JP2010274777A - Saddle for bicycle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a saddle for a bicycle attachable to a bicycle frame that assists a parent and an infant in safely riding a bicycle. <P>SOLUTION: The saddle 10 for bicycle includes: a riding part 13 provided with a base member 11 and a cushion material 12 installed on the surface of the base member 11; and an attachment part 15 provided under the riding part 13 to fix the riding part 13 onto the bicycle frame 14. The riding part 13 includes: a driving seat 16 installed above the attachment part 15; and an auxiliary seat 17 connectively installed at the rear of the driving seat 16. A wall member 18 is successively installed at both rear right and rear left sides and at the rear of the auxiliary seat 17. Preferably, a constricted part 19 is formed at each of both right and left sides of a joint part of the auxiliary seat 17 connected to the driving seat 16. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

The present invention relates to a bicycle saddle in which a parent and an infant (where the infant is carried by the parent) can safely ride the bicycle.

Under the current law, two-seater bicycles are prohibited. For example, when a parent intends to move two infants on a bicycle, the use of a tricycle (for example, see Patent Document 1), a rear car bicycle ( For example, refer to Patent Document 2).

JP 2005-132324 A JP 2006-21669 A

However, the tricycle described in Patent Document 1 and the rear-car bicycle described in Patent Document 2 have a problem that the price is higher than that of a general bicycle. Furthermore, since the weight of the vehicle body becomes heavier than that of a bicycle, there is a problem that a power device for assisting human power is required when traveling with an infant. Moreover, although it becomes unnecessary when a child grows up, there is a problem in terms of effective use of resources because it cannot be converted to a general bicycle. In particular, rear-car bicycles are longer and shorter than normal bicycles, and require a wide road to travel, making them unsuitable and inconvenient for driving around the city. Then there is a problem that it is difficult to spread. On the other hand, the tricycle has a sense of stability that it is difficult to fall down, but because it takes a width, there arises a problem that the wheel is removed from the side groove and falls due to the wheel removal.

On the other hand, as an exception to the prohibition of two-seater bicycles under the current law, 1) In the case where an infant seat is mounted on a bicycle and one infant rides, and a person over 16 years old drives a bicycle. 2) A person over 16 years old If you are driving a bicycle with one infant on the back with a string, etc. 3) Attach an infant seat to the bicycle and let one infant ride on it, and those over 16 years old will ensure one infant with a string, etc. There is a provision for driving a bicycle on the back. However, when driving a bicycle with one infant on the back, there is a problem that the driver has to support all the weight of the infant and that it places a heavy burden on the driver.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a bicycle saddle that can be attached to a bicycle frame and assists parents and infants to ride safely on the bicycle.

A bicycle saddle according to the present invention that meets the above-described object is provided with a base member and a riding part provided with a cushion material provided on the surface of the base member, and a lower part of the riding part, and the riding part is provided with a bicycle frame. In a bicycle saddle having a mounting portion fixed to
The riding section includes a driver seat provided above the mounting portion, and an auxiliary seat connected to the rear side of the driver seat, and the left and right sides and the rear portion on the rear side of the auxiliary seat. The wall member is continuously provided.

In the bicycle saddle according to the present invention, it is preferable that constricted portions are respectively formed on both left and right sides of the connecting portion of the auxiliary seat connected to the driver seat.
In addition, it is preferable that footrests supported by support members attached to the left and right sides of the base member are respectively provided in the lower front part on both sides of the auxiliary seat.

In the bicycle saddle according to the present invention, the attachment portion is a fixing portion that is attached to the frame, and a position that is provided between the fixing portion and the base portion and adjusts the front-rear position of the base member with respect to the fixing portion. And adjusting means.
Furthermore, it is preferable that the fixing portion includes an angle adjusting unit that rotates the position adjusting unit and fixes the position adjusting unit at a predetermined angular position.

In the bicycle saddle according to the present invention, first and second belts are attached to the left and right front end portions of the wall member, respectively, and the front portion of the first belt and the front portion of the second belt are connected to each other. Preferably it is possible.
Here, a part of the auxiliary seat can be placed on a loading platform provided on an upper rear side of the frame.

In the bicycle saddle according to the present invention, the riding part has a driver seat provided above (front side) the attachment part and an auxiliary seat provided connected to the rear side of the driver seat. Thus, when the driver drives a bicycle with one infant on his / her back, the infant carrying the back is placed above the auxiliary seat, and the weight of the infant can be supported by the auxiliary seat. For this reason, it is not necessary for the driver to support the weight of the infant while driving, and the driver can concentrate on driving. In addition, since the wall members are continuously provided on the left and right sides and the rear part of the rear side of the auxiliary seat, the infant carrying the back is surrounded by the driver's back and the wall member. The bicycle can be driven in a state of being united with the infant, and the stability when the bicycle is run is improved.

In the saddle for a bicycle according to the present invention, when the constricted portions are respectively formed on the left and right sides of the connecting portion of the auxiliary seat connected to the driver seat, the infant's feet carried by the driver can be taken out downward, The infant's posture can be maintained easily.
In addition, when footrests supported by support members attached to the left and right sides of the base member are provided at the lower front part on both sides of the auxiliary seat, respectively, the foot that the infant carried on the driver's back has come out downward. Supported, the infant can sit with his knees on the auxiliary seat. Therefore, the posture of the infant can be maintained more easily, and the infant can be placed on the auxiliary seat so that the driver's buttocks are sandwiched between the infant's knees, thereby improving the unity between the driver and the infant. Can do.

In the bicycle saddle according to the present invention, the attachment portion includes a fixing portion attached to the frame, and a position adjusting means that is provided between the fixing portion and the base portion and adjusts the front-rear position of the base member with respect to the fixing portion. By shifting the riding portion backward, a space can be secured between the steering wheel and the riding portion when the infant seat is attached to the steering wheel of the bicycle, and the operability of the bicycle can be improved. Further, by shifting the riding part forward, the auxiliary seat can be separated from the bicycle carrier, and the infant seat can be easily attached to the bicycle carrier.

In the bicycle saddle according to the present invention, when the fixing portion has an angle adjusting means for rotating the position adjusting means in the vertical direction and fixing it at an arbitrary angle position, the angle of the riding portion with respect to the frame is adjusted. Can improve the operability of the bicycle.

In the bicycle saddle according to the present invention, first and second belts are attached to the left and right front ends of the wall member, respectively, and the first belt tip and the second belt tip are connectable. In this case, it is possible to further improve the unity between the driver and the infant by fastening the belts in front of the driver who rides on the driver's seat with the infant on the back.

In the bicycle saddle according to the present invention, when a part of the auxiliary seat is placed on the loading platform provided on the upper rear side of the frame, the auxiliary seat can be supported by the loading platform, and the riding portion is mounted on the frame. Can be installed stably.

It is explanatory drawing of the saddle for bicycles concerning one embodiment of this invention. It is a side view of the attachment part of the saddle for bicycles. It is a cross-sectional perspective view of the position adjustment means of the bicycle saddle. (A) is a top view of the fixing | fixed part of the saddle for bicycles, (B) is a PP arrow line view of (A). It is explanatory drawing of the position adjustment means which concerns on a modification. It is explanatory drawing of the position adjustment means which concerns on another modification. It is a top view of the connection material of the position adjustment means. It is explanatory drawing of the attachment metal fitting of the same position adjustment means.

Next, embodiments of the present invention will be described with reference to the accompanying drawings for understanding of the present invention.
As shown in FIGS. 1 to 3, a bicycle saddle 10 according to an embodiment of the present invention includes a base member 11 and a cushion material 12 provided on the surface of the base member 11 (for example, foamed plastic such as urethane foam). ) And a mounting portion 15 that is provided at the lower part of the riding portion 13 and fixes the riding portion 13 to the bicycle frame 14. The riding portion 13 includes a driver seat 16 provided above the attachment portion 15 and an auxiliary seat 17 provided in connection with the rear side of the driver seat 16. A wall member 18 is provided continuously at the part and the rear part. This will be described in detail below.

A constricted portion 19 is formed on each of the left and right sides of the connecting portion of the auxiliary seat 17 connected to the driver seat 16. The front-rear direction size and the left-right direction size of the driver's seat 16 are the same as the front-rear direction and left-right direction sizes of a normal bicycle saddle, respectively. The size of the auxiliary seat 17 in the front-rear direction is, for example, a size in the range of 0.8 to 1 times the size of the normal bicycle saddle, for example, 200 to 250 mm. The size of the bicycle saddle is, for example, a size in the range of 1.5 to 2 times, for example, 350 to 450 mm.

At the front lower part (for example, the lower part of the constricted part 19) on both sides of the auxiliary seat 17, footrests 21 supported by support members 20 attached to the left and right sides of the base member 11 are respectively at least the first half of each footrest 21. A guard member 22 is attached to the minute (in the present embodiment, the entire periphery of the footrest 21). Here, the guard member 22 is formed of, for example, a thin soft plastic plate or foamed plastic plate, or a thick cloth. The support member 20 is provided with an expansion / contraction mechanism (not shown) so that the vertical position of the footrest 21 can be adjusted. Further, the base portions of the first and second belts 23 and 24 are respectively attached to the left and right front end portions of the wall member 18 using, for example, pins 25 having head portions provided at both end portions. A pair of hooks (not shown) are provided at the tip of the first belt 23 and the tip of the second belt 24 so that they can be connected. Here, the wall member 18 is formed of, for example, soft plastic or foamed plastic, and the height of the wall member 18 is, for example, 200 to 300 mm.

The attachment portion 15 is, for example, a fixing portion 27 attached to the seat post 26 of the frame 14, and a position adjusting unit that is provided between the fixing portion 27 and the base member 11 and adjusts the front-rear position of the base member 11 with respect to the fixing portion 27. 28. Here, the position adjusting means 28 includes a pair of moving parts 29 and 29a that are attached to the central part of the lower surface of the base member 11 in the front-rear direction, and a pair of moving parts 29 and 29a that are attached to the fixed part 27 and whose upper both sides are moving parts. And a holding portion 30 held by 29 and 29a. In addition, a plurality (two in the present embodiment) of screws 31 are screwed into the moving portions 29 and 29a. Accordingly, by loosening the screw 31, the moving parts 29 and 29a attached to the base member 11 can be moved in the front-rear direction with respect to the holding part 30, and the position of the base member 11 in the front-rear direction with respect to the fixed part 27 can be changed. Can be adjusted. Then, by tightening the screw 31, it is possible to fix the moving parts 29, 29 a to the holding part 30 by pressing the upper both sides of the holding part 30 with the tip of the screw 31, and the front and rear of the base member 11 with respect to the fixing part 27. The position can be fixed.

As shown in FIG. 4A, the fixing portion 27 is a short tube that is externally mounted on the upper end portion of the seat post 26, and is located outside with a notch 32 formed with a certain width in a part of the circumferential direction. A clamp member 35 having a pair of projecting portions 33 and 34 projecting in parallel toward the mounting member, mounting brackets 36 and 37 that respectively contact the projecting portions 33 and 34 from the outside, and the upper portions of the mounting brackets 36 and 37. The intermediate portion is fixed to the mounting brackets 36 and 37, the front end portion is fixed to the front side of the holding portion 30, and the rear end portion is fixed to the rear side of the holding portion 30 via the spring 38. And connecting members 39 and 40. Further, the fixing portion 27 is inserted from one of the mounting brackets 36 and 37 in contact with the outsides of the protruding portions 33 and 34, for example, through a through hole formed on the lower side of the mounting bracket 37, and protrudes. It has a male screw member 41 that passes through the portions 33 and 34 and is screwed into a female screw portion formed on the lower side of the mounting bracket 36 on the front side, and a lever 42 attached to the head of the male screw member 41. Furthermore, as shown in FIG. 4B, the fixing portion 27 is formed around the through-hole through which the male screw member 41 penetrates in the outer portion of the protruding portion 34 and the inner portion of the mounting bracket 37, and can be engaged with each other. Radial protrusions 45, 44, and radial protrusions 45 that are formed around the through hole through which the male screw member 41 penetrates at the outer side of the protrusion 33 and around the opening of the female screw part at the inner side of the mounting bracket 36, and can mesh with each other. , 46 and angle adjusting means 47.

As a result, the clamp member 35 is externally mounted on the upper end portion of the seat post 26 from above, and the mounting bracket 36 for the protrusions 33 and 34 so that the radial protrusion 43 and the radial protrusion 44 and the radial protrusion 45 and the radial protrusion 46 can mesh with each other. , 37 by adjusting the angular position and screwing the male screw member 41 into the female screw portion of the mounting bracket 36 by operating the lever 42 to bring the radial protrusion 43 and the radial protrusion 44 and the radial protrusion 45 and the radial protrusion 46 closer to each other. At the same time, the protrusions 33, 34 are pressed through the mounting brackets 36, 37 to bring the distance between the protrusions 33, 34 closer to reduce the width of the cutout 32, and the seat post 26 is clamped by the clamp member 35. The clamp member 35 can be fixed to the seat post 26. As a result, the riding portion 13 is attached to the frame 14 via the attachment portion 15.

Here, when the male screw member 41 is loosened from the female screw portion of the mounting bracket 36 by operating the lever 42 in a state where the clamp member 35 is fixed to the seat post 26, the radial protrusion 43 and the radial protrusion 44 are engaged with each other. 45 and the radial projection 46 can be released from each other (at this time, the fixing of the clamp member 35 to the seat post 26 is also released). By rotating the angle, the radial projection 43 and the radial projection 44 and the radial projection 45 and the radial projection 46 can be engaged with each other. Then, by operating the lever 42 and screwing the male screw member 41 into the female screw portion of the mounting bracket 36, the radial protrusion 43 and the radial protrusion 44 and the radial protrusion 45 and the radial protrusion 46 can be brought close to each other and engaged with each other. The mounting brackets 36 and 37 can be rotated with respect to the portions 33 and 34 and fixed at a predetermined angular position (at this time, the clamp member 35 is fixed to the seat post 26 at the same time). As a result, the holding portion 30 (position adjusting means 28) is rotated with respect to the protruding portions 33 and 34 (fixed portion 27) via the pair of connecting members 39 and 40 attached to the mounting brackets 36 and 37. It can be fixed at a predetermined angular position.

FIG. 5 shows a position adjusting means 48 according to a modification.
The position adjusting means 48 is attached to the clamp member 35 via connecting members 39 and 40 that are respectively held by the moving portion 49 attached to the center portion of the lower surface of the base member 11 along the front-rear direction and the mounting brackets 36 and 37. And a holding unit 50 on which the moving unit 49 is placed. Here, a plurality of female screw portions 51 are formed in the moving portion 49 along the front-rear direction, and a male screw (not shown) that engages with the female screw portion 51 at the same pitch as the female screw portion 51 passes through the holding portion 50. A plurality of screw holes 52 are formed. With such a configuration, the moving part 49 placed on the holding part 50 is moved in the front-rear direction so that the position of the screw hole 52 is aligned with the position of the female screw part 51, and the male screw passed through the screw hole 52 is set to the female screw. By screwing into the part 51, the moving part 49 can be fixed to the holding part 50, and the front-rear position of the base member 11 relative to the fixing part 27 can be fixed.

6 to 8 show a position adjusting means 55 according to another modification.
As shown in FIG. 6, the position adjusting means 55 has a front end portion on the front side of the base member 11 and a rear end portion on the base member 11 via a spring 38 along the left and right sides of the lower surface of the base member 11. A pair of rod-shaped connecting members 56 and 57 that are fixed to the rear side, and a clamp member 35 that is externally mounted on the upper end portion of the seat post 26 from above and is attached to the clamp member 35. There are mounting brackets 58 and 59 that respectively hold predetermined positions in the direction. Note that the mounting brackets 58 and 59 are inserted from, for example, the mounting bracket 59 side and pass through the protruding portions 33 and 34 (see FIG. 4) of the clamp member 35, so that the front side is a female screw portion formed on the mounting bracket 58. It is attached to the clamp member 35 via a male screw member 41 that is screwed together. A lever 42 for operating the male screw member 41 is attached to the head of the male screw member 41.

As shown in FIG. 7, the connecting members 56 and 57 are parallel to each other in the intermediate region excluding the front region where the tip end portion is attached to the base member 11 and the rear region where the rear end portion is attached to the base member 11. It has become. In addition, as shown in FIG. 8, the mounting brackets 58 and 59 have a constant opening in the lower surface of the mounting brackets 58 and 59 in a part of the through hole 60 through which the connecting members 56 and 57 penetrate in the front-rear direction. A notch 61 having a width is formed. For this reason, when the male screw member 41 is loosened from the female screw portion of the mounting bracket 58 by operating the lever 42, the openings of the notches 61 formed in the mounting brackets 58 and 59 are enlarged and connected through the through hole 60, respectively. A gap is formed between the members 56, 57 and the inner peripheral surface of the through hole 60, and the intermediate region of the connecting members 56, 57 is moved by a predetermined distance in the front-rear direction in a penetrating state with respect to the mounting brackets 58, 59. Can be made. Further, when the male screw member 41 is screwed into the female screw portion of the mounting bracket 58 by operating the lever 42, the opening of the notch 61 formed in the mounting brackets 58 and 59 is narrowed and the connecting member 56 penetrating the through hole 60 is obtained. , 57 are pressed by the inner peripheral surface of the through-hole 60, the connecting members 56, 57 are gripped by the mounting brackets 58, 59, and the connecting members 56, 57 moved by a predetermined distance in the front-rear direction are attached to the mounting bracket 58, 59 can be fixed. Therefore, the front-rear position with respect to the fixing part (clamp member 35) of the base member 11 can be fixed.

Next, the operation of the bicycle saddle 10 according to the embodiment of the present invention will be described.
Since the bicycle saddle 10 is fixed to the seat post 26 of the bicycle frame 14 via the attachment portion 15, the normal saddle of a commercially available bicycle can be easily replaced with the bicycle saddle 10. Since the riding section 13 of the bicycle saddle 10 has a driver seat 16 provided above (front side) the attachment section 15 and an auxiliary seat 17 provided connected to the rear side of the driver seat 16, for example, When a driver (for example, a parent) drives a bicycle with one infant on his / her back, the infant carried on the back is placed above the auxiliary seat 17, and the infant is seated on the auxiliary seat 17. Can be supported by the auxiliary seat 17. For this reason, it is not necessary for the driver to support the weight of the infant while driving, and the driver can concentrate on driving. When the driver no longer has to carry the infant on the bicycle, the bicycle saddle 10 can be returned to the normal saddle.

Here, since the wall member 18 is continuously provided on the left and right side portions and the rear portion of the rear side of the auxiliary seat 17, the infant carrying the back is surrounded by the driver's back and the wall member 18. The driver can drive the bicycle with the infant. Further, the front portions of the first and second belts 23 and 24 respectively attached to the left and right front end portions of the wall member 18 are fastened on the driver's seat 16 on the driver's seat 16 with the infant on the back. The integrity of the person and the infant can be further improved, and the stability during bicycle travel can be further improved.

In addition, constricted portions 19 are formed on the left and right sides of the connecting portion of the auxiliary seat 17 connected to the driver seat 16, and below the constricted portions 19 are supported by support members 20 attached to the left and right sides of the base member 11. Since the footrest 21 is provided, the foot of the infant carried by the driver can be taken out downward, and the infant's knee placed on the auxiliary seat 17 with the foot of the infant supported by the footrest 21 is supported. Can be kept upright. Therefore, the posture of the infant can be maintained more easily, and the infant can be put on the auxiliary seat 17 so that the driver's buttocks are sandwiched between the infant's knees, thereby improving the unity between the driver and the infant. be able to. Moreover, since the guard member 22 is attached to the footrest 21, it is possible to prevent the infant shoes from directly touching the driver.

Since the attachment portion 15 of the bicycle saddle 10 has position adjusting means 28 for adjusting the front-rear position of the base member 11 with respect to the fixing portion 27, the auxiliary seat 17 is moved to the bicycle by shifting the riding portion 13 forward (to the handle side). Can be separated from the cargo bed 53. For this reason, as shown in FIG. 1, the infant seat 54 can be easily attached to the bicycle carrier 53, and one infant is carried on the infant seat 54 while the infant is carried on the back. You can drive.
Furthermore, since the fixing part 27 has the angle adjusting means 47 that rotates the position adjusting means 28 and fixes it at a predetermined angular position, the angle of the riding part 13 with respect to the frame 14 can be adjusted. For this reason, a driver | operator's attitude | position can be maintained so that operation of a bicycle may be easy, and the operativity of a bicycle can be improved.
In addition, by shifting the riding part 13 backward with the position adjusting means 28, the gap between the bicycle handle and the driver's seat 16 can be enlarged, and the operability of the bicycle can be maintained even if an infant seat is attached to the handle, With one infant on the infant seat attached to the handle, a bicycle can be driven with one infant on the back.

As described above, the present invention has been described with reference to the embodiment. However, the present invention is not limited to the configuration described in the above-described embodiment, and the matters described in the scope of claims. Other embodiments and modifications conceivable within the scope are also included.
For example, a part of the auxiliary seat may be placed on a loading platform provided on the upper rear side of the bicycle frame. By placing a part of the auxiliary seat on the loading platform, the auxiliary seat can be supported by the loading platform, and the riding section can be stably attached to the frame. In this case, the infant seat is attached to the handle of the bicycle.
Moreover, although the case where the bicycle saddle of the present invention is attached to a bicycle having a loading platform has been described, the bicycle saddle of the present invention can also be applied to a bicycle without a loading platform (for example, a mountain bike).
Furthermore, it is good also as a structure which can perform operation of an angle adjustment means, and operation which attaches a fixing | fixed part to a seat post each independently. In this case, for example, a bicycle saddle disclosed in Japanese Utility Model Laid-Open No. 6-33788 can be adopted as a mechanism for attaching the angle adjusting means and the fixing portion to the seat post.

10: Bicycle saddle, 11: Base member, 12: Cushion material, 13: Riding part, 14: Frame, 15: Mounting part, 16: Driver's seat, 17: Auxiliary seat, 18: Wall member, 19: Constriction part, 20: support member, 21: footrest, 22: guard member, 23: first belt, 24: second belt, 25: pin, 26: seat post, 27: fixing portion, 28: position adjusting means, 29 29a: moving part, 30: holding part, 31: screw, 32: notch, 33, 34: protruding part, 35: clamp member, 36, 37: mounting bracket, 38: spring, 39, 40: connecting material, 41: male screw member, 42: lever, 43, 44, 45, 46: radial protrusion, 47: angle adjusting means, 48: position adjusting means, 49: moving part, 50: holding part, 51: female screw part, 52: screw Hole, 53: loading platform, 54 Baby seat, 55: position adjusting means, 56, 57: connecting member, 58, 59: mounting bracket, 60: through hole, 61: notch, 62: fixing portion

Claims (7)

In a bicycle saddle having a base member and a riding portion provided with a cushion material provided on the surface of the base member, and a mounting portion provided at a lower portion of the riding portion and fixing the riding portion to a bicycle frame,
The riding section includes a driver seat provided above the mounting portion, and an auxiliary seat connected to the rear side of the driver seat, and the left and right sides and the rear portion on the rear side of the auxiliary seat. Is a saddle for a bicycle, characterized in that wall members are provided continuously. The bicycle saddle according to claim 1, wherein constrictions are formed on both left and right sides of the connecting portion of the auxiliary seat connected to the driver's seat. 3. The bicycle saddle according to claim 1, wherein footrests supported by support members attached to the left and right sides of the base member are provided on both sides of the auxiliary seat at the front lower portion, respectively. Bicycle saddle characterized by being. The bicycle saddle according to any one of claims 1 to 3, wherein the attachment portion is provided between a fixing portion attached to the frame, the fixing portion and the base portion, and the base member. A bicycle saddle comprising position adjustment means for adjusting a front-rear position with respect to the fixed portion. 5. The bicycle saddle according to claim 4, wherein the fixing portion includes angle adjusting means for rotating the position adjusting means and fixing it at a predetermined angular position. The bicycle saddle according to any one of claims 1 to 5, wherein a first belt and a second belt are respectively attached to the left and right front end portions of the wall member, A bicycle saddle characterized in that the tip of the second belt is connectable. The bicycle saddle according to any one of claims 1 to 6, wherein a part of the auxiliary seat is placed on a cargo bed provided at a rear upper part of the frame. For saddle.

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