Geometrical instruments – Straight-line light ray type – Structurally installed
Patent
1977-10-17
1979-01-30
Stearns, Richard R.
Geometrical instruments
Straight-line light ray type
Structurally installed
F41G 146
Patent
active
041364619
ABSTRACT:
A sighting device is provided for a bow in which a sight is supported on a mount and the mount is mounted on a toothed rack. The mount has a worm gear thereon which meshes with the teeth of the rack to allow vertical adjustment of the mount and thus the sight with respect to the rack in order to adjust for altitude. The rack includes a standard scale thereon and a space for individualized markings of altitude gradations. Preferably, the rack is attached to a horizontal support having a slot extending therein. A bolt fits through the slot in the horizontal support and is screwed to a cradle secured to the bow in order to mount the sighting device on the bow.
REFERENCES:
patent: 3355809 (1967-12-01), Guyton
patent: 3574944 (1971-04-01), Reynolds
patent: 3787984 (1974-01-01), Bear et al.
patent: 3854217 (1974-12-01), Killian
patent: 3864836 (1975-02-01), Haines
patent: 4020560 (1977-05-01), Heck
Max Gasser AGF Produktion
Schwaab Richard L.
Stearns Richard R.
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