Boots – shoes – and leggings – Boots and shoes – Occupational or athletic shoe
Patent
1990-07-06
1992-02-18
Sewell, Paul T.
Boots, shoes, and leggings
Boots and shoes
Occupational or athletic shoe
36 54, 36 50, 36118, A43B 504
Patent
active
050882120
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a ski boot with a rear part, which can be bent or folded back, for rear entry, with a lower shell and an upper that can swivel relative to the lower shell, in which the swivable upper exhibits a flap, said flap runs in the peripheral direction of the upper and backward to the rear part and is placed overlapping the upper on the outside in a region of the upper facing the toe of the boot and lying perpendicular to the longitudinal median plane of the boot, and the flap with its free end region can be connected to the upper at various vertical positions.
A ski boot of the initially named type has become known, for example, from EP-A 172 158. In this known ski boot the flap above the instep serves for improving the matching of the boot to the shape of the leg, and the flap, which extends perpendicular to the longitudinal median plane of the boot, can be made one piece with the cuff or upper or can be made as a separate flap. Especially to achieve an inclination of the upper relative to boot longitudinal median plane perpendicular to the sole, it has further become known to design vertically adjustable the pivot points of the upper or cuff on the lower shell. While such an adjustment of the inclination from the longitudinal median plane toward both sides basically changes the damping behavior in a pivoting of the boot in the direction toward the forward lean, by the design of a boot with a flap extending perpendicular to the longitudinal median plane a fitting to the various leg shapes or calf shape as well as an adjustability of the pin of the upper relative to the longitudinal median plane of the ski boot can be attained, without in this case the pivotability in the direction of a forward lean or a backward lean being influenced or adversely affected. Such a flap, extending perpendicular to the longitudinal median plane of the boot especially facilitates a sealing of the boot at its upper edge, without undesirable pressure points on the leg occurring.
The known design according to EP-A 172 158 provided that this flap extending perpendicular to the longitudinal median plane of the boot is tightened by a tightening element toward the rear part that can be folded back. The closing position of the boot, in which the rear part that can be folded back is connected with the flap by the tightening element, in this case depends on the inside diameter of the opening of the boot in the closed state, and this inside diameter of the opening of the boot can be defined by the leg shape and the ski clothing. Depending on the size of the inside width in the closing position different force components are introduced by this tightening element into the closing flap, which can impair a fitting to the leg shape that is exact and free of pressure points.
The object of the invention is to develop a ski boot of the initially mentioned type in such a way that the fitting of the leg shape can be kept independent of the closing position and the closing force of the tightening element, which tightens the upper with the rear part that can be folded back. To achieve this object the invention consists essentially in the fact that the flap on its free end region exhibits a tunnel-shaped protuberance, that a fastening element for fastening a strap-shaped tightening element is placed on the upper in the region of the tunnel-shaped protuberance of the flap and that the width of the tightening element is smaller than the inside width of the tunnel-shaped protuberance. Because the flap exhibits a tunnel-shaped protuberance on its free end region, the strap-shaped tightening element can plunge into this tunnel-shaped protuberance and be fastened directly to the upper. The closing forces of this tightening element do not act in this way on the flap, so that the flap can serve exclusively for fitting different leg shapes, without this fitting being distorted by the closing forces.
In this case the design is advantageously made so that the tunnel-shaped protuberance of the flap is designed as an opening of the flap, said op
REFERENCES:
patent: 3886673 (1975-06-01), Check et al.
patent: 4107856 (1978-08-01), Bourque
patent: 4282659 (1981-08-01), Bourque et al.
patent: 4551933 (1985-11-01), Morell et al.
patent: 4575957 (1986-03-01), Petrini
patent: 4624063 (1986-11-01), Delery
patent: 4653205 (1987-03-01), Koch
Locker Josef
Trinkaus Gerhard
Hilliard Thomas P.
Koflach Sport Gesellschaft m.b.H. & Co. KG
Sewell Paul T.
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