Traversing hoists – Overhead – Cable
Patent
1974-07-12
1976-09-07
Spar, Robert J.
Traversing hoists
Overhead
Cable
212 7, 212 44, 212 48, 294106, 294118, 294110R, B66C 2300
Patent
active
039789900
ABSTRACT:
The carriage of the skidder is equipped with an elongated boom and a haulback cable, and there are power driven means on the boom for paying out the attachment end of the cable to the site of the logs, and power driven means on the carriage for hauling in the cable after it has been attached to the logs. There are also means on the boom whereby an operator can use the boom to attach the cable to the logs, and/or to transport himself to and from the site of the logs, so that in the alternative, he may attach the cable to the logs. If the boom is used to attach the cable, the pay out means is adapted so that the operator can detach the boom from the cable, and actuate the haul-in operation, from a point adjacent the haul-in means, such as from a point on the carriage. If the operator himself attaches the cable, the boom is adapted so that the operator can detach the cable from the boom, and actuate the haul-in operation, from a point adjacent the site of the logs, such as from a point on the distal end portion of the boom.
REFERENCES:
patent: 718079 (1903-01-01), Bindhammer
patent: 2801759 (1957-08-01), Adams
patent: 3268090 (1966-08-01), Wirkkala
patent: 3308967 (1967-03-01), Barkley et al.
patent: 3576202 (1971-04-01), Spanjer
patent: 3781056 (1973-12-01), Ransford et al.
Duffy Christopher
Oresky Lawrence J.
Spar Robert J.
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