CPC A43C 11/165 (2013.01) [A43C 7/00 (2013.01); A43C 11/20 (2013.01); B65H 75/4449 (2013.01); B65H 75/4492 (2013.01); F16G 11/046 (2013.01); F16G 11/12 (2013.01); A43C 11/1493 (2013.01); A61F 5/01 (2013.01)] | 20 Claims |
1. A reel based closure device comprising:
a housing having an interior region;
a spool rotatably positioned within the interior region of the housing;
a tightening member rotatably coupled with the housing and operably coupled with the spool such that an operation of the tightening member causes the spool to rotate within the housing in a first direction to wind a tension member about the spool;
a central boss that extends axially in the interior region of the housing, the central boss having a distal end that includes or defines an axially extending gap; and
a reinforcement spring positioned within the axially extending gap of the central boss, the reinforcement spring being configured to reinforce the central boss.
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