US PATENT SUBCLASS 248 / 572
.~.~ Variable effective diameter pulley, e.g., fusee, etc.

Current as of: June, 1999
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248 /   HD   SUPPORTS

560  DF  RESILIENT SUPPORT {16}
571  DF  .~ Constant thrust {1}
572.~.~ Variable effective diameter pulley, e.g., fusee, etc.

DEFINITION

Classification: 248/572

Variable effective diameter pulley, e.g., fusee, etc.:

(under subclass 571) Structure comprising a pulley or segment thereof which has a working diameter which is variable in dimension, e.g., fusee.