Laser arbor

Details Laser arbor Laser arbor

1997-03-10

1999-01-26

Rachuba, Maurina T.

Cutting

Processes

83520, 834713, 83490, 408 16, 451 6, B26D 700, B27B 520, B27B 900

Patent

active

058627278

ABSTRACT:
A laser arbor is provided that will display a cutting line on a work piece to be cut by a rotary saw. The laser is operated by a centrifugal switch mounted within the laser arbor along with a laser diode or the like and a battery. Because of the rotation of the laser with the blade and the persistence of the human eye, the moving light spot from the laser appears as a single line, hence it is not necessary as in the prior art to produce light divergence in the plane parallel to the blade plane. For that purpose, it is preferable to employ a light source having a wavelength that lies in a region to which the eye is sensitive, which in practice will typically mean a wavelength in the upper region of the red. Placement of the laser inwardly from the cutting surface of the blade eliminates the danger of any damage occurring to the laser as a result of debris from the cutting process.

REFERENCES:
patent: 4469931 (1984-09-01), Macken
patent: 4885967 (1989-12-01), Bell et al.
patent: 5121188 (1992-06-01), Patridge et al.
patent: 5285708 (1994-02-01), Bosten et al.
patent: 5375495 (1994-12-01), Bosten et al.
patent: 5446635 (1995-08-01), Jehn
patent: 5461790 (1995-10-01), Olstowski

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