Title:
打込機
Document Type and Number:
Japanese Patent JP7338703
Kind Code:
B2
Abstract:
Provided is a driver machine that enables lubrication of a pin and suppression of an increase in weight. The driver machine is provided with: a hitting part that is movable in a first direction and a second direction; a first biasing part that applies a biasing force to the hitting part to cause the hitting part to move in the first direction; and a second biasing part that causes the hitting part to move in the second direction, the second biasing part being provided with a motor, a driving member 47 that is rotated by the motor, a pin 77 installed in the driving member 47, and a protrusion provided in the hitting part for engagement and release of the pin 77. The driving member 47 is provided with: a wheel shaft 48; a wheel 49 installed on the outside of the wheel shaft 48 in the radial direction of the driving member 47 and having the pin 77; a retaining hole 91 that retains a lubricant; and a feed channel 92 that feeds the lubricant from the retaining hole 91 to the pin 77.
Inventors:
Go Saito
Jun Toda
Jun Toda
Application Number:
JP2021565425A
Publication Date:
September 05, 2023
Filing Date:
November 27, 2020
Export Citation:
Assignee:
Koki Holdings Co., Ltd.
International Classes:
B25C1/06; B25C1/04
Domestic Patent References:
| JP60135182A | ||||
| JP2018202519A |
Foreign References:
| WO2018180082A1 | ||||
| WO2015182508A1 | ||||
| US20190126453 |
Attorney, Agent or Firm:
Patent Attorney Tsutsui International Patent Office