Mechanical guns and projectors – Element – Magazine
Reexamination Certificate
2011-08-30
2011-08-30
Chambers, Troy (Department: 3641)
Mechanical guns and projectors
Element
Magazine
C124S049000
Reexamination Certificate
active
08006680
ABSTRACT:
A paint ball gun barrel indexing pin includes a plunger, cover, body, and first and second magnets that bias the plunger within the barrel. Magnetic coupling is used between rigid components that are used to position paint balls within a paint ball gun. In a “push-push” arrangement, a pair of magnets are oriented with like poles facing each other. When force is applied to one of the pair of magnets, the force will be transmitted through the magnetic fields to the second magnet. This magnetic coupling offers low resistance to movement when the magnets are in an initial substantially spaced apart relationship. Such low force coupling ensures gentle handling of the paint balls. However, as the limits of travel are approached, the magnetic coupling will exponentially increase forces between the magnets, preventing a “bottoming out” of the coupling.
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Chambers Troy
Watkins Albert W.
Weber Jonathan C
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