Rotary vacuum valve and electric switch assembly

Details Rotary vacuum valve and electric switch assembly Rotary vacuum valve and electric switch assembly

1993-11-09

1995-04-11

Pellinen, A. D.

Electricity: circuit makers and breakers

Special application

Actuated concurrently with operation or use of art device

200 11J, 200 16C, H01H 906

Patent

active

054060419

ABSTRACT:
A two-piece housing defines a cavity containing electric switch elements and a detent mechanism positioned for optimum characteristics. Axially spaced apertures in the housing support a manually controlled shaft for rotation. The shaft is drivingly coupled to the movable switch elements and the detent mechanism. A floating valve assembly, operated by the shaft and aligned by the shaft, is mounted on the outside of the housing on projections which flexibly support a valve stator containing vacuum ports. A rotor holds a selector plate against the stator for interconnecting ports. The rotor is keyed to the shaft for rotation and is spring biased toward the stator.

REFERENCES:
patent: 4730090 (1988-03-01), Raab et al.
patent: 4892984 (1990-01-01), Clark et al.
patent: 5250770 (1993-10-01), Cummings

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