Rotary switch

Details Rotary switch Rotary switch

1987-10-28

1989-06-06

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

200 11G, 200 11K, 2003021, H01H 1906, H01H 904, H02B 104

Patent

active

048374130

ABSTRACT:
A rotary switch, adapted to be secured to a panel, comprises a stator having a bearing flange provided with a cylindrical side wall and an underside; a circumferential groove provided in the side wall and an annular groove provided in the underside; and a rotor extending over the bearing flange and having a cylindrical side wall surrounding the cylindrical side wall of the bearing flange. The rotor is rotatably supported on and relative to the stator. There are further provided a stationary contact mounted in the stator; a movable contact carried by the rotor for displacement relative to the stationary contact upon turning of the rotor; and a first sealing ring received in the circumferential groove and projecting radially outwardly from the cylindrical side wall of the bearing flange. The first sealing ring sealingly and slidably engages the cylindrical side wall of the rotor. The rotary switch further has a second sealing ring received in the annular groove and projecting outwardly from the underside of the bearing flange.

REFERENCES:
patent: 3300594 (1967-01-01), Paine et al.
patent: 3311718 (1967-03-01), Allison et al.
patent: 3736390 (1973-05-01), Locklard
patent: 4490588 (1984-12-01), Guenther et al.

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