Amusement devices: games – Surface projectile game; game element – Simulated game
Patent
1985-11-06
1987-07-28
Marlo, George J.
Amusement devices: games
Surface projectile game; game element
Simulated game
273 54B, 273 29A, 403111, 128 77, A63B 6936
Patent
active
046827765
ABSTRACT:
An arm-straightening device for selectively locking an arm in a straight position, so that a bowler, or the like, is prevented from bending the arm during delivery, but which automatically allows the arm to bend during follow-through. A pair of semicircular-shaped, arm-shells are pivotally connected together at adjacent end-portions. An elastic, elongated band is positioned on the rear surfaces of the two shells and held in a first, stable state by a series of pins projecting from the rear surfaces of the shells. The band, in its first state, tends to keep the shells in an aligned, rectilinear orientation to keep the arm to which they are secured straight. Upon the application of sufficient force by the lower arm, in order to bend it, the elongated, elastic band is caused to take a second, stable state that tends to bias the shells into a bent orientation to keep the arm in its bent position for follow-through, or the like. The band is kept in its second, stable state by stop-pins projecting from the rear surface of at least one shell, which stop-pins lie on the opposite side of the pivot-axis of the shells as compared to the other pins when the other pins are in the first, stable state. The first state of the elastic band and the shells is also automatically assumable by the application of sufficient torque from the lower arm tending to straighten the arm.
REFERENCES:
patent: 1226160 (1917-05-01), Allis
patent: 1457710 (1923-06-01), MacDonald
patent: 3594007 (1971-07-01), Kalberer
patent: 3689389 (1972-10-01), Guedel
patent: 3970305 (1976-07-01), Hawkins
patent: 4132407 (1979-01-01), Davis
patent: 4333647 (1982-06-01), Schaefer
patent: 4359221 (1982-11-01), Taylor
patent: 4367872 (1983-01-01), Langston
Langston Herbert
Mitchell William
Benn Marvin N.
Gerstein Milton S.
Marlo George J.
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