Geometrical instruments – Straight-line light ray type – Structurally installed
Patent
1979-09-17
1981-12-15
Stephan, Steven L.
Geometrical instruments
Straight-line light ray type
Structurally installed
F41G 100, F41B 500
Patent
active
043052088
ABSTRACT:
A new and improved sighting device and range-finder and sighting device combination wherein the elemental sighting devices incorporate a sighting screw disposed within and through first and second separate mounting members having corresponding aligned apertures, one of the sighting members incorporating interiorly threaded means. The sighting devices themselves are constructed and arranged for gripping or clamping onto an elongate member and are selectively adjustable thereon. In a preferred form of the invention, irregular mating surfaces of such elongate member and the respective sighting devices used, prevent inadvertent slippage of such devices on the elongate member. The split-construction of the respective bodies sighting members enable users to install easily certain range indication markings as necessary, this obviating prior manufacturing expense. Fore and aft sighting-device mounting is provided. Vibrations during archery bow use, when such bows incorporate the range-finder, sighting device mechanism herein, will not disturb the unique, releasable mountings of individual sighting device elements on the elongate member of the unit.
REFERENCES:
patent: 2542501 (1951-02-01), Fredrickson
patent: 2767472 (1956-10-01), Kocur
patent: 2875522 (1959-03-01), Merrill et al.
patent: 2987820 (1961-06-01), Butts
patent: 2998652 (1961-09-01), Zielinski
patent: 3013336 (1961-12-01), Pennington
patent: 3084442 (1963-04-01), Jacobson et al.
patent: 3355809 (1967-12-01), Gurton
patent: 3599337 (1971-08-01), Snodgrass
patent: 3696517 (1972-10-01), Larson
patent: 4020560 (1977-05-01), Heck
Shaffer M. Ralph
Stephan Steven L.
LandOfFree
Sighting apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Sighting apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sighting apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1898199