Title:
SCREW ROTATION TOOL
Document Type and Number:
Japanese Patent JP2018149662
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a screw rotation tool that makes a simple constitution prevent a head of a screw and the tip of the tool from being easily disengaged from each other.SOLUTION: A screw rotation tool comprises a tool tip 2 almost identical in shape with a recess 21 of a predetermined shape, which is formed on a head 20A of a screw 20, and a shank 3 that is connected to the tool tip 2 via a universal joint 4, in a plan view. In the tool tip 2, a slit 2A, which is formed in a direction (X-Y direction) orthogonal to an axial direction (Z-direction), and an elastic member 5, which is fitted into the slit 2A and which protrudes to the outside with respect to a predetermined shape in the direction orthogonal to the axial direction, are provided on an outer peripheral part in the axial direction (Z-direction).SELECTED DRAWING: Figure 3
Inventors:
YANO JUNJI
Application Number:
JP2017049357A
Publication Date:
September 27, 2018
Filing Date:
March 15, 2017
Export Citation:
Assignee:
MEDICAL BRAIN CO LTD
SHIODA KK
SHIODA KK
International Classes:
B25B23/10; A61C3/00; B25B15/00
Attorney, Agent or Firm:
Yasuo Itaya
Katsumi Taguchi
Itaya Masayuki
Katsumi Taguchi
Itaya Masayuki