公开(公告)号：US20160236338A1

公开(公告)日：2016-08-18

申请号：US15001748

申请日：2016-01-20

Applicant: Ching-Shun CHANG

Inventor： Ching-Shun CHANG

IPC: B25F5/00 ,  B25B21/00

CPC classification number: B25F5/001 ,  B25B21/00

Abstract: A reversing control mechanism of a pneumatic tool includes a rear cover, a reducing through-hole, a diversion seat, a flow switch control seat, a knob portion and a reducing through-hole at rear end of the rear cover trough. The reversing control mechanism is only composed of the rear cover, diversion seat and flow switch control seat, enabling the knob portion to be formed directly onto the rear end of the flow switch control seat. The rear cover, diversion seat and flow switch control seat are coaxially sleeved and located for strong reliability. The knob portion is exposed to the reducing through-hole at rear end of the trough of the rear cover, making convenient operation possible.

Abstract translation: 气动工具的倒档控制机构包括后盖槽后端的后盖，减压通孔，转向座，流量开关控制座，把手部分和还原通孔。 反转控制机构仅由后盖，分流座和流量开关控制座组成，使得把手部分能够直接形成在流量开关控制座的后端。 后盖，分流座和流量开关控制座同轴套并位置可靠。 把手部分暴露于后盖槽底后端的还原通孔，方便操作。

公开(公告)号：US20150014010A1

公开(公告)日：2015-01-15

申请号：US13941923

申请日：2013-07-15

Applicant: Ching-Shun CHANG

Inventor： Ching-Shun CHANG

IPC: B25B21/02 ,  B25F5/02

CPC classification number: B25B21/02 ,  B23B45/04 ,  B25B21/00 ,  B25B23/1453 ,  B25D9/08 ,  B25F5/00 ,  B25F5/02

Abstract: A pneumatic motor with built-in striker mechanism mainly includes a cylinder, rotor set and output shaft lever. The rotor set has a rotary drum and flexible blades. The output shaft lever can be driven by the rotary drum. A chamber is formed into the rotary drum and a striking portion on the output shaft lever is located within the chamber. The built-in striker mechanism is placed in the chamber and has striking bulges protruded on the striking portion, movable hammers sleeved externally on the striking bulge and struts axially located on the rotary drum. This new pneumatic motor has the striker mechanism set into the rotary drum of the rotor set, thus reducing greatly the axial length and volume of the pneumatic motor and realizing ease-of-use.

Abstract translation: 具有内置撞击机构的气动马达主要包括气缸，转子组和输出轴杆。 转子组具有旋转鼓和柔性叶片。 输出轴杆可由旋转鼓驱动。 一个室形成旋转滚筒，输出轴杠杆上的一个击打部分位于该腔室内。 内置的撞击机构被放置在腔室中，并且具有突出在击打部分上的突出的凸起，可动的锤子从外部套在撞击凸起上并且轴向地位于旋转鼓上。 这种新的气动马达具有设置在转子组的旋转鼓中的撞针机构，因此大大减小了气动马达的轴向长度和体积，实现了易用性。

公开(公告)号：US20050268778A1

公开(公告)日：2005-12-08

申请号：US11133382

申请日：2005-05-20

Applicant: Ching-Shun Chang

Inventor： Ching-Shun Chang

IPC: B25B21/00 ,  B25F5/00 ,  B60H1/00 ,  B64D13/00 ,  F15B21/00 ,  F16K3/24 ,  F16K3/26

CPC classification number: B25F5/00 ,  B25B21/00 ,  F16K3/243 ,  F16K3/265

Abstract: A flow control device for use in a pneumatic tool is disclosed to include an air connector, which has a first bearing portion, a sealing portion, a second bearing portion, an air inlet, and an air outlet, a control socket, which is threaded onto the air connector and has a first bearing portion, a sealing portion, and a second bearing portion, a first seal for sealing the gap between the first bearing portion of the air connector and the first bearing portion of the control socket, a second seal for sealing the gap between the second bearing portion of the air connector and the second bearing portion of the control socket, and a flow-control seal for sealing the gap between the sealing portion of the control socket and the sealing portion of the air connector and for regulating the flow rate of a compressed air passing from the air inlet toward the air outlet upon rotation of the control socket relative to the air connector.

Abstract translation: 公开了一种用于气动工具的流量控制装置，包括一个空气连接器，它具有第一轴承部分，密封部分，第二轴承部分，进气口和出气口， 在空气连接器上并具有第一轴承部分，密封部分和第二轴承部分，用于密封空气连接器的第一轴承部分和控制插座的第一轴承部分之间的间隙的第一密封件，第二密封件 用于密封空气连接器的第二轴承部分和控制插座的第二轴承部分之间的间隙，以及用于密封控制插座的密封部分和空气连接器的密封部分之间的间隙的流量控制密封件，以及 用于在控制插座相对于空气连接器旋转时调节从空气入口朝向空气出口流动的压缩空气的流量。

公开(公告)号：US20110232929A1

公开(公告)日：2011-09-29

申请号：US12730396

申请日：2010-03-24

Applicant: Ching-Shun CHANG

Inventor： Ching-Shun CHANG

IPC: B25D17/24

CPC classification number: B25D17/24 ,  B25D9/08 ,  B25D2250/371

Abstract: An impact hammer with pre-pressing damping and buffering effect includes a handle, outer barrel, air inlet, internal slide, actuating cylinder, air flow switching module and air inlet coupling portion. A front damper is assembled between the front end of the internal slide and the front end wall of the holding space and is characterized by a two-section pre-pressing rear damper assembled between the rear end of the internal slide and the rear end wall of the holding space. The two-section pre-pressing rear damper includes superposed upper and lower elastic buffers. At least the lower elastic buffer is pressed by a pre-pressing member to the preset degree. When the impact hammer yields recoil force under the impaction of the piston, the pre-pressing rear damper is employed to realize stronger buffering effect, so that the impact force is not much affected, thereby improving the impact efficiency and yielding excellent buffering effect.

Abstract translation: 具有预压阻尼和缓冲效果的冲击锤包括手柄，外筒，进气口，内滑座，致动缸，气流切换模块和进气口联接部分。 前阻尼器组装在内部滑动件的前端和保持空间的前端壁之间，其特征在于，组装在内部滑动件的后端和后端壁之间的两段预压后阻尼器 持有空间。 两段预压后阻尼器包括叠加的上下弹性缓冲器。 至少下部弹性缓冲器被预压构件按压到预定程度。 当冲击锤在活塞碰撞时产生反冲力，采用预压后阻尼器实现更强的缓冲效果，使冲击力不受影响，提高冲击效率，产生优良的缓冲效果。