JP3685691B2 - Roller skates - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a roller skate such as a roller skate or a roller skate board or a roller skate board that is integrated with a shoe that is attached to and detached from a shoe with a fastening belt or the like.
[0002]
[Prior art]
Japanese Patent Application Laid-Open No. 11-502135 discloses a roller skate having a plurality of rollers that can be rotated on a shoe sole, and each roller is attached to a running surface so as to be horizontally rotatable.
[0003]
[Problems to be solved by the invention]
However, in the conventional roller skates described above, a revolving motion that curves on a circular locus is possible, but it is difficult to perform a rotational motion such as spin in ice skates.
[0004]
[Means for Solving the Problems]
Therefore, the present invention provides a single intermediate rotation roller that rotates only in the front-rear direction around an axis parallel to the sliding surface in the middle portion of the plate, and in front of the intermediate rotation roller in the plate. A front swiveling roller is provided that can rotate 360 degrees horizontally about an axis perpendicular to the running surface and that rotates about a turning axis parallel to the running surface at any turning angle. A rear swiveling roller that is capable of 360 ° horizontal swiveling around an axis perpendicular to the sliding surface behind the intermediate swiveling roller and that pivots about a rotating axis parallel to the sliding surface at any swiveling angle The front slewing roller and the rear slewing roller rotate while turning around the grounding point of the intermediate rotation roller to obtain the rotation motion of the roller skates. It takes the such rotation motion of the spin is obtained as properly performed in roller skates.
[0005]
The front turning roller while arranged by shifting the positions in the front and rear on the left and right sides of the travel trajectory of the intermediate rotating roller, the rear turning roller disposed by shifting the position in the front and rear left and right sides of the running locus The left and right front swivel rollers and the left and right rear swivel rollers are arranged in a zigzag so that the spin operation of the roller skate centering on the intermediate rotation roller (fulcrum) is effectively induced, and the spin operation is stable. I was able to do it.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described with reference to FIGS.
[0007]
As shown in FIG. 1, the roller skate 1 of the present invention is provided with a single intermediate rotation roller 3 that rotates only in the front-rear direction at the lower surface intermediate portion of the plate 2. The intermediate rotation roller 3 rotates only in the front-rear direction of the plate 2, that is, the toe direction when the rider slides in a forward-facing posture, and the travel line Z of the intermediate rotation roller 3 extends in the same front-rear direction. It is formed.
[0008]
The intermediate rotation roller 3 is pivotally supported on a mounting plate 5 by a rotation shaft 4 in the left-right direction of the plate 2 and a rotation shaft 4 orthogonal to the travel trajectory Z. Fastened with screws 6. The intermediate rotation roller 3 is disposed at the center of the plate 2 as shown. Preferably, the plate 2 is disposed at the center of gravity where the weight of the rider is added.
[0009]
In the present invention, the plate 2 means a shoe-mounting plate in a detachable roller skate, a so-called sole plate attached to a shoe sole in a roller skate integrated with a shoe, or a deck or board in a roller skateboard. To do.
[0010]
The intermediate rotation roller 3 is mounted with the rotation shaft 4 serving as the center of rotation directed in the left-right direction of the plate 2, and the intermediate rotation roller 3 is mounted on the front and rear of the plate 2 (front and rear of the rider sliding forward). ) Only in the direction. That is, the travel rail Z of the intermediate rotation roller 3 is a straight line extending in the front-rear direction of the plate 2. Accordingly, the intermediate rotation roller 3 is supported by the rotation shaft 4 that is orthogonal to the traveling track Z.
[0011]
The rotation axis 4 of the intermediate rotation roller 3, that is, the rotation axis X 1 is parallel to the sliding surface 7 and the left and right direction of the plate 2, that is, the left and right direction of the rider (direction perpendicular to the running track Z). Extend to.
[0012]
A front turning roller 8 that can turn horizontally with respect to the sliding surface 7 and rotates at any turning angle is disposed in front of the intermediate turning roller 3 of the plate 2.
[0013]
The front turning roller 8 is attached to a holder 10 with a turning shaft 9, the holder 10 is attached to a mounting plate 11 through a turning shaft 22 so as to be horizontally turnable, and the mounting plate 11 is attached to the lower surface of the plate 2 with a screw 12. Conclusion with.
[0014]
The holder 10 can turn 360 degrees in the horizontal direction around the attachment point 13 to the mounting plate 11, so that the front turning roller 8 can turn 360 degrees in the horizontal direction with respect to the plate 2. The turning axis Y <b> 1 of the front turning roller 8, i.e. the turning axis 22, passes through the attachment point 13 of the holder 10 and extends in a direction perpendicular to the sliding surface 7.
[0015]
In addition to the horizontal turning, the front turning roller 8 freely rotates in the holder 10 around the turning shaft 9 at any turning angle. As shown in FIG. 3, the rotation axis X <b> 2 of the front turning roller 8 is parallel to the sliding surface 7, and its direction changes following the turning angle of the roller 8.
[0016]
As shown in FIG. 2, the turning axis Y <b> 1 of the front turning roller 8 is positioned behind or in front of the turning axis X <b> 2 of the roller 8, and the power point to the turning roller 8 is set to the ground point P <b> 1 of the roller 8. The load on the plate 2 is used as a driving force for rotating the swivel roller 8 forward or backward by shifting the position back and forth from the center line L1 that is vertically raised from the center.
[0017]
1 and 4, each of the front swivel roller 8 arranged on the left side and the front swivel roller 8 arranged on the right side has two rollers connected by a rotating shaft 9 as shown in FIG. It is not limited to what was hold | maintained at 10, You may use what hold | maintained one roller to the holder 10 via the rotating shaft 9. FIG.
[0018]
In addition to the front arrangement of the front turning roller 8, a rear turning roller 14 that can turn horizontally with respect to the sliding surface 7 and that rotates at any turning angle is provided behind the intermediate turning roller 3. To do.
[0019]
The rear turning roller 14 is attached to a holder 16 with a turning shaft 15, the holder 16 is attached to a mounting plate 17 through a turning shaft 23 so as to be horizontally turnable, and the mounting plate 17 is attached to the lower surface of the plate 2 with screws 18. Conclude.
[0020]
The holder 16 can be rotated 360 degrees in the horizontal direction about the attachment point 19 to the mounting plate 17, so that the rear rotating roller 14 can be rotated 360 degrees in the horizontal direction with respect to the plate 2. The swivel axis Y <b> 2 of the rear swivel roller 14, i.e. the swivel shaft 23, passes through the attachment point 19 of the holder 16 and extends in a direction perpendicular to the sliding surface 7.
[0021]
In addition to the horizontal turning, the rear turning roller 14 freely rotates in the holder 16 around the turning shaft 15 at any turning angle. As shown in FIG. 3, the rotation axis X <b> 3 of the rear turning roller 14 is parallel to the sliding surface 7, and its direction changes following the turning angle of the roller 14.
[0022]
As shown in FIG. 2, the turning axis Y <b> 2 of the rear turning roller 14 is positioned behind or in front of the turning axis X <b> 3 of the roller 14, and the power point to the turning roller 14 is changed from the grounding point P <b> 2 of the roller 14. By shifting the position back and forth from the vertically rising center line L2, the load on the plate 2 is used as a driving force for rotating the revolving roller 14 forward or backward.
[0023]
1 and 4, each of the rear swivel roller 14 arranged on the left side and the rear swivel roller 14 arranged on the right side is connected to a holder 16 by connecting two rollers with a rotation shaft 15 as shown in FIG. It is not limited to what was hold | maintained, You may use what hold | maintained the roller 16 to the holder 16 via the rotating shaft 15. FIG.
[0024]
When the roller skate 1 slides in the front-rear direction or the slant front-rear direction, variations in the turning direction of the front turning roller 8 and the rear turning roller 14 that freely turn horizontally by the intermediate turning roller 3 respectively. The roller skate 1 as a whole can run smoothly in the front-rear direction.
[0025]
The front turning roller 8 and / or the rear turning roller 14 are disposed on both the left and right sides with respect to the traveling trajectory Z of the intermediate rotation roller 3, and the ground turning point P3 of the intermediate rotation roller 3 and the front rotation The ground contact point P1 of the roller 8 and / or the ground contact point P2 of the rear turning roller 14 are arranged in a triangular point or a square point. As a result, the spin operation of the roller skate with the intermediate rotation roller as the center (fulcrum) is effectively induced, and the spin operation can be performed stably.
[0026]
As shown in FIG. 5A, the front turning roller 8 is constituted by a left front turning roller 8 and a right front turning roller 8 that are arranged symmetrically with respect to the travel trajectory Z of the intermediate turning roller 3. On the other hand, the rear turning roller 14 is disposed on the traveling trajectory Z.
[0027]
Alternatively, as shown in FIG. 5B, the front turning roller 8 is disposed on the traveling trajectory Z of the intermediate rotating roller 3, while the rear rotating roller 14 is in relation to the traveling trajectory Z of the intermediate rotating roller 3. The left rear turning roller 14 and the right rear turning roller 14 are arranged symmetrically.
[0028]
Alternatively, as shown in FIG. 5C, the front turning roller 8 is constituted by a left front turning roller 8 and a right front turning roller 8 that are arranged symmetrically with respect to the travel trajectory Z of the intermediate turning roller 3, Similarly, the rear turning roller 14 includes a left rear turning roller 14 and a right rear turning roller 14 that are arranged symmetrically with respect to the travel trajectory Z of the intermediate turning roller 3.
[0029]
Alternatively, as shown in FIG. 1, the left front swiveling roller 8 and the right front swiveling roller 8 are shifted in the front-rear direction on both the left and right sides of the travel trajectory Z of the intermediate rotation roller 3 and run in the same manner. The left rear swivel roller 14 and the right rear swirl roller 14 are disposed with their positions shifted forward and backward on both the left and right sides of the track Z. Accordingly, all the rollers 8, 8, 14, and 14 are arranged in a zigzag manner.
[0030]
4 and 5D show operation states of the intermediate rotation roller 3, the front turning roller 8, and the rear turning roller 14 when the roller skate 1 performs a rotating motion such as ice skating spin.
[0031]
Each of the front turning roller 8 and the rear turning roller 14 turns at each turning angle while turning so as to draw a circular locus centering on the ground contact point P3 of the intermediate turning roller 3, and the intermediate turning The roller 3 has a fixed point (grounding point P3) as a substantially fixed point, and frictionally swivels around the axis line Y 'passing through the grounding point P3 and perpendicular to the sliding surface without substantially rotating. Therefore, the plate 2 is turned around the intermediate rotation roller 3, and the roller skate 1 causes a rotation motion. The same applies to any arrangement example shown in FIG.
[0032]
A stopper 20 protrudes downward from the rear end of the lower surface of the plate 2, and a braking effect is provided by the frictional force between the bottom surface of the stopper 20 and the sliding surface 7. The stopper 20 is not in contact with the sliding surface 7 during normal sliding, but is provided close to the sliding surface 7 so as to be grounded when the rider puts his weight slightly behind, and is made of rubber material, wood, or the like as a suitable material. Use braking seats or braking blocks.
[0033]
【The invention's effect】
According to the roller skate of the present invention, in the ice skating, the front turning roller and the rear turning roller are caused to turn and rotate while frictionally turning around the intermediate turning roller (substantially fixed point). Rotational motion such as spin can be performed appropriately.
[0034]
Further, the turning direction of the front turning roller and the rear turning roller can be controlled by the intermediate turning roller that does not turn, so that the traveling direction can be appropriately determined.
[Brief description of the drawings]
FIG. 1 is a bottom view showing a configuration of a roller skate of the present invention in a normal state.
FIG. 2 is a side view of the same.
FIG. 3 is a front view of the same.
FIG. 4 is a bottom view showing an operation state of an intermediate turning roller, a front turning roller, and a rear turning roller in a state in which the roller skate rotates (spins).
FIGS. 5A to 5C show examples of arrangement positions of the intermediate turning roller, the front turning roller, and the rear turning roller, respectively, and D is a bottom view showing an operation state of each roller in the turning state of the roller skate of A. FIGS. .
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Roller skate 2 Plate 3 Intermediate | middle rotating roller 4 Rotating shaft 5 Mounting plate 6 Screw 7 Sliding surface 8 Front turning roller 9 Rotating shaft 10 Holder 11 Mounting plate 12 Screw 13 Mounting point 14 Rear turning roller 15 Rotating shaft 16 Holder 17 Mounting plate 18 Screw 19 Mounting point 20 Stopper 21 Shoe 22 Rotating shaft 23 Rotating axis X1, X2, X3 Rotating axis Y1, Y2 Rotating axis Y ′ Axis Z Traveling track

Claims (2)

A single intermediate rotation roller that rotates only in the front-rear direction around an axis parallel to the sliding surface is disposed in the middle of the plate, and is perpendicular to the sliding surface in front of the intermediate rotation roller on the plate. A front swivel roller that can be rotated 360 degrees horizontally around a pivot axis and that pivots around a pivot axis that is parallel to the sliding surface at any swivel angle, and the intermediate rotation of the plate A rear swiveling roller is provided behind the roller that is capable of 360 ° horizontal turning about an axis perpendicular to the sliding surface and that rotates about a turning axis parallel to the sliding surface at any turning angle. A roller skate characterized in that the front turning roller and the rear turning roller turn around a ground point of the intermediate turning roller to turn to obtain a rotation motion. The front swiveling roller is disposed on both the left and right sides of the traveling trajectory of the intermediate rotating roller, and the rear swirling roller is disposed on the left and right sides of the traveling trajectory. 2. The roller skate according to claim 1, wherein the left and right front turning rollers and the left and right rear turning rollers are arranged in a zigzag manner.

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