公开(公告)号：US20050061847A1

公开(公告)日：2005-03-24

申请号：US10933326

申请日：2004-09-03

申请人： Takeshi Kamo ,  Akira Uno ,  Michio Wakabayashi ,  Haruhiko Oouchi ,  Yasuo Sasaki

发明人： Takeshi Kamo ,  Akira Uno ,  Michio Wakabayashi ,  Haruhiko Oouchi ,  Yasuo Sasaki

IPC分类号： B25B21/00 ,  B25B21/02 ,  B27F7/17

CPC分类号： B25B21/023

摘要： A pneumatically operated screw driver ensuring a complete return of a piston to its top dead center. The screw driver has a compressed air return chamber for returning the piston to its top dead center by applying a compressed air in the return chamber to the piston. The piston includes a main piston and an auxiliary piston. The main piston is first reaches its bottom dead center, and then the auxiliary piston reaches its bottom dead center whereupon screw driving is terminated. Before the auxiliary piston reaches its bottom dead center, and after the main piston moves past a predetermined position, a compressed air is introduced into the return chamber. After the main piston reaches the bottom dead center, application of the compressed air pressure in the return chamber to the auxiliary piston is prevented.

摘要翻译： 一种气动螺丝刀，确保活塞完全返回到其上止点。 螺杆驱动器具有压缩空气返回室，用于通过将返回室中的压缩空气施加到活塞将活塞返回到其上止点。 活塞包括主活塞和辅助活塞。 主活塞首先到达其下死点，然后辅助活塞到达其下死点，随后螺丝驱动终止。 在辅助活塞到达其下死点之前，并且在主活塞移动超过预定位置之后，压缩空气被引入到返回室中。 在主活塞到达下死点之后，防止将返回室中的压缩空气压力施加到辅助活塞。

公开(公告)号：US07370559B2

公开(公告)日：2008-05-13

申请号：US10933326

申请日：2004-09-03

申请人： Takeshi Kamo ,  Akira Uno ,  Michio Wakabayashi ,  Haruhiko Oouchi ,  Yasuo Sasaki

发明人： Takeshi Kamo ,  Akira Uno ,  Michio Wakabayashi ,  Haruhiko Oouchi ,  Yasuo Sasaki

IPC分类号： B25B13/00

CPC分类号： B25B21/023

摘要： A pneumatically operated screw driver ensuring a complete return of a piston to its top dead center. The screw driver has a compressed air return chamber for returning the piston to its top dead center by applying a compressed air in the return chamber to the piston. The piston includes a main piston and an auxiliary piston. The main piston is first reaches its bottom dead center, and then the auxiliary piston reaches its bottom dead center whereupon screw driving is terminated. Before the auxiliary piston reaches its bottom dead center, and after the main piston moves past a predetermined position, a compressed air is introduced into the return chamber. After the main piston reaches the bottom dead center, application of the compressed air pressure in the return chamber to the auxiliary piston is prevented.

摘要翻译： 一种气动螺丝刀，确保活塞完全返回到其上止点。 螺杆驱动器具有压缩空气返回室，用于通过将返回室中的压缩空气施加到活塞将活塞返回到其上止点。 活塞包括主活塞和辅助活塞。 主活塞首先到达其下死点，然后辅助活塞到达其下死点，随后螺丝驱动终止。 在辅助活塞到达其下死点之前，并且在主活塞移动超过预定位置之后，压缩空气被引入到返回室中。 在主活塞到达下死点之后，防止将返回室中的压缩空气压力施加到辅助活塞。

公开(公告)号：US07165478B2

公开(公告)日：2007-01-23

申请号：US10954260

申请日：2004-10-01

申请人： Takeshi Kamo ,  Yasuo Sasaki ,  Michio Wakabayashi ,  Haruhiko Oouchi

发明人： Takeshi Kamo ,  Yasuo Sasaki ,  Michio Wakabayashi ,  Haruhiko Oouchi

IPC分类号： B25B13/00 ,  B25B23/06

CPC分类号： B25B21/023 ,  B25C1/043

摘要： A pneumatically operated screw driver ensuring a complete return of a piston to its top dead center. The screw driver has a compressed air return chamber for returning the piston to its top dead center by applying a compressed air in the return chamber to the piston. The piston includes a main piston and an auxiliary piston. The auxiliary piston includes a piston section and a flange section those being disposed in the main piston. The piston section is slidably movable relative to the main piston, and the flange section is axially spaced away from the piston section and radially spaced away from the main piston. After the main piston reaches its bottom dead center, the auxiliary piston further moves toward its bottom dead center. An air space chamber is provided between the piston section and the flange section and within the main piston.

摘要翻译： 一种气动螺丝刀，确保活塞完全返回到其上止点。 螺杆驱动器具有压缩空气返回室，用于通过将返回室中的压缩空气施加到活塞将活塞返回到其上止点。 活塞包括主活塞和辅助活塞。 辅助活塞包括活塞部分和设置在主活塞中的凸缘部分。 活塞部分相对于主活塞可滑动地移动，并且凸缘部分与活塞部分轴向间隔开并且远离主活塞径向间隔开。 主活塞到达下死点后，辅助活塞进一步向下死点移动。 在活塞部分和凸缘部分之间以及主活塞内设置有空气室。

公开(公告)号：US20050072585A1

公开(公告)日：2005-04-07

申请号：US10954260

申请日：2004-10-01

申请人： Takeshi Kamo ,  Yasuo Sasaki ,  Michio Wakabayashi ,  Haruhiko Oouchi

发明人： Takeshi Kamo ,  Yasuo Sasaki ,  Michio Wakabayashi ,  Haruhiko Oouchi

IPC分类号： B25B21/02 ,  B25C1/04 ,  B25C5/06

CPC分类号： B25B21/023 ,  B25C1/043

摘要： A pneumatically operated screw driver ensuring a complete return of a piston to its top dead center. The screw driver has a compressed air return chamber for returning the piston to its top dead center by applying a compressed air in the return chamber to the piston. The piston includes a main piston and an auxiliary piston. The auxiliary piston includes a piston section and a flange section those being disposed in the main piston. The piston section is slidably movable relative to the main piston, and the flange section is axially spaced away from the piston section and radially spaced away from the main piston. After the main piston reaches its bottom dead center, the auxiliary piston further moves toward its bottom dead center. An air space chamber is provided between the piston section and the flange section and within the main piston.

摘要翻译： 一种气动螺丝刀，确保活塞完全返回到其上止点。 螺杆驱动器具有压缩空气返回室，用于通过将返回室中的压缩空气施加到活塞将活塞返回到其上止点。 活塞包括主活塞和辅助活塞。 辅助活塞包括活塞部分和设置在主活塞中的凸缘部分。 活塞部分相对于主活塞可滑动地移动，并且凸缘部分与活塞部分轴向间隔开并且远离主活塞径向间隔开。 主活塞到达下死点后，辅助活塞进一步向下死点移动。 在活塞部分和凸缘部分之间以及主活塞内设置有空气室。

公开(公告)号：US07013985B2

公开(公告)日：2006-03-21

申请号：US10954240

申请日：2004-10-01

申请人： Yasuo Sasaki ,  Takeshi Kamo ,  Michio Wakabayashi ,  Haruhiko Oouchi

发明人： Yasuo Sasaki ,  Takeshi Kamo ,  Michio Wakabayashi ,  Haruhiko Oouchi

IPC分类号： B25B21/00

CPC分类号： B25B21/023

摘要： A compact and light-weight pneumatically operated screw driver providing high speed screw fastening with high operability. A rotary member rotationally driven by a pneumatic motor includes a main rotary member made from a plastic material and a sliding segment fixed to the main rotary member. A rotation slide member is axially slidably movable relative to the rotary member and is rotatable together with the rotation of the rotary member. A shut-off section is provided on which the rotation slide member is rotationally seated when the rotation slide member is moved toward the shut-off section. The rotation slide member is made from an elastic material. A sleeve like piston having a seal ring in sliding contact with a cylinder is provided. The seal ring shuts off a supply of compressed air to the pneumatic motor only by the seating of the rotation slide member onto the shut-off section.

摘要翻译： 紧凑轻便的气动螺丝刀，提供高速螺丝紧固，操作性高。 由气动马达旋转驱动的旋转构件包括由塑料材料制成的主旋转构件和固定到主旋转构件的滑动段。 旋转滑动构件可相对于旋转构件轴向可滑动地移动，并且与旋转构件的旋转一起可旋转。 设置有切断部，当旋转滑动部件朝向切断部移动时，旋转滑动部件旋转地安置在该切断部上。 旋转滑动构件由弹性材料制成。 提供具有与气缸滑动接触的密封环的套筒状活塞。 密封环仅通过将旋转滑动构件安置在截止部分上而将空气供应给气动马达。

公开(公告)号：US20050072275A1

公开(公告)日：2005-04-07

申请号：US10954240

申请日：2004-10-01

申请人： Yasuo Sasaki ,  Takeshi Kamo ,  Michio Wakabayashi ,  Haruhiko Oouchi

发明人： Yasuo Sasaki ,  Takeshi Kamo ,  Michio Wakabayashi ,  Haruhiko Oouchi

IPC分类号： B25B21/00 ,  B25B21/02 ,  B25B13/00

CPC分类号： B25B21/023

摘要： A compact and light-weight pneumatically operated screw driver providing high speed screw fastening with high operability. A rotary member rotationally driven by a pneumatic motor includes a main rotary member made from a plastic material and a sliding segment fixed to the main rotary member. A rotation slide member is axially slidably movable relative to the rotary member and is rotatable together with the rotation of the rotary member. A shut-off section is provided on which the rotation slide member is rotationally seated when the rotation slide member is moved toward the shut-off section. The rotation slide member is made from an elastic material. A sleeve like piston having a seal ring in sliding contact with a cylinder is provided. The seal ring shuts off a supply of compressed air to the pneumatic motor only by the seating of the rotation slide member onto the shut-off section.

摘要翻译： 紧凑轻便的气动螺丝刀，提供高速螺丝紧固，操作性高。 由气动马达旋转驱动的旋转构件包括由塑料材料制成的主旋转构件和固定到主旋转构件的滑动段。 旋转滑动构件可相对于旋转构件轴向可滑动地移动，并且与旋转构件的旋转一起可旋转。 设置有切断部，当旋转滑动部件朝向切断部移动时，旋转滑动部件旋转地安置在该切断部上。 旋转滑动构件由弹性材料制成。 提供具有与气缸滑动接触的密封环的套筒状活塞。 密封环仅通过将旋转滑动构件安置在截止部分上而将空气供应给气动马达。

公开(公告)号：US06672404B2

公开(公告)日：2004-01-06

申请号：US10188806

申请日：2002-07-05

申请人： Takeshi Kamo ,  Yasuo Sasaki ,  Michio Wakabayashi

发明人： Takeshi Kamo ,  Yasuo Sasaki ,  Michio Wakabayashi

IPC分类号： B25B2100

CPC分类号： B25B23/10

摘要： Two guide members cooperatively constitute a chuck portion for holding a screw head. Opening and closing of the chuck portion is regulated depending on a mutual position between a machine body and a member into which a screw is driven. Guide pin portions of respective guide members engage with a stopper portion of a push lever until a screw is driven to a predetermined depth. The chuck potion tightly holds the screw head until a screw fastening operation is substantially finished, thereby suppressing the lifting of a machine body.

摘要翻译： 两个引导构件协作地构成用于保持螺钉头的卡盘部分。 卡盘部分的打开和关闭根据机体和驱动螺杆的构件之间的相互位置来调节。 各个引导构件的引导销部分与推杆的止动部分接合，直到螺钉被驱动到预定的深度。 卡盘部分紧紧地保持螺钉头，直到螺丝紧固操作基本上完成，从而抑制机体的提升。

公开(公告)号：US20060180632A1

公开(公告)日：2006-08-17

申请号：US11405470

申请日：2006-04-18

申请人： Haruhiko Oouchi ,  Shoichi Hirai ,  Michio Wakabayashi

发明人： Haruhiko Oouchi ,  Shoichi Hirai ,  Michio Wakabayashi

IPC分类号： B23Q5/00

CPC分类号： B25B21/023 ,  B25C1/04 ,  B25F5/00

摘要： A pneumatically operated power tool such as a screw driver, a nail gun and an impact wrench those being driven by a pneumatic pressure. A pressure reduction valve is provided between a connector connected to a compressor and a compressed air chamber defined in an outer frame of the power tool for supplying a pressure lower than the pressure at the connector to the compressed air chamber. A passage section is provided independently of the pressure reduction valve and communicating the connector with the compressed air chamber. A valve member is disposed at the passage section for selectively applying compressed air from the connector to the compressed air chamber directly through the passage section.

公开(公告)号：US07255257B2

公开(公告)日：2007-08-14

申请号：US11405470

申请日：2006-04-18

申请人： Haruhiko Oouchi ,  Shoichi Hirai ,  Michio Wakabayashi

发明人： Haruhiko Oouchi ,  Shoichi Hirai ,  Michio Wakabayashi

IPC分类号： B25C1/04

CPC分类号： B25B21/023 ,  B25C1/04 ,  B25F5/00

摘要： A pneumatically operated power tool such as a screw driver, a nail gun and an impact wrench those being driven by a pneumatic pressure. A pressure reduction valve is provided between a connector connected to a compressor and a compressed air chamber defined in an outer frame of the power tool for supplying a pressure lower than the pressure at the connector to the compressed air chamber. A passage section is provided independently of the pressure reduction valve and communicating the connector with the compressed air chamber. A valve member is disposed at the passage section for selectively applying compressed air from the connector to the compressed air chamber directly through the passage section.

摘要翻译： 一种气动操作的电动工具，例如螺丝刀，钉枪和由气动压力驱动的冲击扳手。 减压阀设置在连接到压缩机的连接器和限定在动力工具的外框架中的压缩空气室之间，用于向压缩空气室提供低于连接器处的压力的压力。 独立于减压阀设置通道部分并将连接器与压缩空气室连通。 阀构件设置在通道部分处，用于通过通道部分直接选择性地将压缩空气从连接器施加到压缩空气室。

公开(公告)号：US07093743B2

公开(公告)日：2006-08-22

申请号：US10963509

申请日：2004-10-14

申请人： Haruhiko Oouchi ,  Shoichi Hirai ,  Michio Wakabayashi

发明人： Haruhiko Oouchi ,  Shoichi Hirai ,  Michio Wakabayashi

IPC分类号： B25C1/04

CPC分类号： B25B21/023 ,  B25C1/04 ,  B25F5/00

摘要： A pneumatically operated power tool such as a screw driver, a nail gun and an impact wrench those being driven by a pneumatic pressure. A pressure reduction valve is provided between a connector connected to a compressor and a compressed air chamber defined in an outer frame of the power tool for supplying a pressure lower than the pressure at the connector to the compressed air chamber. A passage section is provided independently of the pressure reduction valve and communicating the connector with the compressed air chamber. A valve member is disposed at the passage section for selectively applying compressed air from the connector to the compressed air chamber directly through the passage section.

摘要翻译： 一种气动操作的电动工具，例如螺丝刀，钉枪和由气动压力驱动的冲击扳手。 减压阀设置在连接到压缩机的连接器和限定在动力工具的外框架中的压缩空气室之间，用于向压缩空气室提供低于连接器处的压力的压力。 独立于减压阀设置通道部分并将连接器与压缩空气室连通。 阀构件设置在通道部分处，用于通过通道部分直接选择性地将压缩空气从连接器施加到压缩空气室。