Mechanical guns and projectors – Spring – Bow
Patent
1980-03-27
1982-07-13
Pinkham, Richard C.
Mechanical guns and projectors
Spring
Bow
124 90, F41B 500
Patent
active
043389104
ABSTRACT:
A compound bow having multiple pulley sheaves on a common axis at each distal end of the bow limbs, the sheaves having a cross-over groove which carries the bow string to the center of the bow limb during the draw of an arrow to prevent a twisting torque on the bow limbs at the periods of greatest stress and bending of the limbs.
REFERENCES:
patent: 4079723 (1978-03-01), Darlington
patent: 4187826 (1980-02-01), Killian
Browne William R.
Pinkham Richard C.
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