Geometrical instruments – Gauge – Target – weapon – or weapon projectile
Patent
1996-05-06
1997-07-08
DePumpo, Daniel G.
Geometrical instruments
Gauge
Target, weapon, or weapon projectile
33533, 473584, G01M 116
Patent
active
056448538
ABSTRACT:
A device for aligning a broadhead on an arrow shaft supports the shaft for rotation about its axis while the head is received in a centering fixture comprising a block of magnetic material having a tapered recess therein. The block is held by a permanent magnet, and the contacting surfaces of the magnet and block provide a floating mount for the block that permit it to seek a position aligning a broadhead, inserted in the recess, with the associated rotatably supported arrow shaft. Once aligned, the cement that secures the head to the shaft is allowed to harden to secure the head fast to the shaft in the aligned condition.
REFERENCES:
patent: D341758 (1993-11-01), Egan
patent: 3846998 (1974-11-01), Lock
patent: 3859728 (1975-01-01), Shutt
patent: 4203308 (1980-05-01), Davis
patent: 4497207 (1985-02-01), Schaaf
patent: 4562647 (1986-01-01), Bengston
patent: 4623410 (1986-11-01), Hillesheim et al.
patent: 5061008 (1991-10-01), Saunders
patent: 5121549 (1992-06-01), Gadousky, Jr.
patent: 5533272 (1996-07-01), Bagwell
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