Spring type projecting device Patent #: 4050438
ApplicationNo. 06/325224 filed on 11/27/1981
US Classes:124/20.1, Having handle (e.g., crotch type slingshot)124/80, ELEMENT124/900, LIMB TIP ROTATABLE ELEMENT STRUCTURE473/569PROJECTILE, PER SE; PART THEREOF OR ACCESSORY THEREFOR
ExaminersPrimary: Pinkham, Richard C.
Assistant: Browne, William R.
International ClassesF41B 3/00 (20060101)
F41B 3/02 (20060101)
AbstractA 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.