Cable machine control

Traversing hoists – Overhead – Cable

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Details

212 90, 212 91, 212163, 212164, 414 2, 37DIG1, B66C 1314

Patent

active

051079976

ABSTRACT:
Cable machine control, particularly a grapple yarder is provided with an integrated control system whereby the operator is provided with controls each of which controls a desired operation or movement of the grapple. In particular the controls include a haul back and an in direction control, an up and down control and an opening and closing control some of which may be operated simultaneously with the speed of any operation or movement dependent on the maximum displacement of the control for any selected operation or movement.

REFERENCES:
patent: 3051326 (1962-08-01), Brandt
patent: 3293381 (1966-12-01), Eitel
patent: 3407942 (1968-10-01), McIntyre et al.
patent: 3427902 (1969-02-01), Smith
patent: 3436056 (1969-04-01), Thompson
patent: 3523614 (1970-08-01), Walker
patent: 3523615 (1970-08-01), Anderson et al.
patent: 3543946 (1970-12-01), McIntyre et al.
patent: 3707093 (1972-12-01), Warden
patent: 3723687 (1973-03-01), Adkinson
patent: 3831772 (1974-08-01), Jorgenson
patent: 3870161 (1978-03-01), Cording
patent: 4756655 (1988-07-01), Jameson
Washington Iron Works; Model 108, "Skylok" Yarder; two pages (sides 1 and 2).

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