Electronic treadle

Details Electronic treadle Electronic treadle

1983-11-09

1985-07-09

Envall, Jr., Roy N.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338108, 338 47, 338113, 74512, 74513, H01C 1012

Patent

active

045285900

ABSTRACT:
An electronic treadle (10) for generating an electrical signal proportioned to the degree of angular movement of a pivotally mounted treadle plate (14) includes a base (32) having side portions (26,28) which cooperate with corresponding side members (22,24) extending from the treadle plate. A pair of stops (76,78) are carried on one (26) of the side portions which cooperate with a tab (80) movable with the treadle plate (14) to limit the angular movement thereof. Movement of the treadle plate (14) is transmitted to a rotary potentiometer (66) carried on side portion (28) by a shaft (62) and socket (57) connecting the shaft to side member (22).

REFERENCES:
patent: 2192714 (1940-03-01), Norman et al.
patent: 2908883 (1959-10-01), Anderson
patent: 4290042 (1981-09-01), Sato

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