US PATENT SUBCLASS 212 / 116
.~.~.~ Trips, stops and knockers

Current as of: June, 1999
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212 /   HD   TRAVERSING HOISTS

71  DF  OVERHEAD {7}
76  DF  .~ Cable {8}
97  DF  .~.~ Load suspension {8}
116.~.~.~ Trips, stops and knockers

DEFINITION

Classification: 212/116

Trips, stops, and knockers:

(under subclass 97) Details of the knocker blocks, stops, and trips which are used in load-suspension cable hoists for the purpose of tripping the load-suspending means and allowing the load-hook or support to be detached from the carriage. They also usually hold the carriage in a fixed position on the track until the next load is hoisted and attached to the carriage.

SEE OR SEARCH THIS CLASS, SUBCLASS:

83+, and 97+, for load suspension cable hoists having some special means for receiving, engaging, gripping, discharging, or releasing a load.