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发明授权
US07614697B1 Coupling mechanism interposed between a seat and a back of a chair to prevent a reclining motion of the back from tilting the seat 失效
插入在座椅和椅子背部之间的联接机构，以防止背部倾斜运动使座椅倾斜

Coupling mechanism interposed between a seat and a back of a chair to prevent a reclining motion of the back from tilting the seat
摘要：
A chair has a coupling mechanism between a seat and a back, which includes a joining member, and a coupling member; the seat has two opposite front and two opposite rear ears on a bottom; the joining member is secured on a supporting tube for the seat, and has two opposite sloping slots on each end, and intermediate adjustment slots; the connecting member has a front fixing hole, and a rear sloping slot; the joining member, the connecting member, and the seat are joined together with a first shaft passed through the front ears and the front sloping slots, with a second shaft passed through the rear ears and all of the rear sloping slots; a third shaft is passed through the adjustment slots and the fixing hole; the connecting member is further pivoted to the joining member at a middle portion; the back is joined to the connecting member.
摘要（中）：

椅子具有在座椅和背部之间的联接机构，其包括接合构件和联接构件; 座位在底部有两个相对的前部和两个相对的后耳朵; 接合构件被固定在座椅的支撑管上，并且在每个端部具有两个相对的倾斜槽和中间调节槽; 连接构件具有前固定孔和后倾斜槽; 接合构件，连接构件和座椅通过穿过前耳和前倾斜槽的第一轴连接在一起，第二轴穿过后耳和所有后倾斜槽; 第三轴穿过调节槽和固定孔; 连接构件在中间部分进一步枢转到接合构件; 背面连接到连接构件。

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