Remote controlled line locking, slack pulling cable logging carr

Details Remote controlled line locking, slack pulling cable logging carr Remote controlled line locking, slack pulling cable logging carr

1983-05-09

1984-06-26

Blix, Trygve M.

Traversing hoists

Overhead

Cable

212 87, 212 89, 212 92, 212122, 188 64, 188 43, 254379, B66C 2100, B61H 712, E01B 2922

Patent

active

044561318

ABSTRACT:
A remote controlled slack pulling log skidding carriage is provided for feeding a slack drag line toward a log to be skidded. A drive sheave rotatably mounted in the carriage is operated by a hydraulic motor. The fluid to operate the motor is stored in one or more accumulators, and a radio controlled valve starts and stops the flow of fluid to the motor. A mechanically operated hydraulic pump also is provided to recharge the accumulators during a skidding operation. A reciprocating locking assembly is provided to alternately lock the carriage to the skyline or to the slack line.

REFERENCES:
patent: 68874 (1867-09-01), Hawley
patent: 1121742 (1914-12-01), McCoy
patent: 3079008 (1963-02-01), Naud
patent: 3083839 (1963-04-01), McIntyre
patent: 3776390 (1973-12-01), Junes et al.
patent: 4109810 (1978-08-01), Jones
patent: 4164289 (1979-08-01), Halicwicz

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