Geometrical instruments – Straight-line light ray type – Structurally installed
Patent
1980-03-31
1981-10-13
Stephan, Steven L.
Geometrical instruments
Straight-line light ray type
Structurally installed
F41G 146
Patent
active
042940176
ABSTRACT:
An archery sighting device which provides adjustment of the angle between an optical sight and an archery bow by sliding movement of a housing for the optical sight along a curved support member. A mounting bracket of the device is affixed to a side surface of the midsection of an archery bow. The curved support member providing angular adjustment of the optical sight has a radius of curvature proportional to the draw length of the archer, thus affording precise adjustment of the angle of the optical sight. A detent positioning arrangement is provided to enable the user to readily adjust the optical sight to the desired setting along the curved support member.
REFERENCES:
patent: 2542501 (1951-02-01), Fredrickson
patent: 2654152 (1953-10-01), Vite
patent: 2893124 (1959-07-01), Sundquist
patent: 2982026 (1961-05-01), Peterson
patent: 3284904 (1966-11-01), Rade
patent: 3410644 (1968-11-01), McLendon
patent: 3864836 (1975-02-01), Haines
patent: 4142297 (1979-03-01), Altier
"Archery", vol. 34 #12, Dec. 1962, p. 35.
Byrnes Bruce R.
Byrnes Robert J.
Burt Pamela S.
Shortley John L.
Stephan Steven L.
Weiner Irving M.
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