Apparatus for positioning switch knob

Details Apparatus for positioning switch knob Apparatus for positioning switch knob

1997-05-27

1999-01-26

Marmor, Charles A.

Machine element or mechanism

Control lever and linkage systems

Elements

200548, G05G 506, H01H 1502

Patent

active

058627146

ABSTRACT:
In a lamp body to which a switch knob is attached, an opening corresponding to the switch knob is formed. Opening has opposing sidewalls, and on each of the sidewalls, three grooves are provided. On one surface of a knob body of the switch knob, a pair of projecting pieces are provided spaced from each other by such a distance that allows the projecting pieces to be in contact with the sidewalls of the opening, and at each of the projecting pieces, a beam portion is formed. On each of the beam portions, a projection is provided on the outer surface, and stable engagement with the vertical groove is realized.

REFERENCES:
patent: 3242297 (1966-03-01), Piber
patent: 4190754 (1980-02-01), Kilar
patent: 4441000 (1984-04-01), Suwa
patent: 4506119 (1985-03-01), Tanabe
patent: 4994636 (1991-02-01), Wang
patent: 5147990 (1992-09-01), Dionisio, Jr. et al.
patent: 5315079 (1994-05-01), Gierut
Office Action from the Patent Office of the People's Republic of China dated Apr. 29, 1997 and English Translation thereof.

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