Invention Grant
- Patent Title: Low energy screws for wood and similar materials
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Application No.: US15879968Application Date: 2018-01-25
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Publication No.: US10371193B2Publication Date: 2019-08-06
- Inventor: Barry J. Hughes
- Applicant: Phillips Screw Company
- Applicant Address: US MA Wakefield
- Assignee: Phillips Screw Company
- Current Assignee: Phillips Screw Company
- Current Assignee Address: US MA Wakefield
- Agency: Blank Rome LLP
- Priority: GB0908830.3 20090522
- Main IPC: F16B39/00
- IPC: F16B39/00 ; F16B35/06 ; F16B25/10 ; F16B25/00

Abstract:
A low energy wood screw that may be inserted quickly and using less energy than conventional screws. In various embodiments, the screw may include a countersunk head having a recess for accommodating a driving tool, a tapered neck, a plurality of crown ribs extending over the head and neck, a lubricating coating, main threads with a large thread lead, and lower threads having an asymmetrical profile and extending onto a gimlet point.
Public/Granted literature
- US20180149185A1 LOW ENERGY SCREWS FOR WOOD AND SIMILAR MATERIALS Public/Granted day:2018-05-31
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