Pulley block assembly for aerial line

Details Pulley block assembly for aerial line Pulley block assembly for aerial line

1985-07-08

1987-09-01

Levy, Stuart S.

Implements or apparatus for applying pushing or pulling force

Device or member for contacting and guiding moving cable

Including rotatable, cable contacting, pulley wheel element

2541343R, 254400, 254406, 254411, B66D 306, H02G 102

Patent

active

046903810

ABSTRACT:
A pulley block assembly having a pulley block unit for an aerial line, comprising a pulley frame, a pulley rotatably supported by the pulley frame, and an inverting guide roller rotatably supported by the pulley frame opposite to the pulley in the pulley frame. The inverting guide roller has a peripheral helical groove in which the aerial line can be frictionally fitted.

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