Recreational vehicle jack remote control

Details Recreational vehicle jack remote control Recreational vehicle jack remote control

1999-10-22

2000-11-07

Swann, J. J.

Land vehicles

Wheeled

Articulated vehicle

2807661, 254419, 361184, 361189, 307129, B60S 902

Patent

active

06142501&

ABSTRACT:
The recreational vehicle jack remote control is for use with a recreational vehicle having a pair of support jacks which are raised and lowered by an electric motor connected to the jacks. The electric motor is controlled by a normally open, double-pole, triple throw switch in the recreational vehicle. The recreational vehicle jack remote control is a modification of the circuit which includes a portable radio frequency transmitter, at least one radio frequency receiver mounted in the recreational vehicle, and a plurality of relays. The transmitter has an "up" button for raising the support legs, and a "down" button for lowering the support legs. When the "up" button is pressed, the relay coil of at least one relay is energized, closing the relay switch contacts to apply current to the electric motor with the proper polarity for raising the legs. When the "down" button is pressed, the relay coil of at least one relay is energized, closing the relay switch contacts to apply current to the electric motor with the opposite polarity for lowering the legs.

REFERENCES:
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patent: 4253680 (1981-03-01), Albright et al.
patent: 4863184 (1989-09-01), Mena
patent: 5004267 (1991-04-01), Busby
patent: 5176391 (1993-01-01), Schneider et al.
patent: 5176396 (1993-01-01), Hawthorne et al.
patent: 5188379 (1993-02-01), Krause et al.
patent: 5299829 (1994-04-01), Rivers, Jr. et al.
patent: 5312119 (1994-05-01), Schneider et al.
patent: 5451076 (1995-09-01), Burkhead
patent: 5575493 (1996-11-01), Schwartz et al.

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