Lumber stamper

Woodworking – Process – Embossing or imprinting

Patent

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Details

29432, 101 4, 101 35, 101 931, 144 48, 144329, 144380, 427284, B27M 100, B05D 312

Patent

active

057753970

ABSTRACT:
The ends of a plurality of stacked lumber pieces are embossed with an apparatus that includes an embossing plate having a vertical, planar embossing surface with three-dimensional indicia thereon; a press plate spaced from the embossing plate, the press plate including a plurality of adjacent press plate segments, each having a lumber contact surface facing the embossing surface, each of the contact surfaces being movable between a retracted position and an extended position toward the embossing plate; a lumber support for supporting a plurality of stacked, parallel lumber pieces with first and second opposed ends between the plates with the first end of the lumber pieces being toward the embossing plate and the second end of the lumber pieces being toward the press plate; drive means attached to the press plate segments to independently move the plate segments between retracted and extended positions; and a controller operatively associated with the drive means to actuate the drive means in a predetermined sequence.

REFERENCES:
patent: 1400223 (1921-12-01), McDonough
patent: 1853773 (1932-04-01), McDonough
patent: 2691341 (1954-10-01), Williams
patent: 4169173 (1979-09-01), Bergholm et al.
patent: 4324519 (1982-04-01), Moore
patent: 4392204 (1983-07-01), Prim
patent: 5392829 (1995-02-01), McDonald et al.

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