JPH09253267A - Back support device for boots for snow board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a back support device which can be easily mounted on a snow board equipped with an existing step in type boot binding device. SOLUTION: This back support device comprises a plate 1 for mounting fixed between a boot binding device B and a snow board S and a back support member 2 which is detachably fixed on the plate 1 for mounting and comes in contact with an area above the heel of each boot Y for the snow board from behind it. The plate 1 for mounting is provided with screw holes corresponding to mounting screws of a base plate 51 of the boot binding device B while having a pair of right and left rising walls 5 and 5 set to a height allowing the right-wise and left-wise inclination of the boot Y facing right and left sides of the boot Y. The back support member 2 is screwed down on the rising walls 5 and 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a back support device for a snowboard boot used to prevent the ankle of a snowboard boot fixed on a snowboard from bending backward.

[0002]

[Prior Art and Challenges] Snowboards, which have become popular recently, have an alpine style mainly for downhill skiing, a turn,
It is roughly divided into freestyle, which mainly consists of jumps,
There are also snowboard boots that match the competition style. That is, in the Alpine style,
While hard boots are used that have hard ankles and are easy to edging at high speed turns, freestyle is
Soft boots with relatively free ankles are used.

However, when the soft boot is mounted on the board by using the ordinary boot binding device having the back support for supporting the rear surface of the boot and the buckle for restraining the upper surface of the boot, the effect of wearing the soft boot is diminished. Therefore, in recent years, in order to make the most of the features of the soft boot, a step-in type boot binding device has been introduced which is designed to support and support only the bottom surface of the boot.

This step-in type boot binding device (B) has a binding body (52) mounted on a base plate (51) fixed by mounting screws (57) on the snowboard (S) as shown in FIG. ) Is fixed via a connecting fixing screw (53), and a pair of front and rear vertical holes (54) (54) provided in the binding body (52).
Engaging pins (55) (55) are provided so as to be horizontally retractable from the inner edge of the inside of the hole. On the other hand, a metal fitting (not shown) having an engagement hole for engaging with the engagement pins (55) (55) is provided on the back surface of the snow boot, and the boot wearer can attach the handle (56) to the arrow. The engaging pins (55) (55) of the binding body (52) are submerged in the binding body (52) by rotating in the direction of, and then the engaging fittings of the boot are inserted into the vertical holes (54) (54). While inserting, stand on the binding device, return the handle (56) to its original position, and engage the engagement pins (55) (55) with the engagement holes, so that the boot is fixed on the binding device. is there. Also, when the handle (56) is moved from the boot fixed state in the direction of the arrow, that is, to the position where the engagement pins (55) (55) are submerged in the binding body, the engagement pins (55) (55) and the engagement holes The engagement with is released and the boot can be released from the binding device.

However, even among freestyle competitions, at least the backward bending of the ankle is prevented, as in the competition called the half pipe, which is performed on a special course made by digging the slope slope into a semi-cylindrical shape. Are preferred, i.e., require back support.

However, since the step-in type boot binding device does not have a back support, it is necessary to replace the boot binding device with a back support with a boot support device with a back support in advance when performing a half pipe competition. You have to change to another board with the device. However, such replacement is troublesome, and it is irrational not only in terms of transportation but also in terms of transportation to prepare two types of boot binding devices or boards.

The present invention has been made in view of the above circumstances, and provides a back support device that can be easily attached to and detached from a snowboard equipped with an existing step-in type boot and binding device, if necessary. The purpose is to do.

[0008]

In order to achieve the above object, the invention as set forth in claim 1 is a mounting plate fixed between a step-in type boot binding device and a snowboard, and the mounting plate. And a back support member that is detachably fixed to the boot plate and comes into contact with at least a region above the heel of the boot from the rear of the snowboard boot, and the mounting plate is a screw for mounting the base plate of the boot binding device. In addition to having corresponding screw holes, it is provided with a pair of left and right rising walls facing the left and right side surfaces of the boot and set to a height that allows the boot to tilt in the left-right direction, and the back support member is screwed to the rising walls. The configuration will be adopted.

According to a second aspect of the present invention, the back support member is provided with a back support body that abuts on an area above the boot including the ankle, and a pair of left and right arm portions corresponding to the rising wall. It is composed of a U-shaped back support main body supporting member, and adopts a configuration in which the back support main body is screwed to the middle part of the arm portion, and the angle of the back support main body can be freely adjusted,
It is said that the back support body can be laid down during storage and transportation so that the back support member can be in a compact state which is lower in volume than in use.

According to a third aspect of the present invention, the back support body supporting member is provided with a horizontal elongated hole at a tip end portion of the arm portion, through which a bolt connecting the rising wall and the arm portion penetrates. It is said that the back support body can be adjusted to an appropriate position according to the size of the boot.

According to a fourth aspect of the present invention, a plurality of screw holes are arranged in the rising wall of the mounting plate in the horizontal direction at predetermined intervals, and the back support main body is adapted to the size of the boot. It is said that it can be adjusted to an appropriate position.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing a state in which a back support device (A) according to the present invention is set on a snowboard (S) through an existing step-in type boot binding device (B). The binding device (B) is the same as that shown in FIG.

The back support device (A) has a mounting plate (1) fixed between the lower surface of the boot binding device (B) and the snowboard (S), and is screwed to the mounting plate (1). Back support member (2).

As shown in FIG. 2, the mounting plate (1) is for mounting the base plate (51) of the boot binding device (B) slightly behind the center of the strip-shaped substrate (3) in the longitudinal direction. A plurality of arcuate screw holes (4) (4) ... Corresponding to the screws (57) are provided and screwed on the board (S) together with the base plate (51), and at the same time, the base plate (51 It is said that the angle can be finely adjusted. In addition, when the boot is attached to the rear end side edge of the substrate (3), a laterally long rising that corresponds to the side surface of the boot (Y) and is set to a height that allows the boot (Y) to tilt in the left-right direction. Walls (5) (5) are erected, and a plurality of screw holes (6) (6) for screwing the back support member (2) are provided on each of the rising walls (5) (5). It is provided at a predetermined interval in the horizontal direction. A large number of punched holes (7), (7) ... Are provided in the front end portion and the rear end portion of the substrate (3) to reduce the weight of the plate.

The back support member (2) includes a back support body (11) that abuts on an upper region of the boot (Y) including the ankle, and the rising walls (5) (5).
And a pair of left and right arm portions (13) (13) corresponding to the above, and a back support main body supporting member (12) having a substantially U-shaped cross section, each arm portion (12) (12) having the rising wall. (5)
A pair of front and rear elongated holes (1) corresponding to the screw holes (6) of (5)
4) (14) are provided, and the bolts (15) and (15) penetrating the screw holes (6) and the long holes (14) are tightened with nuts, so that the back support body supporting member (12) is It is intended to be fixed to the mounting plate (1). (16) is the upper end (13a) (13) of the arm (13) (13).
The back support body mounting screw holes provided in a) are provided in two diagonally up and down relations, and the mounting position of the back support body (11) can be selected according to the size of the boot (Y). There is. (17) is a nut corresponding to the bolt (15).

The back support body (11) comprises a pair of left and right leg portions (21) (21) extending from the left and right end portions of the main body portion (20) contacting the rear surface of the boot. ) (2
1) corresponds to the screw hole (16) for mounting the back support body of the back support body supporting member (12).
Individual screw holes (25) (25) (25) are provided at predetermined intervals in the horizontal direction, and the mounting position of the back support body (11) can be selected according to the size of the boot. (31) is a bolt for attaching the back support body (11) to the back support body supporting member (12), and (32) is a nut corresponding to the bolt (31).

As is apparent from the above description, the back support device (A) having the above-described structure has a mounting plate (in advance) when mounting the step-in type boot binding device (B). 1) is the base plate (51) of the boot binding device (B),
The base plate mounting screw (57) is interposed between the snowboard (S) and the base plate mounting screw (57), and the mounting plate (1) is screwed onto the snowboard. Since the rising walls (5) and (5) of the mounting plate (1) are set to a height that allows the boot (Y) to be tilted in the left-right direction, especially in a competition that does not require back support. The use of the mounting plate (1) with the plate attached will not cause any problems.

Then, in order to fix the back support member (2) to the mounting plate as required, the back support body supporting member (1) is attached to the outer surface of the rising walls (5) (5).
The arms (13) and (13) of 2) are polymerized, the bolts (15) and (15) are passed through the screw holes (6) and the elongated holes (14), and the nuts (17) are tightened. . At this time, a plurality of screw holes (6) are arranged in the rising walls (5) (5) at predetermined horizontal intervals, while a pair of front and rear elongated holes (14) are formed in the arm (13). (14) is provided so that an appropriate fixing position can be selected according to the size of the boot.

The back support body (11) is previously screwed to the back support body support member (12), but the leg portions (21) (2) of the back support body (11) are
In 1), three screw holes (25) are provided at predetermined intervals in the horizontal direction, while upper end portions (13a) of the arm portions (13) (13) of the back support main body supporting member (12). (13a) has screw holes (16) (16) for attaching the back support body.
Since the two are provided in an obliquely vertical relationship, an appropriate mounting position can be selected according to the size of the boot (Y).

When the back support member (2) is unnecessary, the bolts (15) (1
5) is removed, and the back support member (2) may be removed from the mounting plate (1). In addition, at the time of storage, transportation, or transportation, loosen the nuts (32) (32) of the back support body (11) to move the back support body (11) to the arms (13) (13) of the back support body support member (12). If you lie down on the side, you can make it lighter than when you use it.

[0022]

The back support device (A) for a snowboard boot according to the present invention is a mounting plate (1) fixed between a step-in type boot binding device (B) and a snowboard (S). And a back support member (2) which is detachably fixed to the mounting plate (1) and which comes into contact with at least an area above the heel of the boot (Y) from the rear of the snowboard boot. This is convenient because it can be easily attached to and detached from the existing step-in type boot binding device (B) having no back support.

Further, since the mounting plate (1) is provided with the screw holes (4) corresponding to the mounting screws of the base plate (51) of the boot binding device (B), the base plate (51) is mounted on the board (S). ), It can be attached together with the base plate (51), and the fixing means dedicated to the attachment plate (1) is unnecessary, so the number of members is not increased. Moreover, the mounting plate (1) has a pair of left and right rising walls (5) (5) facing the left and right side surfaces of the boot (Y) and having a height that allows the boot to be tilted in the left-right direction, Since the back support member is attached to the rising wall, after removing the back support member (2), the attachment plate (51) is attached to the board (S).
It does not interfere with snowboarding even if it is fixed on the top, so the advantages of the step-in type boot binding device (B) and the soft boot suitable for the device (B) are impaired. There is no.

In the second aspect of the present invention, the back support member (2) is in contact with the upper region including the ankle of the boot (Y) including the ankle, and the rising wall (5) ( 5) a pair of left and right arms (1
3) A back support body supporting member (12) having a substantially U-shaped cross section provided with (13).
Since 1) is screwed to the middle part of the arm, the nut (32) (3
By loosening 2), the back support body (11) can be laid down on the arm side to make it compact and less bulky than in use.

According to the third aspect of the present invention, a bolt (for connecting the rising walls (5) and (5) and the arm portions (13) and (13) to the arm portion tip portion of the back support body supporting member (12) ( 15) Since the horizontal elongated holes (14) through which the (15) (15) penetrate are provided, the back support main body (11) is attached to the boot (Y).
You can adjust the position to suit your size.

According to the invention of claim 4, a plurality of screw holes (6) are arranged in the rising wall (5) (5) of the mounting plate (1) at predetermined intervals in the horizontal direction. , The back support body (11) can be adjusted to an appropriate position according to the size of the boot (Y).

[Brief description of drawings]

FIG. 1 is a perspective view of a back support device according to the present invention mounted on a snowboard.

FIG. 2 is a rear view in which the same portion is cut out and shown,

FIG. 3 is a perspective view of a mounting plate.

FIG. 4 is an exploded perspective view of a back support member.

FIG. 5 is an exploded perspective view of a step-in type binding device.

[Explanation of symbols]

 A ... Back support device B ... Boot binding device S ... Snowboard Y ... Snowboard boots 1 ... Mounting plate 2 ... Back support member 4 ... Screw hole 5 ... Rise wall 6 ... Screw hole 11 ... Back support body 12 ... Back support Main body support member 13 ... Arm 14 ... Slot 15 ... Bolt

Claims (4)

[Claims] 1. A mounting plate fixed between a step-in type boot binding and a snowboard, and a mounting plate which is detachably fixed to the mounting plate and which is at least above the heel of the boot from the rear of the snowboard boot. And a back support member that abuts the area of the boot binding device, wherein the mounting plate has screw holes corresponding to the mounting screws of the base plate of the boot binding device, faces the left and right side surfaces of the boot, and extends in the left and right direction of the boot. A back support device for a snowboard boot, comprising a pair of left and right rising walls set to a height that allows tilting, and a back support member screwed to the rising walls. 2. A back support member having a substantially U-shaped cross section including a back support main body that abuts an upper region including ankles of a boot, and a pair of left and right arm portions corresponding to the rising walls. The back support device for a snowboard boot according to claim 1, further comprising a support body support member, wherein the back support body is screwed to the middle portion of the arm portion. 3. The snowboard boot according to claim 2, wherein a horizontal long hole through which a bolt connecting the rising wall and the arm portion penetrates is provided at a tip portion of the arm portion of the back support body supporting member. Back support device. 4. The back support device for a snowboard boot according to claim 2, wherein the mounting plate has a plurality of screw holes horizontally arranged at predetermined intervals on a rising wall.