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公开(公告)号：US20220347507A1
公开(公告)日：2022-11-03
申请号：US17361297
申请日：2021-06-28
发明人： Bisheng SUN
摘要： The invention discloses a multifunctional trampoline, which relates to the field of children's entertainment. The utility model relates to a multifunctional trampoline, which comprises a football frame. The left wall surface of the football frame is fixedly provided with a bottom support frame, the outer thread of the bottom support frame is provided with a top vertical strut, the upper end surface of the bottom support frame is welded with a circular frame, and the circular frame is formed by inserting a multi end arc frame and fixedly connecting with bolts, and the top surface of the circular frame is provided with a trample cloth, The top vertical strut is provided with a top connecting device, and the inner side of the top connecting device is fixedly connected with a purse seine, the inner side of the top vertical strut is provided with an arc contact block.
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公开(公告)号：US20230120364A1
公开(公告)日：2023-04-20
申请号：US17281832
申请日：2021-03-29
发明人： Bisheng SUN
IPC分类号： A63B21/075 , A63B21/072
摘要： The invention relates to an adjustable dumbbell and its use method. The dumbbell comprises a base and a dumbbell body, the dumbbell body comprises a handle and a bell piece, the handle is a combination of a central shaft and a handle sleeve, the handle is also connected with an indexing plate, a gear piece and a bell piece box, the ends on both sides of the central shaft are provided with a snap ring groove and a gear step from the outside to the inside, and the indexing plate is provided with a lock The bell box is connected with a bell box cover, the bell box cover is connected with a locking leaf spring and a steel ball spring, the locking leaf spring is connected with a locking leaf, and the steel ball spring is connected with a steel ball.
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