Apparatus for automatically levelling a base

Details Apparatus for automatically levelling a base Apparatus for automatically levelling a base

1984-04-11

1986-02-25

Peters, Jr., Joseph F.

Land vehicles

Body elevation or tilt

Establishing riding or trim height

180 41, 254418, 2807631, B60S 900, B62D 3700

Patent

active

045725276

ABSTRACT:
An apparatus for levelling a base comprises two switches (T, L) arranged to sense the disposition of a caravan or trailer base (10) in mutually perpendicular directions. According to the state of each of the switches, jacks disposed at each of the corners (11-14) of the base are actuated to alter the height of the respective corner. Further switches (SM1-SM4) are actuated when a corner of the base (10) is at a desired height to prevent further movement of the associated jack, and to cause movement of one or more other jack to level the base. Operation of the jacks in response to the switches is controlled by a control unit.

REFERENCES:
patent: 3269685 (1966-08-01), Wallace
patent: 3630317 (1971-12-01), Jacobsson
patent: 3669409 (1972-06-01), Eranosian
patent: 4084830 (1978-04-01), Daniel, Jr. et al.

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