Title:
打込機
Document Type and Number:
Japanese Patent JP7004066
Kind Code:
B2
Abstract:
This driving tool includes: a pressure accumulator (26) in which a compressible gas is accumulated; a striking part which operates in a first direction to strike a fastener with a pressure of the compressible gas; and a driving part which causes the striking part to operate in a second direction opposite to the first direction and to increase the pressure of the pressure accumulator (26). The driving tool further includes: a cylinder chamber (98) in which the compressible gas to be supplied to the pressure accumulator (26) can be contained; a holder (44) forming the pressure accumulator (26) and the cylinder chamber (98); a piston (97) which is disposed in the holder (44) and is operable to reduce the volume of the cylinder chamber (98); and a switching valve (92) capable of connecting and disconnecting the cylinder chamber (98) and the pressure accumulator (26).
Inventors:
Takashi Ueda
Koji Shioya
Koji Shioya
Application Number:
JP2020516145A
Publication Date:
January 21, 2022
Filing Date:
March 29, 2019
Export Citation:
Assignee:
Koki Holdings Co., Ltd.
International Classes:
B25C1/06; B25C1/04
Domestic Patent References:
| JP2015116616A |
Foreign References:
| WO2015037299A1 | ||||
| WO2016136632A1 | ||||
| WO2011010512A1 | ||||
| WO2013168719A1 | ||||
| WO2016174994A1 |
Attorney, Agent or Firm:
Tsutsui International Patent Office
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