JP7064210B2 - Bicycle suspension device - Google Patents

Description

The present invention relates to a bicycle suspension device that suspends the front wheels of a bicycle.

Conventionally, a pair of left and right hanging arms protruding from a support pillar erected on the floor is provided, and the hub of the front wheel of the bicycle is locked to the tip of the hanging arm to suspend the front wheel of the bicycle. A bicycle suspension device is known (see Patent Document 1). In this case, each hanging arm can be moved up and down along the support column by the driving means.

Special Fair 4-64388 Gazette

However, in the above-mentioned conventional one, the structure becomes large because it is provided with a driving means, and since each hanging arm protrudes from the support pillar, the hanging arm becomes an obstacle when not in use, and when not in use. There is a problem that the empty space cannot be effectively used.

Moreover, in recent bicycles, the weight has been significantly reduced by reviewing the material of each part, and expensive materials may be applied to, for example, the front wheel rim. Therefore, if the suspension arms from both the left and right sides come into contact with the rim of the front wheel when the hub portion of the front wheel is locked, the rim of the front wheel may be damaged.

The present invention has been made in view of this point, and an object thereof is to make effective use of empty space when not in use, and to prevent damage to the front wheel rim when suspending the front wheel. The purpose is to provide a bicycle suspension device that can be reliably prevented.

In order to achieve the above object, the present invention presupposes a bicycle suspension device that suspends the front wheels of the bicycle. In addition, the base end is rotatably supported with respect to the vertical surface, and the position of the bicycle to lie down along the vertical surface when not in use and the tip of the bicycle to rotate downward when in use to rotate the center of rotation of the front wheel of the bicycle. It is provided with an arm member that undulates from an upright position that wraps around and holds only the tire portion of the front wheel in both the left and right directions in a state of protruding beyond. Further, the vertical surface holds the front wheel of the bicycle in cooperation with the arm member when the arm member rotates downward to an upright position during use, and the arm member is provided with a length in the longitudinal direction thereof. A changing means for changing according to the size of the front wheel of the bicycle is provided. Then, the base end side arm and the tip end side arm are provided in the changing means, and the tip end side arm is converted from a short position to a long position by rotation of the tip end side arm with respect to the base end side arm, and the length thereof is long. It is characterized in that the tip side arm in which the locking pin is locked to the base end side arm is held at the position.
On the other hand, a bicycle suspension device that suspends the front wheels of the bicycle is also assumed. In addition, the base end is rotatably supported with respect to the vertical surface, and the position of the bicycle to lie down along the vertical surface when not in use and the tip of the bicycle to rotate downward when in use to rotate the center of rotation of the front wheel of the bicycle. It is provided with an arm member that undulates from an upright position that wraps around and holds only the tire portion of the front wheel in both the left and right directions in a state of protruding beyond. Further, the vertical surface holds the front wheel of the bicycle in cooperation with the arm member when the arm member rotates downward to an upright position during use, and the arm member is provided with a length in the longitudinal direction thereof. A changing means for changing according to the size of the front wheel of the bicycle is provided. Then, the base end side arm and the tip end side arm are provided in the change means, and the tip end side arm is converted from a short position to a long position by sliding the tip end side arm with respect to the base end side arm, and the length thereof is long. It is characterized in that the tip end side arm having a pin held by the base end side arm is held at a position.

Further, the vertical surface may be provided with a front wheel side holding portion that wraps around and holds only the tire portion of the front wheel in both the left and right directions on the vertical surface side.

Further, the vertical surface may be provided with a rear wheel side holding portion that wraps around and holds only the tire portion of the rear wheel of the bicycle in both the left and right directions.

Further, as the vertical surface, a bottom surface of a rail-shaped member having a substantially concave cross section extending in the vertical direction may be applied.

Further, the rail-shaped member may be attached to the rear surface of the seat of the moving vehicle.

On the other hand, the rail-shaped member may be attached to the wall surface of the moving vehicle.

As described above, in short, by converting the arm member whose base end portion is rotatably supported on the vertical surface to the inverted position along the vertical surface when not in use, the arm member does not get in the way when not in use. , You can effectively use the empty space when not in use.

Moreover, when the front wheel is rotated downward during use and converted to the upright position, the tip of the arm member that protrudes beyond the center of rotation of the front wheel wraps only the tire part of the front wheel in both the left and right directions and holds the front wheel. By suspending, when suspending the front wheel by the suspension device, only the tire part of the front wheel is wrapped from both left and right without touching the rim of the front wheel, and the front wheel keeps the posture of the bicycle stably. It is possible to surely prevent the rim from being scratched.

In addition, by holding the front wheel of the bicycle in cooperation with the arm member that suspends the front wheel, the front wheel is held by the front wheel side holding part that wraps around only the tire part of the front wheel in both the left and right directions on the vertical surface side. When the bicycle is suspended, the tire portion can be stably suspended at two points, and the posture of the bicycle can be maintained more stably.

Further, by changing the length of the arm member in the longitudinal direction according to the size of the front wheel of the bicycle, a bicycle for adults and a bicycle for children can be hung, and the convenience can be enhanced.

In addition, the rear wheel side holding part provided on the vertical surface wraps around and holds only the tire part of the rear wheel of the bicycle in both the left and right directions, so that the holding power of the rear wheel can be obtained and the bicycle can be suspended. The lower posture can be maintained smoothly.

In addition, by applying the bottom surface of the rail-shaped member having a substantially concave cross section extending in the vertical direction as a vertical surface, it is possible to store the arm member inside the rail-shaped member when the arm member is not in use, and the arm when not in use. The member is blindfolded and the appearance can be kept good.

Furthermore, by attaching the rail-shaped member to the rear surface of the seat of the mobile vehicle, the bicycle mounted on the mobile vehicle can be safely stored in a familiar place such as the rear surface of the seat, and the work of getting on and off the mobile vehicle can be performed. Can be done smoothly.

On the other hand, by attaching the rail-shaped member to the wall surface of the mobile vehicle, the bicycle mounted on the mobile vehicle can be safely stored in a familiar place such as the wall surface of the mobile vehicle, and the bicycle can be stored in the mobile vehicle. Getting on and off work can be done smoothly.

It is a perspective view which shows the state which the suspension device which suspends the front wheel of the bicycle which concerns on embodiment of this invention is installed on the rear surface of the seat of a train. It is a perspective view of the arm member of the bicycle suspension device for an adult of FIG. 1 in a state of being converted into an upright position at the time of use. It is a side view of the bicycle suspension device for adults of FIG. FIG. 2 is a front view of the bicycle suspension device for adults in FIG. 2 as viewed from the bicycle side. FIG. 3 is an enlarged view showing a state in which the front wheel of the bicycle for adults of FIG. 3 is brought into contact with the tip end side arm when the front wheel of the bicycle is suspended by the arm member of the suspension device. It is a perspective view in the state where the arm member of the suspension device of FIG. 1 is converted into the laid-down position when not in use. FIG. 6 is a front view of the hanging device of FIG. 6 as viewed from the bicycle side. It is a side view of the rail-shaped member which laid down the arm member of the suspension device of FIG. It is explanatory drawing explaining the operation of the changing means which changes the length in the longitudinal direction of the arm member of a suspension device. It is a perspective view of the arm member of the bicycle suspension device for children of FIG. 1 in a state where it is converted into a protruding position at the time of use. It is a side view of the bicycle suspension device for a child of FIG. 11 is a front view of the child's bicycle suspension device of FIG. 11 as viewed from the bicycle side. FIG. 11 is an enlarged view showing a state in which the front wheel of the child's bicycle of FIG. 11 is brought into contact with the base end side arm when the front wheel of the bicycle is suspended by the arm member of the suspension device. It is a perspective view in the state where the arm member of the suspension device of a mountain bike type bicycle is converted into the protruding position at the time of use. It is a side view of the bicycle suspension device of FIG. FIG. 14 is a front view of the bicycle suspension device of FIG. 14 as viewed from the bicycle side. FIG. 15 is an enlarged view showing a state in which the front wheel of the bicycle of FIG. 15 is brought into contact with the tip end side arm when suspended by the suspension device. It is a perspective view which shows the state which the suspension device of the bicycle which concerns on the modification of embodiment of this invention is installed on the wall surface of a train. It is explanatory drawing explaining the operation of the changing means which changes the length in the longitudinal direction of the arm member of the suspension device which concerns on other modification of embodiment of this invention.

Hereinafter, the bicycle parking device according to the embodiment of the present invention will be described with reference to the drawings.

FIG. 1 shows an explanatory diagram illustrating a usage state of the bicycle suspension device according to the present invention, and FIG. 1 is a suspension device for suspending the front wheels BF11 and BF21 of the bicycles B1 and B2. The suspension device 1 includes a rail-shaped member 11 having a substantially concave cross section extending in the vertical direction. As the bicycle B1, a road bike type bicycle for children (appearing in FIGS. 10 to 13) is applied, and as a bicycle B2, a road bike type bicycle for adults (appearing in FIGS. 2 to 5) is applied, and the front wheels are applied. Tire houses for BF11, BF21 and rear wheels BR11, BR21 are not installed.

The rail-shaped member 11 has two rows on the rear surface of the backrest plate material 121 of the two-seat seat 12 of the train A as a mobile vehicle at intervals in the left-right direction, and one row on the rear surface of the backrest plate material 131 of the one-seat seat 13. It is attached one by one. Further, each rail-shaped member 11 is formed to be longer than the backrest plate members 121 and 131, and a length of about one-third of the upper end of the backrest plate members 121 and 131 projects upward. In this case, the two-seat seat 12 and the one-seat seat 13 are installed so as to face each other between the doors 14 adjacent to each other in the front-rear direction.

FIG. 2 is a perspective view of the arm member of the suspension device 1 of the adult bicycle B2 of FIG. 1 in a state of being converted into an upright position when used, and FIG. 3 is a perspective view of the suspension device 1 of the adult bicycle B2 of FIG. The side views of are shown respectively. Further, FIG. 4 is a front view of the suspension device 1 of the adult bicycle B2 of FIG. 2 as viewed from the side of the bicycle B2, and FIG. 5 is a front view of the front wheel of the adult bicycle B2 of FIG. Enlarged views showing a state in which the bicycle is brought into contact with the tip side arm when suspended are shown. Further, FIG. 6 is a perspective view of the arm member of the suspension device 1 of FIG. 1 converted into an inverted position when not in use, and FIG. 7 is a front view of the suspension device 1 of FIG. 6 as viewed from the bicycle B2 side. 8 and 8 show side views of the rail-shaped member 11 in which the arm member of the suspension device 1 of FIG. 6 is laid down.

As shown in FIGS. 2 to 8, an arm member 2 is provided in the vicinity of substantially the center of each rail-shaped member 11. The base end of the arm member 2 is rotatably supported on both left and right side surfaces connected to the bottom surface 111 (vertical surface) of the rail-shaped member 11 via pins 22, and the rail-shaped member 11 is supported along the bottom surface 111. The non-use tilted position (states shown in FIGS. 6 to 8) that lie down so as to be stored inside and the upright position (states shown in FIGS. 2 to 5) that rotate downward and stand up so as to protrude during use. ) Is supported up and down freely. In this case, when the arm member 2 is tilted to the tilted position, it is stored inside the rail-shaped member 11 so as not to be seen from the side of the rail-shaped member 11.

Each rail-shaped member 11 is provided with a stopper 110 having a substantially U-shaped cross section for positioning the arm member 2 in an upright position by contact with the upright position when the arm member 2 is converted to an upright position during use. Further, a resin front wheel side holding portion 112 that covers the outer peripheral ends of the tire portions BF12 and BF22 of the front wheels BF11 and BF21 of the bicycles B1 and B2 and both side surfaces thereof is attached to the upper end portion of each rail-shaped member 11. Has been done. On the other hand, at the lower part of each rail-shaped member 11, a resin rear wheel side holding portion 113 that covers the outer peripheral ends of the tire portions BR12 and BR22 of the rear wheels BR11 and BR21 of the bicycles B1 and B2 and both side surfaces thereof is provided. It is attached.

FIG. 9 shows an explanatory diagram illustrating the operation of the changing means for changing the length of the arm member 2 of the suspension device 1 in the longitudinal direction. As shown in FIG. 9, the arm member 2 is provided with a changing means 21 for changing the length in the longitudinal direction thereof according to the sizes of the front wheels BR11 and BR21 of the bicycles B1 and B2. The changing means 21 includes a base end side arm 23 whose base end is supported by the pin 22, and a front end side arm 25 whose base end portion is rotatably supported by the tip of the base end side arm 23 via a pin 24. And have. Further, a damper 15 for assisting the undulating operation of the arm member 2, that is, the proximal end side arm 23 is provided between the arm member 2 and the rail-shaped member 11.

The base end side arm 23 includes a pair of left and right arm pieces 231,231 and a connecting piece 232 that connects the intermediate portions of both arm pieces 231 in the longitudinal direction at one end in the lateral direction (the lower end in the upright position of the arm member 2). I have. On the other hand, the tip side arm 25 includes a pair of left and right arm pieces 251 and 251 and plate-shaped resin materials 252 and 252 attached to facing surfaces of the two arm pieces 251 facing each other.

10 is a perspective view in a state where the arm member 2 of the suspension device 1 of the child bicycle B1 of FIG. 1 is converted into a protruding position at the time of use, and FIG. 11 is a perspective view of the child bicycle B1 suspension device of FIG. The side view of 1 is shown respectively. Further, FIG. 12 is a front view of the suspension device 1 of the child's bicycle B1 of FIG. 11 as viewed from the bicycle B1 side, and FIG. 13 is an arm member of the front wheel BF11 of the child's bicycle B1 of FIG. An enlarged view showing a state in which the bicycle is brought into contact with the base end side arm 23 when suspended by No. 2 is shown.

As shown in FIGS. 10 to 13, the tip side arm 25 rotates around the pin 24 and falls down along the base end side arm 23 when suspending the child bicycle B1 and hits the connecting piece 232. The short position (position shown in FIGS. 10 to 13) that is changed to a short length while still in contact, and the long position that is extended when the adult bicycle B2 is hung. It is converted to a long position (position shown in FIGS. 1 to 5). At this time, the front wheel BF11 of the child's bicycle B1 is suspended in contact with the pin 24 of the proximal end arm 23 in a state where the distal end arm 25 is converted into a short position.

A contact piece 253 with which the outer peripheral end of the tire portion BF22 of the front wheel BF21 abuts when the adult bicycle B2 is suspended is attached to the tip of the tip side arm 25. Then, when the outer peripheral end of the tire portion BF22 of the front wheel BF21 comes into contact with the contact piece 253, both side surfaces of the tire portions BF12 and BF22 are subjected to resin materials 252 and 252 of both arm pieces 251 of the tip end side arm 25 from both left and right directions. It is designed to be included. Further, a locking pin 254 is attached to the base end of the tip end side arm 25, and the locking pin 254 is locked in a locking hole 233 provided at the tip end of the base end side arm 23 and is long. It holds the conversion posture when it is converted to the position.

At this time, the contact piece 253 at the tip of the tip side arm 25 that comes into contact when the front wheel BF 21 of the adult bicycle B2 is suspended, and the base that comes into contact when the front wheel BF 11 of the child bicycle B1 is suspended. The pin 24 at the tip of the end-side arm 23 is located on the anti-rail-shaped member 11 side of the vertical line passing through the rotation centers of the front wheels BF11 and BF21 of the bicycles B1 and B2, respectively. As a result, the front wheels BF11, BF21 and the rear wheels BR11, BR21 of the bicycles B1 and B2 are tilted toward the rail-shaped member 11 and are held by the front wheel side holding portion 112 and the rear wheel side holding portion 113, respectively. It has become so.

Further, the base end side arm 23 (arm member 2) is provided with a substantially semicircular grip portion 234 attached to the tip of the connecting piece 232, and the tip end side arm 25 is placed in an immersive position in a state of being converted into a short position. It is gripped when pulling out the converted base end side arm 23.

FIG. 14 is a perspective view in a state where the arm member 2 of the mountain bike type bicycle suspension device 1 is converted into a protruding position at the time of use, and FIG. 15 is a side view of the bicycle suspension device 1 of FIG. ing. Further, FIG. 16 is a front view of the bicycle suspension device 1 of FIG. 14 as viewed from the bicycle side, and FIG. 17 is a contact with the tip side arm when suspending the front wheel of the bicycle of FIG. 15 by the suspension device 1. An enlarged view showing the state is shown respectively.

The front wheel side holding portion 112 and the rear wheel side holding portion 113 are wide formed from the positions corresponding to both side surfaces of the tire portions BF12, BF22, BR12, BR22 of the front wheels BF11, BF21 and the rear wheels BR11, BR21. It has a portion 114. Then, in the case of the wide front wheel BF31 and the rear wheel BR31 such as the mountain bike type bicycle B3, the step portion 114 of the front wheel side holding portion 112 and the rear wheel side holding portion 113 is set as a vertical surface. With the peripheral ends of the tire portions BF32 and BR32 in contact with the step portion, it is possible to hold the tire portions from both the left and right directions.

Therefore, in the present embodiment, the arm member 2 (base end side arm 23) whose base end is rotatably supported on both left and right side surfaces connected to the bottom surface 111 of the rail-shaped member 11 via pins 22 is provided. Since the rail-shaped member 11 is converted to an inverted position along the bottom surface 111 when not in use, the arm member 2 does not get in the way when not in use, and the empty space when not in use can be effectively used.

Moreover, when the arm member 2 (base end side arm 23) is rotated downward and converted to an upright position during use, the tip end side arm 25 is rotated and converted to a long position, and in this state, the front wheel BF11, Only the tire portions BF12, BF22, and BF32 of the BF21 and BF31 are in contact with the contact piece 253 and are held by the resin materials 252 and 252 in both the left and right directions from both the left and right directions, while the front wheel BF11, BF21, by the front wheel side holding portion 112. The front wheels BF11, BF21, and BF31 are suspended in a state where only the tire portions BF12, BF22, and BF32 of the BF31 are included from both the left and right directions. As a result, when suspending the front wheels BF11, BF21, and BF31 by the suspension device 1, the bicycle can hold only the tire portions BF12, BF22, and BF32 from both the left and right directions without touching the rims of the front wheels BF11, BF21, and BF31. While the postures of B1, B2 and B3 are stably maintained at two points, it is possible to surely prevent the front wheels BF11, BF21 and BF31 from being scratched on the rim.

Further, since the length of the arm member 2 in the longitudinal direction is changed according to the size of the front wheel BF11 of the bicycle B1 for children and the front wheel BF21 of the bicycle B2 for adults, the length of the bicycle for adults and the bicycle for children is changed. Both can be hung, and convenience can be improved.

Further, due to the rear wheel side holding portion 113 attached to the lower part of each rail-shaped member 11, only the tire portions BR12 and BR22 of the rear wheels BR11 and BR21 of the bicycles B1 and B2 for children and adults can be used in both the left and right directions. Since it wraps around and is held, the holding power of the rear wheels BR11 and BR21 can be obtained, and the suspended postures of the bicycles B1 and B2 can be smoothly maintained.

Further, since the bottom surface 111 of the rail-shaped member 11 having a substantially concave cross section extending in the vertical direction is applied as a vertical surface, it can be stored inside the rail-shaped member 11 when the arm member 2 is not used. The arm member 2 when not in use is blindfolded so that the appearance can be kept good.

Further, since the rail-shaped member 11 to which the arm member 2 is attached is attached to the rear surface of the backrest plate members 121 and 131 of the seats 12 and 13 of the train A, the bicycles B1 and B2 mounted on the train A are attached to the seats 12 and 13. It can be safely stored in a familiar place such as the rear surface, and the work of getting on and off the train A can be performed smoothly.

The present invention is not limited to the above embodiment, and includes various other modifications. For example, in the above embodiment, the rail-shaped member 11 to which the arm member 2 is attached is attached to the rear surface of the backrest plate members 121, 131 of the seats 12, 13 of the train A, but as shown in FIG. 18, the rail-shaped member 11 is attached. May be attached to one wall surface A1 (vertical surface) in the left-right direction of the train A. In this case, a two-seater seat 12 is provided on the other wall surface side in the left-right direction of the train A, and the bicycles B1 and B2 mounted on the train A can be safely stored in a familiar place such as one wall surface in the left-right direction. In addition, the work of getting on and off the train A can be performed smoothly.

Further, in the above-described embodiment, the changing means 21 for changing the length of the arm member 2 in the longitudinal direction according to the sizes of the front wheels BR11 and BR21 of the bicycles B1 and B2 is supported by the pin 22 at the base end. It is composed of an end side arm 23 and an end side arm 25 whose base end portion is rotatably supported via a pin 24 at the tip of the arm 23. As shown in FIG. 19, a means for changing the arm member 4 41 is slidably supported with respect to the proximal end side arm 43 whose proximal end is supported by the pin 22, and the length of the arm member 2 in the longitudinal direction is slid with respect to the proximal end side arm 43. It may be configured by the tip side arm 45 which is changed by movement.

Specifically, the base end side arm 43 is cut out above a pair of left and right arm pieces 431, 431, a long hole 432 extending in the longitudinal direction of both arm pieces 431, and an end side end of the long hole 432. It is provided with a notch 433 and a pin 44 for connecting the upper positions of the front ends of both arm pieces 431. On the other hand, the tip side arm 45 has a pair of left and right arm pieces 451 and 451 and a long hole 452 extending in the longitudinal direction of both arm pieces 451 and a pin 44 cut out above the tip end side end of the long hole 452. It is provided with a notch 453 for holding the arm and a connecting pin 454 that is slidably supported in the elongated hole 432 of the base end side arm 43 and connects the rear ends of both arm pieces 451 to each other. Then, the tip side arm 45 slides the connecting pin 454 in the long hole 452 while sliding the pin 44 in the long hole 432, so that the pin 44 is cut out when suspending the child's bicycle B1. A short position (one-dot chain line position shown in FIG. 19) that is changed to a short length while being held in the portion 453, and a pin 454 that is extended when the adult bicycle B2 is suspended and the pin 454 is inserted in the cutout portion 433. It is converted to a long position (solid line position shown in FIG. 19) which is changed to a long length while being held in.

Further, in the above-described embodiment, the suspension device 1 of the bicycles B1 and B2 is provided on the train A, but it may be a moving vehicle such as a container truck. Further, only the arm member of the suspension device may be provided on the wall surface (vertical surface) of the living space in the building, the rear surface of the backrest plate material of the train seat, or the wall surface (vertical surface) of the train. Further, the arm member of the suspension device, together with at least one of the front wheel side holding portion and the rear wheel side holding portion, is formed on the wall surface (vertical surface) of the living space in the building or the rear surface of the backrest plate material of the train seat. It may be provided on the wall surface (vertical surface) of the train.

Further, in the above-described embodiment, the length of the arm member 2 in the longitudinal direction is changed according to the size of the front wheel BF11 of the bicycle B1 for children and the front wheel BF21 of the bicycle B2 for adults, but the length of the arm member 2 is long. The length in the direction may remain unchanged and unchanged.

1 Suspension device 11 Rail-shaped member 111 Bottom surface (vertical surface) of rail-shaped member
112 Front wheel side holding part 113 Rear wheel side holding part 114 Front wheel side holding part and rear wheel side holding part stepped portion (vertical surface)
12 Two-seat seat 121 Rear surface of backrest plate 13 Single-seat seat 131 Rear surface of backrest plate 2 Arm member 21 Changing means 4 Arm member 41 Changing means A Train A1 One wall surface (vertical surface) in the left-right direction of the train
B1 Road bike type bicycle for children B2 Road bike type bicycle for adults B3 Mountain bike type bicycle BF11 Front wheel BF12 Tire part BF21 Front wheel BF22 Tire part BF31 Front wheel BF32 Tire part

Claims (7)

A bicycle suspension device that suspends the front wheels of a bicycle.
The base end is rotatably supported with respect to the vertical surface, and the tip of the bicycle is projected beyond the center of rotation of the front wheel of the bicycle by rotating downward along the vertical surface and when not in use. It is equipped with an arm member that undulates between the upright position that wraps around only the tire part of the front wheel in both the left and right directions and holds it in this state.
The vertical surface holds the front wheel of the bicycle in cooperation with the arm member when the arm member rotates downward to an upright position during use .
The arm member comprises a changing means for changing its length in the longitudinal direction according to the size of the front wheel of the bicycle.
The changing means has a proximal end side arm and an distal end side arm, and the distal end side arm is converted from a short position to a long position by rotation of the distal end side arm with respect to the proximal end side arm, and the elongated position thereof. A bicycle suspension device, characterized in that the tip end side arm is held with a locking pin locked to the base end side arm . A bicycle suspension device that suspends the front wheels of a bicycle.
The base end is rotatably supported with respect to the vertical surface, and the tip of the bicycle is projected beyond the center of rotation of the front wheel of the bicycle by rotating downward along the vertical surface and when not in use. It is equipped with an arm member that undulates between the upright position that wraps around only the tire part of the front wheel in both the left and right directions and holds it in this state.
The vertical surface holds the front wheel of the bicycle in cooperation with the arm member when the arm member rotates downward to an upright position during use.
The arm member comprises a changing means for changing its length in the longitudinal direction according to the size of the front wheel of the bicycle.
The changing means has a proximal end side arm and an distal end side arm, and the distal end side arm is converted from a short position to a long position by sliding the distal end side arm with respect to the proximal end side arm, and the elongated position thereof. A bicycle suspending device, characterized in that the tip end side arm is held by the base end side arm in which a pin is held . The bicycle according to claim 1 or 2 , wherein the vertical surface is provided with a front wheel side holding portion that wraps around and holds only the tire portion of the front wheel in both the left and right directions on the vertical surface side. Suspension device. The invention according to any one of claims 1 to 3, wherein the vertical surface is provided with a rear wheel side holding portion that wraps around and holds only the tire portion of the rear wheel of the bicycle in both the left and right directions. Bicycle suspension device. The bicycle suspension device according to any one of claims 1 to 4, wherein a bottom surface of a rail-shaped member having a substantially concave cross section extending in the vertical direction is applied as the vertical surface. The bicycle suspension device according to claim 5, wherein the rail-shaped member is attached to the rear surface of a seat of a mobile vehicle. The bicycle suspension device according to claim 5, wherein the rail-shaped member is attached to a wall surface of a mobile vehicle.

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