US PATENT SUBCLASS 200 / 407
.~.~ Blade element stressed to twisted configuration

Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

402  DF  SNAP {4}
405  DF  .~ Double snap {17}
407.~.~ Blade element stressed to twisted configuration

DEFINITION

Classification: 200/407

Blade element stressed to twisted configuration:

(under subclass 405) Subject matter wherein the moveable contact is moved by a planar spring which is prestressed to have two stable positions separated by maximum stress over center position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

453+, for blades which are bent in a U-shape and act as a compression spring.