Device for loosening front wheels of pushchair attached to supporting leg of pushchair frame, has lever rotatably coupled to base and provided with positioning piece, and positioning groove arranged at lowest edge of support

摘要

The device has a locking groove formed at a lateral wall of a supporting leg (11). A fastening bolt (23) intervenes into the locking groove, and a base (3) is provided with a roller (12). A connecting rod is arranged protrudingly on a head section of the base. The connecting rod is provided with a fastening groove, and the fastening bolt intervenes into the fastening groove. A positioning lever (32) is rotatably coupled to the base and provided with a positioning piece (321). A positioning groove corresponds to the piece and is arranged at a lowest edge of a support (2).