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    • 5. 发明授权
    • Game caller having diaphragm means, megaphone and bellows
    • 游戏来电者有隔膜装置,扩音器和风箱
    • US3968592A
    • 1976-07-13
    • US499838
    • 1974-08-23
    • Frank R. Piper
    • Frank R. Piper
    • A01M31/00G10K9/02G10K9/18
    • G10K9/02A01M31/004G10K9/18
    • A game caller is shown including a diaphragm assembly that is vibrated in opposite directions by rapid bursts of air from a bellows. The only opening in the bellows is tubular and it is attached to one end of an elongated tubular housing where an end cap holds the diaphragm assembly onto the housing. The free end of the tubular housing permanently carries a cone-shaped megaphone forming a sound amplifier. A tubular cloth case has one end secured to the outer surface of the housing and the other end has a sewed pocket containing a drawstring. The case is utilized as a container for the bellows in a collapsed state for transporting the game caller. To prevent inadvertant operation, the closed end of the bellows may have an exhaust opening that is to be blocked during operation of the caller.
    • 示出了游戏者呼叫者,其包括通过从波纹管的快速爆发的空气在相反方向振动的隔膜组件。 波纹管中唯一的开口是管状的,并且其连接到细长管状壳体的一端,其中端盖将隔膜组件保持在壳体上。 管状壳体的自由端永久地携带形成声音放大器的锥形扩音器。 管状布壳体的一端固定在壳体的外表面上,另一端具有包含抽绳的缝制袋。 该箱被用作用于运送游戏主叫者的折叠状态的波纹管的容器。 为了防止不经意的操作,波纹管的封闭端可能具有在呼叫者操作期间被阻塞的排气口。