Sawmill apparatus having cant supporting means

Details Sawmill apparatus having cant supporting means Sawmill apparatus having cant supporting means

1980-03-27

1982-03-02

Yost, Frank T.

Cutting

With product handling means

Means to move, guide, or permit free fall or flight of product

83157, 834252, 834351, 83708, 83808, B27B 1300, B27B 2908, B27B 3108

Patent

active

043173985

ABSTRACT:
A sawmill apparatus includes first and second carriages for supporting first and second logging dogs therebeneath, with the second carriage being movable upon the first whereby to engage the ends of a log between the dogs. The carriages support the dogs at the end of steel baldes which are moved in a vertical direction by a combination of air cylinders and ball screws to provide the desired positioning of the log in a vertical direction. As the carriages urge the log between the blades of a bandsaw, rubber tired wheels are raised against the underside of the log for supporting cants or boards sawn therefrom and preventing splitting at the finally sawn edge.

REFERENCES:
patent: 524136 (1894-08-01), Edgar
patent: 618653 (1899-01-01), Farr
patent: 693809 (1902-02-01), Thomas
patent: 767397 (1904-08-01), Fairfield
patent: 1381183 (1921-06-01), Gray
patent: 1567289 (1925-12-01), Munroe
patent: 3786712 (1974-01-01), Mackin
patent: 3863530 (1975-02-01), Weidman
patent: 4206673 (1980-06-01), Detjen

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