Title:
DRIVER
Document Type and Number:
Japanese Patent JP2020066091
Kind Code:
A
Abstract:
To make it hard for a driver having a plate-like end part to fall off from a screw.SOLUTION: A driver for turning a screw having a recess has: a grip part which a user using the driver grips; an axial part connected to the grip part; plate-like blades (a first blade 21 and a second blade 22) formed at an end of the axial part. The blades 21, 22 have: projections 211, 221 formed on the surface; and a cavity 213 and a cavity 223 whose shapes change in the way that width in the state that they are inserted in recesses of a screw becomes smaller than width in the state that they are not inserted.SELECTED DRAWING: Figure 5
Inventors:
SANO MITSUO
Application Number:
JP2018199830A
Publication Date:
April 30, 2020
Filing Date:
October 24, 2018
Export Citation:
Assignee:
NITTOYUMEX CO LTD
International Classes:
B25B15/00; B25B23/10
Domestic Patent References:
| JP2016518260A | 2016-06-23 | |||
| JP2002144249A | 2002-05-21 |
Attorney, Agent or Firm:
Izumidori
Hisashine Kyonori
Kensuke Terakawa
Hisashine Kyonori
Kensuke Terakawa