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CONICAL-SPHERICAL THREAD FORM FOR VARIABLE ANGLE LOCKING SYSTEMS
专利权人:
Daniel Duane Fritzinger
发明人:
Daniel Duane Fritzinger
申请号:
US13456608
公开号:
US20130289630A1
申请日:
2012.04.26
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A variable angle locking screw comprising a head portion having helical threads, the head portion including a first section having a shape that is substantially spherical and a tapered second section having a shape that is substantially conical, and an elongated threaded shaft portion extending from the head portion.
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