Feeding and data entry system for lumber trimmer

Details Feeding and data entry system for lumber trimmer Feeding and data entry system for lumber trimmer

1984-10-01

1987-01-20

Gruber, Felix D.

Boots, shoes, and leggings

144367, 198362, 209521, 364189, G06F 1546, G05B 1919

Patent

active

046384405

ABSTRACT:
In a feeding and data entry system for a lumber trimmer, the data entry zone is located upstream and substantially adjacent a lug loader. An operator reads the grader's marks when each incoming board is stopped and inputs the data into a programmable logic controller having a first-in, first-out memory unit. Once the data is input, the respective board is loaded into the next set of lugs on the lug chain and travels through the trimmer. The controller causes the correct saws to move into the path of the board to make the proper cuts. The controller then directs the trimmed board to its proper sort location.

REFERENCES:
patent: 3759384 (1973-09-01), Holmberg et al.
patent: 3931501 (1976-01-01), Barr et al.
patent: 4069851 (1978-01-01), Bibler
patent: 4086496 (1978-04-01), Berry
patent: 4158766 (1979-06-01), Sjodin
patent: 4181947 (1980-01-01), Krauss et al.
patent: 4195346 (1980-03-01), Schroder
patent: 4305128 (1981-12-01), Manabe et al.

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