Aeronautics and astronautics – Kites
Patent
1979-04-27
1981-09-01
Frankfort, Charles E.
Aeronautics and astronautics
Kites
24129R, 244155A, B64C 3106
Patent
active
042867622
ABSTRACT:
A kite-like flying device includes a sail, a keel stick with a larger resilient member at its leading end, and wing sticks connected to the opposide ends of a smaller resilient member the midportion of which extends laterally through the larger member to provide a resilient resistance to forward movement of the keel stick. A cross stick is flexed and received by sockets which are slightly inclined relative to each other in connector blocks slidably mounted on the wing sticks. Two strings extend from the operator to a control rod which is connected by a string harness to the kite. The connectors for connecting the strings to the control rod each include three bores through which the strings pass back and forth to provide on each side thereof a loop and an extending string portion which passes through the loop so as to be frictionally retained when tension is applied to the opposite extending string portion. A template is provided with markings designating the prescribed location of the string connector relative to the keel stick for flying the device. When the device is used for dogfighting competition, it includes a tail, a release pin connected to the tail to disconnect the string from the sail in response to pulling forces exerted on the tail by the kite of another competitor.
REFERENCES:
patent: 2403212 (1946-07-01), Concepcion
patent: 3317165 (1967-05-01), Zobl
patent: 3746286 (1973-07-01), Christoffel
patent: 3770230 (1973-11-01), Johnston
patent: 3954235 (1976-05-01), Powell
patent: 4076189 (1978-02-01), Powell
patent: 4105349 (1978-08-01), Kupperman et al.
patent: 4133500 (1979-01-01), Chapman
patent: 4159087 (1979-06-01), Moomaw
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