Device for detecting at least one variable relating to the movem

Details Device for detecting at least one variable relating to the movem Device for detecting at least one variable relating to the movem

1989-01-26

1991-01-01

Pellinen, A. D.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307116, 200 47, 340670, 340686, 33707, G01D 500, F16H 5300, H01H 1500, H01H 2100

Patent

active

049821067

ABSTRACT:
A lever (6) is pushed by a cam profile (23) formed on an actuating member (9) fastened to a movable body (12), the movement of which is to be detected. A cam (13) fixed to the lever moves a plunger (16) which actuates a position switch (33). There is interposed between the plunger and the switch an influencing member (22), the position of which is measured by means of a card (28) passing in front of photoelectric detectors (29). A processing unit (31) supplies, at the output, an analog or numerical signal relating to the position of the movable body (12), to its speed or to its acceleration.

REFERENCES:
patent: 3956973 (1976-05-01), Pomplas
patent: 4797564 (1989-01-01), Ramunas
Machine Design, vol. 40, No. 26, Nov. 7, 1968, pp. 185-189, R. J. Perle: "Reliable Limit-Switch Operation".
Patent Abstracts of Japan, vol. 5, No. 202 (P-95) [874], Dec. 22, 1981; & JP-A-56-124 015 (Hitachi Seisakusho K.K.), 29/09/81.

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