LOGGING METHOD AND APPARATUS Russian patent published in 2001 - IPC

Abstract RU 2173514 C1

FIELD: forestry. SUBSTANCE: method involves logging timber by traction along logging corridor to reception zone by means of traction-type closed flexible device to which fell trees are preliminarily choked. Logging is effectuated from highest to lowest point of site. Tree is choked at full length by means of two chokers attached in single point on flexible device. Apparatus has traction-type closed flexible device made in the form of rope and adapted for logging fell trees, rear blocks mounted in the vicinity of ground surface, tension unit, drive, and mechanism for transporting logged trees from reception zone to warehousing zone. Transporting mechanism is formed as auxiliary traction-type closed flexible device equipped with independent drive and blocks. Main and auxiliary devices intersect one another in reception zone. Method and apparatus are used for performing primary timber transportation works, in particular, for timber logging on steep slopes, and may be used in rope-type load transportation apparatuses. EFFECT: simplified construction, decreased metal usage and reduced power construction. 13 cl, 2 dwg

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RU 2 173 514 C1

Authors

Prokof'Ev E.P.

Dates

2001-09-20Published

2000-05-24Filed