Logging carriage

Details Logging carriage Logging carriage

1977-07-25

1979-08-14

Makay, Albert J.

Traversing hoists

Overhead

Cable

104113, 104183, 212 76, B66C 2100, B61B 700, F01B 2514

Patent

active

041642899

ABSTRACT:
A logging carriage is mounted by hinged sheaves for travel along an elevated cable for the conveyance of felled logs to a log unloading site. The carriage is moved in one direction along the elevated cable by an in haul line which is attached at one end to a powered drum in a yarder. The carriage is moved under the force of gravity in a second direction. The other end of the inhaul line is attached to a spring powered rotatable drum structure mounted on the logging carriage. A drop line for raising and lowering felled logs is mounted on a portion of the spring powered rotatable drum. The spring powered rotatable drum structure is actuated by a compressed air actuated brake assembly. A clamp assembly is mounted on the logging carriage and is selectively engageable with the elevated cable to lock the logging carriage in a preselected position along the cable. The clamp and brake assemblies are controlled by solenoid valves and a radio receiver mounted on the logging carriage. The radio receiver and an air compressor are mounted on the logging carriage and are powered by a pulley and sprocket assemblies which are actuated in response to movement of the logging carriage along the elevated cable.

REFERENCES:
patent: 3247933 (1966-04-01), Hanna
patent: 3499544 (1970-03-01), Kolpe

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