Games using tangible projectile – Playing field or court game; game element or accessory... – Practice or training device
Patent
1998-11-13
2000-12-12
Chapman, Jeanette
Games using tangible projectile
Playing field or court game; game element or accessory...
Practice or training device
124 4, 124 6, 473415, A63B 6900, F41B 304, F41F 700
Patent
active
061591122
ABSTRACT:
An automatic throwing machine (10) includes a throwing arm (18) rotated by a worm gear (78) driven by a worm (76) carried on a rod (42). The rod is driven by an electric motor (32). An extension spring (68) is extensible as the arm is moved to store energy in the spring and create a torque on the throwing arm. The arm is configured for objects such as clay pigeons (P), baseballs (B), and hockey pucks (H) and the like. When the spring reaches an over-center position, the throwing arm is rapidly rotated to launch the object along a desired trajectory. A control (112) controls operation of the motor. A passive infrared detector (110) identifies people (X) near the device and controls the direction of discharge of the object so the object is thrown toward, or away from, the person depending upon the object being thrown. The detector further provides an interlock to prevent object release if there is a person in the direction the object is thrown who should not be there. A capacitance sensor (C) insures that the object to be thrown is the correct object to be launched.
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Ciluffo C. Gary
Hirsch Arthur E.
Aryanpour Mitra
Chapman Jeanette
Creative Technology Applications, Inc.
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