Log processing positioning means

Woodworking – Feeder or presser – Feed roll

Patent

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Details

144246G, 144249A, 144356, 144377, 364478, B27C 112

Patent

active

044718233

ABSTRACT:
Log processing positioning apparatus in which a log is brought to pass along a path from an input end of the same and through a log processing device at an output end of the path provided to divide the log into wood products. Between the input end and the processing device a scanner is provided to register the dimensions and shape of the log passing through the scanner. A computer is provided to receive and analyze the values registered by the scanner and relating to the dimensions and shape of the log by means of a program directed towards a number of cutting patterns and the position of the log in the processing device in order to divide the log into wood products so that the maximum yield is obtained. A first positioning device is provided to feed the log along the path, to move it transversally to the extension of the path and to turn the log along its longitudinal axis and provided to be governed by the computer in order to give the log said intended position. A further positioning device is provided to feed the log into the processing device and to hold the same in the intended position and if necessary adjust the position of the log so that the intended position is kept. The first positioning device is provided with an arrangement of rotable feeding rolls each with an axis transverse to the path and situated around the intended position for the log. Moving devices for the rolls are provided to move said rolls outwards and inwards in relation to the intended position for the log. Turning devices are provided to turn the arrangement of the rolls around said path and consequently the log around its center axis.

REFERENCES:
patent: 3981393 (1976-09-01), Landers
patent: 4027769 (1977-06-01), Hasenwinkle et al.
patent: 4127044 (1978-11-01), Kenyon

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