Mechanical guns and projectors – Spring – Bow
Patent
1979-02-23
1981-01-13
Pinkham, Richard C.
Mechanical guns and projectors
Spring
Bow
124 86, F41B 500
Patent
active
042443466
ABSTRACT:
A compound bow includes a pair of limbs each having a first end portion connected to a handle member and a second or free end portion. A bracket is connected to a free end portion of each limb of a compound bow. The bracket has a limb engaging portion positioned in abutting relation with the limb free end portion and a pair of plates extending outwardly therefrom. A pulley is positioned between the plates and is eccentrically and rotatably connected thereto. A continuous cable is reeved about the pulleys. Aligned bores extend through the bracket and limb free end portion. Fastening members extend through the aligned bores to secure the bracket to the limb. The bores through the limb have a diameter greater than the diameter of the fastening members. Thus the fastening members are secured to the bracket but are removed from contact with the limb. The stresses generated by tightening the fastening members into engagement with the bracket are not transmitted to the limb to prevent weakening and eventual failure of the limb by cracking or splitting at the point where the bracket is mounted on the limb.
REFERENCES:
patent: 1780579 (1930-11-01), Crowley
patent: 2426283 (1947-08-01), Pearson
patent: 4060066 (1977-11-01), Kudlacek
Adams John M.
Browne William R.
Pinkham Richard C.
Price, Jr,. Stanley J.
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