US PATENT SUBCLASS 337 / 353
.~.~.~.~ Including cam and follower

Current as of: June, 1999
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337 /   HD   ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES

298  DF  THERMALLY ACTUATED SWITCHES {7}
333  DF  .~ With bimetallic element {9}
334  DF  .~.~ With manual or other mechanical contact control means {10}
351  DF  .~.~.~ Rotary or oscillatory motion means {2}
353.~.~.~.~ Including cam and follower

DEFINITION

Classification: 337/353

(under subclass 351) Subject matter including significant details of cam and follower mechanism whereby the torque generated by the thermal responsive device is transferred to the contact carrier or control means. For purposes of classification, a device comprising a pin and slot combination or a geneva wheel type movement are considered as cam and follower devices and are classified here.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

567+, for cam structure, per se.

200, Electricity: Circuit Makers and Breakers

19.03+, for periodic switches with combined rotary and cam structure in the contact control means, subclasses 19.13+ for multiple contact periodic switches with cam and subclass 19.20 for periodic switches, per se, with cam, subclass 38 for retarded switches with cam operator.

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets, 73, for motor driven electromagnetic switches with eccentric or cam means in the contact control means and subclass 190 for contact actuating means, per se, utilizing cam, roller or eccentric means.