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1. 发明公开

EP0908273A2 Ratchet wrench head 审中-公开
标题翻译： Ratschenschlüsselkopf
公开(公告)号：EP0908273A2
公开(公告)日：1999-04-14
申请号：EP98308205.8
申请日：1998-10-08
申请人： Chicago Pneumatic Tool Company
发明人： Giardino, David A.
IPC分类号： B25B21/00
CPC分类号： B25B21/004 , B25B13/465
摘要： The present invention relates generally to pneumatic ratcheting mechanisms (10) and in particular to a device to aid in shank spindle retainment during ratchet resetting. According to the present invention, at least one recess (66) is provided in the shank spindle (60) of a ratchet head to receive a spring (64) therein. The end of the spring is compressed against an interior surface of the ratchet head (30) to frictionally retain the shank spindle (60) and pawl (50) of the ratchet during the resetting stroke of the ratchet yoke.
摘要翻译：本发明一般涉及气动棘轮机构（10），特别涉及一种用于在棘轮复位过程中辅助轴柄保持的装置。根据本发明，在棘轮头的柄轴（60）中设置至少一个凹部（66），以在其中容纳弹簧（64）。弹簧的端部被压靠在棘轮头（30）的内表面上，以在棘轮轭的复位行程期间摩擦地保持棘轮的柄轴（60）和棘爪（50）。

2. 发明公开

EP0075984A3 Ratchet nutrunner with audible torque signal 失效
标题翻译：具有可调扭矩信号的RATCHET NUTRUNNER
公开(公告)号：EP0075984A3
公开(公告)日：1984-05-09
申请号：EP82201149
申请日：1982-09-16
申请人： CHICAGO PNEUMATIC TOOL COMPANY
发明人： Wallace, William K. , Giardino, David A.
IPC分类号： B25B23/145 , B25B23/142
CPC分类号： B25B23/145
摘要： A pneumatically powered hand-held torque wrench having a handle portion (12) which can be forced out of axial alignment with a work engaging end of the tool by manual force applied to the handle portion of the tool, whereby an enclosed torque tube (28) will operate through a cam arrangement (48, 50, 54) to cause the inner surface of the handle portion (12) to move with a snap action into contact with one of the cams in the cam arrangement to cause an audible signal which will indicate to the operator that a predetermined torque has been applied to the set fastener. The snap action is accompanied by a slight slipping action which is sensed by the tool operator.

3. 发明授权

EP0876883B1 Pneumatic tool with a reverse valve having an overdrive 失效
标题翻译：设有与过驱动换向阀组合气动工具
公开(公告)号：EP0876883B1
公开(公告)日：2006-05-24
申请号：EP98107828.0
申请日：1998-04-29
申请人： Chicago Pneumatic Tool Company
发明人： Giardino, David A.
IPC分类号： B25F5/00 , B25B21/02
CPC分类号： F01C20/14 , B25B21/02 , B25B23/1453 , B25F5/00 , F01C20/04

4. 发明公开

EP0876883A3 Pneumatic tool with a reverse valve having an overdrive 失效
标题翻译：乌姆凯尔通风管理系统有限公司
公开(公告)号：EP0876883A3
公开(公告)日：2003-04-02
申请号：EP98107828.0
申请日：1998-04-29
申请人： Chicago Pneumatic Tool Company
发明人： Giardino, David A.
IPC分类号： B25F5/00 , B25B21/02
CPC分类号： F01C20/14 , B25B21/02 , B25B23/1453 , B25F5/00 , F01C20/04
摘要： The invention is a pneumatic tool with a reverse valve having an overdrive. In particular, the pneumatic tool includes a housing, a rotor, rotatably mounted within the housing, an output shaft operatively coupled to the rotor, and pressure chambers defined between the housing and the rotor. A pneumatic reverse valve having an overdrive is operatively coupled to the rotor. The overdrive provides increased torque and increased speed to the output shaft. The reverse valve controls flow of pressurized air to a multi-chambered motor of the tool such that the direction of the motor can be reversed and the number of pressure chambers receiving pressurized air can be selected regardless of direction.
摘要翻译：本发明是具有反向阀的气动工具，其具有过驱动。特别地，气动工具包括壳体，可旋转地安装在壳体内的转子，可操作地联接到转子的输出轴以及限定在壳体和转子之间的压力室。具有过驱动的气动反向阀可操作地联接到转子。超速传动可以提供更大的扭矩并提高输出轴的速度。反向阀控制加压空气流到工具的多室电动机，使得马达的方向可以反转，并且可以选择接受加压空气的压力室的数量，而不管方向如何。

5. 发明公开

EP0908273A3 Ratchet wrench head 审中-公开
标题翻译：棘轮扳手头
公开(公告)号：EP0908273A3
公开(公告)日：2000-03-22
申请号：EP98308205.8
申请日：1998-10-08
申请人： Chicago Pneumatic Tool Company
发明人： Giardino, David A.
IPC分类号： B25B21/00
CPC分类号： B25B21/004 , B25B13/465
摘要： The present invention relates generally to pneumatic ratcheting mechanisms (10) and in particular to a device to aid in shank spindle retainment during ratchet resetting. According to the present invention, at least one recess (66) is provided in the shank spindle (60) of a ratchet head to receive a spring (64) therein. The end of the spring is compressed against an interior surface of the ratchet head (30) to frictionally retain the shank spindle (60) and pawl (50) of the ratchet during the resetting stroke of the ratchet yoke.

6. 发明公开

EP0849052A3 Throttle air inlet for a pneumatic tool 失效
标题翻译：进气节流阀的气动工具
公开(公告)号：EP0849052A3
公开(公告)日：1999-07-28
申请号：EP97120465.6
申请日：1997-11-21
申请人： Chicago Pneumatic Tool Company
发明人： Giardino, David A. , Messina, Peder, III
IPC分类号： B25F5/00
CPC分类号： B25F5/00
摘要： A throttle air inlet for a pneumatic tool which includes a swivel air inlet bushing for rotatably attaching the pneumatic tool to a pressurized air supply hose. The air inlet bushing includes a first groove, formed on an exterior surface of the bushing, which rotatably mates with a pin-roll inserted in the handle of the pneumatic tool. This configuration allows the air inlet bushing to rotate about its longitudinal axis within the handle of the pneumatic tool. When the air supply hose is attached to the exterior end of the air inlet bushing, the pneumatic tool can be swiveled independently of the air supply hose.

7. 发明公开

EP0849052A2 Throttle air inlet for a pneumatic tool 失效
标题翻译： Lufteinlassdrosselfürein pneumatisches Werkzeug
公开(公告)号：EP0849052A2
公开(公告)日：1998-06-24
申请号：EP97120465.6
申请日：1997-11-21
申请人： Chicago Pneumatic Tool Company
发明人： Giardino, David A. , Messina, Peder, III
IPC分类号： B25F5/00
CPC分类号： B25F5/00
摘要： A throttle air inlet for a pneumatic tool which includes a swivel air inlet bushing for rotatably attaching the pneumatic tool to a pressurized air supply hose. The air inlet bushing includes a first groove, formed on an exterior surface of the bushing, which rotatably mates with a pin-roll inserted in the handle of the pneumatic tool. This configuration allows the air inlet bushing to rotate about its longitudinal axis within the handle of the pneumatic tool. When the air supply hose is attached to the exterior end of the air inlet bushing, the pneumatic tool can be swiveled independently of the air supply hose.
摘要翻译：一种用于气动工具的节流空气入口，其包括用于将气动工具可旋转地附接到加压空气供应软管的旋转空气入口衬套。空气入口衬套包括形成在衬套的外表面上的第一凹槽，其与插入气动工具的手柄中的销辊可旋转地配合。这种构造允许空气入口衬套围绕其纵向轴线在气动工具的手柄内旋转。当供气软管连接到进气套管的外端时，气动工具可独立于供气软管旋转。

8. 发明公开

EP0876883A2 Pneumatic tool with a reverse valve having an overdrive 失效
标题翻译：设有与过驱动换向阀组合气动工具
公开(公告)号：EP0876883A2
公开(公告)日：1998-11-11
申请号：EP98107828.0
申请日：1998-04-29
申请人： Chicago Pneumatic Tool Company
发明人： Giardino, David A.
IPC分类号： B25F5/00 , B25B21/02
CPC分类号： F01C20/14 , B25B21/02 , B25B23/1453 , B25F5/00 , F01C20/04
摘要： The invention is a pneumatic tool with a reverse valve having an overdrive. In particular, the pneumatic tool includes a housing, a rotor, rotatably mounted within the housing, an output shaft operatively coupled to the rotor, and pressure chambers defined between the housing and the rotor. A pneumatic reverse valve having an overdrive is operatively coupled to the rotor. The overdrive provides increased torque and increased speed to the output shaft. The reverse valve controls flow of pressurized air to a multi-chambered motor of the tool such that the direction of the motor can be reversed and the number of pressure chambers receiving pressurized air can be selected regardless of direction.

9. 发明公开

EP0420003A3 Powered impact wrench 失效
标题翻译：动力扳手
公开(公告)号：EP0420003A3
公开(公告)日：1991-12-27
申请号：EP90117906.9
申请日：1990-09-18
申请人： CHICAGO PNEUMATIC TOOL COMPANY
发明人： Giardino, David A. , Wallcace, William K. , Groshans, Joseph R.
IPC分类号： B25B21/02
CPC分类号： B25B21/02
摘要： A reversible powered impact wrench (10) is provided wherein improvements are incorporated in the detenting of the reverse direction valve (24), venting of excessive air pressure within the impact wrench motor housing (12) which may use light weight material due to improved clutch (54,56) and camming means (53,60,62) and wherein an improved one piece anvil-timing shaft (61) is designed to be supported by the impact wrench hammer (54) and rotor (66).

10. 发明公开

EP0420003A2 Powered impact wrench 失效
标题翻译： Angetriebener Schlag-Schraubenzieher。
公开(公告)号：EP0420003A2
公开(公告)日：1991-04-03
申请号：EP90117906.9
申请日：1990-09-18
申请人： CHICAGO PNEUMATIC TOOL COMPANY
发明人： Giardino, David A. , Wallcace, William K. , Groshans, Joseph R.
IPC分类号： B25B21/02
CPC分类号： B25B21/02
摘要： A reversible powered impact wrench (10) is provided wherein improvements are incorporated in the detenting of the reverse direction valve (24), venting of excessive air pressure within the impact wrench motor housing (12) which may use light weight material due to improved clutch (54,56) and camming means (53,60,62) and wherein an improved one piece anvil-timing shaft (61) is designed to be supported by the impact wrench hammer (54) and rotor (66).
摘要翻译：提供了一种可逆式动力冲击扳手（10），其中改进结合在反向阀（24）的止动中，排气冲击扳手马达壳体（12）内的过大的空气压力可能由于改进的离合器而使用重量轻的材料（54,56）和凸轮装置（53,60,62），并且其中改进的一件砧正时轴（61）设计成由冲击扳手（54）和转子（66）支撑。

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