Amusement devices: games – Problem eliciting response
Patent
1990-02-08
1991-11-19
Shapiro, Paul E.
Amusement devices: games
Problem eliciting response
F42B 608
Patent
active
050660217
ABSTRACT:
An archery arrow system incorporating a series of arrowheads each of which is capable of dampening the inertial shock that it transmits to the shaft it is mounted on during acceleration. The system includes a lightweight hunting arrowhead configured to force matter forward with a series of graduated stepped punching inclined surfaces embodying a punching slide pin assembly which employs rotating two-stage integral cam blades that open upon impact, adjust to a narrow cutting diameter while penetrating bone, and retract when withdrawn from game. An alternative slide pin mechanism is incorporated with the hunting arrowhead in order that it may be used as a practice arrowhead having the same shock absorbing and flight characteristics, but without the blade cutting ability. Further included in the system is a tournament target arrowhead having a superior shock absorbing slide pin mechanism which is housed in an elongated main body that may be inserted into the end of an arrow shaft.
REFERENCES:
patent: 2859970 (1958-11-01), Doonan
patent: 4099720 (1978-07-01), Zeren
patent: 4504063 (1985-03-01), LeBus
patent: 4579348 (1986-04-01), Jones
patent: 4729320 (1988-03-01), Whitten, III
Shapiro Paul E.
Yuter S. C.
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