Patent ID: 11919740
Assignee: BOA TECHNOLOGY INC.
Field: Other consumer goods (Other fields)
Classification: CPC B  A  F | IPC A  B  F

Claim 17:
18. A reel based closure device for tightening an article comprising:
a housing;
a spool that is rotatable to wind a tension member about the spool, the spool including axially oriented teeth;
a knob core that includes axially oriented teeth that operably couple with the axially oriented teeth of the spool, the knob core being rotatable in a tightening direction to cause the spool to rotate in the tightening direction and thereby wind the tension member about the spool; and
a biasing component that is operably engaged with the spool to bias the spool axially into operable engagement with the knob core;
wherein the plurality of axially oriented teeth of the spool and the axially oriented teeth of the knob core are tapered or sloped so that the spool is pulled axially into increased engagement with the knob core as the knob core is rotated in the tightening direction.