Actuator mechanism with enhanced tactile characteristics

Details Actuator mechanism with enhanced tactile characteristics Actuator mechanism with enhanced tactile characteristics

1982-10-18

1984-02-21

Shepperd, John W.

Electricity: circuit makers and breakers

Electric switch details

Actuators

200 83S, 200153T, 200 67DB, 74110, H01H 518

Patent

active

044332246

ABSTRACT:
A push button actuator for an electrical switch device is disclosed which provides high tactile feedback with small button travel. Movement of the push button is resisted by a resilient column extending between the button and a force transfer device which is adapted to laterally engage the column in response to a sufficient force applied to the force transfer device through the column. The lateral engagement initiates buckling of the column which sharply reduces its load bearing capacity and causes the push button to snap to its depressed position.

REFERENCES:
patent: 1676155 (1928-07-01), Pfeifer
patent: 2673468 (1954-03-01), Immel et al.
patent: 2842632 (1958-07-01), Edwards
patent: 3109901 (1963-11-01), Strauss
patent: 3872270 (1975-03-01), Bond
patent: 3890477 (1975-06-01), Saunders
patent: 4002871 (1977-01-01), Simms, Jr.
patent: 4002879 (1977-01-01), Simms, Jr.
patent: 4190751 (1980-02-01), Roth et al.
patent: 4267725 (1981-05-01), Roth et al.

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