Title:
BASE SHAFT HOLDER AND ELECTRIC TOOL
Document Type and Number:
Japanese Patent JP2020157379
Kind Code:
A
Abstract:
To provide a shaft holder which suppresses occurrence of decentering (run-out) when rotating a rotary jig in alignment with a base shaft inserted to a base shaft insertion hole, and to provide an electric driver comprising a base shaft holder.SOLUTION: A base shaft holder 1 includes: a holder body 10 having a base shaft insertion hole 11 with a hexagonal cross sectional shape through which a base shaft 6 with the hexagonal cross sectional shape can be inserted from an axial direction tip side Lf in a rotary jig 5; an alignment ball 51 abutting on a corner part 6a at six spots of the base shaft 6 inserted to the base shaft insertion hole 11; and a retainer 52 energizing the alignment ball 51 toward the base shaft 6.SELECTED DRAWING: Figure 10
More Like This:
| JP2023167426 | REACTION JIG |
Inventors:
NAKAMURA DAIJIRO
Application Number:
JP2019055880A
Publication Date:
October 01, 2020
Filing Date:
March 25, 2019
Export Citation:
Assignee:
MURA TECH KK
International Classes:
B25B21/00; B25B15/00
Attorney, Agent or Firm:
Motoaki Nagata
Eiji Ota
Yoshiaki Nagata
Eiji Ota
Yoshiaki Nagata