JPH02102885A - Monocycle - Google Patents

Abstract

PURPOSE:To make a monocycle simply settable in an upright by supporting a stand member on a fork free of rotation around a horizontal shaft in making its attitude alterable into a stand position and a storage position. CONSTITUTION:To solve this technical problem in a monocycle being made up of installing a saddle 4 on top of a fork 1 supporting a wheel 8 through a bearing via a seat post 5, there is provided with a stand member 17 with a base 18 and a support leg 19 uprighted from this base 18, and this base 18 is made up of bending a metal rod or the like into a U-shaped form, while the support leg 19 is constituted by a metal plate or the like and it is installed in a symmetrically paired manner so as to be positioned at both sides of the wheel 8. One end of each support leg 19 is tightly attached to both symmetrical sides of the base 18 by means of welding or the like, and the other end of each support leg 19 is pivotally supported on a mounting piece 21 projectingly installed forward on the upper part of each fork leg 3 free of rotation around a horizontal shaft 20. In addition, an engaging member 25 made up of being formed in a U-shaped form by a spring plate is installed in the stand member 17, and when this stand member 17 is made into a storage position, this engaging member 25 is set so as to make an upper end of the seat post 5 elastically holdable.

Description

[Detailed description of the invention] <Industrial application field> The present invention relates to a unicycle for entertainment and sports.

<Conventional technology> Recently, sports using wheeled wheels have been attracting attention, and they are being used mainly in elementary schools to relieve children's lack of stamina and obesity caused by lack of coordination, and to develop their sense of balance and reflexes. Unicycles are being actively incorporated into classes and club activities.

By the way, the conventional unicycle did not have a stand on the bicycle itself like the bicycle -a.

<Problem to be solved by the invention> Therefore, conventionally, when displaying and displaying unicycles at stores, -
It was necessary to provide a stand separate from the wheels, which made displaying and displaying the wheels extremely troublesome.

Also, when storing rear-wheel vehicles used by children, etc.,
The wheeled vehicle was installed lying on its side, making it impossible to store the wheeled vehicle compactly, which was very inconvenient.

SUMMARY OF THE INVENTION In view of the above-mentioned problems, it is an object of the present invention to provide a convenient unicycle which can be easily installed in an upright position and whose stand member does not get in the way during use.

<Means for Solving the Problems of the Invention> The technical means of the present invention for solving this technical problem is that a saddle 4 is provided at the upper part of the hawk 1 via a seat post 5, and a pair of left and right hawks at the bottom of the hawk 1 are provided. Wheel 8 between legs 3
A unicycle is rotatably supported via a left-right crankshaft 9. A stand member 17 having a base 18 and support legs 19 erected from the base 18 is provided, and the base 18 is positioned below the wheel 8. The stand member 17 is moved so that the stand member 17 changes its position between the stand position where the base 18 is positioned above the wheels 8 and the storage position where the base 18 is located above the wheels 8.
A support leg 19 is pivotally supported on the hawk l so as to be rotatable around a horizontal axis, and the hawk l is pivoted to hold the stand member 17 in the storage position.
And/or the stand member 17 is provided with an engaging member 25 that detachably engages with the seat post 5.

<Function> When the stand member 17 is rotated downward about the horizontal axis 20,
The stand member 17 assumes a stand position as shown in FIG. 1, and the wheeled vehicle is placed in an upright position by the stand member 17. Further, when the stand member 17 is rotated upward about the horizontal shaft 20, the engaging member 25 is attached to the hawk l or the seat post 5.
The stand member 17 is held in the storage position in which the base 18 is located above the wheels 8. At this time, support leg 1
9 is along the hawk l or the seat post 5.

<Example> Hereinafter, the present invention will be explained according to the illustrated example.
5 to 5 show an embodiment of the present invention. In the figures, numeral 1 is a hawk, which has a cylindrical hawk stem 2 at its upper part and a pair of left and right hawk legs 3 at its lower part.

Reference numeral 4 denotes a saddle, which is provided on the upper part of the fork l via the seat post 5 so as to be vertically adjustable.

A wheel 8 is rotatably supported via a crankshaft 9 between the lower portions of the pair of left and right hawk legs 3.

That is, the hub cylinder 10 of the wheel 8 is fitted and fixed to the crankshaft 9, and the mounting plates 1) protruding from the lower ends of the pair of fork legs 3 are respectively fitted on both sides of the crankshaft 9 in the axial direction through bearings. ing. A pair of left and right cranks 13 are protruded from both axial ends of the crankshaft 9, and a pedal 14 is provided at the outer end of each crank 13.
is installed.

A stand member 17 has a base 18 and support legs 19 that stand up from the base 18. The base 18 is formed by bending a metal bar or the like into a U-shape. The support legs 19 are made of a metal plate or the like, and are provided in pairs on both sides of the wheel 8 . One end of each support leg 19 is fixed to the left and right sides of the base 18 by welding or the like, and the other end of each support leg 19 is
A horizontal shaft 2 is attached to a mounting piece 21 protruding forward from the top of each hawk foot 3.
0, so that the stand member 17 can be placed in a stand position in which the base 18 is located below the wheels 8 as shown in FIG. 1, and in a stand position as shown in FIGS. 3 and 4. The base 18 is configured to be changeable between a storage position and a storage position in which the base 18 is located above the wheels 8.

When the stand member 17 is rotated downward to take the stand position, the base 18 is positioned below the wheels 8 and touches the ground as shown in FIG.
The stand member 17 is placed along the front side of the wheel 8.
Support Hawk 1 so that it floats. Furthermore, when the stand member 17 is rotated upward to take the storage position, the base 18 closely follows the lower surface of the saddle 4 as shown in FIG. 3, and the front end of the base 18 projects slightly forward from the front end of the saddle 4. The front end of the base 18 serves as a guard part 23 for protecting the front end of the saddle 4.

That is, when the wheeled vehicle falls forward, the guard portion 23 of the base 18 hits the ground or the like to protect the front end of the saddle 4 before the front end of the saddle 4 touches the ground.

Further, the horizontal width of the base 18 is formed to be smaller than the horizontal width of the saddle 4, so that when the stand member 17 is in the storage position as shown in FIG. ing.

Reference numeral 25 denotes a retaining member provided on the stand member 17, which is formed into a U-shape by means of springs, and is fixed to the base 18 so as to connect both left and right sides thereof, and is engaged when the stand member 17 is in the storage position. The mating member 25 elastically holds the upper end of the seat post 5, so that the retaining member 25 detachably engages with the seat post 5 to protect the stand member 17 in the storage position. In addition, stand member 1
When the device 7 is placed in the stand position, the stand position is maintained by the engagement between the protrusion 24 of the mounting piece 21 and the recess 26 of the support leg 19, as shown in FIG.

FIG. 6 shows another embodiment, in which a guard portion 23 is also provided at the rear end of the base 18 of the stand member 17 and protrudes rearward from the rear end of the saddle 4, so that the rear end of the saddle 4 can be protected. This is what I did. Further, a cushioning material 27 made of rubber or the like is externally fitted onto the guard portion 23. The guard portion 23 at the rear end of the base 18 can also be used as a grip portion for gripping the vehicle by rotating one hand toward the rear when riding the wheeled vehicle. In other respects, the configuration is similar to that of the previous embodiment.

FIG. 7 shows another embodiment, in which a footrest protrusion 28 is provided in the middle of a pair of left and right support legs 19 to protrude outward in the left and right direction. In other respects, the configuration is similar to that of the previous embodiment.

FIG. 8 shows another embodiment, in which the support leg 19 is rotatably supported around a horizontal axis 20 on a mounting piece 21 protruding from the mounting plate 1) at the lower end of the hawk foot 3. form short,
The base 18 is positioned directly above the wheels 8 when in the storage position. Although not shown in this case, a retaining member 25 provided on the base 18 is detachably engaged with the hawk leg 3 of the hawk I.

9 and 10 show another embodiment, in which the support leg 19 is composed of an upper rod 31 and a lower rod 32, the upper rod 31 is provided with a long hole 33 in the vertical direction, and the upper rod 32 is provided with an elongated hole 33. A pair of upper and lower mounting holes 34 are provided, and these upper and lower rods 31 and 32 are connected to the elongated hole 33.
The supporting legs 19 can be adjusted to expand and contract in the longitudinal direction by being removably fixed with bolts and nuts 35 inserted through the mounting holes 34. In this case, by adjusting the extension and contraction of the support legs 19 in accordance with the vertical adjustment of the saddle 4, when the stand member 17 is in the storage position, the base 18
can be reliably stored near the bottom surface of the saddle 4.

Figure 1) shows another embodiment, in which the upper rod 31 of the support leg 19 (
Alternatively, the lower rod 32) is formed to have a U-shaped cross section, and the lower rod 32 (upper rod 31) is slidably inserted in the longitudinal direction into the upper rod 31 (lower rod 32), and the upper rod (lower rod 32) The upper rod 3 is attached by a wing bolt 38 screwed into a nut 37 fixed to
1 and a lower rod 32 are removably tightened and fixed, thereby making the support leg 19 adjustable in extension and contraction in the longitudinal direction.

12 to 14 show another embodiment, in which a band 41 made of a metal plate or the like is tightened and fixed to the Hawk stem 2 with a bolt nut 42, and a support leg 1 is attached to the band 41.
One end of the hawk 9 is rotatably supported around the horizontal axis 20, so that the stand member 17 can be detachably attached to the hawk 1 by means of a band 41.

Further, the stand member 17 has only one support leg 19, and the base 18 is supported by this second support leg 19.

In the above embodiment, the engaging member 25 is provided on the base 18, but instead of this, the retaining member 25 may be provided on the support leg 19, or the retaining member 25 is provided on the support leg 19.
and the base 18, and connect these to the seat post 5.
and the Hawk stem 2, respectively, in a detachable manner. Further, in the embodiment described above, the stand member 17 is rotated forward about the horizontal axis 20, but instead of this, the support leg 19 of the stand member 17 is rotated about the horizontal axis 20 with respect to the hawk 1. It may be pivoted so as to rotate rearward.

<Effects of the Invention> According to the present invention, by rotating the stand member 17 downward about the horizontal axis 20w1, the stand member 17 can be placed in a stand position, and the wheeled vehicle can be easily installed in an upright position. -Very convenient for storing and storing wheeled vehicles. Moreover, by rotating the stand member 17 upward around the horizontal axis 20, the stand member 17 can be easily held in the storage position. At this time, the base 18 of the stand member 17 is positioned above the wheels 8, and The stand member 17 can be placed along the hawk 1 or the seat post 5, so the stand member 17 does not get in the way when riding the unicycle, and its practical effects are significant.

In addition, when the stand member 17 is in the storage position, the base 18 is configured to closely follow the lower surface of the saddle 4, so that the base 18 can be compactly stored on the lower surface of the saddle 4, and the base 18 can be used for driving a unicycle. It is possible to more reliably prevent the base 18 from interfering with the saddle 4, and the base 18 can be placed under the saddle 4, so that the appearance can be made very good.

Moreover, since the guard part 23 is provided on the base 18, the guard part 23 can protect both rear ends of the saddle 4 from hitting the ground etc. when the unicycle falls.

In addition, since the support legs 19 of the stand member 17 are freely adjustable, even if the saddle 4 is adjusted up and down, the support legs 19
By adjusting the expansion and contraction of the base 18, the base 18 can be compactly stored on the underside of the saddle 4, which is very convenient.

[Brief explanation of the drawing]

1 to 5 show one embodiment of the present invention, in which FIG. 1 is an overall perspective view, FIG. 2 is a front view, FIG. 3 is a side view of the stand member in the storage position, and FIG. The figure is a sectional view of the same, and FIG. 5 is a side view of the stand member in a stand position. Fig. 6 is a plan sectional view showing another embodiment, Fig. 7 is a front view showing another embodiment, Fig. 8 is a side view showing another embodiment, and Fig. 9 is a plan view showing another embodiment. Side view of the support leg part,
FIG. 10 is a front sectional view of the same, FIG. 1) is a plan sectional view of the support leg portion showing another embodiment, FIG. FIG. 14 is a sectional view of the same plane. 1...Hawk, 3...Hawk legs, 4...Saddle,
5... Seat post, 8... Wheel, 9... Crankshaft, 17... Stand member, 18... Base, 1
9... Support leg, 20... Horizontal shaft, 23... Guard portion, 25... Engagement member. 1) 72rJi 1) 73 Diagram stem 74 Diagram procedure amendment, indication of case 1゜2゜3゜4゜ 663 Patent layer Title of invention No. 254406 - Wheel Relationship with case of person who corrects car Patent application Person name Osaka Grip Kako Co., Ltd.

Claims (4)

[Claims] (1) A saddle (4) is provided at the top of the hawk (1) via a seat post (5), and a wheel (8) is installed in the left-right direction between a pair of left and right hawk legs (3) at the bottom of the hawk (1). The unicycle is rotatably supported via the crankshaft (9) of the unicycle, which is provided with a stand member (17) having a base (18) and support legs (19) erected from the base (18),
The stand member (17) is configured such that the stand member (17) changes its posture between a stand position in which the base (18) is located below the wheels (8) and a storage position in which the base (18) is located above the wheels (8). The support leg (19) of the hawk (17)
) is rotatably supported around a horizontal axis, and the stand member (1
an engaging member (25) that removably engages with the hawk (1) and/or the seat post (5) to hold the seat in the storage position.
) is provided on the stand member (17). (2) The unicycle according to item 1, wherein when the stand member (17) is in the stored position, the base (18) is located in close proximity to the lower surface of the saddle (4). (3) The base (18) is provided with a guard portion (23) that protrudes in the front-back direction beyond the saddle (4) when the stand member (17) is in the stored position. unicycle. (4) Item 1, characterized in that the support legs (19) of the stand member (17) are configured to be expandable and contractible;
The unicycle described in paragraph 2 or 3.