254 / | HD | IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE |
389 | DF | DEVICE OR MEMBER FOR CONTACTING AND GUIDING MOVING CABLE {2} |
390 | DF | .~ Including rotatable, cable contacting, pulley wheel element {9} |
393 | .~.~ Plural elements or element with plural cable contacting regions {2} | |
394 | DF | .~.~.~> At least two of the elements having noncollinear axes of rotation {3} |
401 | DF | .~.~.~> With portable block for elements and hand manipulated means for removably fastening block to support base or load {3} |