Neutral position limit switch lever head

Details Neutral position limit switch lever head Neutral position limit switch lever head

1982-02-11

1983-09-27

Shepperd, John W.

Electricity: circuit makers and breakers

Limit switch

200153LB, 200336, 74 99R, H01H 316

Patent

active

044069332

ABSTRACT:
This disclosure depicts a novel apparatus for use with an electric limit switch. The apparatus is a neutral position limit switch lever head, or multiple position off-center to center movement translator, for use with an operator having first and second movable elements and a receiver having a movable member. The apparatus comprises a support cover, a linear actuator in contact with the movable member of the receiver and a tri-lobe roller follower in contact with the linear actuator and the two movable elements of the operator. The support cover retains the linear actuator in the center of the support cover and also holds the tri-lobe roller follower in position. The novel apparatus converts the off-center movement of the movable elements of the operator to a linear center movement of the linear actuator.

REFERENCES:
patent: 2964602 (1960-12-01), Watson
patent: 3275764 (1966-09-01), Kiessling et al.
patent: 3370138 (1968-02-01), Vinot
patent: 3539738 (1970-11-01), Bowen et al.
patent: 3712965 (1973-01-01), Dalton
patent: 3829637 (1974-08-01), Kilcoin

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