US 12,377,528 B2
Driving device
Tomoya Nakajima, Ibaraki (JP); Jun Enta, Ibaraki (JP); and Takeshi Saitou, Ibaraki (JP)
Assigned to KOKI HOLDINGS CO., LTD., Tokyo (JP)
Appl. No. 17/631,192
Filed by Koki Holdings Co., Ltd., Tokyo (JP)
PCT Filed Jul. 28, 2020, PCT No. PCT/JP2020/028791
§ 371(c)(1), (2) Date Jan. 28, 2022,
PCT Pub. No. WO2021/020364, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 2019-140959 (JP), filed on Jul. 31, 2019.
Prior Publication US 2022/0176532 A1, Jun. 9, 2022
Int. Cl. B25C 1/18 (2006.01); B25C 7/00 (2006.01)
CPC B25C 1/188 (2013.01) [B25C 7/00 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A driving device comprising:
a main body;
a striker movably supported by the main body and operable to move along a first direction to hit a fastener;
a handle extending from the main body in a second direction perpendicular to the first direction; and
a nose attached to the main body and holding the fastener to be hit by the striker,
wherein the fastener has:
a shaft having a constant outer diameter; and
a head having an outer diameter larger than that of the shaft, and
wherein the head includes:
a first head; and
a second head is located behind the first head in the first direction, the second head being subject to being hit by the striker, and
wherein the nose comprises:
an injection path provided between a first guide portion and a second guide portion opposite the first guide portion, the injection path guiding the fastener hit by the striker; and
an injection port, from which the fastener is fired, provided at an end of the injection path; and
an opening located forward of the second guide portion in the first direction,
wherein a width of the opening in a third direction perpendicular to both the first direction and the second direction is larger than an outer diameter of a head of the fastener, and
wherein, in the first direction, a length from a tip of the nose to the second guide portion is longer than a length of the first head of the fastener.