US 12,246,422 B2
Driving tool
Nobuyuki Hoshiyama, Anjo (JP); and Masaya Nagao, Anjo (JP)
Assigned to MAKITA CORPORATION, Anjo (JP)
Filed by MAKITA CORPORATION, Anjo (JP)
Filed on Jul. 27, 2023, as Appl. No. 18/227,020.
Claims priority of application No. 2022-136617 (JP), filed on Aug. 30, 2022.
Prior Publication US 2024/0066672 A1, Feb. 29, 2024
Int. Cl. B25C 1/04 (2006.01); B25C 1/06 (2006.01)
CPC B25C 1/047 (2013.01) [B25C 1/06 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A driving tool, comprising:
a piston configured to move in a driving direction owing to a pressure of a gas;
a driver configured to drive a driving member by moving integrally with the piston in the driving direction;
a plurality of engagement portions arranged in a longitudinal direction of the driver;
a lifter successively engaged one of the plurality of engagement portions for returning the driver to an initial position of the driver;
a driving passage which the driving member is supplied into, and the driver passes through;
a relief passage which is open to the driving passage and through which the plurality of engagement portions of the driver passes when the driver passes therethrough; and
a guide member configured to be movable between a closing position in which the relief passage is closed and an opening position in which the relief passage is open, wherein
the guide member is configured such that the engagement portions of the driver engage the guide member for the guide member to move from the closing position to the opening position when the driver moves in the driving direction.