US PATENT SUBCLASS 188 / 69
.~ Positive lock

Current as of: June, 1999
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188 /   HD   BRAKES

*  DD  WHEEL {10}
69.~ Positive lock

DEFINITION

Classification: 188/69

Brakes for wheels that positively stop rotation.

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31, and 60.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

813+, for turrets which may have a positive locking means.