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公开(公告)号：US20130269233A1
公开(公告)日：2013-10-17
申请号：US13444192
申请日：2012-04-11
申请人： David Hyung Chin
发明人： David Hyung Chin
IPC分类号： F41A19/10
摘要： A method and apparatus providing for exchanging trigger mechanisms on firearms, airsoft guns, pellet guns, water guns, and other dischargeable devices utilizing trigger mechanisms without necessitating extra disassembly of the dischargeable device. Whereby said trigger mechanisms can by removed and assembled without excessive skill or time.
摘要翻译： 一种提供用于在枪支，气枪，丸粒枪，水枪以及利用触发机构的其它可排放装置上交换触发机构的方法和装置，而不需要额外拆卸可放电装置。 所以触发机制可以通过去除和组装而不用过多的技巧或时间。
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公开(公告)号：US20130259273A1
公开(公告)日：2013-10-03
申请号：US13431861
申请日：2012-03-27
申请人： David Hyung Chin
发明人： David Hyung Chin
IPC分类号： H04R25/00
CPC分类号： H04R1/028 , A45C2011/002 , H04B1/3888 , H04R1/02 , H04R1/026
摘要： A method and apparatus providing for the protection of the sound emitted by an audio device from physical interference during use of the audio device. Such an audio device in which said audio device may further function as at least one of the following: mobile phone, telephone, smart phone, or multimedia player. Such a method and apparatus comprising a housing with an extended portion about the speakers of the audio device whereby said extended portion protects the speakers from being covered or obstructed by unwanted material or objects.
摘要翻译： 一种方法和装置，用于保护由音频装置发出的声音免受音频装置使用期间的物理干扰。 这样的音频设备，其中所述音频设备可以进一步起到以下至少一个功能：移动电话，电话，智能电话或多媒体播放器。 这种方法和装置包括具有围绕音频装置的扬声器的延伸部分的壳体，由此所述延伸部分保护扬声器免受不想要的材料或物体的覆盖或阻挡。
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公开(公告)号：US20170205190A1
公开(公告)日：2017-07-20
申请号：US15408048
申请日：2017-01-17
摘要： In one aspect, a retractable buttstock may include a buttpad that allows the user to rest the weapon on their shoulders; a pair of extension rods; a buffer tube that allows the buttstock to attach to the firearm; and a buffer tube housing to receive the buffer tube. In an exemplary embodiment, the extension rods are hollow and a resilient unit is received in each extension rod. The extension rods have a pair of first positioning grooves and a pair of second positioning grooves to engage with stoppers of the buffer tube housing. The buttstock can be fully-extended and collapsed depending on whether the stoppers engage with the first or second positioning grooves. It is noted that the user can operate the retractable buttstock with one hand.
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公开(公告)号：US20220341690A1
公开(公告)日：2022-10-27
申请号：US17242117
申请日：2021-04-27
申请人： Shanyao Lee , David Hyung Chin
发明人： Shanyao Lee , David Hyung Chin
摘要： An adjustable spent cartridge casing deflector includes a deflector body directly attached on the firearm; wherein the deflector body includes a front side having a deflecting surface facing an expected trajectory of spent cartridge casings and being near an ejection port; wherein the deflector body is rotatably arranged on the firearm via an adjustable axis to adjust a direction of the deflecting surface; wherein the adjustable axis is configured to be rotated for selectively tightening or untightening the deflector body mounted on the firearm.
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公开(公告)号：US10054394B2
公开(公告)日：2018-08-21
申请号：US15408048
申请日：2017-01-17
摘要： In one aspect, a retractable buttstock may include a buttpad that allows the user to rest the weapon on their shoulders; a pair of extension rods; a buffer tube that allows the buttstock to attach to the firearm; and a buffer tube housing to receive the buffer tube. In an exemplary embodiment, the extension rods are hollow and a resilient unit is received in each extension rod. The extension rods have a pair of first positioning grooves and a pair of second positioning grooves to engage with stoppers of the buffer tube housing. The buttstock can be fully-extended and collapsed depending on whether the stoppers engage with the first or second positioning grooves. It is noted that the user can operate the retractable buttstock with one hand.
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