US PATENT SUBCLASS 361 / 617
.~.~.~.~ Shutter type

Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

600  DF  HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS {11}
601  DF  .~ For electrical power distribution systems and devices {10}
605  DF  .~.~ Electrical switchgear {9}
615  DF  .~.~.~ With interlock {2}
617.~.~.~.~ Shutter type

DEFINITION

Classification: 361/617

Shutter type:

(under subclass 615) Subject matter wherein the interlock means is in the form of a sliding guard or shutter which physically closes off connecting apertures to the switchgear contacts.

SEE OR SEARCH THIS CLASS, SUBCLASS:

607, for draw-out type interlocks which comprise shutters.