Title:
頭部穴付き固締具とドライバの組み合わせ
Document Type and Number:
Japanese Patent JP6513198
Kind Code:
B2
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.
Inventors:
Alett Pritchard
Application Number:
JP2017530756A
Publication Date:
May 15, 2019
Filing Date:
December 11, 2015
Export Citation:
Assignee:
Research Engineering and Manufacturing Incorporated
International Classes:
F16B23/00
Domestic Patent References:
| JP2004353831A |
Foreign References:
| US5207132 | ||||
| US20030059276 | ||||
| WO2014195410A1 |
Attorney, Agent or Firm:
Satoshi Furuya
Akihiro Onishi
Kiyoharu Nishiyama
Rei Hosoi
Akihiro Onishi
Kiyoharu Nishiyama
Rei Hosoi