US PATENT SUBCLASS 188 / 161
.~.~ Electromagnet


Current as of: June, 1999
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188 /   HD   BRAKES

*  DD  OPERATORS {11}
158  DF  .~ Electric {2}
161.~.~ Electromagnet {3}
162  DF  .~.~.~> Rotary motor
163  DF  .~.~.~> Solenoid
164  DF  .~.~.~> Magnetic circuit {1}


DEFINITION

Classification: 188/161

The brakes are operated by an electromagnet.

SEE OR SEARCH CLASS

192, Clutches and Power-Stop Control,

84.1+, for an electrically actuated clutch.

310, Electrical Generator or Motor Structure,

77, for an electrical generator or motor structure including an electromagnetic braking system.

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,

281, for the particular structure of the core or pole shape or structure or material of the electromagnetic device.