Expandable width filament spool
First Claim
Patent Images
1. An expandable spool comprising:
- a first flange;
a first hub extending from the first flange and including a first plurality of interlocking portions;
a second flange;
a second hub extending from the second flange and including a second plurality of interlocking portions, wherein the first plurality of interlocking portions on the first hub are selectively connectable to the second plurality of interlocking portions on the second hub to define a spacing between the first flange and the second flange for holding material on the spool, wherein each of the first hub and the second hub include at least two drive openings of different shapes for receiving drive members of differing shapes.
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Abstract
An expandable spool includes a first hub extending from a first flange and includes a first plurality of interlocking portions. A second hub extending from a second flange includes a second plurality of interlocking portions that is connectible to the first plurality of interlocking portions to define a spacing between the first flange and the second flange for holding material on the spool.
9 Citations
20 Claims
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1. An expandable spool comprising:
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a first flange; a first hub extending from the first flange and including a first plurality of interlocking portions; a second flange; a second hub extending from the second flange and including a second plurality of interlocking portions, wherein the first plurality of interlocking portions on the first hub are selectively connectable to the second plurality of interlocking portions on the second hub to define a spacing between the first flange and the second flange for holding material on the spool, wherein each of the first hub and the second hub include at least two drive openings of different shapes for receiving drive members of differing shapes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An expandable spool comprising:
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a first flange; a first hub extending from the first flange and including a first plurality of interlocking portions; a second flange; a second hub extending from the second flange and including a second plurality of interlocking portions, wherein the first plurality of interlocking portions on the first hub are selectively connectable to the second plurality of interlocking portions on the second hub to define a spacing between the first flange and the second flange for holding material on the spool, wherein each of the first and second plurality of interlocking portions include tapered sides that increase in width in direction toward the corresponding one of the first and second flange.
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16. An expandable spool comprising:
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a first flange; a first hub extending from the first flange and including a first plurality of castellations; a second flange; a second hub extending from the second flange and including a second plurality of castellations, wherein the first plurality of castellations on the first hub are selectively connectable to the second plurality of castellations on the second hub to define a spacing between the first flange and the second flange for holding material on the spool, wherein each of the first plurality of castellations and the second plurality of castellations include an outward extending tab disposed along a surface defining an inner diameter of the corresponding one of the first hub and the second hub. - View Dependent Claims (17, 18, 19, 20)
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Specification