Spring strut with a relative motion indicative signal

Details Spring strut with a relative motion indicative signal Spring strut with a relative motion indicative signal

1991-04-08

1992-11-10

Oberleitner, Robert J.

Brakes

With condition indicator

Electrical

200 82R, F16D 6600

Patent

active

051616475

ABSTRACT:
A spring strut including a work cylinder with a slider in the work cylinder. Electrical contacts are applied on the slider and cylinder and in an inward stroke, a first electrical loop, which extends via the slider, is electrically closed and a second electric loop is broken. In an outward stroke, the second electric loop is closed via the slider, and the first loop is opened. Thus, with the aid of an electrical circuit, it is simple and easy to recognize whether the work cylinder is operating in an inward or in an outward stroke.

REFERENCES:
patent: 3659268 (1972-04-01), Crawford
patent: 3793498 (1974-02-01), Matsui et al.
patent: 4726453 (1988-02-01), Obstfelder et al.
patent: 5007659 (1991-04-01), Gay

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