JPH01175583A - Infant auxiliary seat - Google Patents

Abstract

PURPOSE:To make stable traveling by providing a cage-state infant aux. seat, having double-level bottom parts and a periphery side wall and where a infant can be seated facing front, between right and left rising rods of a U-shaped handle of a bicycle, and by nearing the center of gravity position of the seat to the rotation center of the handle. CONSTITUTION:A U-shaped handle 3 is formed with a lateral overhang rod 5b and a right and left pair of rising rods 5c connected to the upper end of a front wheel fork reversibly supported to the handle shaft 4 on the tip part of a frame 2 via a front overhang piece 5a. A cage-state infant aux. seat 7 having double-bottom parts 10 and 11 and a peripheral side wall 9 are installed between the right and left pair of the rods 5c via fixing parts with a joining piece 21, etc., so that a infant can be seated facing front. The center of gravity position of a seated infant can near the rotation center of the handle, and stable traveling can be possible with the handle operation of a driver made to easy. Moreover the safety ride of an infant with a comfortable position can be possible.

Description

[Detailed description of the invention] The present invention aims to solve the following problems.

(Field of Industrial Application) This invention relates to a child auxiliary seat used for carrying a child along on a bicycle, and more specifically, the invention relates to a child support seat used for carrying a child along on a bicycle. This relates to a child support seat that is arranged and used.

(Prior art) This type of child support seat for bicycles has a missing part on the left and right side walls for the child to put out both legs.The existence of the missing part weakens the side wall, making it difficult for the child to sit on the bicycle. There is a problem that safety is compromised when carrying a bicycle, and when the above-mentioned missing part is covered with a lid and used as a luggage heel, the vibration of the bicycle can cause the lid to open and the luggage to spill out from the opened missing part. There were also problems. In addition, with conventional child booster seats, the distance between the child's center of gravity and the center of rotation of the steering wheel increases when the child is seated, and the rotational moment that acts on the child when the steering wheel turns increases, making it difficult to operate the steering wheel. There was a problem that it caused children to feel anxious.

(Problems to be Solved by the Invention) This invention eliminates the above-mentioned conventional problems, allows children to ride together safely in a comfortable position, and can safely accommodate luggage. The present invention aims to provide a child support seat for bicycles whose volume can be increased.

The configuration of the present invention is as follows.

(Means for Solving the Problems) The present invention takes the measures as described in the claims above, and its effects are as follows.

(Function) When attaching it to the handlebar of a bicycle and carrying a child on it, place the child in the space surrounded by the circumferential walls on all sides, place the child's feet on the front bottom of the bottom member, and place the child's private parts on the rear bottom so that the child can sit comfortably. can be set. With a child on board in this way, the child's center of gravity can be located close to the center of rotation of the steering wheel, and also relatively low. When only baggage is carried without carrying a child, a large storage space with a bottom and surrounded on all four sides can be formed in the child support seat.

(Embodiments) The drawings showing the embodiments of the present application will be explained below. In FIGS. 1 and 2, ■ is a well-known bicycle, 2 is its frame, and 3 is also a handle, which is connected to a handle shaft 4 rotatably supported by a support tube 2a of the frame 2. It consists of a fixed O-shaped handle rod 5 and a handle 6 provided on the handle rod 5. The handle rod 5 is fixed to a front overhang piece 5a provided on the upper part of the handle shaft 4, and is composed of a horizontal overhang rod 5b and a pair of upright rods 5c. The attached child support seat is composed of a child support seat main part A and a native part 16 for fixing the child support seat main part A to the handlebar 3 of the bicycle 1.

As shown in FIGS. 3 to 6, the main body part A of the child booster seat is located below the space 8 and the circumferential side wall 9 that surrounds the space 8 for seating the child. A bottom member 12 is provided. Above bottom member 1
2 is a rear bottom part 10 of the rear half on which a child's private parts are placed;
It is composed of a front bottom part 11 of the front half part, which is positioned with a step lower than the rear bottom part 10, on which the child's feet are placed.

The circumferential wall 9 includes a front wall 17, a rear wall 1B, a left wall 19,
It is composed of a right side wall 20 and a stepped wall 13. In the front wall 17, 22a is a frame made of a metal round bar as shown in FIG. 6, 23a is a rope tensioned on the frame 22a, and 24a is a hollow circle fixed to the frame 22a. It is a gripping frame made of sticks. The rear wall 18 is constructed in substantially the same manner as the front wall I7, 22b is a frame body, and 23b is a rope body. Next, in the left side wall 19, 22cl, 2
2c2 is a frame made of a metal round bar, and each of the frames 2c
A and 22b are made of one material. 23cl.

Reference numeral 23C2 denotes a net stretched over the frames 22c1 and 22c2, and is made of one material with the nets 23a and 23b, respectively. Reference numeral 21 denotes connecting pieces that integrally connect the frames 22c1□22c2, and are provided in pairs above and below. 24C
A grip frame is fixed to the frame body 22c1, and is made of one material with the grip frame 24a. The right side wall 20 is formed in plane symmetry with the left side wall 19, and the same components as those of the left side wall 19 are given the same reference numerals and repeated explanations will be omitted. Above grip frame 2
4a and 24c constitute a grip portion 25 for children.

Next, in the step wall 13, 35 is a frame made of round metal rods, and is made of one piece with frames 28 and 31, which will be described later. Further, numeral 36 denotes a net that is stretched over the frame 35, and is made of one material with nets 29 and 32, which will be described later.

Next, in the rear bottom part 10 of the bottom member 12, 28 is a frame made of round metal rods as shown in FIG.
The frame body 22b of the rear side wall 18 and the frame body 22 of the left side wall 19
c2 and the frame body 22c2 of the right side wall 20, respectively. Further, 29 is a net stretched over the frame 28. Note that a flexible cushion may be provided on the mesh body 29 so that the child can easily sit on it.

Next, in the front bottom part 11 of the bottom member 12, numeral 31 is a frame made of round metal rods, as shown in FIG.
It is formed of one material with the frame body 28 described above. The frame body 31 includes a frame body 22cl of the left side wall 19 and a frame body 22c1 of the right side wall 20.
are fixed to each. Reference numeral 32 denotes a net that extends over the frame 31 and is made of one material with the net 29 described above.

Further, 33 is a closing frame whose both ends are fixed to the frames 22cl and 22cl of the left and right side walls 19 and 20, and the frame 3
1 and the frame 22a of the front side wall 17.

Next, 37 is a reinforcing frame, and as shown in FIG. 4, one end is fixed to the frame 28 of the rear bottom part 10 and the other end is fixed to the frame 35 of the stepped part 13, respectively.

Next, the fastening part 16 attaches the front bottom part 11 by inserting a substantially intermediate position of the peripheral side wall 9 in the longitudinal direction between the pair of upright levers 5c, 5c of the O-shaped handlebar 5 of the bicycle. This is for fixing the main body part A of the child support seat to the handlebar 3 of the bicycle with the rear bottom part 10 disposed below the horizontally extending rod 5b of the handlebar 3 and behind the horizontally extending rod 5b. A pair of fastening holes 21 provided in each of the connecting pieces 21
a, and a fixing hole 38a of a fixing plate 38 fixed to the reinforcing frame 37.

The fastening hole 21a is formed when the front portion of the rear bottom portion 10 is located above the horizontally extending rod 5b of the handle 3, and the circumferential side wall 9 is arranged between the pair of vertically extending rods 5c. 5c, so that the mounting bolts can be inserted through the mounting holes of the mounting bracket 50 (see FIG. 1) attached to the upright rod 5c. Further, the fastening hole 38a is arranged such that the front part of the rear bottom portion 1O is located above the horizontally extending rod 5b of the handle 3, and a substantially intermediate position in the front-rear direction of the circumferential wall 9 is located between the pair of upright rods 5c. The position is set so that it can be superposed on the front overhang piece 5a in this state. Note that the fastening portion 16 may be formed in either of the fastening holes 21a and 38a.

In the case of the above structure, when using the child booster seat 7, first place the child booster seat main body part A between the pair of upright bars 5c of the handle 3, as shown in FIGS. 1 and 2. The fixing plate 3 is attached to the handle 3 by inserting a mounting bolt into a mounting hole (not shown) provided at a position where the fixing hole 38a of the fixing plate 38 overlaps with the fixing hole 38a in the front overhang piece 5a. Attach the mounting bracket 5° to the connecting piece 21 so as to sandwich the upright rod 5c of the handle 3, and attach it to the mounting hole of the mounting bracket 50 and the fixing hole 21a of the connecting piece 21. The connecting piece 21 is fixed to the handle 3 by inserting a bolt.

Next, when riding the bicycle 1 with a child on the child support seat 7, the child's feet are placed on the vestibule 11 of the bottom member 12, and the child's private parts are placed on the rear bottom 10, and the child is seated. Have the user grasp the grip part 25 with his or her hand. In this state, the child is extremely safe because the child is surrounded on all four sides by the circumferential wall 9, and the child's feet are located on the vestibule 11, which is surrounded by the circumferential wall 9, so the child's shoes are It is extremely safe because it prevents children from falling and children's feet from touching the front wheels.

Further, since the front bottom part 11 is lower than the rear bottom part 10, the child can sit in a comfortable posture without having to bend his/her knees significantly. The bicycle 1 is operated in the above condition, and in that case, the child support seat 7 is installed so that the front part of the rear bottom 10 is located above the horizontally extending rod 5b of the handlebar 3, as shown in FIG. so the driver (e.g. mother)
Both arms of the driver can be placed close to the child, giving the child a sense of security, and the tip of the driver's mouth can be placed near the child's ears. In addition, as mentioned above, since the front part of the rear bottom part 10 is positioned on the axis of the handle shaft 4, the center of gravity of the child's weight can be brought extremely close to the center of rotation of the handle 3, and when the handle is rotated, The rotational moment acting on the child can be reduced, making it easier to operate the handle, and at the same time, the movement of the child when rotating the handle can be reduced, reducing the sense of anxiety given to the child. Furthermore, when a child is on board as mentioned above,
Since the front bottom part 11 is lower than the horizontally extending rod 5b, the child's center of gravity can be made relatively low, and the handle 3 can be easily operated.

On the other hand, if you want to carry baggage such as bags or shopping without carrying a child, as shown in Fig. It can be mounted easily and stably. Also, since the front bottom 11 is lower than the rear bottom 12,
The depth of the space above the front bottom part 11 can be increased and the vertically elongated object H
But it can be easily stored.

7 to 11 show different embodiments of the present application,
The main difference is in the configuration of the bottom member 12e. rear bottom 1
In 0e, 60 is a reinforcing frame fixed to the frame 22ae of the front side wall 17e and the frame 22be of the rear side wall 18e,
It is composed of two round metal bars.

Further, in the front bottom part US, 31e + 31e are a pair of left and right footrest frames made of round metal bars, each of which is supported by a support frame 61 fixed to the reinforcing frame 60, and is attached to the rear bottom part US. It is located lower than 10e.

The support frame 61 is formed of a round bar that is one piece with the round bar of the footrest frame 31e.

Next, reference numeral 65 denotes a support rod that is fixed to the footrest frame 31e and the support frame 61 so as to lift both sides of the footrest frame 31e. Reference numeral 67 denotes a lid which is pivotally attached to the frame 22ae of the front wall 17e via a pivot 68, and is located at approximately the same height as the rear bottom 10e. Body 22ae + 22c1g, 22c2e and rear bottom 1o
The through hole 69 surrounded by the frame 28e of e is formed so as to be openable and closable. In the lid body 67, 70 is a frame body made of metal round bars, a part of which is attached to the front wall 17.
It is supported by a pivot 6 which is fixed to the frame 22ae of the frame 22ae. 72 is a net stretched over the frame 70. Reference numeral 73 denotes a hook piece that is rotatably attached to the front wall 176, and hooks the tip of the lid body 67 in an upright state as shown in FIG. It is designed so that it can be held in a state along the

With the above configuration, when a child is to be placed on the bicycle by attaching it to the handlebar 3e of the bicycle 1e as shown in FIG.
As shown in FIGS. 8 and 9, the lid 67 is held in an upright position, and the child's feet are placed on the foot frame 31 of the front bottom 11a.
Place the child's private parts on the rear toe. Also,
If you want to put the baggage in without carrying a child, as shown in FIG. Bottom I
A storage space surrounded on all sides by the circumferential walls 9e can be formed above Qe, and not only large items but also small items can be stored in a stable state.

It should be noted that parts that are considered to have the same or equivalent structure as those in the previous figure in terms of function are given the same reference numerals as in the previous figure with the letter e, and redundant explanations are omitted.

(Effects of the Invention) As described above, in the present invention, when the child booster seat main body part A is attached to the handlebar 3 of the bicycle 1 and a child is placed on the bicycle, the child is placed in the space 8 surrounded by the four circumferential side walls 9. The child can be seated with his or her feet placed on the low front bottom 11 of the bottom member 12 and the child's private parts placed on the high rear bottom 10 of the bottom member 12, allowing the child to sit safely in a comfortable posture.

Furthermore, when riding the bicycle 1 with a child on it with the child booster seat main body part A attached to the handlebar 3 as described above,
Both arms of the driver who operates the steering wheel 3 can be positioned close to both sides of the child, thereby giving the child a sense of security, and the tip of the driver's mouth can be brought close to the child's ears. This provides the convenience of being able to speak to children in a low voice even in noisy places.

In addition, when riding the bicycle 1 with a child on the child booster seat main body part A as described above, the child's center of gravity can be brought closer to the center of rotation of the handlebar 3, and as a result, the rotational moment acting on the child when the handlebar turns is This has the effect of making it smaller, making it easier for the driver to operate the steering wheel, and reducing the sense of anxiety given to children.

Furthermore, even if the child's center of gravity can be brought closer to the center of rotation of the handle 3 as described above, the front bottom 11
can be positioned in front of and below the horizontally extending rod 5b of the handle, which has the advantage of lowering the child's center of gravity. This means that bicycle 1
The tilting moment caused by the weight of the child when the handle 3 is tilted can be reduced, and the swinging of the handle 3 can be reduced, resulting in an effect that the handle can be easily operated.

In addition, if you want to carry only luggage without carrying a child, a large storage space with a bottom and surrounded on all four sides can be formed in the main body part A of the child booster seat, making it possible to easily carry large luggage such as shopping. It has the effect of

[Brief explanation of the drawing]

The drawings show an embodiment of the present application; FIG. 1 is a side view showing how it is attached to a bicycle, FIG. 2 is a front view showing how it is attached to a bicycle, and FIG. 3 is a perspective view showing the child support seat. , FIG. 4 is a right side view of FIG. 3, FIG. 5 is a plan view of FIG. 4, FIG. 6 is a front view of FIG. 4, FIGS. 7 to 11 show different examples, and FIG. The figure is a front view showing how it is attached to a bicycle, Figure 8 is a perspective view showing the child support seat, Figure 9 is a plan view of Figure 8, Figure 10 is a side view of Figure 8, and Figure 11 is a side view of Figure 8. The perspective view which shows the state when using it as a cargo basket. 1...Bicycle, 3...Handlebar, 4...Handle shaft, 5b...Horizontal extension lever, 5G...Rising lever, 7...
Child auxiliary seat, A... Child auxiliary seat main part, 8... Space, 9... Circumferential side wall, 10... Rear bottom part, 11... Front bottom part, 12... Bottom member. Figure 10 Figure 11 8ae

Claims (1)

[Claims] The main body of the child booster seat is composed of a circumferential side wall that surrounds all four circumferences of a space for placing a child, and a bottom member that is located below the space and is intended for placing the child. The bottom member consists of the rear bottom of the rear half on which the child's buttocks are placed, and the front bottom of the front half, which is positioned with a step lower than the rear bottom and on which the child's feet are placed. Moreover, in the main part of the child support seat, the front bottom part is placed between a pair of upright handlebars in the U-shaped handlebar of the bicycle, and the front bottom part is located at approximately the middle position in the front-rear direction of the circumferential side wall. At the lower front of the horizontally extending rod, a fastening portion is provided for securing the main body portion of the child support seat to the handlebar of the bicycle, with the rear bottom portion being located rearward of the horizontally extending rod. A child booster seat characterized by: