Marking station for timber

Details Marking station for timber Marking station for timber

1990-02-27

1991-08-27

Bell, Paul A.

Cutting

With means to monitor and control operation

Including means to correct the sensed operation

83 768, 83365, 83368, 83371, B27L 508

Patent

active

050423410

ABSTRACT:
A marking station for defect locations and quality limits in timber includes a timber transporting device, a transporting speed changing device, and an indicating station part with a laser transmitting element formed as a mirror, and laser. The laser is arranged stationary so that the laser beam extends parallel to a movement direction of the timber and impinges on the mirror. The mirror deviates the laser beam transversely to the movement direction. The laser beam indicates on the timber, in the movement direction, a first separating plane before a defect location and a second separating plane behind the defect location. The laser beam also indicates quality limits. Indicating positions of the laser transmitting element are transmitted to a computer.

REFERENCES:
patent: 4914269 (1990-04-01), Kinsman et al.
patent: 4934229 (1990-06-01), Greten et al.

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