Invention Grant
- Patent Title: Deck screw
- Patent Title (中): 甲板螺丝
-
Application No.: US11973906Application Date: 2007-10-11
-
Publication No.: US07988396B2Publication Date: 2011-08-02
- Inventor: Tad A. Weiss , Richard Belinda , Joseph A. Pieciak, Jr.
- Applicant: Tad A. Weiss , Richard Belinda , Joseph A. Pieciak, Jr.
- Applicant Address: US NY Rye
- Assignee: Handy & Harman
- Current Assignee: Handy & Harman
- Current Assignee Address: US NY Rye
- Agency: Alix, Yale & Ristas, LLP
- Main IPC: F16B25/02
- IPC: F16B25/02 ; F16B25/10

Abstract:
A fastener for composite material having a dense composition employs a head which has a socket and a recessed underside and a lower rim. The shank has an upper portion with an enlarged diameter and a left hand thread while the lower portion has a tri-lobed configuration and is traversed by a right hand thread. The right hand thread may have a plurality of notches which, in one embodiment, are arranged in a spiral array.
Public/Granted literature
- US20090097942A1 Deck screw Public/Granted day:2009-04-16
Information query