JPS6148921B2 - - Google Patents

Description

Claim 1: The shoe has a shell member having a sole, a movable cuff member attached to the shell member, and a movable foot bed attached to the shoe sole, and the movable foot bed has a shell member and the movable cuff member attached to the shoe sole. positioning the foot between the shell member and the movable foot bed, and when the cuff member moves such that the tightness with which the foot is gripped between the shell member and the movable foot bed changes with relative movement of the cuff member; A sports shoe characterized by having a connecting member for connecting the foot bed and the cuff member for moving the foot bed. 2. The footbed is movable around a point located in the front part of the footbed, and the device for moving the footbed comprises a device for moving the footbed around the point. Sports shoes according to scope 1. 3. Claims comprising adjustable upper foot restriction means for engaging the upper surface of the foot located inside the sports shoe and means for adjusting the position of the upper foot restriction means with respect to the foot bed. Sports shoes according to item 1 of the scope. 4. A device for moving a foot bed having a movable cuff member includes a device for connecting the foot bed to the cuff member in order to move the foot bed when moving the movable cuff member. Sports shoes by section. 5. Sports shoes according to claim 3, wherein the upper foot engagement means comprises a strap device. 6. The sports shoe according to claim 4, wherein the device for connecting the foot bed to the cuff member comprises a device for raising and lowering the foot bed when moving the cuff member. 7. The strap device includes a first strap attached at one end to the interior of the sports shoe at the front part of the shoe, and a second strap attached at one end to the interior of the sports shoe near the heel of the shoe. a strap, an elongate link member, means for attaching other ends of the first and second straps to opposite ends of the elongate link member, a cable, and one end of the cable connected to the first strap and the second strap. 6. A sports shoe according to claim 5, further comprising means for connecting said cable to said link member between said straps and for connecting the other end of said cable to said sports shoe in the vicinity of the heel of said sports shoe. 8. The device for raising and lowering the foot bed comprises a device that raises the foot bed when the cuff member is moved toward the toe of the shoe, and lowers the foot bed when the cuff member is moved toward the heel of the shoe. , sports shoes according to claim 6. 9. The means for adjusting the position of the upper foot restriction means comprises a movable adjustment means located near the heel of the sports shoe;
8. A sports shoe according to claim 7, comprising means for connecting a cable from a link member to said adjustment means. 10 Regardless of the position of the cuff member relative to the shoe,
Sports shoe according to claim 8, comprising first adjustment means for adjusting the position of the foot bed in the shoe. 11. A sports shoe according to claim 8, comprising second adjustment means for adjusting the magnitude of relative movement between the foot bed and the cuff member. 12. Sports shoe according to claim 10, wherein the first adjustment means comprises an adjustment device provided on the cuff member and means for connecting the adjustment device to the foot bed. 13. The sports shoe according to claim 11, wherein the second adjusting means comprises means for adjusting the position of the attachment point of the connecting means connecting the cuff member and the foot bed. 14. The first adjustment means comprises an adjustable buckle member connected to the rear of the cuff member, and the connecting means comprises a cable for connecting said adjustable buckle member to the foot bed. Sports shoes according to claim 12. 15. The sports shoe has a lining inside the cuff member, and a cable receiving slot is provided in the lining and the cuff member for connecting the cable between the foot bed and the adjustable buckle, the slot being provided with a cable receiving slot in the lining and the cuff member. 15. Sports shoe according to claim 14, having a size and shape such that the movement of the cable is not obstructed when the foot bed is raised and lowered. Related Applications This is U.S. Patent Application No. 1, filed March 15, 1978.
This is a continuation-in-part application of No. 886946. BACKGROUND OF THE INVENTION The present invention relates generally to internal fit devices for sports shoes, and more particularly to a novel internal fit device for ski boots used for downhill skiing and the like. Conventional ski boots, such as those currently used for downhill skiing, typically consist of an outer rigid lower shell member, a relatively stiff upper cuff member, and a relatively soft inner lining. Shell and cuff members are generally designed to provide physical protection and mechanical support for the foot, ankle and lower leg and to provide a stabilizing means for releasably securing the boot to the ski. ing.
In particular, the lower shell and cuff members are configured to inhibit excessive lateral sway and backbending at the ankle, but permit constant forward bending of the leg relative to the foot. Often, depending on the use of the boot and depending on the skier's ability, the cuff member of the boot is pivotally connected to the lower shell member to allow for a certain limit of slouching or rolling of the lower leg relative to the foot. Allows bending. More advanced skiers often use ski boots with constructions without pivoting cuff members, in which forward bending or forward bending is limited or by means of separation measures in the upper front portion of the cuff member. It is allowed up to a certain limit. An internal lining is provided for warmth and overall comfort, and is also provided to adapt the single shell design and size to feet of various shapes and sizes. The manufacture of relatively rigid shell and cuff members and the molds to make them are expensive. Because of this expense, the manufacturer may have a wide range of problems such as flat feet, or wide forelegs, wide bases, angular heels, genu valgum, bony protrusions, talus, high longitudinal arches, or uneven feet. Various types of linings have been resorted to to accommodate the size and shape of the foot. Structures used for linings include molded and sheet foam rubber, urethane foam, wax, cork, plastic beads, and various other fluid materials. In practice, the large number of different materials and structures used represent the difficulty of fitting sports shoes in general, and ski boots in particular, and the unsatisfactory results hitherto achieved. One of the basic reasons is that conventional ski boots and conventional linings do not provide adequate adjustment of comfort and restraint under all skiing conditions. A well-designed ski boot should not only provide warmth and comfort, but also appropriate restraint and comfort that varies according to the dynamic or functional conditions that are important in downhill skiing. In conventional ski boots, when turning and skiing on hard snow, forward bending at the ankle is usually achieved by a tendency for upward movement of the back foot and lateral movement of the forefoot. . This is because control of the ski during rotation is typically achieved by downward and lateral forces applied to the front fore edge of the ski. In powder snow, it is kept lifted by the upward and sideways tendency of its front legs to glide on the upper surface of the fore-edge snow in front of it. When skiing on terrain of different firmness, ie, unevenness, or in Mongolia, skiers often quickly change between leaning forward and sledding in the ski boot. Under these conditions, ski control is significantly reduced when excessive foot movement occurs within the boot.
In the fall situations that cause most injuries, such excessive movement also reduces energy transfer between the foot and the release binding, thus impeding release. To avoid excessive movement of the foot in ski boots, skiers have traditionally shortened their ski boots by tightening the buckles, wearing large, thick socks, or purchasing ski boots that are too small. I had no choice but to make it too tight. Due to the stiffness of the boot shell, tight wear often results in uncomfortable pressure areas due to distortion of the relatively stiff shell. Tight shells and linings also impede blood circulation in the feet, causing cold feet and fatigue. SUMMARY OF THE INVENTION In view of the above, the main object of the present invention is to provide a dynamic internal adaptation device for a sports shoe that dynamically adjusts the fit of the sports shoe to the conditions of use. Another object of the invention is to provide an adaptation device as described above for adjusting the fit of a sports shoe as a function of the relative position of the foot and the lower leg. A further object of the present invention is to provide an adaptation device as described above, which has a movable foot bed that moves with the relative movement of the foot and the lower leg. A further object of the invention is to provide an adaptation device as described above, having means for engaging the upper surface of the foot, movable and operating in conjunction with a movable foot bed, for adjusting the fit of a sports shoe. be. Depending on the adjustments made by the user, the sports shoe according to the invention, in particular the ski boot according to the invention, can be adjusted to suit a wide range of foot sizes and shapes. A movable foot bed allows the adaptation device to be tightened and loosened as a function of the relative position of the foot and lower leg in response to bending forward and backwards. When the lower leg is bent toward the toe of the shoe, the movable foot bed is raised to tighten the shoe. When you move your leg backwards towards the heel of your shoe,
The footbeds are lowered and the shoes are loosened. the member engaging the upper surface of the foot is adjustable;
The fit of the shoe is adjusted to a predetermined position of the footbed inside the shoe. Various adjustments to the position of the foot bed and the upper engagement means can vary widely in the fit of the shoe.

[Brief explanation of the drawing]

The above objects and other objects, features and advantages of the present invention will become apparent from the following detailed description of the accompanying drawings. FIG. 1 is a sectional view of a ski boot according to the present invention, FIG.
The figure is a rear view of the ski boot of FIG. 1.

[Detailed description of the invention]

Referring to FIGS. 1 and 2, a ski boot according to the present invention is generally designated by the numeral 1. The ski boot 1 is provided with a lower shell 2, which shell 2 is connected to the sole 3 and to the shell 2, for example with a fitting 5.
It has a cuff member 4 pivotally attached to. The attachment 5 is attached to the cuff member 4 near the ankle.
is pivotally connected to the lower shell 2. There is a shell 2 near the instep part of the lower shell 2.
A relatively rigid tongue member 1 between the inner wall of the
5 is provided. A pair of band members 16 and 17 extend between the tongue member 15 and the inner wall of the shell 2;
One end of the strap member 16 is attached to the sole 3 of the ski boot by, for example, rivets, adhesive, etc. at a point 16' approximately midway between the heel of the boot and the toe of the boot. A strap 16 extends upwardly from its attachment point to the sole of the boot to the top of the tongue 15 and is pivotally connected to one end of an elongated link member 18. Another strap 17 is connected at one end to the sole 3 near the heel of the boot 17'. A strap member 17 extends from an attachment point at the heel of the boot onto the tongue member 15 and is pivotally attached at its end to the other end of an elongated link member 18. The strap members 16, 17 pass over the outside of the lining 6. Elongated link member 18 at a point between the attachment points of strap members 16, 17 and elongated link member 18
A cable 20 is pivotally connected to. The cable 20 extends from the link member 18 to an adjustment mechanism 21 which is movably mounted in the heel of the ski boot 1. The adjustment mechanism 21 is provided with a movable shaft 22 . The movable shaft 22 is movably mounted on the sole 3, and the cable 20 is attached to the shaft 22 in any suitable manner. The end of the movable shaft is provided with a knob or slot for receiving a screwdriver, which is accessible from the outside of the boot in order to turn the movable shaft and adjust the tension applied to the cable. A ratchet device or the like with a suitable ratchet release mechanism (not shown) is provided for rotating the movable shaft 22 in both directions and for fixing the movable shaft in an intermediate position. A movable foot bed 25 is provided inside the sole 3. This foot bed 25 is movably attached to the toe of the sole 3 by a hinge 26.
A cable 27 is provided at the rear of the footbed 25, that is, at the heel. A cable 27 is attached to the rear end of the foot bed 25 and extends through a cable slot 28 in the lining 6 and cuff member 4 to an adjustment buckle 29. Adjustment buckle 29 is provided with a plurality of cable receiving members or hooks 30. Batsukuru 2
At the lower end of 9 a cable guiding roller or member 31 is provided. Buckle 29 is attached to cuff member 4 by hinge 32. cable 27
may be a pair of cable members extending from a spaced apart point at the rear of the movable leg bed 25 to the buckle 29, or a pair of cable members extending to the buckle 29 for engaging one of the adjustment members 30. It may also be a real cable member. A bottom portion 6' of an inner lining 6 is provided on the inner surface of the footbed 25 for comfort and warmth. In use, when the skier bends forward, such as during a turn, the forward bending of the lower leg causes the cuff member 4 to move toward the toe of the boot. When the cuff member 4 moves toward the toe of the ski boot,
The buckle 29 pulls on a cable 27 attached to the movable leg bed 25. When the cable 27 is pulled, it lifts the movable footbed 25 out of the cavity 33 in the sole 3 of the boot 1, which slopes downwards and backwards. Conversely, when the skier moves the cuff member 4 backwards towards the heel of the boot, the movable foot bed 25 is lowered into the cavity 33. When the footbed 25 moves up and down with respect to the straps 16 and 17, the fit of the ski boots becomes tighter or looser. Thus, when a tight fit is required during a turn, the movable leg bed 25 provides a tight fit. On the other hand, during traversal, or when the skier stands upright, the footbed drops into the cavity 33, resulting in a relatively loose ride. In this way, the fit of the ski boot closely corresponds to the actual wishes of the skier. In addition to dynamically adjusting the leg bed by moving the cuff member 4, the buckle 29 is released and the cable 2
By moving the attachment point between the buckle 7 and the buckle 29, the position of the footbed can be raised or lowered. Thus, in order to raise the footbed, the cable 27 is attached to the highest of the plurality of hooks or cable receiving members 30. To lower the foot bed, the cable 27 is attached to the lowest one of the cable receiving members 30. Further adjustment is possible by adjusting the tension applied to the strap members 16,17. In order to adjust the tension applied to the straps 16, 17, the shaft 22 on which the cable 20 is attached is rotated. Depending on the direction of rotation, the amount of cable wrapped around the shaft 22 is varied. It will be apparent to those skilled in the art that in addition to the embodiments described herein and some of the additional features suggested, other changes may be made without departing from the spirit and scope of the invention. For example, cable 27
may be attached to the leg bed 25 at a location other than the rear part of the leg bed as shown. By varying the attachment points, the amount of relative movement between the cuff member and the foot bed can be varied. Therefore, the scope of the invention should not be limited to the embodiments described herein, but rather should be determined with reference to the following claims and their equivalents.