Electricity: circuit makers and breakers – Solid contact – Push button operated
Reexamination Certificate
2007-08-07
2007-08-07
Lee, K. (Department: 2832)
Electricity: circuit makers and breakers
Solid contact
Push button operated
C200S341000, C200S564000
Reexamination Certificate
active
11497438
ABSTRACT:
A normally closed (on) switch with an on-off fixed structure comprises at the center a seat having a sleeve inside which a push part and an elastic component; a top cover provided on the seat, of which the center is formed with a piercing hole corresponding to the sleeve; a movable ring provided in the hole, of which one end is formed with a flange around that is provided with a guidance groove corresponding to each pillar, and inside which more than one recessed portions are formed; and a movable button provided in the ring and associated with the push part, of which one end is formed with a raised part corresponding to more than one recessed portion formed inside the fringe of ring and the other end is formed with a groove. The button is pushed, rotated at a certain angle, and released to enable and disable the switch.
REFERENCES:
patent: 4064381 (1977-12-01), Mullen et al.
patent: 5304753 (1994-04-01), Parrish et al.
patent: 6180899 (2001-01-01), Passow
patent: 6198058 (2001-03-01), Graninger et al.
patent: 6483061 (2002-11-01), Harvey et al.
patent: 6822173 (2004-11-01), Schafer
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