| 摘要 |
A lever fastening device in particular for sports footwear, comprising a U-shaped lever arm (12) hinged to one side of the vamp and a puller (34) secured to the lever arm and having its end selectively engagable in one of the teeth (38) of a rack (49) secured to the other side of the vamp, characterised by comprising:
- a plate (18), one end of which is hinged to the puller (18) and has two sidepieces provided with facing slotted holes (16), the lower surface of the other end comprising a toothed portion (20) with teeth inclined towards the end hinged to the puller,
- a transverse pin (14), positioned between the prongs of the lever arm (12) and slidable within said slotted holes (16),
- a toothed pawl (22) provided with an operating arm (26) and hinged about said pin (14) to cooperate with said toothed portion (20),
- first elastic means maintaining said toothed pawl (22) engaged with said toothed portion (20),
- second elastic means maintaining said plate (18), said pawl (22) and said lever (12) substantially in contact with the side of the vamp. |
