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1. 发明授权

US5342195A Dental syringe tip and adaptor 失效
标题翻译：牙科针头和适配器
公开(公告)号：US5342195A
公开(公告)日：1994-08-30
申请号：US4098
申请日：1993-01-13
申请人： Warren Davis , David Wasserman , Richard R. Mathews
发明人： Warren Davis , David Wasserman , Richard R. Mathews
IPC分类号： A61C17/02 , A61G17/02 , A61C1/10 , A61C1/12
CPC分类号： A61C17/0202
摘要： Various adaptors are used for securing a replaceable syringe tip in operative relationship to a handpiece body. The syringe tip is mounted on a tapered male connector set in the hollow interior of the adaptor. O ring seals and a metal flange member are used to prevent the leakage of air or water passing from the handpiece into the interior of the adaptor and then into the syringe tip. A captivated thumb nut is utilized to prevent the thumb nut from accidently disengaging completely from the adaptor. When the thumb nut is loosened to replace a syringe tip, the thumb nut will remain captivated on the adapter, only loosening enough to allow removal and insertion of a syringe tip.
摘要翻译：使用各种适配器来将可更换的注射器末端固定在与手持件本体的操作关系中。注射器尖端安装在设置在适配器的中空内部的锥形公连接器上。使用O型圈密封件和金属法兰构件来防止从手持件流入适配器内部然后进入注射器末端的空气或水的泄漏。使用迷人的拇指螺母来防止拇指螺母从适配器中意外脱离。当拇指螺母松开以更换注射器尖端时，拇指螺母将保持固定在适配器上，只能松动以使其能够移除和插入注射器尖端。

2. 发明授权

US5192206A Dental syringe tip and adaptor 失效
标题翻译：牙科针头和适配器
公开(公告)号：US5192206A
公开(公告)日：1993-03-09
申请号：US596987
申请日：1990-10-11
申请人： Warren Davis , David Wasserman , Richard R. Mathews
发明人： Warren Davis , David Wasserman , Richard R. Mathews
IPC分类号： A61C17/02
CPC分类号： A61C17/0202
摘要： Various adaptors are used for securing a replaceable syringe tip in operative relationship to a handpiece body. The syringe tip is mounted on a tapered male connector set in the hollow interior of the adaptor. O ring seals and a metal flange member are used to prevent the leakage of air or water passing from the handpiece into the interior of the adaptor and then into the syringe tip. A captivated thumb nut is utilized to prevent the thumb nut from accidently disengaging completely from the adaptor. When the thumb nut is loosened to replace a syringe tip, the thumb nut will remain captivated on the adapter, only loosening enough to allow removal and insertion of a syringe tip.
摘要翻译：使用各种适配器来将可更换的注射器末端固定在与手持件本体的操作关系中。注射器尖端安装在设置在适配器的中空内部的锥形公连接器上。使用O型圈密封件和金属法兰构件来防止从手持件流入适配器内部然后进入注射器末端的空气或水的泄漏。使用迷人的拇指螺母来防止拇指螺母从适配器中意外脱离。当拇指螺母松开以更换注射器尖端时，拇指螺母将保持固定在适配器上，只能松动以使其能够移除和插入注射器尖端。

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