Mechanical guns and projectors – Spring
Patent
1976-11-02
1978-01-10
Pinkham, Richard C.
Mechanical guns and projectors
Spring
46 74B, F41B 700
Patent
active
040673081
ABSTRACT:
The disclosure relates to an apparatus for spin ejecting a body having a flat plate base containing bosses. The apparatus has a base plate and a main ejection shaft extending perpendicularly from the base plate. A compressible cylindrical spring is disposed about the shaft. Bearings are located between the shaft and the spring. A housing containing a helical aperture releasably engages the base plate and surrounds the shaft bearings and the spring. A piston having an aperture follower disposed in the housing aperture is seated on the spring and is guided by the shaft and the aperture. The spring is compressed and when released causes the piston to spin eject the body.
REFERENCES:
patent: 2043677 (1936-06-01), Salomon
patent: 2474054 (1949-06-01), Jones
patent: 3612027 (1971-10-01), Makino
patent: 3635204 (1972-01-01), Plumb
Andersen John A.
Flanigan John J.
Kindley Robert J.
Browne William R.
Carlson Dean E.
King Dudley W.
Pinkham Richard C.
The United States of America as represented by the United States
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