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    • 4. 发明专利
    • Handheld dehider
    • 手持式灭火器
    • JP2011142919A
    • 2011-07-28
    • JP2011065230
    • 2011-03-24
    • Jarvis Products Corpジャービス プロダクツ コーポレーションJarvis Products Corporation
    • GWYTHER PETER
    • A22B5/16
    • A22B5/163A22B5/168B25F5/00
    • PROBLEM TO BE SOLVED: To provide a handheld dehider that operated at almost constant speed when operated by applying a load and when operated without loading. SOLUTION: A dehider 10 includes: a pneumatic motor 24 driving a pair of disk blades 12 and 14 in opposed cutting oscillations; and a governor 100 for controlling a speed of the pneumatic motor 24. The governor balls 122 acting as centrifugal weights move a valve head toward a valve seat by rotating with the pneumatic motor 24 and pressing an inclined flange down to the valve head. A motion of the valve head compresses a biasing spring 112 and limits the flow of pressurized air when a desired speed is exceeded. As the speed decreases, a centrifugal force is reduced. Then, the biasing spring 112 opens the valve to provide an additional power to the pneumatic motor 24. The disk blades 12 and 14 are equipped with a cylindrical middle lip 158, 160 that substantially increases the area of a central bearing at which a blade rotates and that gives an extremely long service life for the blade. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供在通过施加负载并且在不加载的情况下操作时以几乎恒定的速度操作的手持除冰器。 脱扣器10包括:在相对的切割振荡中驱动一对盘片12和14的气动马达24; 以及用于控制气动马达24的速度的调速器100.作为离心重块的调速球122通过与气动马达24一起旋转并将倾斜凸缘向下压到阀头而使阀头朝向阀座移动。 阀头的运动压缩偏压弹簧112,并且当超过期望的速度时限制加压空气的流动。 随着速度的降低,离心力降低。 然后,偏置弹簧112打开阀门以向气动马达24提供额外的动力。盘片12和14配备有圆柱形中间唇缘158,160,其大大增加了叶片旋转的中心轴承的面积 这为刀片提供了极长的使用寿命。 版权所有(C)2011,JPO&INPIT