Electricity: circuit makers and breakers – Multiple circuit control – Multiple switch
Patent
1995-07-14
1997-09-23
Scott, J. R.
Electricity: circuit makers and breakers
Multiple circuit control
Multiple switch
200345, H01H 1370
Patent
active
056707592
ABSTRACT:
An improvement of a push button switch is provided. The improvement is characterized in that the plunger has a cross section of polygon form which contacts with the inner surface of the housing at a plurality of contact lines and a small segment of guiding surface is provided between the hook and bottom surface of the plunger for more accurate insertion of the plunger into the vertical slot of the housing.
REFERENCES:
patent: 4493959 (1985-01-01), Viebrantz
patent: 4778952 (1988-10-01), Watkins et al.
patent: 4939324 (1990-07-01), English et al.
patent: 5203448 (1993-04-01), Osada et al.
patent: 5283408 (1994-02-01), Chen
patent: 5324902 (1994-06-01), Shen
Acer Peripherals Inc.
Scott J. R.
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