Jungle gym joint and jungle gym |
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| 申请号 | US15224932 | 申请日 | 2016-08-01 | 公开(公告)号 | US09993677B2 | 公开(公告)日 | 2018-06-12 |
| 申请人 | AGATSUMA CO., LTD; | 发明人 | Shinji Todokoro; | ||||
| 摘要 | A jungle gym joint has a joint main body including joint shafts to which pipes are connected and rotary members. The pipe is connected to one end and a folding portion is formed at the other end of the rotary member, the folding member being formed by a flat plate portion being held in a bifurcate portion together with the joint main body. A cover member including engaging projections on an inner circumferential surface is provided on an outer circumference of the folding portion. The cover member is guided to move back and forth in an axial direction by the engaging projections being brought into engagement with guide grooves. The folding portion is restricted from being folded with the cover member staying in an advanced end position while the restriction of folding thereof can be released with the cover member staying in a withdrawal end position. | ||||||
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| 说明书全文 | |||||||
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