Adjustable closure device for sports shoes

Claim 1

A stepless adjustable closure device, for use in connection with a sports shoe having two parts to be releasably put in closing position relative to each other and including a first closure member connected to one of said parts, comprising in combination, holding means adapted to be connected to said other part, an axially adjustable curved thread carrying arcuate spindle having at least one longitudinal surface and being held by said holDing means and being movable longitudinally for adjustment, a second closure member connected to said spindle and movable therewith and being adapted to engage said first closure member under tension, said holding means including two journal means spaced apart from each other and each surrounding said spindle sufficiently closely thereby substantially restraining said spindle from moving laterally, said journal means defining therebetween a space open at least at one side, an adjustable nut operative to support and engage the thread of said spindle and being disposed in said space and being manually rotatable relative to said axially adjustable thread by reaching through said open side into said space, whereby said spindle will be moved longitudinally for adjusting the position of said spindle and thereby the position of said second closure member relative to said holding means, and wedge means connected to said journal means substantially restraining said nut from moving in a direction between said journal means, whereby said spindle will be substantially restrained from moving with the nut longitudinally.