WO2022137484A1 - 手押しカート - Google Patents
手押しカート Download PDFInfo
- Publication number
- WO2022137484A1 WO2022137484A1 PCT/JP2020/048638 JP2020048638W WO2022137484A1 WO 2022137484 A1 WO2022137484 A1 WO 2022137484A1 JP 2020048638 W JP2020048638 W JP 2020048638W WO 2022137484 A1 WO2022137484 A1 WO 2022137484A1
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- WIPO (PCT)
- Prior art keywords
- width direction
- lateral
- rib
- footrest
- pair
- Prior art date
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- 230000007423 decrease Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 15
- 210000001364 upper extremity Anatomy 0.000 description 12
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000000284 resting effect Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/10—Perambulator bodies; Equipment therefor
- B62B9/12—Perambulator bodies; Equipment therefor involving parts that are adjustable, attachable or detachable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/80—Other vehicles not covered by groups B60Y2200/10 - B60Y2200/60
- B60Y2200/83—Perambulators; Buggies; Strollers
Definitions
- the present invention relates to a push cart.
- hand carts such as baby carriages and pet carts are used (for example, JP2018-114796A).
- the push cart In order for the push cart to smoothly get over the step on the traveling surface, it is effective to float the wheel located in front of the traveling direction. Then, in order to float the wheels, it is effective to pull the handle of the push cart backward and downward with the foot resting on the lateral member provided in the vicinity of the wheels located behind the wheel in the traveling direction of the push cart.
- the lateral member is a member extending in the width direction, and examples thereof include a member connecting a pair of hind legs.
- the present invention has been made in consideration of the above points, and an object of the present invention is to enable a stable foot to be placed on a horizontal member to which a car member is attached.
- the push cart according to the present invention A pair of legs separated in the width direction, a wheel held at the lower end portion of each of the pair of legs, a transverse member extending in the width direction between the pair of legs or between the pair of wheels, and the above.
- a cart body having a footrest member provided on the lateral member, and With a basket member attached to the cart body,
- the car member has a car main body portion that forms an accommodating portion, and a mounting member that extends from the car main body portion and attaches the car main body portion to the cart main body.
- a passage path for the mounting member is formed between the lateral member and the footrest member.
- FIG. 1 It is a figure for demonstrating one Embodiment, and is the perspective view which shows an example of a baby carriage.
- 4 is a cross-sectional view showing the lateral member and the footrest member of FIG. 4A from the width direction, and is a view showing the footrest member together with the lateral member in the cross section along the line BB of FIG. 7.
- 4 is a cross-sectional view showing the lateral member and the footrest member of FIG.
- FIG. 4A is a perspective view showing a lateral member and a footrest member of FIG. 4A.
- the perspective view which shows the footrest member of FIG. The plan view which shows the foothold member of FIG.
- FIG. 6 is a cross-sectional view showing a cross-sectional foothold member along the line XIII-XIII of FIG. A side view for explaining a modified example of a baby carriage.
- a baby carriage used when taking out an infant will be described as an example.
- the present invention is not limited to the baby carriage, and the present invention is not limited to a cart configured to be pushed through the user's hand, such as a push cart configured as a pet cart used when moving a pet. Can be widely used.
- FIGS. 1 to 9 are diagrams for explaining one embodiment according to the present invention.
- FIGS. 1 to 4 show an overall configuration of a baby carriage as a specific example of a push cart, or an overall configuration of a baby carriage body as a specific example of the cart body.
- 4A to 5 show the lateral member and the footrest member included in the baby carriage main body (cart main body), and
- FIGS. 6 to 8 show the footrest member.
- the configuration shown in some drawings may be omitted in other drawings.
- the baby carriage (hand-push cart) 10 of the present embodiment has a baby carriage main body (cart main body) 15 and a basket member 70 supported by the baby carriage main body 15. Further, as shown in FIG. 2 showing the stroller 10 from the rear, the stroller main body 15 has a lateral member 25 extending in the width direction and a footrest member 40 provided on the lateral member 25. There is. In the baby carriage 10 described below, a device is devised so that the foot can be stably rested on the lateral member 25 to which the car member 70 is attached.
- the illustrated baby carriage 10 and the baby carriage main body 15 are generally located at the center in the lateral direction and have a substantially symmetrical configuration centered on the planes along the front-rear direction and the vertical direction. There is.
- the terms “front”, “rear”, “up”, “down”, “front-back direction”, and “up-down direction” for the baby carriage (push cart) and its components are not particularly specified. In the case, it means “front”, “rear”, “up”, “down”, “front-back direction”, and “up-down direction” with respect to the infant riding on the deployed baby carriage and its components. More specifically, the “front-back direction” is the direction connecting the lower left and the upper right of the paper surface in FIGS. 1 and 2, and corresponds to the left-right direction of the paper surface in FIG. Unless otherwise specified, the “front” is the side facing the baby on board, and the lower left side of the paper in FIG. 1, the upper right side of the paper in FIG.
- the "vertical direction” is a direction orthogonal to the traveling surface of the baby carriage. Therefore, when the traveling surface is a horizontal plane, the “vertical direction” refers to the vertical direction. Further, the “horizontal direction” is a width direction, which is a direction orthogonal to both the "front-back direction” and the "vertical direction”.
- the baby carriage 10 further has a seat 60 supported by the baby carriage main body 15 in addition to the baby carriage main body 15 and the cage member 70.
- the seat 60 is a portion where the infant sits or lies down.
- the baby carriage main body 15 is configured to be foldable.
- the baby carriage main body 15 has a pair of front legs 21 arranged on the left and right sides, and a pair of rear legs 23 arranged on the left and right sides, respectively.
- the baby carriage main body 15 further has a first link L1, a second link L2, a third link L3, and a fourth link L4 arranged on the left and right, respectively.
- the front legs 21, the rear legs 23, and the first to fourth links L1 to L4 function as links that make the baby carriage body 15 foldable and expandable.
- the front leg 21 rotatably holds the front wheel 22 at the lower end portion thereof.
- the front wheels 22 form casters and are rotatable and rotatable.
- the rear leg 23 rotatably holds the rear wheel 24 at the lower end portion thereof.
- the front leg 21 and the rear leg 23 may be configured by using a metal pipe such as an aluminum alloy.
- the upper end portion of the front leg 21 is rotatably (swingable) connected to the front portion of the first link L1 arranged on the corresponding side (left side or right side). ..
- the upper end portion of the rear leg 23 is rotatably (swingable) connected to the front portion of the first link L1 arranged on the corresponding side (left side or right side).
- the first link L1 may be constructed using, for example, a resin molded product. In the illustrated example, the first link L1 can function as an armrest.
- the second link L2 is rotatably (swingable) connected to the rear end portion of the first link L1 arranged on the corresponding side (left side or right side).
- the second link L2 is configured as part of the handle 30.
- the handle 30 has a U-shape as a whole.
- the handle 30 has a pair of shaft portions 31 and a connecting portion 32 that connects the pair of shaft portions 31.
- Each shaft portion 31 constitutes a second link L2.
- the connecting portion 32 connects the upper end portions of the pair of shaft portions 31.
- the handle 30 may be configured using a metal pipe such as, for example, an aluminum alloy.
- the third link L3 is rotatably connected to the hind legs 23 arranged on the corresponding side (left side or right side).
- the third link L3 can be configured by using a metal pipe such as an aluminum alloy or a resin molded product.
- the third link L3 is rotatably connected to the intermediate portion of the rear leg 23 at its lower end portion.
- the fourth link L4 is rotatably connected to the front leg 21 arranged on the corresponding side (left side or right side).
- the fourth link L4 is rotatably connected to the intermediate portion of the front leg 21 at its front end portion.
- the fourth link L4 constitutes a part of the seat support unit that supports the seat 60.
- the second link L2, the third link L3, and the fourth link L4 arranged on the same side (left side or right side) in the width direction use the same shaft member 35 (see FIG. 3). They are rotatably connected to each other.
- the shaft member 35 penetrates the second link L2, the third link L3, and the fourth link L4.
- the second link L2, the third link L3, and the fourth link L4 are rotatable about the axis corresponding to the central axis of the shaft member 35.
- the baby carriage main body 15 has a seat support unit 38 as a configuration for supporting the seat 60.
- the seat support unit 38 has a seat support 38A and a back support 38B.
- the back support 38B is swingable with respect to the seat support 38A.
- the seat support 38A includes a pair of side frame elements 39a and a front frame material 39b and a rear frame material 39c connecting the pair of side frame elements 39a (see FIG. 2).
- the pair of side frame elements 39a are arranged apart from each other in the width direction.
- Each side frame element 39a extends in the front-rear direction and constitutes the above-mentioned fourth link L4.
- the front frame member 39b extends in the width direction and connects the front end portions of the pair of side frame elements 39a.
- the rear frame material 39c extends in the width direction and connects the rear end portions of the pair of side frame elements 39a.
- the baby carriage main body 15 has a lateral member extending laterally between a pair of legs or between a pair of wheels.
- the illustrated baby carriage body 15 has a front connecting member 26 (see FIG. 1) that connects the pair of front legs 21 and a rear connecting member 27 (see FIG. 2) that connects the pair of rear legs 23. ing.
- the front connecting member 26 functions as a footrest.
- the front connecting material 26 and the rear connecting material 27 may be constructed by using a metal pipe such as an aluminum alloy or a resin molded product.
- a flexible guard member 28 is detachably provided between the pair of first links L1.
- the footrest member 40 is provided on the lateral member 25 configured by the rear connecting member 27.
- the footrest member 40 will be described in detail later.
- the baby carriage body 15 having the above configuration can be folded by rotating each component relative to each other. Specifically, the handle 30 constituting the second link L2 is once pulled up backward and upward, and then pushed downward so that the third link L3 is rotated clockwise with respect to the rear leg 23 in FIG. With this operation, the first link L1 and the fourth link L4 rotate clockwise with respect to the second link L2 in FIG. By such an operation, the handle 30 and the front leg 21 approach each other while maintaining a substantially parallel relationship in the side view, and the position of the handle 30 can be lowered. As described above, the baby carriage body 15 can be folded. In the folded state, the dimensions of the baby carriage 10 along the front-rear direction and the up-down direction can be reduced. On the other hand, in order to unfold the baby carriage body 15 from the folded state, the procedure reverse to the above-mentioned folding operation may be performed.
- the seat 60 and the basket member 70 attached to the baby carriage main body 15 have flexibility. Therefore, the seat 60 and the car member 70 are deformed by the folding operation and the unfolding operation of the baby carriage main body 15 and do not interfere with these movements of the baby carriage main body 15.
- the car member 70 provides a storage unit that functions as a storage space. What is accommodated in the accommodating portion of the car member 70 is not particularly limited, and various articles permitted by the configuration of the car member 70, such as a kneeling or a toy, may be used.
- the car member 70 has a car main body 71 forming an accommodating portion and a mounting member 72 extending from the car main body 71.
- the basket body 71 may be configured as a sewn product.
- the mounting member 72 is a member for mounting the car body 71 to the baby carriage body (cart body) 15.
- the mounting member 72 may adopt various configurations.
- the attachment member 72 may be configured as an elongated string-shaped or belt-shaped member, or these string-shaped or belt-shaped members may further have a fixing tool such as a hook-and-loop fastener, a button, or a clip. Alternatively, it may be composed of only the fixture.
- the illustrated mounting member 72A is configured by folding back a belt material made of a sewn product at a tip portion separated from the car body 71, and can be said to be a belt-shaped member as a whole.
- the belt material as a material is sewn only at the tip of the belt-shaped member, and the belt material as a material is maintained in a folded state. Therefore, the tip of the belt material may warp at some distance from the facing belt material, and the tip portion of the belt-like member may have a tapered outer shape that tapers towards the tip.
- the mounting member 72A when the folded portion of the belt material is passed through the holding hole 16 provided in the baby carriage body 15, the tip of the belt material is restricted from expanding and freely coming out of the holding hole 16. Ru.
- the mounting member 72A can be pulled out from the holding hole 16 of the baby carriage body 15.
- the car member 70 shown in FIG. 2 has four first mounting members 72A extending upward from the car main body 71 and three mounting members 72B extending downward and rearward from the car main body 71. , 72C and.
- the first mounting member 72A extending upward from the car body 71 passes through the holding holes 16 provided in the pair of third links L3 and the holding holes 16 provided in the pair of fourth links L4. It is held by the baby carriage body 15.
- the cage member 70 is held so as to be suspended from the baby carriage main body 15.
- the three mounting members 72B and 72C extending downward and rearward from the car body 71 are provided apart from each other in the width direction.
- the second mounting members 72B located on both sides are held by the baby carriage body 15 by passing through the holding holes 16 provided in the rear connecting member 27 or the rear wheel 24, respectively.
- the third mounting member 72C located at the center in the width direction has a different configuration from the other mounting members 72A.
- the third mounting member 72C is configured as a belt-shaped member having a fixture such as a hook-and-loop fastener. As shown in FIGS. 4A to 4C, the third mounting member 72C orbits the lateral member 25 and uses a fixture (not shown) to form a ring-shaped portion through which the lateral member 25 has passed. Attached to 25.
- the position of the car member 70 suspended from the baby carriage body 15 can be stabilized. can.
- the bottom surface of the car body 71 is deformed to the traveling surface because the article housed in the car body 71 is a heavy object or the like. It is also possible to effectively avoid contact.
- the bottom surface of the car body 71 is inclined so as to be located downward toward the rear. In such mounting of the baby carriage body 15 of the car body 71, the above-mentioned action and effect of the third mounting member 72C becomes more remarkable.
- the footrest member 40 is a portion on which the user's foot of the baby carriage (hand push cart) 10 is hung.
- the push cart configured as the baby carriage 10
- the user as a guardian of the infant who got on the baby carriage 10 will put his foot on the baby carriage 10 when he / she operates the baby carriage 10.
- the traveling surface TP there may be a step on the traveling surface TP (see FIG. 3) on which the hand-push cart 10 travels.
- it is effective to float the wheel located in front of the traveling direction of the traveling hand cart. Otherwise, the wheels in front of the traveling direction will collide with the step and the baby carriage will not be able to travel.
- a recess such as a groove may be provided in the traveling surface TP, and even in such a situation, the wheel located in front of the traveling direction of the hand-held cart during traveling may be provided. It is effective to float it. Otherwise, the wheels in front of the traveling direction will get stuck in the recesses and the baby carriage will not be able to travel.
- the footrest member 40 extends along the width direction and is provided only on a part of the total length of the lateral member 25 configured by the rear connecting member 27 in the width direction. Further, as shown in FIG. 4A, it is provided only on a part of the entire circumference of the transverse member 25 when observed from the width direction. That is, the footrest member 40 does not orbit the lateral member 25. According to this specific example, the user who sees the footrest member 40 can visually perceive that the footrest member 40 is a part on which the foot rests, and the footrest member 40 is effectively used by the user. Will be used.
- the footrest member 40 is located on a part of the lateral member 25 including the center in the width direction of the lateral member 25. Therefore, by resting the foot on the footrest member 40, the baby carriage 10 can be restricted from swinging to the left and right, and the front wheel 22 can be stably lifted.
- the footrest member 40 is attached to the lateral member 25 so as to cover the highest position in the vertical direction of the lateral member 25 from above when observed from the width direction. ..
- the lateral member 25 can stably support the footrest member 40 from below. Therefore, it is possible to effectively prevent the footrest member 40 from coming off the lateral crossing member 25 when the foot is put on the footrest member 40.
- FIGS. 4B and 4C show the lateral member 25 and the footrest member 40 in a cross section along both the vertical direction and the front-rear direction, that is, in a cross section orthogonal to the width direction.
- FIGS. 4B and 4C show cross sections at different positions in the width direction. More specifically, FIG. 4B shows the footrest member 40 together with the lateral member 25 in the cross section along the line BB of FIG. 7, and FIG. 4C shows the foot in the cross section along the line CC of FIG.
- the hanging member 40 is shown together with the lateral member 25.
- the installation position of the footrest member 40 on the lateral member 25 overlaps with the attachment position of the third attachment member 72C, which is important for stably holding the car body 71 described above, on the lateral member 25. It ends up. If the third mounting member 72C is wound around the footrest member 40 together with the lateral crossing member 25, the foot cannot be stably hung on the footrest member 40, and the third mounting member 72C may be soiled in the first place. Therefore, it may be hesitant to put a foot on the footrest member 40.
- a passage path PW of the third mounting member 72C is formed between the lateral member 25 and the footrest member 40. .. Therefore, the third mounting member 72C can pass through the passage path PW between the inner surface of the footrest member 40 and the lateral member 25 without passing over the outer surface of the footrest member 40. Therefore, it is possible to prevent the third mounting member 72C from entering between the footrest member 40 and the foot. Further, since the footrest member 40 is attached to the lateral crossing member 25 so as to cover the highest position in the vertical direction of the lateral crossing member 25 from above when observed from the width direction, the footrest member 40 is laterally crossed via the footrest member 40.
- a force can be stably applied to the member 25.
- the front wheel 22 held by the leg 21 in front of the traveling direction can be easily floated.
- the third mounting member 72C is arranged in the passage path PW formed between the footrest member 40 and the transverse member 25, the position of the third attachment member 72C may be displaced on the transverse member 25. Further, it is possible to prevent the third mounting member 72C from coming off from the lateral member 25. Thereby, the holding of the car main body 71 using the third mounting member 72C can be made more stable.
- the footrest member 40 covers approximately half of the entire circumference of the lateral member 25 when observed from the width direction.
- the rear connecting member 27 forming the lateral member 25 has a flat surface portion 25a having a flat outer surface and a curved surface portion 25b having a curved outer surface.
- the outer surface of one curved surface portion 25b has a semicircular shape. Then, a pair of flat surface portions 25a are connected between the ends of the two curved surface portions 25b.
- the transverse member 25 has a long axis LA parallel to the direction in which the pair of flat surface portions 25a extends and a short axis line SA parallel to the direction in which the pair of flat surface portions 25a face each other in a cross section orthogonal to the width direction.
- the long axis LA and the short axis SA are orthogonal to each other.
- the long axis LA extends along the central axis of the rear leg 23 provided with the lateral member 25 (rear connecting member 27), and is inclined in the vertical direction so as to be positioned forward in the upper direction.
- the footrest member 40 covers the rear and somewhat upward halves of the lateral member 25 separated by the long axis LA.
- the illustrated footrest member 40 covers more than half of the posterior and somewhat upward area of the lateral member 25 as defined by the long axis LA.
- Such a footrest member 40 can cover a necessary range of the lateral member 25 while making it possible to easily attach and fix the foot member 25 to the lateral member 25.
- the passage path PW extends linearly on the flat surface portion 25a and curves on the curved surface portion 25b along the outer surface of the transverse member 25 when observed from the width direction. There is. And, as shown in FIG. 5, the passage path PW opens forward and somewhat downward at both ends thereof. Since the passage path PW has a pair of openings in this way, the third attachment member 72C can be attached to and removed from the transverse member 25 in a state where the footrest member 40 is fixed on the transverse member 25. be able to.
- the third mounting member 72C is inserted into the passage path PW from any opening so that the third mounting member 72C passes through the passage path PW. Then, the tip portion of the third mounting member 72C that has passed through the passing path PW and the portion of the third mounting member 72C that is located between the passing path PW and the car body portion 71 are, for example, a hook-and-loop fastener. Fix it by using a fixing tool such as a button or a clip. As a result, the third mounting member 72C extending from the car body 71 can be mounted on the lateral member 25.
- the portion of the third mounting member 72C that has passed through the passing path PW is pulled into the passing path PW, and the third mounting member 72C is further pulled out from the passing path PW.
- FIG. 5 is a view showing the footrest member 40 attached to the lateral member 25 from the front.
- FIG. 6 is a perspective view showing only the footrest member 40 by removing the lateral member 25 shown in FIG.
- FIG. 7 is a plan view showing the footrest member 40 from the side facing the lateral member 25, and
- FIG. 8 is a cross-sectional view taken along the line XIII-XIII of FIG.
- the footrest member 40 has a pair of first portions (first regions) 41 located at both end portions in the width direction and attached to the lateral member 25, and a pair in the width direction.
- a second portion (second region) 42 which is located between the first portions 41 of the above, is included. Then, in the second portion 42, the footrest member 40 forms a passage path PW with the lateral member 25.
- the footrest member 40 is attached to the lateral member 25 in the first portion 41 by using a fixing tool such as a screw or a rivet.
- the position of the third mounting member 72C is restricted from being displaced in the width direction by the first portion 41 mounted on the lateral member 25.
- the third mounting member 72C can be prevented from being unintentionally detached from the lateral member 25, and the third mounting member 72C can be stably held on the lateral member 25.
- the footrest member 40 is raised from the lateral member 25 in the second portion 42 rather than the first portion 41. That is, the footrest member is raised in the second portion 42 located between the pair of first portions 41. In other words, the footrest member 40 is thicker in the second portion 42 than in the first portion 41.
- the outer shape of the footrest member 40 makes it easier for the user to place his / her foot on the second portion 42. Then, by placing the foot in a region centered on the second portion 42, which is an intermediate portion in the width direction of the footrest member 40, a more stable force can be applied to the lateral member 25 via the footrest member 40. can.
- the second portion (second region) 42 of the footrest member 40 may be located on the center in the width direction of the lateral member 25. According to such a configuration, a force can be stably applied by the lateral member 25 via the footrest member 40. Further, the third mounting member 72C is located at the center in the width direction, so that the car body 71 can be mounted more stably.
- the height at which the footrest member 40 rises from the lateral member 25 increases from both ends in the width direction toward the center in the width direction.
- the thickness of the footrest member 40 increases from both ends in the width direction toward the center in the width direction. According to such an outer shape of the footrest member 40, it becomes easier to place the foot on the second portion 42, and a force can be more stably applied to the lateral member 25 via the footrest member 40.
- the footrest member 40 has a plate-shaped portion 45 that covers the transverse member 25, and a first rib 51 that protrudes from the plate-shaped portion 45 toward the transverse member 25 in the first portion 41. is doing.
- the plate-shaped portion 45 is a plate-shaped portion having a planar spread. However, the plate-shaped portion 45 may be provided with a hole or the like.
- the plate-shaped portion 45 shown in FIG. 2 has a curved plate shape. As shown in FIG. 2, the plate-shaped portion 45 has an outer rib 46 on an outer surface facing the side opposite to the lateral member 25. A plurality of outer ribs 46 (three ribs in the illustrated example) are provided apart in a direction orthogonal to the width direction.
- the outer rib 46 functions as a non-slip for shoes (feet) arranged on the footrest member 40. The outer rib 46 can visually inform the user of the position where the foot should be placed.
- the first rib 51 extending from the plate-shaped portion 45 in the first portion 41 is in contact with the lateral member 25 at its tip farthest from the plate-shaped portion 45.
- the footrest member 40 having sufficient rigidity can be reduced in size and weight.
- the footrest member 40 can be stably arranged on the lateral member 25. Further, it is possible to effectively prevent the position of the third mounting member 72C from shifting in the width direction.
- the first rib 51 includes a first vertical rib 51a and a first horizontal rib 51b. As shown in FIGS. 4B and 4C, the first vertical rib 51a extends along the outer surface of the transverse member 25 when observed from the width direction. The first lateral rib 51b extends in the width direction. According to such a configuration, the footrest member 40 having sufficient rigidity can be sufficiently reduced in size and weight.
- the first vertical rib 51a extends in a curved shape along the outer surface of the transverse member 25 when observed from the width direction.
- a plurality of first vertical ribs 51a are provided in the first portion 41 at intervals in the width direction.
- the first lateral rib 51b extends linearly in the width direction.
- the first portion 41 is provided with a plurality of first lateral ribs 51b separated from each other in a direction orthogonal to the width direction.
- the plurality of first lateral ribs 51b are separated from each other along the outer surface of the transverse member 25 when observed from the width direction.
- the first vertical rib 51a and the first horizontal rib 51b extend from the plate-shaped portion 45 along a plane orthogonal to the width direction. Further, a through hole 51c through which a fixing tool such as a screw or a rivet for attaching the footrest member 40 to the lateral member 25 passes is provided in the first portion 41.
- the footrest member 40 has a second rib 52 protruding from the plate-shaped portion 45 toward the lateral member 25 in the second portion 42.
- the protruding height of the second rib 52 from the plate-shaped portion 45 is lower than the protruding height of the first rib 51 from the plate-shaped portion 45.
- the second rib 52 is separated from the transverse member 25 at its tip farthest from the plate-shaped portion 45. Then, a passage path PW is formed between the tip of the second rib 52 and the lateral member 25.
- the difference between the protrusion height of the first rib 51 from the plate-shaped portion 45 and the protrusion height of the second rib 52 from the plate-shaped portion 45 is substantially the same as the thickness of the passage path PW, and passes through the passage path PW. It is equal to or larger than the thickness of the third mounting member 72C.
- the distance from the tip of the second rib 52 to the lateral member 25 is substantially constant.
- the thickness of the passage path PW at the position facing the second rib 52 is substantially constant. According to such a configuration, especially when the tip of the third mounting member 72C is inserted into the passage path PW at the time of mounting the third mounting member 72C, the third mounting member 72C is clogged in the passage path PW. It can be suppressed.
- the second rib 52 includes the second vertical rib 52a and the second horizontal rib 52b.
- the second vertical rib 52a extends along the outer surface of the transverse member 25 when observed from the width direction.
- the second lateral rib 52b extends in the width direction. According to such a configuration, the footrest member 40 having sufficient rigidity can be sufficiently reduced in weight.
- the second vertical rib 52a and the second horizontal rib 52b extend from the plate-shaped portion 45 along a plane orthogonal to the width direction.
- the second vertical rib 52a extends in a curved shape along the outer surface of the transverse member 25 while being separated from the transverse member 25 when observed from the width direction.
- the third mounting member 72C advances the passage path PW between the lateral member 25 and the footrest member 40. Can be guided by the second vertical rib 52a.
- the cage member 70 can be easily attached to the baby carriage main body 15 by using the third attachment member 72C.
- the distance from the tip of the second vertical rib 52a to the transverse member 25 is substantially constant at each position along the outer surface of the transverse member 25 when observed from the width direction. According to such a configuration, when the third mounting member 72C is mounted and removed from the lateral member 25, the third mounting member 72C can smoothly advance in the passage path PW.
- the protruding height of the second vertical rib 52a from the plate-shaped portion 45 is set at both ends 52ae at both ends along the outer surface of the transverse member 25 when observed from the width direction. It is getting lower and lower.
- the insertion of the third mounting member 72C into the passage path PW between the lateral member 25 and the footrest member 40 is smoothly guided by the height change of the second vertical rib 52a. be able to. Thereby, the cage member 70 can be easily attached to the baby carriage main body 15 by using the third attachment member 72C.
- a plurality of second vertical ribs 52a are provided on the second portion 42 of the footrest member 40.
- the plurality of second vertical ribs 52a are provided apart from each other in the width direction.
- the arrangement pitch P2 of the plurality of second vertical ribs 52a is smaller than the arrangement pitch P1 of the plurality of first vertical ribs 51a.
- the third mounting member 72C is easily supported by two or more second vertical ribs 52a in the passage path PW between the lateral member 25 and the footrest member 40.
- the state of the third mounting member 72C in the passage path PW is stable, and the cage member 70 can stably hold the article or the like.
- the third attachment member 72C advances the passage path PW between the lateral member 25 and the footrest member 40 so that the second or more second attachment member 72C advances. It can be stably guided by the vertical rib 52a.
- the arrangement pitch P2 of the plurality of second vertical ribs 52a is smaller than the width W of the belt-shaped third mounting member 72C shown by the two-dot chain line in each of FIGS. 7 and 8.
- the third mounting member 72C is supported by two or more second vertical ribs 52a in the passage path PW between the lateral member 25 and the footrest member 40. Therefore, the support state of the car member 70 can be stabilized, and the third mounting member 72C can be stably guided in the passage path PW.
- the second rib 52 also includes a second lateral rib 52b extending in the width direction.
- the second lateral rib 52b can also contribute to the guidance of the belt-shaped third mounting member 72C in the passage path PW. That is, when the belt-shaped third mounting member 72C is moved in the passage path PW, the tip of the third mounting member 72C comes into contact with the second lateral rib 52b extending in the width direction, whereby the third mounting member 72C is moved. It is possible to suppress traveling diagonally with respect to the passage path PW. That is, the second lateral rib 52b comes into contact with the tip of the belt-shaped third mounting member 72C to adjust the orientation of the third mounting member 72C.
- the orientation of the third mounting member 72C can be adjusted so that the tip of the third mounting member 72C extends in a direction orthogonal to the longitudinal direction of the passage path PW. Thereby, when the car member 70 using the third mounting member 72C is mounted and removed, the third mounting member 72C can be stably guided in the passage path PW by the second lateral rib 52b.
- the lateral member 25 has a flat surface portion 25a having a flat outer surface and a curved surface portion having a curved outer surface in a region covered by the footrest member 40. 25b and.
- the tip of the second lateral rib 52b faces the connecting portion 25c between the flat surface portion 25a and the curved surface portion 25b.
- the connecting portion 25c extends linearly, particularly linearly along the width direction.
- the tip of the second lateral rib 52b extends along the connecting portion 25c while facing the connecting portion 25c.
- the second lateral rib 52b is provided in the region where the third mounting member 72C changes its direction in the passage path PW. Therefore, when the third mounting member 72C changes its direction in the passage path PW when the third mounting member 72C is mounted on and removed from the lateral member 25, the tip of the third mounting member 72C is the second lateral rib 52b. It becomes easy to come into contact with. That is, the second lateral rib 52b is provided in the region in the passage path PW where the third mounting member 72C is likely to be clogged, and the movement of the third mounting member 72C along the passage path PW can be effectively promoted. ..
- a plurality of second lateral ribs 52b are provided along the outer surface of the transverse member 25 when observed from the width direction. Further, there are two connecting portions 25c in the passage path PW. One second lateral rib 52b is arranged facing each connecting portion 25c. Therefore, according to the illustrated configuration, the movement of the third mounting member 72C in the passage path PW can be made smoother.
- the plate-shaped portion 45 is a first edge extending in the width direction by connecting a pair of side edge portions 45c located at both ends in the width direction and a pair of side edge portions 45c.
- a portion 45a and a second edge portion 45b are included.
- the side edge portion 45c extends in a direction orthogonal to the width direction.
- each of the above-mentioned first vertical ribs 51a extends from the first edge portion 45a to the second edge portion 45b.
- the first edge portion 45a to the second edge portion 45b are transversely crossed in a second portion 42 and a region including at least a portion of the first portion 41 adjacent to the second portion 42.
- the first edge portion 45a and the second edge portion 45b are separated from the transverse member 25 except at both ends in the width direction thereof or over the entire length thereof.
- the user can easily notice the existence of the passage path PW. Furthermore, it becomes easier to grasp the entrance of the passage path PW. Further, during the use of the baby carriage 10, it is possible to prevent a large force for peeling the footrest member 40 from the lateral member 25 from being applied to the plate-shaped portion 45 from the third mounting member 72C. Further, the footrest member 40 can be greatly expanded from the lateral member 25, and it becomes easy to stably hang the foot on the footrest member 40.
- the first edge portion 45a and the second edge portion 45b are formed with a recess 47 in the second portion 42.
- the recess 47 makes it easier for the user to notice the presence of the passage path PW, and further makes it easier to grasp the entrance of the passage path PW.
- the third attachment member 72C can be easily inserted into the passage path PW, and the third attachment member 72C can be easily pulled out from the passage path PW.
- the push cart (baby carriage) 10 has a cart main body (baby carriage main body) 15 and a basket member 70 attached to the cart main body 15.
- the cart body 15 has a pair of legs 23 separated in the width direction, a wheel 24 held at the lower end portion of each of the pair of legs 23, and a space between the pair of legs 23 or a pair of wheels 24 in the width direction. It has an extending lateral member 25 and a footrest member 40 provided on the lateral member 25.
- the car member 70 has a car main body 71 that forms an accommodating portion, and a third mounting member 72C that extends from the car main body 71 and attaches the car member 70 to the cart main body 15.
- a passage path PW for the mounting member 72C is formed between the lateral member 25 and the footrest member 40 provided on the lateral member 25. Therefore, it is possible to effectively prevent the mounting member 72C from being arranged on the footrest member 40, and it is possible to stably rest the foot on the footrest member 40. As a result, a force can be stably applied to the lateral member 25 via the footrest member 40, and the wheel 22 held by the leg 21 in front of the traveling direction can be floated. As a result, it is possible to stably overcome steps and recesses. Further, it is possible to effectively prevent the mounting member 72C from becoming dirty due to shoes or the like placed on the footrest member 40.
- the baby carriage body 15, the footrest member 40, and the basket member 70 described above are merely examples, and various changes can be made. Further, in the above-mentioned specific example, an example in which the footrest member 40 is provided on the lateral member 25 located between the pair of hind legs 23 is shown, but the present invention is not limited to this example. For example, the footrest member 40 may be provided on the lateral member 25 provided between the pair of rear wheels 24. Further, as shown in FIG.
- the lateral member 25 (for example, the front connecting member 26 described above) extending in the width direction between the pair of front legs 21 and the pair of front wheels
- the footrest member 40 may be attached to the lateral member 25 extending between the 22s in the width direction.
- the above-mentioned lateral crossing member 25, footrest member 40, and basket member 70 are not limited to the application to the baby carriage 10, and are, for example, as a pet cart used when taking out a pet. It can also be used for a push cart, a push cart as a trolley used for transporting goods, and the like.
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
Description
幅方向に離間した一対の脚と、前記一対の脚の各々の下端部分に保持された車輪と、前記一対の脚の間又は前記一対の車輪の間を前記幅方向に延びる横渡部材と、前記横渡部材上に設けられた足掛部材と、を有するカート本体と、
前記カート本体に取り付けられたかご部材と、を備え、
前記かご部材は、収容部を形成するかご本体部と、前記かご本体部から延び出し前記かご本体部を前記カート本体に取り付ける取り付け部材と、を有し、
前記横渡部材と前記足掛部材との間に前記取り付け部材の通過経路が形成されている。
Claims (15)
- 幅方向に離間した一対の脚と、前記一対の脚の各々の下端部分に保持された車輪と、前記一対の脚の間又は前記一対の車輪の間を前記幅方向に延びる横渡部材と、前記横渡部材上に設けられた足掛部材と、を有するカート本体と、
前記カート本体に取り付けられたかご部材と、を備え、
前記かご部材は、収容部を形成するかご本体部と、前記かご本体部から延び出し前記かご本体部を前記カート本体に取り付ける取り付け部材と、を有し、
前記横渡部材と前記足掛部材との間に前記取り付け部材の通過経路が形成されている、手押しカート。 - 前記足掛部材は、前記幅方向に沿って延び、前記幅方向において前記横渡部材の全長の一部分上に設けられ、前記幅方向からの観察において前記横渡部材の全周の一部分上に設けられている、請求項1に記載の手押しカート。
- 前記足掛部材は、前記幅方向からの観察において前記横渡部材の最も高い位置を上方から覆う、請求項1又は2に記載に手押しカート。
- 前記足掛部材は、前記幅方向における両端部分に位置し前記横渡部材に取り付けられた一対の第1部分と、前記幅方向における前記一対の第1部分の間に位置し前記横渡部材との間に前記通過経路を形成する第2部分と、を含む、請求項1~3のいずれか一項に記載の手押しカート。
- 前記足掛部材は、前記第2部分において前記第1部分よりも前記横渡部材から隆起している、請求項4に記載の手押しカート。
- 前記足掛部材は、前記横渡部材を覆う板状部と、前記第1部分において前記板状部から前記横渡部材に向けた突出した第1リブと、を有し、
前記第1リブは、その先端において、前記横渡部材に接触している、請求項4又は5に記載の手押しカート。 - 前記第1リブは、前記幅方向に延びる第1横リブと、前記幅方向からの観察において前記横渡部材に向けて突出した第1リブと、を有し、
前記第1リブは、その先端において、前記横渡部材に接触している、請求項6に記載の手押しカート。 - 前記足掛部材は、前記横渡部材を覆う板状部と、前記第2部分において前記板状部から前記横渡部材に向けた突出した第2リブと、を有し、
前記第2リブは、前記幅方向からの観察において前記横渡部材の外面に沿って、前記横渡部材から離間しながら、延びる第2縦リブを含む、請求項4~7のいずれか一項に記載の手押しカート。 - 前記第2縦リブの前記板状部からの突出高さは、前記横渡部材の前記外面に沿った両端部分において、両端に向けてしだいに低くなる、請求項8に記載の手押しカート。
- 前記幅方向に離間して複数の第2縦リブが設けられ、
前記複数の第2縦リブの配列ピッチは、前記取り付け部材の幅よりも小さい、請求項8又は9に記載の手押しカート。 - 前記足掛部材は、前記第1部分において前記板状部から前記横渡部材に向けた突出した第1リブを更に有し、
前記第1リブは、前記幅方向からの観察において前記横渡部材の外面に沿って延びる複数の第1縦リブを含み、
前記複数の第1縦リブは、前記幅方向に離間して配置され、
前記幅方向に離間して複数の第2縦リブが設けられ、
前記複数の第2縦リブの配列ピッチは、前記複数の第1縦リブの配列ピッチよりも小さい、請求項8~10のいずれか一項に記載の手押しカート。 - 前記第2リブは、前記幅方向に延びる第2横リブを更に含む、請求項8~11のいずれか一項に記載の手押しカート。
- 前記横渡部材は、前記板状部が設けられる領域に、外面が平面となっている平面部と、外面が曲面となっている曲面部と、を含み、
前記第2横リブの先端は、前記平面部と前記曲面部との線状の接続部に沿って、延びている、請求項12に記載の手押しカート。 - 前記板状部は、幅方向における両端に位置する一対の対の側縁部と、前記一対の側縁部の間を連結する第1縁部および第2縁部と、を含み、
前記第1縁部及び前記第2縁部の少なくとも一方に、前記第2部分において、凹部が設けられている、請求項6~13のいずれか一項に記載の手押しカート。 - 前記板状部は、幅方向における両端に位置する一対の対の側縁部と、前記一対の側縁部の間を連結する第1縁部および第2縁部と、を含み、
前記第1縁部および第2縁部は、前記第2部分と、前記第1部分のうちの前記第2部分に隣接する部分を少なくとも含む領域と、において、前記横渡部材から離間している、請求項6~14のいずれか一項に記載の手押しカート。
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PCT/JP2020/048638 WO2022137484A1 (ja) | 2020-12-25 | 2020-12-25 | 手押しカート |
CN202080108108.6A CN116802108A (zh) | 2020-12-25 | 2020-12-25 | 手推车 |
JP2021541181A JP6973843B1 (ja) | 2020-12-25 | 2020-12-25 | 手押しカート |
KR1020237025489A KR20230124718A (ko) | 2020-12-25 | 2020-12-25 | 푸시 카트 |
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PCT/JP2020/048638 WO2022137484A1 (ja) | 2020-12-25 | 2020-12-25 | 手押しカート |
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KR (1) | KR20230124718A (ja) |
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Citations (2)
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JPS54123566U (ja) * | 1978-02-18 | 1979-08-29 | ||
JPS5566864U (ja) * | 1978-10-31 | 1980-05-08 |
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JP6785163B2 (ja) | 2017-01-17 | 2020-11-18 | ニューウェルブランズ・ジャパン合同会社 | 双輪およびそれを備えた乳母車 |
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- 2020-12-25 JP JP2021541181A patent/JP6973843B1/ja active Active
- 2020-12-25 CN CN202080108108.6A patent/CN116802108A/zh active Pending
- 2020-12-25 KR KR1020237025489A patent/KR20230124718A/ko unknown
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS54123566U (ja) * | 1978-02-18 | 1979-08-29 | ||
JPS5566864U (ja) * | 1978-10-31 | 1980-05-08 |
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CN116802108A (zh) | 2023-09-22 |
JPWO2022137484A1 (ja) | 2022-06-30 |
KR20230124718A (ko) | 2023-08-25 |
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