Communications: electrical – Land vehicle alarms or indicators – External alarm or indicator of movement
Patent
1988-10-04
1990-09-25
Eisenzopf, Reinhard J.
Communications: electrical
Land vehicle alarms or indicators
External alarm or indicator of movement
340463, B60Q 126
Patent
active
049596349
ABSTRACT:
An apparatus is disclosed for monitoring the operating conditions of a vehicle for the purpose of initiating a warning signal to following vehicles of impending deceleration prior to actual application of the vehicle braking system. The piston of a pneumatic cylinder is coupled to a vehicle throttle to provide linear translation of the throttle position and movement, the piston being biased to return the piston rod at a predetermined rate when the throttle position is altered for lower vehicles speed. Switching means are secured to the piston rod. The switch is in a normally open position, the switch being closed when appropriate deceleration is detected. When the deceleration switch is closed, a warning signal will be transmitted to following vehicles unless, disabled by signal levels reflective of appropriate manifold vacuum, prior application of the braking system or insufficient vehicle velocity to require a warning signal.
REFERENCES:
patent: 2764962 (1956-10-01), Warren et al.
patent: 3239807 (1966-03-01), Williams
patent: 3774152 (1973-11-01), Tandy
patent: 4149141 (1979-04-01), Tanimura
patent: 4257005 (1981-03-01), Hall
patent: 4418331 (1983-11-01), Chicoine
Eisenzopf Reinhard J.
Mueller Robert W.
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