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公开(公告)号：US11882942B2
公开(公告)日：2024-01-30
申请号：US17600059
申请日：2020-04-15
发明人： Chang Sun Kang
摘要： An assembly for a seat includes a pivot hub defining multiple rotation axes, and a displacing module attached to the pivot hub. Extendable legs are rotatably coupled to the pivot hub and comprise locking devices movable between an unlocked position, in which the legs, when extended, are enabled to retract, and a locked position, in which the legs, when extended, are prevented from retracting. The legs are rotatable between an intermediate position and a deployed position. When the legs are extended, and when in the intermediate position, the displacing module engages the locking devices to move the locking devices from the locked position to the unlocked position. When the legs are extended, rotating the legs from the intermediate position to the deployed position brings the displacing module out of contact with the locking devices.
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公开(公告)号：US20240156269A1
公开(公告)日：2024-05-16
申请号：US18529902
申请日：2023-12-05
发明人： Chang Sun Kang
摘要： An assembly for a seat includes a pivot hub defining multiple rotation axes, and a displacing module attached to the pivot hub. Extendable legs are rotatably coupled to the pivot hub and comprise locking devices movable between an unlocked position, in which the legs, when extended, are enabled to retract, and a locked position, in which the legs, when extended, are prevented from retracting. The legs are rotatable between an intermediate position and a deployed position. When the legs are extended, and when in the intermediate position, the displacing module engages the locking devices to move the locking devices from the locked position to the unlocked position. When the legs are extended, rotating the legs from the intermediate position to the deployed position brings the displacing module out of contact with the locking devices.
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公开(公告)号：US20230210221A1
公开(公告)日：2023-07-06
申请号：US18180106
申请日：2023-03-07
发明人： Chang Sun Kang
IPC分类号： A43C15/06
CPC分类号： A43C15/061
摘要： A crampon includes a crampon base for fitting to an underside of an item of footwear, such as a shoe or a boot. A harness extends from the crampon base and may be attached to the crampon base using rivets. The harness and the crampon base define a space for receiving the item of footwear. The crampon base comprises at least one cleat assembly with a cleat base embedded within the crampon base. One or more spikes extend from the cleat base.
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公开(公告)号：US11617421B2
公开(公告)日：2023-04-04
申请号：US17285425
申请日：2019-10-15
发明人： Chang Sun Kang
IPC分类号： A43C15/06
摘要： A crampon includes a crampon base for fitting to an underside of an item of footwear, such as a shoe or a boot. A harness extends from the crampon base and may be attached to the crampon base using rivets. The harness and the crampon base define a space for receiving the item of footwear. The crampon base comprises at least one cleat assembly with a cleat base embedded within the crampon base. One or more spikes extend from the cleat base.
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公开(公告)号：US20220183471A1
公开(公告)日：2022-06-16
申请号：US17600059
申请日：2020-04-15
发明人： Chang Sun Kang
摘要： An assembly for a seat includes a pivot hub defining multiple rotation axes, and a displacing module attached to the pivot hub. Extendable legs are rotatably coupled to the pivot hub and comprise locking devices movable between an unlocked position, in which the legs, when extended, are enabled to retract, and a locked position, in which the legs, when extended, are prevented from retracting. The legs are rotatable between an intermediate position and a deployed position. When the legs are extended, and when in the intermediate position, the displacing module engages the locking devices to move the locking devices from the locked position to the unlocked position. When the legs are extended, rotating the legs from the intermediate position to the deployed position brings the displacing module out of contact with the locking devices.
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