Mechanical guns and projectors – Spring
Patent
1992-12-28
1994-10-11
Reese, Randolph A.
Mechanical guns and projectors
Spring
124 231, 124 256, F41B 700, F41B 510
Patent
active
053537777
ABSTRACT:
A spring loaded compound bow having a diminishing draw weight and quick take down feature is comprised of rotatable housings suspended from axles through each bifurcated end of a bow riser having a channel running lengthwise through it to accommodate synchronizing cables which cause the housings to rotate inward in opposite directions. A pair of bow limbs are suitably fashioned to conform to the contour of each housing and is secured by a nut and bolt system which also serves to attach the synchronizing cables to the housings. Within each housing is an energy storing device which is activated by a variable ratio energy transmitting device also located within the housings. A bow string connects the limb tips, one to another. As the archer grasps the riser handgrip and pulls the string, the limbs begin to rotate the housings inwardly, causing the variable ratio energy transmitting device to compress the energy storing device, thus storing the energy necessary to propel the arrow when the string is released. A wrench turns the housing axle causing cam lobes on the axle to force the energy storing device against the variable ratio energy transmitting device thus increasing or decreasing the bow's drawing weight.
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Reese Randolph A.
Ricci John
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