Invention Grant
US08348577B2 Fastener 有权
紧固件

Fastener
Abstract:
A fastener includes a threaded surface having an effective diameter. The effective diameter of the threaded surface changes along a first segment of the threaded surface. In addition, the effective diameter of the threaded surface changes along a second segment opposed to the first segment, and the change in the effective diameter of the threaded surface along the first segment is greater than the change in the effective diameter of the threaded surface along the second segment.
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