Travel trailer level indicator

Details Travel trailer level indicator Travel trailer level indicator

1986-12-11

1988-08-02

Martin, Jr., William D.

Geometrical instruments

Indicator of direction of force traversing natural media

Structurally installed including relation to feature thereof

33366, 33391, 33401, G01C 906, B60Q 152

Patent

active

047606495

ABSTRACT:
A new solid state electronic position indicator used to determine the horizontal and longitudinal level attitude of a recreation vehicle. This device, mounted on the frame of the vehicle, senses an imbalance condition by relying on a gravity sensitive compound pendulum. The pendulum is rectangular in shape, rotating about a shaft mounted ball bearing. Movement of this pendulum is detected by the electronic sensing circuit. This circuit sends an electrical signal to a visual or audio receiver mounted within a control panel, remote from the sensor. The control panel is normally mounted on dash of tow vehicle. The signal display indicates which side or end of the recreation vehicle requires elevation to attain a level attitude required to safely operate the propane gas operated appliances, e.g. (refrigerator, hot water heater) and provide creature comfort.

REFERENCES:
patent: 3861052 (1975-01-01), Siegrried
patent: 3916531 (1975-11-01), Morton
patent: 4182046 (1980-01-01), Ludlow
patent: 4492029 (1985-01-01), Tanaka et al.
patent: 4584778 (1986-04-01), Komasaku et al.
patent: 4658508 (1987-04-01), Oberg

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