Mechanical guns and projectors – Spring – Elastic band
Patent
1981-11-27
1983-10-25
Pinkham, Richard C.
Mechanical guns and projectors
Spring
Elastic band
124 80, 273428, F41B 700
Patent
active
044112483
ABSTRACT:
A construction for compact catapults is described. An elastic cord is mounted and placed in tension by threading it through a number of grooved reels. The reels are rotatably fastened to capstans and thereby to a handle-equipped base. When a U-shaped pellet is hooked over a portion of the elastic cord, drawn back and then released, high acceleration forces are transferred to the pellet which then issues from the catapult.
REFERENCES:
patent: 1577250 (1926-03-01), Corp
patent: 2644271 (1953-07-01), Shapiro
patent: 4050438 (1977-09-01), Pfotenhauer
Browne William R.
Pinkham Richard C.
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