Title:
DRIVER, STRIKE MECHANISM, AND MOVEMENT MECHANISM
Document Type and Number:
WIPO Patent Application WO/2018/198670
Kind Code:
A1
Abstract:
Provided is a driver configured so that an increase in the load torque of a motor can be prevented when moving, using the torque of the motor, a strike mechanism against the force of a first movement mechanism. This driver is provided with: a strike mechanism 12 capable of moving in a first direction B1 and a second direction B2 which is opposite the first direction B1; and a first movement mechanism for moving the strike mechanism 12 in the first direction B1 to strike a fastener. The driver has: a motor; a second movement mechanism 45 rotated by the torque of the motor and moving the strike mechanism 12 in the second direction against the force of the first movement mechanism; and a torque suppression mechanism 45A-45H for suppressing an increase in the torque of the motor when moving the strike mechanism 12 in the second direction B2.
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Inventors:
SAITOU TAKESHI (JP)
SHIGE TETSUHITO (JP)
KIYOHARA DAIKI (JP)
NISHIDA MASASHI (JP)
SHIGE TETSUHITO (JP)
KIYOHARA DAIKI (JP)
NISHIDA MASASHI (JP)
Application Number:
PCT/JP2018/013672
Publication Date:
November 01, 2018
Filing Date:
March 30, 2018
Export Citation:
Assignee:
KOKI HOLDINGS CO LTD (JP)
International Classes:
B25C1/06; B25C1/04
Foreign References:
| JPH0994769A | 1997-04-08 | |||
| JPS63174882A | 1988-07-19 | |||
| US20160288305A1 | 2016-10-06 |
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