Variable curve linebar

Details Variable curve linebar Variable curve linebar

1985-11-01

1987-01-06

Bray, W. D.

Woodworking

Feeder or presser

831021, 83446, 834411, 144 41, 144253H, 144376, 144378, B27C 112

Patent

active

046339248

ABSTRACT:
The present invention is a linebar assembly for guiding a cant or log into a saw. It comprises a flexible linebar which can be bent from a straight-line configuration to one approximating a circular arc having a minimum radius of about 30 m. The linebar can be configured into a circular arc which approximates the curvature of a cant or a log having sweep as great as about 100 mm in 5 m of length. The cant is fed into the saw along a circular path to achieve significantly higher lumber recovery. Extended tests have shown that this recovery will be 20-30% greater than that obtained using conventional straight-line sawing methods without any reduction in grade recovery.

REFERENCES:
patent: 259661 (1882-06-01), Bowker
patent: 351303 (1886-10-01), Woods
patent: 1263443 (1918-04-01), Lien
patent: 3665984 (1972-05-01), Ackerfeldt
patent: 3685556 (1972-08-01), VanSickle
patent: 4144782 (1979-03-01), Lindstrom
patent: 4219056 (1980-08-01), Lindstrom
patent: 4373563 (1983-02-01), Kenyon
patent: 4416312 (1983-11-01), Ostberg

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