Protective cover for telephone push button array

Details Protective cover for telephone push button array Protective cover for telephone push button array

1981-02-23

1984-03-20

Rubinson, G. Z.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

179 90K, 179178, 2003021, H04M 123

Patent

active

044383002

ABSTRACT:
A protective cover is disclosed for the push button array of a push button dial telephone set. The cover comprises a flexible elastomeric sheet having a grid of upwardly-directed pockets, the lower-facing ends of which are open for snugly receiving and thereby overlying the corresponding array of push buttons on said telephone set. The pockets are elastically depressible independently of one another toward their open ends to permit individual displacement of the underlying telephone set push buttons received in the pockets. The sheet includes a skirt portion extending laterally beyond the grid and the sheet is continuous between its lateral edges whereby the entire push button array is overlaid by the cover and thereby protected against spilled liquids or other environmental hazards. The outwardly facing parts of the pocket portions carry readable indicia thereupon corresponding to the indicia on the underlying push buttons. The indicia can be defined by a phosphorescent material, whereby the indicia are visible under low light or darkened conditions.

REFERENCES:
patent: 1600603 (1926-09-01), Schwegler
patent: 3372246 (1968-03-01), Knuepfer
patent: 3491221 (1970-01-01), Zamarra
patent: 3749870 (1973-07-01), Oakes
patent: 4078257 (1978-03-01), Bagley
patent: 4160136 (1979-07-01), McGough
patent: 4293764 (1981-10-01), Amrheim
"Teleseel", Telephony, May 3, 1982, p. 100.
"Telephone Cover", Telephony, Nov. 3, 1980, p. 44.

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