Actuating device for bus safety gate and stop sign

Details Actuating device for bus safety gate and stop sign Actuating device for bus safety gate and stop sign

1993-05-17

1994-10-18

Peng, John K.

Communications: electrical

Land vehicle alarms or indicators

For school bus

340480, 340487, 318282, 318281, B60Q 126

Patent

active

053572394

ABSTRACT:
An actuating device (10) for operating a safety unit (12) mounts on a vehicle (14) and moves between a retracted position adjacent the vehicle and an extended position extending outwardly from the vehicle. A housing (16) is fixedly mounted on the vehicle and a bracket (18) is pivotably mounted on the housing for movement about a predetermined pivot axis between the retracted and the extended positions. The actuating device (10) also includes a drive mechanism (20) for pivoting the bracket (18) about the pivot axis between the retracted position and the extended position. A torsional spring (22) is mounted about the pivot axis and torsionally interconnects the bracket (18) and the drive mechanism (20) for allowing relative movement therebetween when a predetermined force is applied to the bracket.

REFERENCES:
patent: 4559518 (1985-12-01), Latta
patent: 4766413 (1988-08-01), Reavell
patent: 4816804 (1989-03-01), Reavell
patent: 4956630 (1990-09-01), Wicker
patent: 4983949 (1991-01-01), Wicker
patent: 5132662 (1992-07-01), Burch
patent: 5199754 (1993-04-01), Freeman

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