Boots – shoes – and leggings – Boots and shoes – Occupational or athletic shoe
Patent
1987-04-13
1990-05-01
Chi, James K.
Boots, shoes, and leggings
Boots and shoes
Occupational or athletic shoe
36114, 36120, 280613, A43B 504, A43C 900
Patent
active
049206656
ABSTRACT:
A ski boot minimizes torsional rotation of the foot while permitting bending movement about the ball of the foot. The ski boot includes a toe portion connected to a heel portion by a hinge structure that prohibits torsional movement therebetween. A heel bracket is connected to and pivots with respect to the toe portion independently of the heel portion. The toe portion has a forward tip that may engage a front ski binding, and the heel bracket has a heel member that may engage a rear ski binding. The heel portion may be releasably fastened to the heel bracket for alpine skiing and walking or released for nordic skiing. Hyperextension and hyperflexion limit stops are provided. Extension linkage may be implemented to space the toe and heel portions.
REFERENCES:
patent: 4640026 (1987-02-01), Kirsch et al.
patent: 4677769 (1987-07-01), Ahmad et al.
Ahmad Eddress
Pack Roger N.
Chi James K.
Martin Timothy J.
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