Quadrilateral electromagnetic coil assembly
First Claim
1. In a tattoo machine having a frame, an armature bar, at least one coil assembly comprising:
- a) an elongated steel core having a quadrilateral cross section; and
b) at least one wire wound directly around said core, whereby said armature bar is adapted to be displaced by said coil assembly upon passage of a current through said coil assembly.
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Accused Products
Abstract
Prior art electromagnetic coil technology in tattoo machines employs a round steel post to alternately repel and attract an armature bar retained by a spring, reciprocally moving a needle bar and attached needle groupings into and out of the skin in the act of tattooing. The present invention uses a hexahedron shaped steel post to increase the surface area contacted on the armature bar, improving the magnetism and general movement of the bar. The improved rate of movement of the armature improves the overall functioning of the tattoo machine including the operator'"'"'s ability to achieve more solid color, smoother shading, and more consistent lines. Removable retaining washers and o-rings are employed to allow the operator to customize and repair the magnetic wire.
32 Citations
30 Claims
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1. In a tattoo machine having a frame, an armature bar, at least one coil assembly comprising:
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a) an elongated steel core having a quadrilateral cross section; and
b) at least one wire wound directly around said core, whereby said armature bar is adapted to be displaced by said coil assembly upon passage of a current through said coil assembly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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- 11. An electromagnetic coil assembly comprising a rectangular prism steel core having an active and an inactive end, at least one wire wound around said core, and an armature bar adapted to reciprocate against the active end of said core.
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17. In a tattoo machine having a frame, an armature bar, at least one electromagnetic coil comprising:
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a) an elongated steel core having a quadrilateral cross section and two longitudinal ends;
b) at least one circumferential, transverse grooves proximal to a longitudinal end of said core; and
c) at least one wire wound directly around said core. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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24. In a tattoo machine having a frame, a reciprocating needle, and an armature bar, at least one coil assembly comprising
a) an elongated steel core having a quadrilateral cross section and two ends; -
b) at least one wire wound directly around said core;
c) a retaining means at each end of said core adapted to retain said wire; and
d) at least two circumferential, transverse grooves proximal to each said end of said core, such that upon passage of current through said coil assembly said armature bar reciprocates thereby reciprocating said needle. - View Dependent Claims (25, 26, 27)
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- 28. An electromagnetic coil assembly and reciprocating armature, said coil assembly comprising an elongated metal core having a quadrilateral cross-section, and an active end, said armature bar having an interior face with a quadrilateral surface area, said core and said armature bar adapted to maximize the contact area between said active end of said core and said interior face of said armature bar.
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30. In a new tattoo machine having a frame and a reciprocating needle, and an armature bar adapted to reciprocate said needle upon passage of current through a coil assembly, said coil assembly comprising:
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a) an elongated steel core having a quadrilateral cross section;
b) at least two circumferential, transverse grooves proximal to each longitudinal end of said core;
c) at least one wire wound directly around said core; and
d) a retaining washer at each end of said core adapted to retain said wire in place.
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Specification