Armored axially displaceable sealing apparatus

Details Armored axially displaceable sealing apparatus Armored axially displaceable sealing apparatus

1986-09-22

1989-04-25

Gilreath, Stanley N.

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

277212FB, H01H 1306, F16J 1532

Patent

active

048250236

ABSTRACT:
An axially displaceable armored sealing apparatus for push button switches and the like. The apparatus includes a sealed nut unit connected to an anvil for actuating the plunger of a switch by means of a flexible elastomeric member forming a cavity for the plunger of the switch. The anvil is connected to a moveable armored cap that fits over the end of a stationary metal cylinder supported by the nut and which cap is axially displaceable with respect to the stationary cylindrical portion of the sealing apparatus. The displacement required to actuate the switch is less than the displacement necessary to cause the movable armored cap to contact either the flexible elastomeric member or the stationary cylindrical portion of the sealing apparatus.

REFERENCES:
patent: 2795144 (1957-06-01), Morse
patent: 3586811 (1971-06-01), Amis, Jr.
patent: 4298778 (1981-11-01), Beresford-Jones
patent: 4596912 (1986-06-01), Hattori

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