Lumber cutting measurement apparatus and method

Details Lumber cutting measurement apparatus and method Lumber cutting measurement apparatus and method

1976-12-27

1978-04-25

Stephan, Steven L.

Geometrical instruments

Straight-line light ray type

Rod or target

33286, 356120, G01C 1506, G01B 1130

Patent

active

040855120

ABSTRACT:
Method and apparatus are disclosed for determining the straightness of a lumber cut. A transit type of precision telescope is positioned to view in a vertical sweep plane essentially parallel to that of the cut surface of the timber stock on the log carriage. A hand held scale is placed against the cut surface with a constant, spring controlled force in a plurality of positions distributed over the cut surface. The scale is read by the telescope in each position and the readings compared to determine the degree of straightness of the saw cut.

REFERENCES:
patent: 2840913 (1958-07-01), Houser
patent: 3498120 (1970-03-01), MacMillan
patent: 3775929 (1973-12-01), Roodvoets

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