Shoes with automatic shoestring tying/untying mechanism

Details Shoes with automatic shoestring tying/untying mechanism Shoes with automatic shoestring tying/untying mechanism

1998-07-07

1999-11-16

Sewell, Paul T.

Boots, shoes, and leggings

Uppers

Closure

36 505, 361181, A43C 1112, A43B 326, A43B 324

Patent

active

059835303

ABSTRACT:
This invention relates to shoes with an automatic shoestring tying/untying device, and particularly to an automatic shoestring tying or untying device which is synchronous with wearing/taking-off action, and in which the tightness is adjustable. The device has a tying mechanism, slidable action and adjustment mechanism in the sole space, and shoestrings are inserted in the tying mechanism and extending through a shuttle piece and adjustment mechanism. The shuttle piece slides back and forth to let shoestring be tightened when wearing the shoes or to be automatically loosened in accordance with taking off the shoes. Adjustment of the arm adjusts the shuttle piece moving stroke to adjust the tightness of the shoestrings.

REFERENCES:
patent: 5026087 (1991-06-01), Wulf et al.
patent: 5175949 (1993-01-01), Seidel
patent: 5791068 (1998-08-01), Bernier et al.
patent: 5839210 (1998-11-01), Bernier et al.

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