Apparatus for sawing a workpiece

Woodworking – With use of control means energized in response to activator... – Including plural sensors or sensor responsive to comparison...

Reexamination Certificate

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Details

C144S398000, C144S404000, C144S408000, C144S003100, C144S039000, C083S075500, C083S364000, C083S368000

Reexamination Certificate

active

06991012

ABSTRACT:
A method of forming a workpiece into sectioned parts using a pair of laterally translatable chipping heads and, downstream, a cutting device of the type having a plurality of rotatable cutting members mounted for rotation on a common axis which is movable and including workpiece transport means for moving the workpiece from a starting position to a final position along a path which extends first past the chipping heads and then past the cutting device.

REFERENCES:
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patent: 4440203 (1984-04-01), Ostberg
patent: 4485861 (1984-12-01), Nilsson et al.
patent: 4548247 (1985-10-01), Eklund
patent: 4599929 (1986-07-01), Dutina
patent: 4637443 (1987-01-01), Jansson
patent: 4879659 (1989-11-01), Bowlin et al.
patent: 4881584 (1989-11-01), Wislocker et al.
patent: 4947909 (1990-08-01), Stroud
patent: 5143127 (1992-09-01), Rautio
patent: 5232030 (1993-08-01), Knerr et al.
patent: 5421386 (1995-06-01), Lundstrom
patent: 5469904 (1995-11-01), Kontiainen
patent: 5722474 (1998-03-01), Raybon et al.
patent: 5761979 (1998-06-01), McGehee
patent: 2022857 (1996-04-01), None
patent: 2 068 294 (1981-08-01), None

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