US PATENT SUBCLASS 254 / 128
.~.~.~ Block and tackle

Current as of: June, 1999
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254 /   HD   IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE

120  DF  SINGLE THROW LEVER {6}
124  DF  .~ Mechanically actuated {2}
127  DF  .~.~ Cable {1}
128.~.~.~ Block and tackle

DEFINITION

Classification: 254/128

Block and tackle:

(under subclass 127) Pushing and pulling implement of the single throw lever type comprising block and tackle mechanism for actuating the lever.

SEE OR SEARCH THIS CLASS, SUBCLASS:

127, for block and tackle actuated by a winding drum.