Invention Grant
- Patent Title: Recessed head fastener and driver combination
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Application No.: US14966179Application Date: 2015-12-11
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Publication No.: US09957993B2Publication Date: 2018-05-01
- Inventor: Alan Pritchard
- Applicant: Research Engineering & Manufacturing INC
- Applicant Address: US RI Middletown
- Assignee: Research Engineering & Manufacturing INC
- Current Assignee: Research Engineering & Manufacturing INC
- Current Assignee Address: US RI Middletown
- Agency: Cesari and McKenna, LLP
- Main IPC: F16B35/06
- IPC: F16B35/06 ; F16B23/00 ; B25B15/00

Abstract:
A screw recess and driver combination that comprises the use of varying frustums of differing cones to provide driver/recess contact faces that are elliptical.
Public/Granted literature
- US20160230799A1 RECESSED HEAD FASTENER AND DRIVER COMBINATION Public/Granted day:2016-08-11
Information query
IPC分类: