Geometrical instruments – Area integrators – Electrical
Patent
1982-02-08
1983-08-16
Pinkham, Richard C.
Geometrical instruments
Area integrators
Electrical
124 24R, F41B 500
Patent
active
043983545
ABSTRACT:
A compact, portable archery bow square head especially useful during hunting or field trips is provided which serves to accurately locate the nocking point on a bow string. The bow square head preferably includes a generally planar main member, a pair of spaced apart bow string-engaging clips projecting from the main member, a concical lug projecting outwardly from the main member in the same direction as the string-engaging clips, and an elongated, threaded lug projecting outwardly from the main member in opposed linear relationship with the conical lug. The conical lug is designed to support any of a variety of sizes of arrow nocks, and the threaded lug is designed to threadably receive the internally threaded, arrowhead fitting of an arrow shaft. The disclosed bow square head may be used to establish the nocking point on a bow string by attaching an arrow shaft and a nock on the appropriate lugs of the device, engaging the bow string within the bow string-engaging clips, and positioning the arrow shaft so as to come in contact with the arrow rest of the bow.
REFERENCES:
patent: 3088212 (1963-05-01), Smith
patent: 3600814 (1971-06-01), Smith
patent: 3651578 (1972-03-01), Saunders et al.
patent: 3969825 (1976-07-01), Mathes
BPE, Inc.
Browne William R.
Pinkham Richard C.
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