Invention Grant
- Patent Title: Screw-type fastener
- Patent Title (中): 螺丝式紧固件
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Application No.: US14623959Application Date: 2015-02-17
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Publication No.: US09581183B2Publication Date: 2017-02-28
- Inventor: Farhad Lajewardi , Michael K. Falkenstein
- Applicant: Farhad Lajewardi , Michael K. Falkenstein
- Applicant Address: US OH Cincinnati
- Assignee: THE HILLMAN GROUP, INC.
- Current Assignee: THE HILLMAN GROUP, INC.
- Current Assignee Address: US OH Cincinnati
- Agency: Thompson Hine LLP
- Main IPC: F16B25/00
- IPC: F16B25/00 ; F16B25/10
Abstract:
A multi-thread screw includes a head end, a shank and a tapered end. Both a high thread and a low thread begin on the tapered end and extend onto the shank. A set of intermediate threads are located on the shank portion only and overlap with and intersect at least part of the high thread.
Public/Granted literature
- US20160238053A1 SCREW-TYPE FASTENER Public/Granted day:2016-08-18
Information query
