Communications: electrical – Selective – Having indication or alarm
Patent
1979-11-30
1981-08-04
Caldwell, Sr., John W.
Communications: electrical
Selective
Having indication or alarm
200 6186, 200 6189, 340 71, B60Q 144, H01H 314
Patent
active
042825091
ABSTRACT:
A mechanism for actuating brake lights in response to the depression of either one or both of a pair of side-by-side brake pedals. The actuator mechanism includes a cylindrical control rod which is mounted to the pivotal brake pedal arms and extends along a transverse, horizontal axis in the space between them. The ends of the control rod pass through enlarged openings in the brake pedal arms, and the ends are retained thereto by retainer washers. The longitudinal axis of the control rod is normally perpendicular to the longitudinal axes of the brake pedal arms, but the enlarged openings in the arms permit the control rod to tilt for control purposes. A single electrical switch is supported adjacent to, but spaced from, the midpoint of the transverse control rod, and it includes an L-shaped actuator arm which engages and rides on the control rod at its midpoint. The electrical switch is opened when the pedals are in their normally raised position, thereby preventing the brake lights from being turned on unless one or both of the brake pedals are depressed. When either one of the brake pedals is depressed, the control rod becomes tilted downwardly which causes the switch actuator arm to move vertically downward, thereby closing the electrical switch and turning the brake lights on. In a like manner, depression of both pedals, simultaneously, causes the control rod to move vertically downward which also causes the switch to be closed.
REFERENCES:
patent: 1646419 (1927-10-01), Peck
patent: 2219518 (1940-10-01), Engle et al.
patent: 2584938 (1952-02-01), Sweeny et al.
patent: 2959449 (1960-11-01), Lazich
patent: 3219775 (1965-11-01), Carpenter
patent: 3521233 (1970-07-01), Takeshi Inoue
patent: 4192399 (1980-03-01), Otteson et al.
Caldwell Sr. John W.
J. I. Case Company
Nowicki Joseph E.
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