Geometrical instruments – Straight-line light ray type – Multisight line
Patent
1991-09-09
1993-05-11
Will, Thomas B.
Geometrical instruments
Straight-line light ray type
Multisight line
33248, 33246, 42101, F41G 134
Patent
active
052089894
ABSTRACT:
A sight viewing apparatus (10) is disclosed in the preferred form including an extruded tubular portion (12) slideably received on an extruded body portion (56). A lens (36) is captured by first and second extruded collars (42, 44) slideably received within the tubular portion (12). A light bulb (146), spring (148), battery (152), and bolt (154) are received in a first bore (142) in the body portion (56). Light from the enclosed bulb (146) passes through a second bore (144) formed in the body portion (56) and intersecting with the first bore (142) and through removed portions (54, 156) formed in the collar (42) and the tubular portion (12). A lens assembly (96) is attached to a slide (110) by a bolt (106) and dowel pin (108) to allow lateral or windage positioning relative to the front lens (36), and the slide (110) is adjustably positionable on an angular surface (88) to allow elevational positioning relative to the front lens (36). The inside surface of the collar (42) is reflective to reflect the light passing into the tubular portion (12) to illuminate markings (40, 105) of iridescent matter on the lenses (36, 100). Mounting provisions (68) is further provided on the body portion (56) to allow mounting the apparatus (10) on a firearm or the like.
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patent: 4734990 (1988-04-01), Sanders
patent: 4859058 (1989-08-01), Ekstrand
patent: 5025564 (1991-06-01), Sanders
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