WO2015126170A1

WO2015126170A1 - Detachable inline skate

Info

Publication number: WO2015126170A1
Application number: PCT/KR2015/001649
Authority: WO
Inventors: 김광수
Original assignee: 김광수
Priority date: 2014-02-21
Filing date: 2015-02-17
Publication date: 2015-08-27
Also published as: CN105980022A; KR101574006B1; KR20150098829A

Abstract

A detachable inline skate is disclosed. A detachable inline stake according to an embodiment is configured such that, as the user applies successive loads to the heel portion of a foot plate, the operating mode switches from a running mode to a braking mode, from the braking mode to a walking mode, and from the walking mode to the running mode, and the detachable inline stake may comprise: a wheel frame, which has a sliding groove formed thereon, and which is provided with a plurality of rotatable wheels; a foot plate hinge-coupled to the wheel frame by a hinge shaft, the user's foot being seated on the foot plate; a brake piece provided beneath the foot plate to suppress rotation of the rearmost wheel, among the plurality of wheels, by means of rotation of the foot plate; an elastic means for spacing the brake piece from the wheels during the running mode; a sliding module which slides inside the wheel frame as the foot plate rotates; and a mode switching means for moving a mode switching pin from the sliding groove of the wheel frame according to sliding of the sliding module, thereby switching between the operating modes.

Description

Detachable Inline Skates

The present invention relates to a removable inline skate.

As is well known, in-line skates are gears that drive the ground with wheels on the bottom of the shoe, such as fitness for fitness, racing for racing, aggressive for stunts, hockey for hockey, and slopes. There are various types according to the purpose of use, such as downhill for up and down.

However, these inline skates are worn only during skating because it is difficult to walk when worn, and the user must carry them using a separate carrying bag such as a bag to enjoy skating, which causes a lot of inconvenience.

In addition, since the inline skates are supported by wheels in which the shoes are freely rotated, the possibility of an accident is high, and safety must be considered as essential. Therefore, inline skates need to be developed to secure safety.

Accordingly, the applicant has devised a detachable inline skate that prevents falling back and prevents safety accidents, and prevents the rotation of the wheels when walking on stairs or inclined places to enable safe walking (Korea Patent No. 10-0967653, Korean Patent No. 10-1320349).

However, the removable inline skate disclosed in Korean Patent No. 10-0967653 has a problem in that it is inconvenient to carry and use, such as having to push or unfold the extension piece, and is inconvenient to operate the pressure knob for switching to the walking mode. Removable inline skates of Korean Patent No. 10-1320349 have a problem that the assembly is difficult because the height adjustment is difficult and the configuration is complicated during the conversion of each operation mode.

Embodiment of the present invention is to switch between each operation mode (driving mode, brake mode, walking mode) in a simpler configuration, and to provide a removable inline skate easy to assemble.

In the removable inline skate according to an embodiment of the present invention, a sequential load is applied to a heel portion of a footrest by a user so that the driving mode is in the brake mode, the brake mode is in the walking mode, and the walking mode is in the running mode. Switching is to be formed, the wheel frame is formed with a sliding groove and a plurality of rotatable wheels, a footrest hinged to the wheel frame by a hinge axis and the user's foot is seated, provided on the bottom of the footrest and the A brake piece for suppressing rotation of the rear wheel among the plurality of wheels by rotation of the foot plate, elastic means for allowing the brake piece to be spaced apart from the wheel in a traveling mode, and sliding in the wheel frame according to the rotation of the foot plate And the sliding module is configured to switch between the operation modes. It may include a mode conversion means for moving the mode conversion pin in the sliding groove of the wheel frame in accordance with the sliding of the module.

In addition, the wheel frame has a shape corresponding to each other and each includes a pair of frame body formed with the sliding groove, the sliding groove comprises a vertical portion and a horizontal portion forming a "L" shape, the frame body, A bracket on which the mode release spring is seated, a bracket into which the hinge shaft is inserted, a sliding piece for receiving the sliding module, a protruding portion formed on an upper portion of the sliding piece to prevent the sliding module from being separated, and the It may include a protrusion bar protruding vertically from the upper portion of the separation prevention piece.

In addition, the scaffold includes a conversion protrusion, the sliding module is a sliding member, a ridge protrusion formed to contact the conversion protrusion of the scaffold, a mode conversion pin receiving portion formed in the rear of the ridge projection, different elastic force And a pair of walking mode protrusions formed on the bottom surface of the sliding member so as to be positioned at the rear of the plurality of wheels, respectively, to accommodate the first and second springs providing the accommodation mode receiving pins. The mode conversion pin is inserted into the portion, the mode conversion pin may be exposed to the sliding groove of the wheel frame.

In addition, the conversion protrusion of the scaffold and the ridge protrusion of the sliding member may be a right triangle with each vertical surface and an inclined surface facing each other, and the bottom surface of the scaffold may be concave so as not to interfere with the upper portion of the wheel.

In addition, the first and the second spring is pressed toward the rear wheel of the plurality of wheels, the first spring is provided in pairs, the elastic force of the first spring is less than the elastic force of the second spring, Each end is attached to the mode conversion pin, the other end is fixed to the spring receiving portion of the sliding member to press the mode conversion pin to its original position, the second spring is located between the first spring The one end is fixed to the spring receiving portion, the other end is attached to the protruding bar can press the sliding member to its original position.

In addition, the mode conversion module includes a pair of mode conversion member screwed to the scaffold, each of the mode conversion member, the screw connection portion of the rectangular shape that is screwed into the screw groove formed in the scaffolding, Is attached vertically to the screw fastening portion includes a mode conversion unit to move the mode conversion pin 534, the mode conversion unit includes a mode conversion piece and a guide piece, the guide piece is composed of a vertical portion and an inclined portion, In the driving mode, the mode conversion pin may be positioned at a contact portion of the vertical portion and the inclined portion, and an elastic force may be formed in the first spring as pressed by the inclined portion.

In addition, the mode conversion pin located at the contact portion of the vertical portion and the inclined portion is moved to the boundary between the vertical portion and the horizontal portion of the sliding groove in the brake mode, the elastic force is formed in the second spring, the mode The conversion piece may be located adjacent to the lower portion of the mode conversion pin moved.

In addition, when the conversion projection of the scaffold is further rotated clockwise in the brake mode, the ridges and the conversion projections of the sliding member are in contact with each other, and the vertical surfaces of the sliding projections are released. The sliding member is slid forward by two springs so that each of the inclined surfaces of the conversion protrusion and the ridge protrusion are in contact with each other, and the walking mode protrusion of the sliding module may be in contact with the wheel.

In addition, the mode conversion pin that was moved to the boundary between the vertical portion and the horizontal portion of the sliding groove is supported on the upper surface of the sliding groove to prevent the movement, the mode conversion was located adjacent to the lower portion of the mode conversion pin The piece may be located adjacent to the upper portion of the mode conversion pin supported on the upper surface of the sliding groove.

According to the embodiment of the present invention, the switching between each operation mode (driving mode, brake mode, walking mode) is made in a simpler configuration, it is possible to provide a removable inline skates easy to assemble.

1 is a perspective view showing a removable inline skate according to an embodiment of the present invention,

FIG. 2 is an exploded perspective view showing the configuration of the wheel frame of the inline skate of FIG. 1 in detail; FIG.

3 is an exploded perspective view illustrating a coupling state of a foot frame and a wheel frame of the inline skate of FIG. 1;

4 is a schematic diagram illustrating a driving mode state of the inline skate of FIG. 1;

5 is a schematic diagram illustrating a state in which the vehicle is switched to the brake mode in the driving mode of FIG. 4;

FIG. 6 is a schematic diagram illustrating a state of switching to a walking mode from the brake mode state of FIG. 5.

Hereinafter, specific embodiments for implementing the present invention will be described in detail with reference to the accompanying drawings.

In addition, in describing the present invention, when it is determined that the detailed description of the related known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

1 is a perspective view showing a removable inline skate (hereinafter referred to as an inline skate) according to an embodiment of the present invention, FIG. 2 is an exploded perspective view showing the configuration of a wheel frame of the inline skate of FIG. 1 in detail, and FIG. It is an exploded perspective view which shows the engagement state of the footrest of a inline skate of 1 and a wheel frame.

The removable inline skate according to the present embodiment may be worn while the user wears shoes or may be worn barefoot without wearing shoes.

Inline skates according to the present embodiment, as shown in Figures 1 to 3, the footrest 200 is a shoe or foot seated, ankle fixing portion 300 is foldably coupled to the back of the footrest 200, The wheel 111 is provided with a plurality of rotatable wheels 111a-111c and is coupled to the bottom of the footrest 200, and the wheel 111 is pressed by the user downward of the heel portion of the footrest 200. Sliding module 500 accommodated in the wheel frame 400 so as to be switched to the brake mode to suppress the rotation of the), and in the brake mode is switched to the walking mode by the second downward pressure on the heel of the user's footrest 200 And a mode conversion module 600 provided on the side of the wheel frame 400, wherein the inline skates return to the driving mode again by the user pressing downward three times on the heel portion of the footrest 200 in the walking mode. Can be.

The wheel frame 400 may be provided with a plurality of wheels for driving, and in this embodiment, three wheels 111a-111c are arranged in a line. One-way bearings may be installed on the shafts of the wheels 111a-111c, and thus the wheels 111a-111c may be rotated only when the inline skate is advanced. Therefore, forward driving force can be easily obtained when driving the inline skate, and it can be prevented from falling forward.

Referring to FIG. 1, the footrest 200 may have a shape of a foot, and a plurality of protrusions may be formed on the upper surface 202 to prevent a shoe or a foot from slipping.

In addition, a screw fastening hole 206 for screwing the wheel frame 400 may be formed at the center of the heel portion of the footrest 200, and the ankle fixing part 300 may be coupled to the heel portion of the footrest 200. In addition, the footrest 200 may be formed with a heel support portion 208 to prevent the shoe or foot from falling off the footrest 200. The heel support portion 208 may be provided with a stop member 210 to prevent excessive rotation of the ankle fixing portion 300.

In addition, an insertion portion 222 through which the brake piece 230 is inserted and screwed may protrude from the rear of the lower surface 220 of the footrest 200, and releases the mode release spring 240 in front of the insertion portion 222. ) May be formed a spring seating groove 224 is inserted.

The brake piece 230 may be formed to have a curvature corresponding to the outer circumferential surface of the wheel 111, for example, a structure for suppressing rotation of the wheel 111 by being in close contact with the wheel 111. Is made of a material that can increase the friction force with the wheel 111, the screw groove 232 may be formed on the upper surface, the insertion portion 222 is inserted with the brake spring 234 to the footrest ( The screw is fastened to the footrest 200 in communication with the screw fastening hole 206 of the 200, and may be pressed by the compression of the brake spring 234 when the footrest 200 is pressed.

In addition, a hinge protrusion 228 into which the hinge shaft 260 is inserted may be formed at the front of the spring seating groove 224.

In addition, a pair of attachment portions 270 may be formed at the front of the bottom surface 220 of the scaffold 200, in which two screw grooves 272 are formed for attachment of the mode conversion module 600. The conversion protrusion 274 may be formed at the front side of the center of the attachment portion 270.

Ankle fixing part 300 includes a vertical frame 340 that can be rotated by a certain angle with respect to the heel support portion 208 of the footrest 200, the inside of the vertical frame 340 soft to gently wrap the user's ankle Cover 360 may be provided. When the vertical frame 340 pivots around the hinge portion 350, the volume of the ankle fixing portion 300 and the entire inline skate is reduced, so that the inline skate is easy to carry, and conversely, the vertical frame 340 is used for the use of the inline skate. When the frame 340 is pivoted and erected, the ankle fixing part 300 may be vertically maintained as the protrusion 342 of the lower portion of the vertical frame 340 contacts the stop member 210 of the heel support 208. .

In general, when the user is standing in the in-line skates, the feet are pulled outwards, and the feet may be laid inwards in order to prevent this from happening and take a stable posture. Accordingly, the footrest 200 has an inner side slightly thicker than the outside so that when the lower surface 220 and the wheel frame 400 are horizontal, that is, when the wheel frame 400 is perpendicular to the ground, the inner side is inclined from the outside to the inside. The vertical frame 340 may be inclined outward by a slight angle to the outside.

In addition, a fastening means 140 for fastening the foot and ankle of the user to the footrest 200 may be provided on the footrest 200 and the upper portion of the vertical frame 340.

In this embodiment, male and female clips or velcro tapes are used as the fastening means 140, but other configurations may be used as necessary.

2 and 3, the wheel frame 400 is composed of a pair of frame body 420 of a shape corresponding to each other, the sliding module 500 may be accommodated therein.

The upper front of each of the frame body 420 is formed with a screw hole 426 screwed with the wheel shaft 410 is inserted for rotation of the wheel 111, the upper rear of the scaffold 200, the lower surface 220 A screw hole 424 is formed in which the hinge shaft 260 inserted into the hinge protrusion 228 is screwed, and a vertical portion and a horizontal portion form an “L” shape in the middle of the

screw holes

424 and 426. Sliding groove 428 may be formed.

In addition, the frame body 420 includes a bracket 430 on which the mode release spring 240 is seated, a bracket 432 on which the hinge shaft 260 is inserted, and a sliding piece 434 on which the sliding module 500 is accommodated. It is provided, the upper portion of the sliding piece 434 is provided so that the departure prevention piece 436 is protruded, the sliding module 500 can slide without being separated between the sliding piece 434 and the separation prevention piece 436. have. In addition, the protrusion bar 438 may protrude vertically from the upper portion of the release preventing piece 436.

As shown in FIG. 2, the sliding module 500 includes a sliding member 520 and an upper front surface of the sliding member 520 to be in contact with the conversion protrusion 274 formed on the front surface of the bottom surface 220 of the scaffold 200. A spring for accommodating the ridge protrusion 522 formed in the recess, the mode conversion pin receiving portion 530 formed at the rear of the ridge protrusion 522, and the first and

second springs

540 and 542 for providing different elastic forces. It may include a receiving portion 532 and a pair of walking mode projections 550 formed on the lower surface of the sliding member 520 to be located behind the

wheels

111a and 111b, respectively.

The mode conversion pin receiving unit 530 may be inserted into the mode conversion pin 534. The mode conversion pin 534 may be exposed to the sliding groove 428 of the wheel frame 400.

The conversion protrusion 274 attached to the bottom surface 220 of the scaffold 200 and the ridge protrusion 522 of the sliding member 520 may be right angled triangular protrusions, and each vertical surface and the inclined surface may face each other.

The lower surface 220 of the scaffold 200 may be concave so that the upper portion of the second wheel 111b may be accommodated without interference.

Meanwhile, the first and

second springs

540 and 542 may be pressed toward the rearmost wheel, that is, the third wheel 111c, and the elastic force of the first spring 540 is greater than that of the second spring 542. Can be small.

The first spring 540 may be provided in a pair, one end of each of which may be attached to the mode conversion pin 534, the other end is fixed to the spring receiving portion 532 of the sulfide member 520 mode The conversion pin 534 may be pressed to the original position.

The second spring 542 may be located between the pair of first springs 540, one end of which may be fixed to the spring receiving portion 532, and the other end of the second spring 542 may be attached to the protruding bar 438 to slide. The member 520 can be pressed to its original position.

The mode conversion module 600 may include a pair of mode conversion members 620 which are respectively screwed into the attachment portion 270 of the footrest 200 on which the two screw grooves 272 are formed. Each of the 620 is attached to the screw fastening portion 622 of the rectangular shape that is screwed into the screw groove 272 and perpendicular to the screw fastening portion 622 in a substantially triangular shape, the mode conversion pin 534 is moved mode The conversion unit 630 may be configured, and the mode conversion unit 626 and the guide piece 628 may be attached to the inner center of the mode conversion unit 630. The guide piece 628 consists of a vertical portion 628a and an inclined portion 628b, and the mode conversion pin 534 is positioned at the contact portion between the vertical portion 628a and the inclined portion 628b in the traveling mode. As pressed by the portion 628b, some elastic force may be formed in the first spring 540.

Each operation mode of the detachable inline skate according to the present embodiment will be described with reference to FIGS. 4 to 6 as follows.

First, FIG. 4 shows the driving mode. When the user wants to switch to the brake mode in which driving is stopped in this state, as shown in FIG. 5, when the user presses the heel portion of the footrest 200 with force, As the mode release spring 240 and the brake spring 234 are compressed, the footrest 200 rotates about the hinge shaft 260 of the hinge protrusion 228 so that the heel portion of the footrest 200 descends, and the footrest (200) Since the brake piece 230 screwed to the lower surface 220 presses the upper surface of the rearmost wheel 111c among the plurality of wheels 111, the driving of the inline skate may be stopped.

At this time, the conversion protrusion 274 of the lower surface 220 of the scaffold 200 is rotated slightly in the clockwise direction on the basis of the drawing, and each vertical surface of the ridge protrusion 522 and the conversion protrusion 274 of the sliding member 520 is As a result of being moved up and down with respect to each other, the vertical plane of each of the right angle triangular shaped projections 522 and the conversion projections 274 may be in contact with each other near the acute angle vertex.

In addition, the mode conversion pin 534 positioned at the contact portion between the vertical portion 628a and the inclined portion 628b is slightly raised upward according to the clockwise rotation of the conversion protrusion 274 to form an “L” shaped sliding groove 428. Is moved toward the side, and a second elastic force may also be formed in the second spring 542.

In this case, the mode conversion piece 626 may be located immediately below the moved mode conversion pin 534.

In this state, when the user removes the force applied to the heel portion of the footrest 200, the heel portion of the footrest 200 is moved by the upward elastic force of the mode release spring 240 and the brake spring 234 that have been compressed. The hinge shaft 260 is rotated to its original position, and thus, the brake mode is released and all the components return to the driving mode.

Next, when the user applies the force to the heel portion of the footrest 200 to apply the force to the heel portion more strongly in the state of executing the brake mode, it can be switched to the walking mode as shown in FIG. .

Specifically, as the mode release spring 240 and the brake spring 234 that were compressed are further compressed, the heel portion of the footrest 200 is rotated about the hinge shaft 260 of the hinge protrusion 228 to further lower. As a result, as the conversion protrusion 274 of the bottom surface 220 of the scaffold 200 is rotated slightly further clockwise based on the drawing, the conversion of the ridge protrusion 522 and the bottom surface 220 of the sliding module 500 is performed. The projection 274 is released from the state where the vertical surfaces of each other abut each other, and the sliding member 520 of the sliding module 500 is further moved forward by the first and

second springs

540 and 542 that are elastically applied. The sliding surfaces of the conversion protrusion 274 and the ridge protrusion 522 are in contact with each other, and the walking mode protrusions 550 before and after the sliding member 520 respectively fit with the rear surfaces of the

wheels

111a and 111b. Is reached.

At this time, the mode conversion pin 534, which has been moved toward the “L” shaped sliding groove 428, is moved upward to the upper side of the sliding groove 428 to be supported on the upper surface, thereby preventing the movement of the sliding member 520. The walking mode protrusions 550 formed in the rear surfaces of the

wheels

111a and 111b are respectively firmly fixed.

In addition, the mode conversion piece 626 positioned immediately below the mode conversion pin 534 may be positioned adjacent to the top of the mode conversion pin 534 supported on the upper surface of the sliding groove 424.

As such, the two

wheels

111a and 111b are firmly fixed and the movement of the mode conversion pin 534 is prevented, so that the user can safely walk on stairs or the like.

Subsequently, the release of the walking mode will be described. When the heel portion is strongly applied again in the above walking mode, the conversion protrusion 274 of the lower surface 220 of the scaffold 200 rotates in the clockwise direction, and the conversion is performed. The inclined surfaces of the protrusions 274 and the protrusions 522 are in contact with each other, and the sliding member 520 is rearward because the elastic force of the second spring 542 is stronger than the elastic force of the first spring 540. Sliding, and then the mode conversion pin 534 is returned to the state of the driving mode.

According to the embodiments of the present invention as described above, it is possible to prevent accidents caused by unstable posture, such as falling backward while being convenient to carry and wear, and to suppress the rotation of the wheel when walking stairs or other places. Since it is possible to walk safely, and also the switching of the operation mode by pressing the footrest is performed smoothly with a simple configuration of the mode conversion member, assembly is simplified.

What has been described above is only one embodiment of the removable inline skate according to the present invention, and the present invention is not limited to the above-described embodiment, so as to depart from the gist of the present invention as claimed in the following claims. Without departing from the scope of the present invention, those skilled in the art will have the technical spirit of the present invention to the extent that various changes can be made. In addition, within the scope of the basic technical idea of the present invention, many modifications and applications are also possible for those skilled in the art.

Claims

In the detachable inline skate, in which the user switches the running mode from the traveling mode to the brake mode, the brake mode to the walking mode, and the walking mode to the traveling mode by applying a sequential load to the heel portion of the footrest,

A wheel frame having a sliding groove and provided with a plurality of rotatable wheels;

A footrest which is hinged to the wheel frame by a hinge shaft and on which the foot of the user rests;

A brake piece provided at a lower portion of the scaffold to suppress rotation of a rear wheel among the plurality of wheels by rotation of the scaffold;

Elastic means for separating the brake piece from the wheel in a driving mode;

A sliding module sliding in the wheel frame according to the rotation of the scaffold;

And a mode conversion means for moving a mode conversion pin in the sliding groove of the wheel frame according to the sliding of the sliding module so as to switch between the operation modes.

Removable inline skates.
The method of claim 1,

The wheel frame has a shape corresponding to each other and includes a pair of frame body each formed with the sliding groove,

The sliding groove includes a vertical portion and a horizontal portion forming a "L" shape,

The frame body may include a bracket on which a mode release spring is seated, a bracket into which the hinge shaft is inserted, a sliding piece in which the sliding module is accommodated, and a protrusion formed on an upper portion of the sliding piece to prevent the sliding module from being separated. Prevention piece, and including a protrusion bar protruding vertically from the upper portion of the separation prevention piece

Removable inline skates.
The method of claim 1,

The scaffold includes a conversion protrusion,

The sliding module

With a sliding member,

A mountain protrusion formed to be in contact with the conversion protrusion of the scaffold;

A mode conversion pin accommodation portion formed at the rear of the ridge protrusion;

A spring receiving portion configured to receive the first and second springs providing different elastic forces;

Including a pair of walking mode projection formed on the lower surface of the sliding member so as to be respectively located behind the plurality of wheels,

The mode conversion pin is inserted into the mode conversion pin receiving portion, and the mode conversion pin is exposed to the sliding groove of the wheel frame.

Removable inline skates.
The method of claim 3, wherein

The conversion projection of the scaffolding and the ridge projection of the sliding member is a right triangle with each vertical surface and inclined surface facing each other,

The bottom surface of the scaffold is formed to be concave so as not to interfere with the top of the wheel

Removable inline skates.
The method of claim 3, wherein

The first and second springs are pressed toward the rearmost wheel of the plurality of wheels,

The first spring is provided in a pair, the elastic force of the first spring is less than the elastic force of the second spring, each end is attached to the mode conversion pin, the other end is fixed to the spring receiving portion of the sliding member Presses the mode conversion pin to its original position,

The second spring is located between the first spring, one end is fixed to the spring receiving portion, the other end is attached to the protruding bar to press the sliding member to its original position

Removable inline skates.
The method of claim 1,

The mode conversion module

A pair of mode conversion members screwed to the scaffold,

Each of the mode conversion member,

A rectangular screw fastening portion screwed to a screw groove formed in the scaffold, and a mode converting portion attached to the screw fastening portion perpendicularly to the mode conversion pin 534 to move, wherein the mode converting portion is a mode converting piece. And guides,

The guide piece includes a vertical portion and an inclined portion, and the mode conversion pin is positioned at a contact portion of the vertical portion and the inclined portion in the driving mode, and an elastic force is formed on the first spring according to the pressing portion. felled

Removable inline skates.
The method of claim 6,

The mode conversion pin which is located at the contact portion of the vertical portion and the inclined portion is moved to the boundary between the vertical portion and the horizontal portion of the sliding groove in the brake mode, the elastic force is formed on the second spring,

The mode conversion piece is located adjacent to the lower portion of the mode conversion pin moved

Removable inline skates.
The method of claim 7, wherein

When the converting projection of the scaffold is further rotated clockwise in the brake mode, the vertical projection of the sliding member and the converting projection are released from each other, and the first and second springs having elasticity are released. The sliding member is slid forward so that the respective inclined surfaces of the conversion projection and the mountain projection are in contact with each other,

The walking mode projections of the sliding module are in contact with the wheel, respectively.

Removable inline skates.
The method of claim 7, wherein

The mode conversion pin, which was moved at the boundary between the vertical part and the horizontal part of the sliding groove, is supported on the upper surface of the sliding groove to prevent movement.

The mode conversion piece which was positioned adjacent to the bottom of the mode conversion pin is located adjacent to the top of the mode conversion pin supported on the upper surface of the sliding groove.

Removable inline skates.