Illumination – Light source and modifier – Laser type
Patent
1996-08-16
1997-11-25
Cariaso, Alan
Illumination
Light source and modifier
Laser type
362190, 362194, 362388, 362414, F21L 1508
Patent
active
056904185
ABSTRACT:
A laser pointer including a hexagonal laser module case holding a laser module for projecting a laser beam, a hexagonal battery case longitudinally spaced from and connected to the laser module case by connecting plates and having a point at the bottom for aiming at a reference point on the ground during a correction of vertical alignment, a rack having a center block with a conical top tip supported between the laser module case and the battery case, and three equiangularly spaced legs respectively pivoted to the rack outside the battery case, the legs having a respective longitudinal outer plane, which is disposed in parallel with the laser beam of the laser module when the legs are collapsed, and a level mounted on the longitudinal outer plane of one leg for determining, or adjusting the longitudinal outer plane of the respective leg on, an even horizontal plane.
REFERENCES:
patent: 2237536 (1941-04-01), Wells, Jr.
patent: 3775929 (1973-12-01), Roodvoets et al.
patent: 3909952 (1975-10-01), Lagasse
patent: 3911588 (1975-10-01), Ohneda
patent: 5012585 (1991-05-01), DiMaggio
patent: 5163229 (1992-11-01), Cantone
patent: 5319365 (1994-06-01), Hillinger
patent: 5537205 (1996-07-01), Costa et al.
Cariaso Alan
Klein David I.
Rosenberg Morton J.
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