Title:
ELECTRIC TOOL
Document Type and Number:
WIPO Patent Application WO/2023/199811
Kind Code:
A1
Abstract:
The purpose of the present disclosure is to provide an electric tool having a highly durable seal member. An electric tool (1) comprises: an output shaft (2); a drive shaft (3); a transmission mechanism (4); a plurality of bearings (5); and a seal member (6). The plurality of bearings (5) are arranged in parallel in the axial direction (D1) of the output shaft (2) and rotatably support the output shaft (2). The seal member (6) has a through-hole (61) into which the output shaft (2) is inserted. The seal member (6) is provided in such a manner that an inner peripheral surface (610) of the through-hole (61) is in contact with an outer peripheral surface (20) of the output shaft (2) in at least one of the spaces between two adjacent bearings (5) of the plurality of bearings (5).
Inventors:
SHIMIZU HIDENORI
SEKO SHINJI
KUSAGAWA TAKASHI
SEKO SHINJI
KUSAGAWA TAKASHI
Application Number:
PCT/JP2023/014053
Publication Date:
October 19, 2023
Filing Date:
April 05, 2023
Export Citation:
Assignee:
PANASONIC HOLDINGS CORP (JP)
International Classes:
B25F5/00; B25B21/02; B25F5/02
Foreign References:
| JP2019141984A | 2019-08-29 | |||
| JPS5891232U | 1983-06-21 | |||
| JP2004232767A | 2004-08-19 |
Attorney, Agent or Firm:
HOKUTO PATENT ATTORNEYS OFFICE (JP)
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