Geometrical instruments – Straight-line light ray type – Structurally installed
Patent
1983-11-28
1985-07-23
Haroian, Harry N.
Geometrical instruments
Straight-line light ray type
Structurally installed
F41G 100, F41G 146
Patent
active
045301638
ABSTRACT:
The device, according to the embodiment shown, comprises a pair of plates, coupled together, to define a base and a platform. Right-angular portions of the plates are adjustably fastened together, at common ends of the plates, and the opposite, common ends are adjustably fastened together by lengthy bolts which serve as stand-offs. By moving the right-angular portions of the plates into and out of proximity to each other, they can be disposed in parallel, or set at acute angles relative to each other, whereby a desired azimuth sighting can be achieved. The base has bolt holes formed therein for fastening of the device to either the right-hand or left-hand side of a bow, to accommodate right-handed or left-handed shooters or archers. The platform pivotably supports an elongate strip, and the latter can be slued through desired angles, relative to the platform, whereby a desired elevation sighting can be achieved. Adjacent opposite ends of the strip are tapped holes which receive a tapered pin and an eye-bolt in either usage disposition or stowage disposition. Further, the strip has trackways on the lateral edges thereof slidably to receive a boresight, telescope, or the like.
REFERENCES:
patent: 2959860 (1960-11-01), Kowalcyk
patent: 2982026 (1961-05-01), Peterson
patent: 3058221 (1962-10-01), McNeel
patent: 3266149 (1966-08-01), Powell
patent: 3271863 (1966-09-01), Harrington
Haroian Harry N.
Murphy Bernard J.
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