Apparatus for pulling on a line

Details Apparatus for pulling on a line Apparatus for pulling on a line

1989-09-15

1992-01-21

Matecki, Katherine

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

254265, 226171, B66D 100

Patent

active

050822489

ABSTRACT:
Apparatus is described for pulling on a line, such as a wire cable. The apparatus has a driving pulley with a circumferential groove in which a loop of the load run of the line is held. A pressure application unit is provided to press the line into the line groove towards the end of the loop. This unit has a guide piece around which a chain runs, with a running surface shaped to run parallel to the line groove which it opposes. Means are provided to press the guide unit and chain bodily onto the edge of the driving pulley, so that pressure elements spread along the chain press on the line loop. The pressure elements roll on rollers along the guide unit running surface, which is at least as long as two pressure elements so as to provide an even force on the line.

REFERENCES:
patent: 1716229 (1929-06-01), Immel
patent: 1759105 (1930-05-01), Evans
patent: 2875890 (1959-03-01), Good
patent: 2938707 (1960-05-01), Allenbaugh
patent: 3729173 (1973-04-01), Levardon
patent: 4139178 (1979-02-01), Hippach

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