Patent ID: 6675848
Filing Date: 2004-01-13
Classification: A01G

Abstract:
A method of harvesting standing trees in a jungle comprising the steps of:constructing a main road across a pre-determined area of a jungle block comprised of a plurality of sub-blocks; constructing a spur road leading from the main road to a log-landing area for at least one of said sub-blocks, said at least one sub-block being bordered along at least at one side thereof by at least a portion of the main road; radially extending a plurality of snig tracks from the log landing area of said at least one sub-block; positioning a crane having an elongate boom structure within the jungle block and outside of said sub-block; using the boom of the crane to lift an operator up to the crown portion of a standing tree; the operator then cutting off the crown portion of the standing tree; securing a sling carried on the boom structure to the crownless standing tree to be harvested; moving the operator away from the standing tree; cutting the crownless standing tree from its base and lifting the cut tree in a suspended manner with the sling and the boom structure; and laying the cut crownless tree at the log landing area.