Mechanical guns and projectors – Element – Trigger or releasing mechanism
Patent
1991-12-06
1993-04-20
Kundrat, Andrew V.
Mechanical guns and projectors
Element
Trigger or releasing mechanism
124 1, 124 86, 482124, F41B 518
Patent
active
052033147
ABSTRACT:
To alleviate the problem that a considerable amount of force is required by an archer to bend the bow by pulling or drawing the bowstring, this invention introduces an auxiliary force aid to supplement the manual force of the archer's arm for drawing the bowstring. Thus, an elastic member anchored to the archer's body is stretched to store a force when the archer's arm reaches for the bowstring to draw it, and the stored force from the stretched elastic member supplements the manual force provided by the archer's arm in a vectorial direction for drawing the bowstring thereby to make the drawstring easier to draw. The elastic member, typically a bungee cord, is affixed to a body harness held on the upper torso by a shoulder strap for movement and stretching along the line of travel of the archer's hand when reaching for the bowstring to draw it. Thus, the peak drawing force exerted by the archer is reduced by distributing it over the reciprocal reaching and drawing motions of the archer's arm.
REFERENCES:
patent: 2097376 (1937-10-01), Marshman
patent: 3072115 (1963-01-01), Johnson
patent: 4041926 (1977-08-01), Troncoso et al.
patent: 4458659 (1984-07-01), Troncoso
patent: 4911439 (1990-03-01), Kuhl
patent: 4993705 (1991-02-01), Tolle
patent: 5020508 (1991-06-01), Greene
Brown Laurence R.
Kundrat Andrew V.
Ricci John
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