KR102537185B1 - Dual unicycle tpye skating device - Google Patents

Abstract

The present invention relates to a dual unicycle type skating device. More specifically, the dual unicycle type skating device can perform skating by using two driving devices having a unicycle shape. According to the present invention, the dual unicycle type skating device includes: a left part corresponding to a left foot of a user; and a right part corresponding to a right foot of the user. The left part and the right part individually include: a wheel part, a frame part connected to rotate to a rotation shaft of the wheel part; a foothold part connected to at least one of the rotation shaft of the wheel part and the frame part; and a brake part including a part connected to the frame part and for braking the wheel part. The foothold part of the left part and the foothold part of the right part are located between the wheel part of the left part and the wheel part of the right part. The brake part includes a hand brake lever part corresponding to the user's hand.

Description

Dual unicycle type skating device {DUAL UNICYCLE TPYE SKATING DEVICE}

The present invention relates to a dual unicycle type skating device.

More specifically, the present invention relates to a dual unicycle-type skating device capable of performing skating using two unicycle-shaped traveling mechanisms.

Due to the recent increase in leisure time, the population enjoying hobbies is increasing.

Leisure activities combining hobbies and exercise can be said to be useful activities for modern people to take care of their health while enjoying their hobbies.

As a leisure activity that combines hobbies and exercise, inline skates, roller skates, and the like are related to skating.

Inline skates and roller skates are a type of aerobic exercise, and have the advantage that users can enjoy speed and reach a desired place quickly.

However, inline skates, roller skates, etc. can ensure running and mobility, but it may be difficult to provide various types of movement (up and down movement).

In addition, inline skates, roller skates, etc. are difficult to use on a bumpy dirt road, and may be inconvenient to brake and difficult to climb a slope.

[Document 1] Republic of Korea Patent Publication No. 10-2017-0101640 [Document 2] Republic of Korea Patent Registration No. 10-2058297

An object of the present invention is to provide a dual unicycle-type skating device capable of performing skating using two unicycle-shaped driving mechanisms to provide sufficient mobility and drivability.

Another object of the present invention is to provide a dual unicycle-type skating device capable of securing sufficient stability while using two unicycle-shaped driving mechanisms.

Another object of the present invention is to provide a dual unicycle-type skating device capable of skating in various environments.

A dual unicycle-type skating device according to the present invention includes a left part corresponding to the user's left foot and a right part corresponding to the user's right foot, the left part and the right part Each part includes a wheel part, a frame part rotatably connected to the rotation axis of the wheel part, a foothold part connected to at least one of the rotation axis of the wheel part and the frame part, and the frame part. It includes a part connected to and includes a brake part for braking the wheel part, and the footrest part of the left part and the footrest part of the right part of the wheel part and the right part of the left part. Located between the wheel parts, the brake part may include a hand brake lever part corresponding to the user's hand.

The left part and the right part may be independent of each other.

It is possible for the user to wear the left part on the left foot and the right part on the right foot.

The wheel unit can rotate without being caught on the frame unit and the scaffolding unit.

The axis of rotation of the wheel unit may correspond to the hub (or the central axis of the hub).

The brake unit may include a portion connected to the frame unit.

The frame unit may support at least a portion of the brake unit.

In addition, the frame part includes a first vertical frame part, a second vertical frame part, and a horizontal frame part, and the first vertical frame part includes the wheel The second vertical frame part includes a part connected to the other end of the rotation axis of the wheel part, and the horizontal frame part has one end connected to the first vertical frame part and the other end to the first vertical frame part. A handle connected to a second vertical frame portion, wherein a length of the first vertical frame portion and a length of the second vertical frame portion are greater than a radius of the wheel portion and a length of the horizontal frame portion, and the brake portion is installed with the hand brake lever portion A handle bar, at least one brake pad part providing a braking force to the wheel part through friction with the wheel part, and disposed between the hand brake lever part and the brake pad part, A force transmission unit may further include a force transmission unit that transmits a force applied to the hand brake lever unit to the brake pad unit to generate a braking force.

The force transmission unit may include a brake cable or brake hose.

When the brake part is hydraulic, the force transmission part may be a brake hose.

When the brake part is mechanical, the force transmission part may be a brake cable.

In addition, a first wearing part disposed on the footrest part of the left part and worn on the user's left foot and a second wearing part disposed on the footrest part of the right part and worn on the user's right foot It further includes a second wearing part, and at least a portion of the force transmission part of the brake part is constrained to at least one of the first vertical frame part, the second vertical frame part, and the horizontal frame part, and the first A brake cradle capable of holding the handle bar or the handbrake lever may be disposed on at least one of the first vertical frame unit, the second vertical frame unit, and the horizontal frame unit.

The force transmission part includes a restraining part corresponding to at least one of the first vertical frame part and the second vertical frame part, and a non-constraining part corresponding between an end of the restraining part and the handbrake lever part, wherein the The length of the non-constrained portion may be greater than the length of the constrained portion.

In addition, it further includes a third vertical frame part, one end of the third vertical frame part is connected to the horizontal frame part, the other end of the third vertical frame part is connected to the handle bar, and the brake The force transmitting part of the part includes a first corresponding part corresponding to at least one of the first vertical frame part, the second vertical frame part, and the horizontal frame part, and a second corresponding part corresponding to the third vertical frame part. can do.

In addition, the brake unit may be connected to at least one of the first vertical frame unit and the second vertical frame unit.

In addition, the horizontal frame portion includes a first hole or groove formed in a vertical direction, the hand brake lever portion includes a second hole or groove formed in the vertical direction, and the third vertical frame portion is formed in the vertical direction. A first protrusion corresponding to the first hole or groove and a second protrusion corresponding to the second hole or groove may be included.

When the third vertical frame portion is removed, the skating device can be used in wire mode.

In order to use the third vertical frame having a relatively long length, the length of the unconstrained portion of the force transmission unit needs to be sufficiently long.

In order to use the third vertical frames of different lengths, it may be more preferable that the brake part is a hydraulic brake. It may be easy to adjust the length of the force transmission unit.

In addition, it further includes a protecting part for protecting the force transmission part, and the protection part includes a tube part in which a passage through which the force transmission part passes is formed in the center, and one end of the tube part is formed in the first vertical position. and a connecting part for connecting to at least one of a frame part, the second vertical frame part, and the horizontal frame part, and the other end of the tube part is connected to the hand brake lever part, and the connecting part is connected to the hand brake lever part. A first ring part connected to at least one of the first vertical frame part, the second vertical frame part, and the horizontal frame part, and a first ring part connected to the first ring part, to which one end of the tube part is connected. It may include a 2 ring part (Second Ring Part).

In addition, in the left portion, the footrest portion is connected to the first vertical frame portion, in the right portion, the footrest portion is connected to the second vertical frame portion, and in the left portion, the brake cradle is connected to the second vertical frame portion. and the brake cradle may be disposed in the first vertical frame portion in the right portion.

In addition, the footrest portion may be connected to the horizontal frame portion in the left portion and the right portion, respectively.

The wheel part may further include a disk rotor part that rotates according to the rotation of the wheel part, and the brake pad part may provide a braking force to the wheel part through friction with the disk rotor part. .

At least one tooth slanted in one direction is formed on the outer circumferential surface of the disk rotor unit, and an anti-reverse running prevention unit is disposed on the first vertical frame portion or the second vertical frame portion to prevent reverse rotation of the wheel portion by engaging the saw teeth. .

The dual unicycle-type skating device according to the present invention has an effect of providing sufficient mobility and drivability.

The dual unicycle-type skating device according to the present invention has an effect of securing sufficient stability while driving.

The dual unicycle-type skating device according to the present invention has an effect of being able to perform skating in various environments such as a bumpy dirt road.

1 is a diagram for schematically explaining the configuration of a dual unicycle-type skating device according to the present invention.
2 to 22 are diagrams for explaining the wire mode of the skating device.
23 to 29 are diagrams for explaining the cane mode of the skating device.
30 to 31 are views for explaining the reverse running prevention unit.

Hereinafter, a dual unicycle type skating device according to the present invention will be described in detail with reference to the accompanying drawings.

Since the present invention can make various changes and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail in the detailed description. This is not intended to limit the present invention to specific embodiments, and it can be understood to include all changes, equivalents, and substitutes included in the spirit and technical scope of the present invention.

In describing the present invention, terms such as first and second may be used to describe various components, but the components may not be limited by the terms. The terms may only be used for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention.

The terms and/or may include any combination of a plurality of related recited items or any of a plurality of related recited items.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected or connected to the other component, but other components may exist in the middle. can be understood On the other hand, when an element is referred to as “directly connected” or “directly connected” to another element, it may be understood that no other element exists in the middle.

Terms used in this document are only used to describe specific embodiments and are not intended to limit the present invention. Singular expressions may include plural expressions unless the context clearly dictates otherwise.

In this document, the terms "include" or "having" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features It may be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

Unless defined otherwise, all terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by a person of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries may be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the present application, interpreted in an ideal or excessively formal meaning. It may not be.

In addition, the embodiments disclosed in this document are provided to more completely explain the embodiments to those skilled in the art, and the shapes and sizes of elements in the drawings may be exaggerated for clearer explanation.

In describing the present invention in this document, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description may be omitted.

1 is a diagram for schematically explaining the configuration of a dual unicycle-type skating device according to the present invention.

Referring to FIG. 1, a dual unicycle type skating device 1A (hereinafter referred to as 'skating device 1A') according to the present invention has a left part corresponding to the user's left foot (Left Part, 10 ) and a right part (11) corresponding to the right foot of the user.

In other words, it is possible for the user to wear the left part 10 on the left foot and the right part 11 on the right foot.

The left part 10 and the right part 11 are divided based on the viewing direction of FIG. 1 and may be interchanged with each other according to the viewing point.

In addition, the left portion 10 and the right portion 11 may be independent of each other. In other words, in the skating device 1A, the left part 10 and the right part 11 may not be connected to each other.

The left portion 10 and the right portion 11 can exist as a pair to constitute one skating device 1A.

The left part 10 and the right part 11 each include a wheel part (400), a frame part (100), a foot part (300) and a brake part (200) can do.

The wheel unit 400 may rotate around a rotation axis (not shown).

Although not shown, the wheel unit 400 may include a hub for a rotation shaft for rotation.

The frame unit 100 may be rotatably connected to the rotation shaft of the wheel unit 400 . For example, the frame unit 100 may be connected to a rotation shaft of a hub of the wheel unit 400 .

Accordingly, even when the wheel unit 400 rotates, the frame unit 100 may not rotate.

The frame unit 100 may support the brake unit 200, the footrest unit 300, and the like.

The scaffolding unit 300 may be connected to at least one of the rotating shaft of the wheel unit 400 and the frame unit 100 .

Accordingly, the scaffolding portion 300 may not rotate even when the wheel portion 400 rotates.

The footrest unit 300 may support the user's feet.

The brake unit 200 may provide braking force for braking the wheel unit 400 .

The brace unit 200 may include a portion connected to the frame unit 100 .

The skating device 1A of this configuration will be described in detail below with reference to the accompanying drawings.

2 to 22 are diagrams for explaining the wire mode of the skating device. Hereinafter, description of the parts described in detail above may be omitted.

First, the wire mode will be described.

The wire mode may mean a mode in which the skating device 1A has a form in which the brake part 200 is connected to the wheel part 400 with a wire.

Wire mode may become clearer through the following description.

Referring to FIG. 2 , the seat portion 10 may include a wheel portion 400L and a footrest portion 300L.

In the seat portion 10, the wheel portion 400L may include a hub 410L capable of providing a rotation shaft.

In the left portion 10, the scaffolding portion 300L may be connected to the rotating shaft of the wheel portion 400L, that is, the rotating shaft of the hub 410L.

Accordingly, in the seat portion 10, the wheel portion 400L may rotate independently of the footrest portion 300L.

The scaffolding portion 300L in the left portion 10 may include a portion extending in a horizontal direction (Horizontal Direction, RDH).

The right portion 11 may include a wheel portion 400R and a footrest portion 300R.

In the right part 11, the wheel part 400R may include a hub 410R capable of providing a rotation shaft.

In the right portion 11, the footrest portion 300R may be connected to the rotation axis of the wheel portion 400R, that is, the rotation axis of the hub 410R.

Accordingly, the wheel portion 400R in the right portion 11 may rotate independently of the footrest portion 300R.

Identification symbols 410, 410L, and 410R may represent hubs or rotational axes of hubs.

In order to ensure consistency of description and help understanding, the identification codes 410, 410L, and 410R will be described as hubs below.

In the right portion 11, the scaffolding portion 300R may include a portion extending in the horizontal direction RDH.

Considering the left portion 10 and the right portion 11 together, the footrest portion 300L of the left portion 10 and the footrest portion 300R of the right portion 11 are wheel portions 400L of the left portion 10 ) and the wheel portion 400R of the right portion 11.

Hereinafter, 'L' assigned to an identification code may mean a part corresponding to the left part 10, and 'R' assigned to an identification code may mean a part corresponding to the right part 11. can

Hereinafter, 'L' or 'R' not assigned may represent a part commonly applied to the left part 10 and the right part 11.

The horizontal direction (RDH) and the vertical direction (DRV) will be described to help understand the following information.

The horizontal direction (DRH) and the vertical direction (DRV) may cross each other (vertical, orthogonal).

The horizontal direction DRH and the vertical direction DRV may be determined based on a state in which the user is standing upright at 90° (degrees) to the ground while wearing the skating device 1A.

In detail, the horizontal direction DRH may refer to an extension direction of the ground when the user stands upright at 90° (degrees) to the ground while wearing the skating device 1A.

In addition, the vertical direction (DRV) may mean a direction extending at 90° (degrees) with respect to the ground in a state in which the user is wearing the skating device 1A.

Referring to FIGS. 3 and 4 , the frame parts 100 , 100L and 100R may be connected to the rotation shafts of the hubs 410 , 410L and 410R of the wheel parts 400 , 400L and 400R.

The frame parts 100, 100L, and 100R include first vertical frame parts 110, 110L, and 110R, second vertical frame parts 120, 120L, and 120R, and horizontal frame parts. (Horizontal Frame Part, 130, 130L, 130R) may be included.

The first vertical frame parts 110, 110L, and 110R include a portion extending in the vertical direction DRV, and one end of the rotation shaft of the wheel parts 400, 400L, and 400R, that is, of the hubs 410, 410L, and 410R. It may include a part connected to one end of the rotating shaft.

The second vertical frame parts 120, 120L, and 120R include a portion extending in the vertical direction DRV, and the other end of the rotation shaft of the wheel parts 400, 400L, and 400R, that is, of the hubs 410, 410L, and 410R. It may include a part connected to the other end of the rotating shaft.

The horizontal frame parts 130, 130L, and 130R may include a portion extending in the horizontal direction DRH.

One ends of the horizontal frame parts 130, 130L, and 130R may be connected to the first vertical frame parts 110, 110L, and 110R, and the other ends may be connected to the second vertical frame parts 120, 120L, and 120R.

Considering the radii of the wheel portions 400, 400L, and 400R, the lengths of the first vertical frame portions 110, 110L, and 110R and the lengths of the second vertical frame portions 120, 120L, and 120R are 400L, 400R) and the length of the horizontal frame portions 130, 130L, 130R.

The scaffolding portions 300, 300L, and 300R may be connected to the hubs 410, 410L, and 410R and/or the frame portions 100, 100L, and 100R. From another point of view, the scaffolding portions 300, 300L, and 300R may be directly and/or indirectly connected to the frame portions 100, 100L, and 100R.

For example, in the left portion 10, the footrest portion 300L may be directly and/or indirectly connected to the second vertical frame portion 120L of the frame 100L.

In addition, in the right portion 11, the scaffolding portion 300R may be directly and/or indirectly connected to the first vertical frame portion 110R of the frame 100R.

The frame parts 100, 100L, and 100R can sufficiently withstand the user's weight applied from the footrest parts 300, 300L, and 300R.

Hereinafter, for convenience of explanation, the common content of the left part 10 and the right part 11 will be described for either the left part 10 or the right part 11, and the description of the other parts will be omitted. it is possible

For example, the left portion 10 is described as including the wheel portion 400L and the footrest portion 300L, and description of the right portion 11 may be omitted.

Even in this case, the right portion 11 can be interpreted as including the wheel portion 400R and the footrest portion 300R like the left portion 10 .

'L' and 'R' may be omitted in the case of describing common parts in the left part 10 and the right part 11.

On the other hand, 'L' and/or 'R' may be given when different parts are described in the left part 10 and the right part 11.

On the other hand, the position of the scaffolding portion 300 can be changed.

For example, as shown in Figure 5, the scaffolding portion 300 may be located at a lower position in the vertical direction (DRV) than the hub 410 of the wheel portion 400.

To this end, in the left portion 10, the length L2 in the vertical direction DRV of the second vertical frame portion 120L to which the scaffolding portion 300L is connected is the vertical direction of the first vertical frame portion 110L ( DRV) may be longer than the length L1.

In addition, in the right portion 11, the length in the vertical direction DRV of the first vertical frame portion 110R to which the scaffold portion 300R is connected is the length in the vertical direction DRV of the second vertical frame portion 120R. can be longer than

In this case, the user can feel a sufficient sense of stability while riding the skating device 1A.

Alternatively, as shown in Figure 6, the scaffolding portion 300 may be located at a higher position in the vertical direction (DRV) than the axis of rotation of the hub 410 of the wheel portion 400.

In the left portion 10, the distance L4 between the rotational axis of the hub 410L and the footrest portion 300L in the vertical direction DRV in the second vertical frame portion 120L to which the footrest portion 300L is connected is the footrest portion. It may be smaller than the distance (L3) between (300L) and the horizontal frame part (130L).

In addition, in the right part 11, the distance between the rotation axis of the hub 410R and the scaffolding portion 300R in the vertical direction DRV in the first vertical frame portion 110R to which the scaffolding portion 300R is connected is the scaffolding portion ( 300R) and the horizontal frame portion 130R.

In this case, the user can feel a sense of sufficient stability while riding the skating device 1A and feel a sense of sufficiently fast driving.

Or, as shown in Figure 7, it is possible that the scaffolding portion 300 is connected to the horizontal frame portion 130 of the frame portion (100).

For example, the scaffolding portion 300 may be disposed above the horizontal frame portion 130 .

In this case, the user can feel a feeling of running sufficiently fast with sufficiently low force at a sufficiently high position while riding the skating device 1A.

The user can correspond the left part 10 to the left foot and the right part 11 to the right foot.

Accordingly, it is highly likely that the left portion 10 and/or the right portion 11 will be used in a state inclined toward each other at a predetermined angle.

Considering this, when the scaffolding portion 300 is positioned above the horizontal frame portion 130, the scaffolding portion 300 may include a portion extending in the horizontal direction (DRH).

In detail, as shown in FIG. 8, the scaffolding portion 300L corresponding to the left portion 10 has a first scaffolding area 310L overlapping the horizontal frame portion 130L in the vertical direction DRV, the first The second scaffolding area 320L extending from one end of the scaffolding area 310L toward the right portion 11 in the horizontal direction DRH and the right in the horizontal direction DRH from the other end of the first scaffolding area 310L. A third scaffolding area 330L extending in a direction away from the portion 11 may be included.

In addition, the scaffolding portion 300R corresponding to the right portion 11 is formed from the first scaffolding area 310R overlapping the horizontal frame portion 130R in the vertical direction DRV and one end of the first scaffolding area 310R. The second scaffolding region 320R extending toward the left portion 10 in the horizontal direction DRH and extending in a direction away from the left portion 10 in the horizontal direction DRH from the other end of the first scaffolding region 310R. A third scaffolding area 330R may be included.

Here, the length L5 of the second footrest areas 320L and 320R in the horizontal direction DRH in the left part 10 and the right part 11 for safe boarding of the user is the third footrest area 330L and 330R may be longer than the length (L6) of

In addition, in order to suppress contact between the left portion 10 and the right portion 11, the length of the second scaffolding regions 320L and 320R in the horizontal direction DRH in the left portion 10 and the right portion 11 ( L5) may be smaller than the length L7 of the first scaffolding regions 310L and 310R.

Alternatively, as shown in FIG. 9 , it may be possible to omit the third footrest regions 330L and 330R from the left portion 10 and the right portion 11 .

Hereinafter, the brake unit 200 will be described in detail.

As shown in FIG. 10 , the brake unit 200 may include a portion connected to the frame unit 100 .

For example, the brake part 200 may include a part connected to the first vertical frame part 110 and a part connected to the second vertical frame part 120 of the frame part 100 .

As shown in FIG. 11, the brake part 200 includes a hand brake lever part 210, a handle bar 220, and at least one brake pad part 240. (Hereinafter, it may be referred to as a 'pad part'.) and a force transmission part 230 may be included.

The hand brake lever unit 210 (hereinafter referred to as 'lever unit') may correspond to a user's hand.

In addition, the lever unit 210 may be installed on the hand bar 220 so that the user can hold the handle bar 220 by hand while holding the handle bar 220 .

The lever unit 210 may convert the force provided by the user into another force, such as mechanical tension or hydraulic pressure.

The handle bar 220 may provide a physical space to which the lever unit 210 can be connected.

The brake pad unit 240 (hereinafter referred to as a 'pad unit') may provide a braking force to the wheel unit 400 through friction with the wheel unit 400 .

A plurality of pad units 240 may form a pair.

The force transmission unit 230 is disposed between the lever unit 210 and the pad unit 240, and transmits the force applied to the lever unit 210 to generate a braking force according to the force transmitted from the lever unit 210. It can be transmitted to the pad part 240 .

While using the skating device 1A, the user may pull the lever unit 210 installed on the hand bar 220 while holding the hand bar 220 .

Then, the force applied by the user to the lever unit 210 is converted into mechanical tension or hydraulic pressure by the lever unit 210, and the converted force can be transmitted to the pad unit 240 through the force transmission unit 230. there is.

Then, the pad part 240 can come into close contact with a predetermined position (for example, a rim part) of the wheel part 400, and as a result, a frictional force is generated between the pad part 240 and the wheel part 400 to move the wheel. Section 400 may be braked.

In the skating device 1A according to the present invention, the brake unit 200 may provide a braking force to the wheel unit 400 in various ways.

For example, the brake unit 200 may provide braking force by rubbing the pad unit 240 against the wheel unit 400 using mechanical tension.

The brake unit 200 according to this method may be referred to as a mechanical brake.

When the brake unit 200 is mechanical, the force transmission unit 230 may be a brake cable.

Alternatively, the brake unit 200 may provide braking force by rubbing the pad unit 240 against the wheel unit 400 using hydraulic pressure.

The brake unit 200 according to this method may be referred to as a hydraulic brake.

When the brake unit 200 is hydraulic, the force transfer unit 230 may be a brake hose.

A passage through which brake oil passes may be formed inside the brake hose.

Considering this, the force transmission unit 230 of the brake unit 200 may include a brake cable or a brake hose.

Identification code 410 not described in FIG. 11 corresponds to a tire part, identification code 430 corresponds to an air tube, identification code 420 corresponds to a rim part, and identification code 440 may correspond to the spoke part.

Since technologies for the tire unit 410, the air tube 430, the rim unit 420, and the spoke unit 440 are already widely known, further detailed descriptions thereof will be omitted.

In FIG. 11, a method of providing braking force through friction with the rim portion of the wheel portion 400 for the brake portion 200, for example, a rim brake method such as a V brake or a caliper brake, has been described as an example, but the present invention is not limited thereto. may not be

For example, the brake unit 200 may also be a disk brake using a disk method.

An example of a disc brake is shown in FIG. 12 .

As shown in FIG. 12 , in the disc brake type, a disc rotor 450 may be disposed on the wheel unit 400 .

The disk rotor 450 may be connected to the wheel unit 400 so as to rotate along with the rotation of the wheel unit 400 . For example, the disc rotor 450 may be connected to the hub 410 of the wheel unit 400 so as to rotate along with the rotation of the wheel unit 400 .

In this case, the brake unit 200 may include a caliper 460 for providing frictional force corresponding to the disc rotor 450 .

Although not shown, the caliper 460 may include at least one disc pad for friction with the disc rotor 450 .

When a user applies force to the lever unit 210, the force may be mechanically or hydraulically transmitted to the disc pad of the caliper 460 through the force transmission unit 230.

Then, the disk pad may come into close contact with the disk rotor 450 by the transmitted force to generate frictional force.

13 shows an example of a case in which a rim brake method is applied.

As shown in FIG. 13, the force transmission unit 230 for transmitting force to the pad unit 240 mechanically or hydraulically includes a first vertical frame unit 110, a second vertical frame unit 120 and a horizontal frame. It may include a part constrained to at least one of the parts 130 .

For example, in the left portion 10, the force transmission unit 230L may be bound and constrained to the first vertical frame unit 110L by a restraining unit 250L having a belt or band shape.

In the right portion 11, the force transmission unit 230R may be bound and constrained to the second vertical frame unit 120R by a restraining unit 250R having a belt or band shape.

In this case, it is possible to sufficiently prevent a user using the skating device 1A from being disturbed by the force transmission unit 230 .

The technique of restraining the force transmission unit 230 by the restraining unit 250 may be equally applied to a case where the brake unit 200 is a rim brake type as well as a disc brake type.

In addition, the technique of restraining the force transmission unit 230 by the restraining unit 250 can be equally applied to both cases where the brake unit 200 is a mechanical brake and a hydraulic brake.

On the other hand, the force transmission part 230 includes not only a part that is constrained by the frame part 100 and corresponds to the frame part 100, but also a part free from the frame part 100, that is, a part that does not correspond to the frame part 100. It is possible.

For example, as shown in FIG. 14 , the force transmission unit 230 may include a non-constraining part 230a and a restraining part 230b.

The restraining part 230b is restrained by the restraining part 250 to at least one of the first vertical frame part 110, the second vertical frame part 120 and the horizontal frame part 130, and the first vertical frame part 110 ), it may be a part corresponding to at least one of the second vertical frame part 120 and the horizontal frame part 130.

From another point of view, the restraining portion 230b may be said to be a portion sufficiently adjacent to at least one of the first vertical frame unit 110 , the second vertical frame unit 120 and the horizontal frame unit 130 .

The non-constraining portion 230a may be a portion located between the lever unit 210 at the end of the restricting portion 230b.

Here, the length L9 of the non-constraining part 230a may be longer than the length L8 of the restraining part 230b.

In this case, it may be possible for various users to use the skating device 1A regardless of arm length, height, and the like.

In addition, the skating device 1A can be used universally for wire mode and cane mode. The wand mode will be described in detail later.

Meanwhile, the skating device 1A according to the present invention may further include a protection unit for protecting the force transmission unit 230 from damage or destruction. In this respect, referring to the accompanying drawings, the following.

15 to 16, the protecting part 700 for protecting the force transmission part 230 may include a tube part 710 and a connecting part 720. there is.

The tube portion 710 may have a tube shape in which a passage 711 through which the force transfer unit 230 passes is formed in the center.

The strength of the tube portion 710 may be greater than that of the force transmission unit 230 . For example, the tensile strength of the tube portion 710 may be greater than that of the force transmission unit 230 .

To this end, the tube portion 710 may include a material having a sufficiently high tensile strength, for example, a metal material such as iron or a resin material.

In addition, the wall thickness of the tube portion 710 may be greater than the wall thickness of the force transmission unit 230 .

The connection part 720 may connect one end of the tube part 710 to the frame part 100 . In detail, the connection part 720 may connect one end of the tube part 710 to at least one of the first vertical frame part 110 , the second vertical frame part 120 , and the horizontal frame part 130 .

The other end of the tube part 710 may be connected to the handle bar 220 and/or the lever part 210 .

As shown in (B) of FIG. 16, the connection part 720 may include a first ring part 721 and a second ring part 722.

The connecting portion 720 may include a sufficiently strong material, such as a metal material or a plastic material.

The central portion of the first ring portion 721 includes a first through portion 721a through which at least one of the first vertical frame portion 110, the second vertical frame portion 120, and the horizontal frame portion 130 passes. can do.

The first ring part 721 may be connected to at least one of the first vertical frame part 110 , the second vertical frame part 120 , and the horizontal frame part 130 .

The second ring part 722 may be connected to the first ring part 721 and one end of the tube part 710 may be connected thereto.

To this end, a second through-portion 722a through which the tube portion 710 passes may be formed at the central portion of the second ring portion 722 .

This connection part 720 may have a form in which two rings are connected as a whole.

17, the frame part 100 is inserted into the first through part 721a of the first ring part 721 of the connection part 720, and the second through part 722a of the second ring part 722 ), the force transmission unit 230 may be inserted.

As shown in (A) of FIG. 17 , the outer side of the second ring portion 722 is reversed at the end of the tube portion 710 passing through the second penetrating portion 722a of the second ring portion 722. surface).

Then, as shown in (B) of FIG. 17, a fixing part 730 having the form of a strip, band, wire, etc. is disposed to surround the outer surface of the connecting part 720 to fix the end of the tube part 710. It can be fixed strong enough.

After that, the force transmission unit 230 may be inserted into the central passage 711 of the tube part 710 .

In this case, since the tube portion 710 and the connection portion 720 can withstand a sufficiently large impact applied from the outside, even in the event of an accident such as a user's fall, the power transmission portion 230 is cut off. It is possible to sufficiently suppress or prevent damage from occurring.

In order for the fixing part 730 to more strongly connect/fix the tube part 710 and the connection part 720, as shown in FIG. 18, the outer surface of the connection part 720 has a groove part recessed to a predetermined depth. ) can be formed.

Meanwhile, the hand bar 220 or the lever unit 210 of the brake unit 200 may be mounted on the frame unit 100 .

To this end, a predetermined cradle may be disposed on the frame unit 100 . For example, a predetermined cradle may be disposed on at least one of the first vertical frame unit 110 , the second vertical frame unit 120 and the horizontal frame unit 130 .

In detail, as shown in FIGS. 19 to 20, a first hook 260 is disposed on the handle bar 220, and a second hook 260 corresponding to the first hook 260 is disposed on the frame portion 100. A hook (Second Hook, 261) may be disposed.

Here, it is possible to refer to the second hook 261 as a cradle.

In the left part 10, the second hook 261L may be disposed on the first vertical frame part 110L, and in the right part 11, the second hook 261R may be disposed in the second vertical frame part 120R. there is.

In this case, the skating device 1A can be easily stored by mounting the handle bar 220 or the lever unit 210 on the frame unit 100 .

In addition, it may be possible to mount the handle bar 220 or the lever unit 210 on the frame unit 100 even while the skating device 1A is running.

As shown in FIG. 21, the user grips the handle bar 220 and/or the lever part 210 with both hands of the skating device 1A according to the present invention, and puts his left foot on the footrest part 300L of the seat part 10. ) and put the right foot on the footrest portion 300R of the right portion 11, it is possible to perform skating.

Here, since the user can brake the skating device 1A using the handle bar 220 and/or the lever unit 210 held by both hands, more safe skating is possible.

On the other hand, in the wire mode, it is possible to place a predetermined wearable part 500 on the footrest part 300 for more effective skating.

An example of a case where the wearing part 500 is applied is shown in FIG. 22 .

As shown in FIG. 22, a first wearing part (First Wearing Part, 500L) in the form of a boot for the user to wear with his left foot may be disposed on the footrest part 300L in the left part 10.

In addition, a second wearing part 500R in the form of a boot for the user to wear with his right foot may be disposed on the footrest part 300R in the right part 11 .

In this case, the user may be able to board the footrest unit 300 of the skating device 1A while wearing shoes.

In addition, since the wearing part 500 holds the user's feet, sufficiently safe skating may be possible.

Meanwhile, it is possible to use the skating device 1A according to the present invention in a cane mode by additionally applying a vertical bar.

Referring to the accompanying drawings for the cane mode, it will be described as follows.

23 to 29 are diagrams for explaining the cane mode of the skating device. Hereinafter, description of the parts described in detail above may be omitted.

As shown in FIGS. 23 and 24 , the skating device 1A according to the present invention may further include a third vertical frame part 140 .

One end of the third vertical frame unit 140 may be connected to the horizontal frame unit 130 and the other end of the third vertical frame unit 140 may be connected to the handle bar 220 .

Accordingly, the third vertical frame unit 140 can provide a sufficiently strong supporting force.

To this end, as shown in FIG. 24 , a first protrusion PTP1 protruding toward the horizontal frame portion 130 may be disposed at one end of the third vertical frame portion 140 .

The horizontal frame part 130 may include a first groove part HW1 corresponding to the first protrusion part PTP1.

A predetermined screw line may be formed on the outer surface of the first protrusion part PTP1, and a screw line corresponding to the screw line formed on the outer surface of the first protrusion part PTP1 may also be formed on the inner surface of the first groove part HW1.

In this case, it is possible to sufficiently strongly connect the third vertical frame unit 140 and the horizontal frame unit 130 .

In addition, a second protrusion PTP2 protruding toward the handle bar 220 may be disposed at the other end of the third vertical frame portion 140 .

The handle bar 220 may include a second groove part HW2 corresponding to the second protrusion part PTP2.

A predetermined screw line may be formed on the outer surface of the second protrusion part PTP2, and a screw line corresponding to the screw line formed on the outer surface of the second protrusion part PTP2 may also be formed on the inner surface of the second groove part HW2.

In this case, it is possible to sufficiently strongly connect the third vertical frame unit 140 and the handle unit 220 .

The non-constraining portion 230a of the force transmission unit 230 previously described with reference to FIG. 14 may correspond to the third vertical frame unit 140 .

For example, the unconstrained portion 230a of the force transmission unit 230 may be constrained to the third vertical frame unit 140 by a ring, a band, or the like.

In this way, considering the application of the third vertical frame portion 140 having a sufficiently long length, the length L9 of the unconstrained portion 230a of the force transmission portion 230 is equal to the length L8 of the confining portion 230b. Even longer may be more desirable.

In addition, when the first groove part HW1 is formed in the horizontal frame part 130 and the second groove part HW2 is formed in the handle bar 220, when the third vertical frame part 140 is not used, that is, Sufficient stability can be secured in wire mode.

The skating device 1A further including the third vertical frame portion 140 can be used in a cane mode.

The user can skate while holding the handle bar 220 and/or the lever part 210 located at the other end of the third vertical frame part 140 .

Here, when the user holds the lever part 210, since rotation of the wheel part 400 can be suppressed, as shown in FIG. 25, it is possible to climb stairs using the skating device 1A. .

In this case, the user can be regarded as using the skating device 1A according to the present invention in the form of a cane or crutches.

If the user removes the third frame portion 140 from the left portion 10 and the right portion 11, it is possible to use the skating device 1A in wire mode.

Meanwhile, the third vertical frame unit 140 may overlap either the first vertical frame unit 110 or the second vertical frame unit 120 in the vertical direction DRV.

For example, as shown in FIG. 26 , in the left portion 10, the third vertical frame portion 140L may overlap the first vertical frame portion 110L in the vertical direction DRV.

In this case, the scaffolding portion 300L may be disposed on the horizontal frame portion 130L, and the scaffolding portion 300L may include a first scaffolding area 310L and a second scaffolding area 320L.

Here, the length L5 of the second scaffolding area 320L in the horizontal direction DRH may be smaller than the length L7 of the first scaffolding area 310L.

In the right portion 11, the third vertical frame portion 140R may overlap the second vertical frame portion 120R in the vertical direction DRV.

In this case, the scaffolding portion 300R may be disposed on the horizontal frame portion 130R, the scaffolding portion 300R includes a first scaffolding area 310R and a second scaffolding area 320R, and has a horizontal direction ( DRH), the length of the second scaffolding region 320R may be smaller than the length of the first scaffolding region 310R.

In this case, even if the footrest unit 300 is disposed on the horizontal frame unit 130, sufficient driving stability can be secured.

Meanwhile, in the skating device 1A according to the present invention, it is possible to use the mounting part 600 to mount the handle bar 220 and/or the lever unit 210. An example of a mounting component 600 is shown in FIG. 27 .

As shown in FIG. 27 , the mounting part 600 may include a middle part 630 , a first part 610 and a second part 620 .

The first portion 610 may include a portion protruding upward from the central portion 630 in the vertical direction DRV.

A thread may be formed on an outer surface of the first portion 610 .

The second portion 620 may include a portion protruding downward from the central portion 630 in the vertical direction DRV.

A thread may be formed on an outer surface of the second part 620 .

The length D1 of the first portion 610 and the length D2 of the second portion 620 in the vertical direction DRV may be greater than the length D3 of the central portion 630 .

In addition, the width D5 of the first portion 610 and the width D5 of the second portion 620 in the horizontal direction DRH may be smaller than the width D4 of the central portion 630 .

The mounting part 600 may be used for mounting the handle bar 220 and/or the lever part 210 .

For example, as shown in FIG. 28, the first part 610 of the mounting part 600 is inserted into the second groove part HW2 of the handle bar 220, and the second part 620 is horizontally It may be inserted into the first groove part HW1 of the frame part 130 .

In this case, the handle bar 220 and the horizontal frame part 130 may be connected by the mounting part 600 .

As shown in FIG. 28, when the mounting part 600 is used, the size of the skating device 1A can be reduced, so that the skating device 1A can be easily stored or loaded even in a narrow space.

Alternatively, when the skating device 1A is in wire mode, the handle bar 220 can be mounted on the horizontal frame part 130, so that the user can use both hands freely even while skating.

As shown in FIG. 29, the third vertical frame part 140 includes a first vertical part 141, a horizontal part 142, and a second vertical part 143. can include

The first vertical portion 141 may include a portion extending in the vertical direction DRV.

One end of the first vertical part 141 may be connected to the horizontal frame part 130 .

The other end of the first vertical part 141 may be connected to one end of the horizontal part 142 .

The horizontal portion 142 may include a portion extending forward in the horizontal direction DRH.

Here, among the horizontal directions DRH, forward may mean a direction in which the user looks while riding the skating device 1A.

Alternatively, the horizontal portion 142 may include a portion extending in an oblique direction between the forward and vertical directions DRV among the horizontal directions DRH.

The other end of the horizontal part 142 may be connected to one end of the second vertical part 143 .

The second vertical portion 142 may include a portion extending in the vertical direction DRV.

The other end of the second vertical part 142 may be connected to the handle bar 220 .

In this case, it is possible for the user to hold the handle bar 220 and/or the lever unit 210 in a more natural posture.

For stable skating, the handle bar 220 may include a portion extending backward by a predetermined width D6 from the first vertical portion 141 in the horizontal direction DRH.

Meanwhile, the skating device 1A according to the present invention may further include a reverse running prevention unit for preventing reverse running. In this regard, referring to the accompanying drawings, it will be described as follows.

30 to 31 are views for explaining the reverse running prevention unit. Hereinafter, description of the parts described in detail above may be omitted.

As shown in FIG. 30, in the skating device 1A according to the present invention, a disk rotor 450 may be disposed on the wheel portion 400.

The disk rotor 450 has been described in detail with reference to FIG. 12 above.

At least one toothed portion 451 inclined in one direction may be formed on an outer circumferential surface of the disk rotor 450 .

In addition, the wedge portion 470 corresponding to the sawtooth portion 451 may be pivotally connected to the frame portion 100 (not shown).

In the drawing, identification numeral 471 may be a pivot axis for pivoting movement of the wedge portion 470 .

When the skating device 1A travels in the forward direction, as shown in FIG. 31(A) , the wedge portion 470 may not be caught on the tooth portion 451 because the top tooth portion 451 is inclined. .

On the other hand, when the wheel portion 400 rotates in the reverse direction, as shown in (B) of FIG. 31 , the wedge portion 470 may be caught on the teeth portion 451 .

In this case, reverse running of the skating device 1A can be prevented by the toothed portion 451 .

Accordingly, it is possible to prevent an accident caused by the reverse running of the skating device 1A.

As such, it will be understood that the technical configuration of the present invention described above can be implemented in other specific forms without changing the technical spirit or essential features of the present invention by those skilled in the art to which the present invention pertains.

Therefore, the embodiments described above should be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the claims to be described later rather than the foregoing detailed description, and the meaning and scope of the claims And all changes or modified forms derived from the equivalent concept should be construed as being included in the scope of the present invention.

Claims (5)

a left part corresponding to the user's left foot; and
a right part corresponding to the right foot of the user;
including,
The left part and the right part are respectively
Wheel Part;
A frame part rotatably connected to the rotation axis of the wheel part;
a foothold part connected to at least one of the rotating shaft of the wheel part and the frame part; and
A brake part including a part connected to the frame part and braking the wheel part;
including,
The scaffolding portion of the left portion and the scaffolding portion of the right portion are located between the wheel portion of the left portion and the wheel portion of the right portion,
The brake part includes a hand brake lever part corresponding to the user's hand,
The frame part includes a first vertical frame part, a second vertical frame part, and a horizontal frame part,
The first vertical frame portion includes a portion connected to one end of the rotation shaft of the wheel portion,
The second vertical frame portion includes a portion connected to the other end of the rotation shaft of the wheel portion,
The horizontal frame part has one end connected to the first vertical frame part and the other end connected to the second vertical frame part,
The length of the first vertical frame part and the length of the second vertical frame part are greater than the radius of the wheel part and the length of the horizontal frame part,
the brake part
A handle bar on which the hand brake lever is installed;
at least one brake pad part providing a braking force to the wheel part through friction with the wheel part; and
a force transmission unit disposed between the hand brake lever unit and the brake pad unit and transmitting a force applied to the hand brake lever unit to the brake pad unit to generate the braking force;
Including more,
a first wearing part disposed on the footrest of the left portion and worn with the user's left foot; and
a second wearing part disposed on the footrest of the right portion and worn with the user's right foot;
Including more,
At least a portion of the force transmission portion of the brake unit is constrained to at least one of the first vertical frame portion, the second vertical frame portion, and the horizontal frame portion;
A dual unicycle type skating device, characterized in that a brake cradle capable of holding the handle bar or the hand brake lever is disposed on at least one of the first vertical frame portion, the second vertical frame portion, and the horizontal frame portion. . delete delete According to claim 1,
Further comprising a third vertical frame part,
One end of the third vertical frame unit is connected to the horizontal frame unit,
The other end of the third vertical frame part is connected to the handle bar,
The force transmission part of the brake part
a first corresponding part corresponding to at least one of the first vertical frame part, the second vertical frame part, and the horizontal frame part; and
a second corresponding portion corresponding to the third vertical frame portion;
Dual unicycle type skating device comprising a. According to claim 1,
Further comprising a protecting part for protecting the force transmission part,
the protection unit
A tube part having a passage through which the force transmission unit passes through the center; and
a connecting part for connecting one end of the tube part to at least one of the first vertical frame part, the second vertical frame part, and the horizontal frame part;
including,
The other end of the tube portion is connected to the hand brake lever portion,
the connection part
a first ring part connected to at least one of the first vertical frame part, the second vertical frame part, and the horizontal frame part; and
a second ring part connected to the first ring part and to which one end of the tube part is connected;
Dual unicycle type skating device comprising a.

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