Title:
SCREWING TOOL, PARTICULARLY SCREWDRIVER
Document Type and Number:
Japanese Patent JP3285380
Kind Code:
B2
Abstract:
PURPOSE: To develop screwing tool capable of transmitting suitable torque according to the size of a screwing tool and capable of being easily manufactured.
CONSTITUTION: A screwing tool, particularly a screwdriver or a screwing bit, for polygonal socket screws 8 is provided with circumferentially convex flank sections 12, and the flank sections 12 are separated by a not-convexly extending intermediate section 13 in the central region of each flank 11 in order to optimize the transmission of force.
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| WO/2020/158700 | NUT MEMBER TIGHTENING METHOD AND TIGHTENING TOOL |
| WO/2007/019252 | SCREW-RETAINING SCREWDRIVER |
Inventors:
Strauh Martin
Royce Andrea
Royce Andrea
Application Number:
JP13417192A
Publication Date:
May 27, 2002
Filing Date:
April 27, 1992
Export Citation:
Assignee:
Vera Werk Hermann Werner Geembeer und Zeo.
International Classes:
B25B15/00; B25B13/54; (IPC1-7): B25B13/54
Domestic Patent References:
| JP1121662U | ||||
| JP3815996Y1 |
Attorney, Agent or Firm:
Takashiro Kojima