Title:
空気圧工具
Document Type and Number:
Japanese Patent JP6897741
Kind Code:
B2
Abstract:
To provide a pneumatic tool capable of achieving high workability and environmental property with high efficiency.SOLUTION: A pneumatic tool includes: an operation section which is supported by a housing, is operated by compressed air flowing therein from a compressed air intake port, and strikes a fastening tool or rotates the fastening tool; a control section which controls inflow of compressed air from the compressed air intake port to the operation section; an exhaust passage which is provided between the operation section and the compressed air exhaust port and through which compressed air exhausted from the operation section passes; and a cylindrical partition wall which has one end arranged in the exhaust passage and an air duct formed inside to communicate with the compressed air exhaust port. An outer wall of the cylindrical partition wall is separated from an inner wall of the exhaust passage, and a space is formed between the outer wall of the cylindrical partition wall and the inner wall of the exhaust passage.SELECTED DRAWING: Figure 1
Inventors:
Furuumi Masaaki
Sadaki Ishizawa
Haruhiko Ouchi
Masahiro Miura
Sadaki Ishizawa
Haruhiko Ouchi
Masahiro Miura
Application Number:
JP2019187871A
Publication Date:
July 07, 2021
Filing Date:
October 11, 2019
Export Citation:
Assignee:
Koki Holdings Co., Ltd.
International Classes:
B25F5/00; B01D46/00; B25B21/00; B25C7/00
Domestic Patent References:
| JP2006130593A |
Foreign References:
| US20090242225 |