Title:
ATTACHMENT-TYPE ALIGNING DEVICE AND ELECTRIC POWER TOOL
Document Type and Number:
WIPO Patent Application WO/2020/075752
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an attachment-type aligning device that can prevent core misalignment during rotation of a rotary tool by aligning a base shaft held by a base shaft holder, and an electric power driver having the attachment-type aligning device attached to the base shaft holder. An alignment adaptor (40 (40X)) is provided with: an alignment bearing (50 (50a, 50b)) that abuts and aligns a base shaft (6) of a rotary tool (5) which penetrates a through-hole (40a (40Xa)); and an attaching unit (90 (90X)) that attaches the alignment bearing (50 (50a, 50b)) to a prescribed position in a holder body (10) constituting a base shaft holder (1) which is inserted from an axial-direction tip side (Lf) so as to hold the base shaft (6). The alignment adaptor (40 (40X)) is attached to the base shaft holder (1), and is configured so as to align the base shaft (6) held by the base shaft holder (1).
Inventors:
NAKAMURA DAIJIRO (JP)
Application Number:
PCT/JP2019/039810
Publication Date:
April 16, 2020
Filing Date:
October 09, 2019
Export Citation:
Assignee:
MURATECHNOLOGY CO LTD (JP)
International Classes:
B25B21/00
Foreign References:
| JP2002205281A | 2002-07-23 | |||
| JP2017087334A | 2017-05-25 | |||
| JP3195281U | 2015-01-15 | |||
| US20040013485A1 | 2004-01-22 |
Other References:
See also references of EP 3865251A4
Attorney, Agent or Firm:
NAGATA Motoaki et al. (JP)
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