QUICK TURN FASTENER
First Claim
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1. A fastener assembly comprising:
- a shaft having at least one rib along its length and at least one thread segment extending at least partially around the shaft from the at least one rib;
a plurality of thread forming threads extending from the at least one thread segment;
a tubular boss having a cylindrical opening with at least one column disposed therein; and
wherein the shaft is inserted into the tubular boss in a first position and rotated into a second position such that the at least one thread segment engages the at least one column via some of the plurality of thread forming threads.
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Abstract
A fastener for use in connection with a tubular boss has a shaft with at least one rib along the length thereof and at least one thread segment extending at least partially around the shaft. The shaft is inserted into the boss in first position, and rotated to a second position wherein the at least one thread segment engages at least one column formed in the tubular boss. The shaft can be integrally formed with a first molded part to be fastened to a second molded part with an integrally formed tubular boss. Various locking features for locking the shaft in the boss are also disclosed.
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Citations
20 Claims
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1. A fastener assembly comprising:
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a shaft having at least one rib along its length and at least one thread segment extending at least partially around the shaft from the at least one rib; a plurality of thread forming threads extending from the at least one thread segment; a tubular boss having a cylindrical opening with at least one column disposed therein; and wherein the shaft is inserted into the tubular boss in a first position and rotated into a second position such that the at least one thread segment engages the at least one column via some of the plurality of thread forming threads. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for attaching a first molded part to a second molded part, the method comprising the steps of:
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providing a shaft integrally formed on the first molded part, the shaft including at least one rib along its length and at least one thread segment extending at least partially around the shaft from the at least one rib; providing a tubular boss integrally formed on the second molded part, the tubular boss having a cylindrical opening and at least one initially unthreaded column disposed therein; inserting the shaft into the tubular boss in a first position; rotating the shaft to a second position, wherein the at least one thread segment forms threads in the at least one initially unthreaded column to engage the at least one thread segment to the at least one initially unthreaded column. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification