Plunger switch providing relief for an excess plunger load

Details Plunger switch providing relief for an excess plunger load Plunger switch providing relief for an excess plunger load

1992-04-14

1993-07-06

Recla, Henry J.

Electricity: circuit makers and breakers

Electric switch details

Latches

200DIG22, 200 61089, 200530, B65D 4500

Patent

active

052245888

ABSTRACT:
A switch (10) comprises a switch housing (11), a plunger (12) located within the switch housing (11), one end of the plunger (12) extending out of the housing (11), the plunger (12) being capable of limited movement relative to the housing (11). An electrical contact (17) is provided on the plunger (12) and is adapted to engage an electrical contact (19, 20) associated with the housing (11) at an outward limit of movement of the plunger (12). A stop (25) is provided coaxially of the plunger (12) for engagement of the end (18) of the plunger (12) at a normal inward limit of movement of the plunger (12). The stop (25) is displaceable axially when a load in excess of a predetermined magnitude is applied thereto by the plunger (12) to permit movement of the plunger (12) beyond its normal inward limit of movement relative to the housing (11).

REFERENCES:
patent: 3624330 (1971-11-01), Bognar
patent: 4154996 (1979-05-01), Arnold
patent: 5031737 (1991-07-01), Dzioba et al.

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