Construction of knob for a switch

Details Construction of knob for a switch Construction of knob for a switch

1997-05-09

1999-02-02

Walczak, David J.

Electricity: circuit makers and breakers

Electric switch details

Indicators

200308, 200310, H01H 900

Patent

active

058653015

ABSTRACT:
A knob construction is provided for an operating knob which operates a lighted switch. A recess is formed in a surface of the operating knob and a projection is formed in the recess. A name plate substantially configured to the recess is melted to the projection in the recess by ultrasonic welding.

REFERENCES:
patent: 4135073 (1979-01-01), Kobayashi
patent: 4751385 (1988-06-01), Van Benthusysen et al.
patent: 4933523 (1990-06-01), Honda et al.
patent: 5605225 (1997-02-01), Schaeffer

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