patent: 4583071 (1986-04-01), Sebalos
patent: 4642603 (1987-02-01), Martinez
patent: 4757300 (1988-07-01), Sebalos
patent: 4776438 (1988-10-01), Schandelmeirer
patent: 4800991 (1989-01-01), Miller
patent: 4879964 (1989-11-01), Emerson
patent: 5140932 (1992-08-01), Goldfein et al.
At-A-Glance, Inc.
Naragon Frederic E.
Oberleitner Robert J.
Rutherford Kevin D.
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