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2. 发明授权

US4260079A Manually operated liquid dispensers 失效
标题翻译：手动液体分配器
公开(公告)号：US4260079A
公开(公告)日：1981-04-07
申请号：US872198
申请日：1978-01-25
申请人： John R. Cary , Walter H. Wesner
发明人： John R. Cary , Walter H. Wesner
IPC分类号： B05B11/00 , B05B11/04
CPC分类号： B05B11/3035
摘要： A manually operated dispensing device for a container holding a quantity of liquid is disclosed. The device has a variable volume pump chamber within a component retaining body. The chamber is defined by a bellows having a closed end or bottom, an open end or top, and corrugated sidewalls characterized by their resilience or elastic memory, and fabricated of any of the various thermoplastics. The bellows is associated with a movable member in the form of a trigger which when actuated compressively stresses the bellows in a direction significantly to reduce its length and the volume of the chamber therewithin. When the compression stress applied by the actuating member or trigger is relieved or removed, the bellows regains its original size and shape and returns the actuating member to its initial position. Associated inlet and outlet valves and respective conduits are also incorporated in the device whereby liquid in the liquid container is drawn into the chamber and pumped through a discharge nozzle in the form of a spray, as desired. The alternate application and relief of compressive stress by the trigger or operating member also opens and closes the valves so that liquid can be drawn into the chamber and dispensed therefrom.
摘要翻译：公开了一种用于容纳液体的容器的手动分配装置。该装置在部件保持体内具有可变容积泵室。腔室由具有封闭端或底部，开口端或顶部的波纹管以及以其弹性或弹性记忆为特征的波纹侧壁限定，并由各种热塑性塑料中的任一种制成。波纹管与触发器形式的可移动部件相关联，当致动器致动时，波纹管以显着减小其长度和其中的腔体的体积的方向被压缩应力。当由致动构件或触发器施加的压缩应力被释放或移除时，波纹管恢复其原始尺寸和形状，并将致动构件返回到其初始位置。相关的入口和出口阀和相应的管道也被并入设备中，其中液体容器中的液体被抽吸到室中，并且根据需要通过喷雾形式的排出喷嘴泵送。通过触发器或操作构件的压缩应力的替代应用和释放也打开和关闭阀，使得液体可以被吸入腔室并从中分配。

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