WO2014061296A1 - 乳母車 - Google Patents
乳母車 Download PDFInfo
- Publication number
- WO2014061296A1 WO2014061296A1 PCT/JP2013/060356 JP2013060356W WO2014061296A1 WO 2014061296 A1 WO2014061296 A1 WO 2014061296A1 JP 2013060356 W JP2013060356 W JP 2013060356W WO 2014061296 A1 WO2014061296 A1 WO 2014061296A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wheel support
- support element
- front wheel
- baby carriage
- seat
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/004—Carriages supporting a hammock-style seat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
- B62B2205/20—Catches; Locking or releasing an articulation
- B62B2205/24—Catches; Locking or releasing an articulation to hold in the folded position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/064—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable the handle bar being parallel to the front leg
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- 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
- B62B9/102—Perambulator bodies; Equipment therefor characterized by details of the seat
- B62B9/104—Perambulator bodies; Equipment therefor characterized by details of the seat with adjustable or reclining backrests
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- 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
- B62B9/102—Perambulator bodies; Equipment therefor characterized by details of the seat
- B62B9/106—Perambulator bodies; Equipment therefor characterized by details of the seat with head guards
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- 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
- B62B9/14—Equipment protecting from environmental influences, e.g. Hoods; Weather screens; Cat nets
Definitions
- the present invention relates to a baby carriage that can be deformed between a use state and a folded state, and in particular, has a simple configuration and can effectively prevent a sheet from being soiled when folded and stored. Regarding baby carriages.
- EP1972522A2 discloses a baby carriage that can be deformed between a use state and a folded state.
- the baby carriage disclosed in Patent Document 1 includes a rear leg (6), a handlebar (4) rotatably attached to an upper end of the rear leg, and a front leg (2) rotatably attached to the handlebar. And cross members (8, 9) connecting the front legs (2) and the rear legs (6).
- the stroller rotates with respect to the rear leg so that the handlebar falls down to the rear side.
- a seat on which an infant is seated is normally supported by a handlebar or a support portion that performs the same operation as the handlebar during folding operation. Therefore, in the baby carriage disclosed in Patent Document 2, in a folded state in which the handle bar is tilted rearward, the surface of the seat that comes into contact with the infant is exposed outward. For this reason, when the baby carriage is folded and stored, the sheet is likely to become dirty due to foreign matters or the like adhering to the sheet.
- the present invention has been made in consideration of the above points, and provides a baby carriage that has a simple configuration and can effectively suppress the contamination of the seat when folded and stored. For the purpose.
- the stroller disclosed in EP1972522 (CN10129667) is arranged at a position where the front wheel and the rear wheel are separated in the folded state.
- Such a baby carriage cannot be made to stand stably in a folded state.
- the handleability of the folded baby carriage was poor, and the storage space required for the folded baby carriage was widened. It is more convenient if such a problem is solved by the baby carriage according to the present invention.
- the first baby carriage is: A stroller that is deformable between a use state and a folded state, A front wheel support element that supports the front wheel; A rear wheel support element connected to the front wheel support element so as to be relatively rotatable and supporting a rear wheel; A main link element connected to the front wheel support element in a relatively rotatable manner; A connecting link element extending between the main link element and the rear wheel support element and rotatable relative to each of the main link element and the rear wheel support element.
- the connecting link element is Of the main link element, it is pivotally attached to a portion that is lower in the use state than the center of relative rotation with the front wheel support element, and Of the rear wheel support elements, the extension may be rotatably attached to an extension portion that is on the side farther from the rear wheel than the center of relative rotation with the front wheel support element.
- the first baby carriage according to the present invention may further include a handle connected to the main link element so as to be relatively rotatable.
- the main link element may constitute a handle.
- a portion of the main link element extending from the center of relative rotation with the front wheel support element in the use state is a front side.
- the main link element is rotated with respect to the front wheel support element so as to fall down, and a portion of the main link element that has been extended from the center of relative rotation with the front wheel support element in the use state is You may make it approach a front-wheel support element.
- the front wheel support element and the rear wheel support element rotate relative to each other so that the front wheel and the rear wheel approach each other when deformed from the use state to the folded state. Also good.
- the main link element is a portion of the front wheel support element that is positioned between a position of the front wheel support element that supports the front wheel and a center of relative rotation of the front wheel support element and the main link element. Can be engaged, Relative rotation between the main link element and the front wheel support element may be restricted by engaging the main link element and the portion of the front wheel support element.
- the front wheel support element has a front leg member extending at least between a center of relative rotation with the main link element and a position for supporting the front wheel, and a connection member provided on the front leg member,
- the rear wheel support element is rotatably attached to the connection member,
- the main link element can be engaged with the connection member, and the relative rotation between the main link element and the front wheel support element is restricted by the engagement of the main link element and the front wheel support element. You may be made to do.
- a seat support plate that faces the buttocks of an infant who rides on the baby carriage may be provided, and the connecting link element may be formed by a seat support plate.
- a pair of main link elements are provided on both sides of the seat support plate
- a pair of the rear wheel support elements are provided on both sides of the seat support plate
- a pair of front wheel support elements are provided on both sides of the seat support plate
- Both side portions of the seat support plate constitute the coupling link element, and are connected to the corresponding main link element and rear wheel support element in a relatively rotatable manner
- Each front wheel support element may be connected to the corresponding main link element and rear wheel support element so as to be relatively rotatable.
- a holding body is disposed to face a surface opposite to the side facing the flange of the seat support plate, and between the holding body and the seat support plate, An accommodation space opened at least rearward in the deployed state of the baby carriage may be formed.
- a handle may be provided at a rear portion of the seat support plate.
- the handle may protrude upward from the seat support plate in a folded state of the baby carriage.
- a luggage hook may be provided on the seat support plate.
- the first baby carriage according to the present invention further comprises a seat having a seat, a back connected to the seat, and a side wall provided on the side of the seat and the back,
- the rear wheel support element has an extending part that extends beyond the center of relative rotation with the front wheel support element and extends to the side opposite to the side supporting the rear wheel
- the side wall portion of the seat may be attached to the extension portion and a portion of the main link element that extends in the use state from a center of relative rotation with the front wheel support element.
- the second baby carriage is: A baby carriage that can be deformed between a use state and a folded state, A front wheel support element that supports the front wheel; A rear wheel support element that supports a rear wheel and is rotatable relative to the front wheel support element; A handle rotatable relative to the front wheel support element and the rear wheel support element, When deforming from the use state to the folded state, the handle rotates with respect to the front wheel support element so that the handle is tilted forward, the handle and the front wheel support element approach each other, and the front wheel and the The front wheel support element and the rear wheel support element relatively rotate so that the rear wheels approach each other.
- the second baby carriage according to the present invention further comprises a seat having a seat, a back connected to the seat, and a side wall provided on the side of the seat and the back,
- the rear wheel support element has an extending part that extends beyond the center of relative rotation with the front wheel support element and extends to the side opposite to the side supporting the rear wheel
- the side wall portion of the seat may be attached to the extending portion and a portion of the handle that extends in a state of use from a center of relative rotation with the front wheel support element.
- the first or second baby carriage according to the present invention further includes a seat having a seat portion and a back portion connected to the seat portion,
- the rear wheel support element has an extending part that extends beyond the center of relative rotation with the front wheel support element and extends to the side opposite to the side supporting the rear wheel,
- the sheet may be supported by the extending portion.
- an angle formed by a portion supporting the seat of the extension portion with respect to the front-rear direction is the rear of the rear wheel support elements.
- the portion located between the position for supporting the wheel and the relative rotation center of the front wheel support element may be smaller than the angle formed with respect to the front-rear direction.
- the extending portion may be bent so that an angle formed with respect to the front-rear direction becomes smaller on the front side when viewed from the side.
- the front wheel support element and the rear wheel support element in the side view of the folded state, can be rotated relative to each other with the front wheel and the rear wheel in contact with the grounding surface. May be located between the ground contact position of the front wheel and the ground contact position of the rear wheel in a direction along the ground contact surface.
- the baby carriage may be independent in the folded state.
- the baby carriage has a simple configuration, and when the baby carriage is folded and stored, it is possible to effectively prevent the seat from becoming dirty.
- FIG. 1 is a perspective view for explaining an embodiment of the present invention and showing a baby carriage in use.
- FIG. 2 is a perspective view showing the baby carriage body of the baby carriage of FIG. 1 in use.
- FIG. 3 is a side view showing the baby carriage main body of FIG. 2 in use from the side.
- FIG. 4 is a partial perspective view showing the baby carriage body in use.
- FIG. 5 is a side view showing the baby carriage body in a folded state.
- FIG. 6 is a perspective view showing the baby carriage body in a folded state.
- FIG. 7 is a partial perspective view showing the baby carriage main body being deformed from the use state to the folded state.
- FIG. 8 is a cross-sectional view taken along line VIII-VIII in FIG. FIG.
- FIG. 9 is a diagram schematically showing the components of the baby carriage body in use from the side.
- FIG. 10 is a diagram schematically showing components of the baby carriage body in the folded state from the side.
- FIG. 11 is a perspective view corresponding to FIG. 2, and is a view showing a modified example of the baby carriage main body.
- FIG. 12 is a perspective view corresponding to FIG. 2 and showing another modified example of the baby carriage main body.
- FIG. 13 is a diagram corresponding to FIG. 9 and schematically showing the components of the baby carriage main body of FIG. 12 from the side.
- FIG. 14 is a perspective view corresponding to FIG. 1 and showing still another modification of the baby carriage body.
- 15 is a perspective view corresponding to FIG. 2 and showing the baby carriage body of FIG. 16 is a diagram corresponding to FIG.
- FIG. 17 is a side view corresponding to FIG. 5 and showing the baby carriage body of FIG. 15 in a folded state.
- 18 is a perspective view corresponding to FIG. 6 and showing the baby carriage body of FIG. 15 in a folded state.
- FIG. 1 shows an overall configuration of a baby carriage 10 according to an embodiment.
- the illustrated baby carriage 10 includes a baby carriage body 15 having a front wheel 21 and a rear wheel 31, a seat (seat unit) 70 attached to the baby carriage body 15, and a hood 75 to which the baby carriage body 15 is attached. ing.
- a seat (seat unit) 70 attached to the baby carriage body 15, and a hood 75 to which the baby carriage body 15 is attached. ing.
- an infant sits or sleeps on the seat 70.
- the seat 70 includes a seat portion 71, a back portion 72 that is connected to the seat portion 71 and is located behind the seat portion 71, and left and right side wall portions 73 that extend from the back portion 72 to both sides. is doing.
- the baby carriage 10 is generally symmetric with respect to a center plane in the width direction extending along the front-rear direction.
- the baby carriage 10 described here can be deformed between a use state (deployed state) and a folded state.
- the folded baby carriage 10 is reduced in size in the front-rear direction and the width direction as compared with the baby carriage 10 in use so as to have dimensions suitable for storage and the like.
- Many components of the baby carriage main body 15 are directly or indirectly connected so as to be rotatable relative to each other to enable folding.
- the seat 70 is formed using a flexible cloth material, a mesh material, or the like, and deforms between the use state and the folded state in accordance with the operation of the baby carriage body 15.
- the terms “front”, “rear”, “upper”, and “lower” for the baby carriage 10 and the baby carriage main body 15 are in a use state (deployed state) unless otherwise specified. It means “front”, “rear”, “upper” and “lower” with reference to infants riding in the car. Therefore, the “front-rear direction” corresponds to a direction connecting the lower left and the upper right of the page in FIG. Unless otherwise specified, “front” refers to the side on which the infant who rides faces, and the lower left side of the page in FIG. 1 is “front side”.
- the “vertical direction” is a direction orthogonal to the front-rear direction and orthogonal to the ground contact surface of the baby carriage 10.
- the “vertical direction” refers to the vertical direction.
- the “lateral direction” and the “width direction” are directions orthogonal to both the “front-rear direction” and the “up-down direction”.
- “right” and “left” also mean “right” and “left” in the lateral direction or width direction with respect to the infant riding in the baby carriage 10, respectively.
- the baby carriage main body 15 will be described in detail, and then the components attached to the baby carriage main body 15 will be described.
- the baby carriage main body 15 supports a front wheel support element 20 that rotatably supports a front wheel 21, a front wheel support element 20, and a rear wheel 31 that can rotate relative to the front wheel support element 20.
- the rear wheel support element 30 and the handle 50 that can rotate relative to the front wheel support element 20 and the rear wheel support element 30 are provided.
- the handle 50 includes a pair of main portions 51 arranged on the left and right sides and a connecting portion 52 that connects the pair of main portions 51.
- Each main portion 51 constitutes a main link element 40 that functions as a link material when the baby carriage body 15 is deformed between the use state and the folded state. That is, in the illustrated embodiment, the main link element 40 forms part of the handle 50.
- the baby carriage body 15 has a pair of front wheel support elements 20 connected to the corresponding main link element 40 so as to be relatively rotatable, and a corresponding front wheel support.
- a pair of rear wheel support elements 30 connected to the element 20 so as to be relatively rotatable are provided.
- the baby carriage 10 is a connecting link that extends between the corresponding main link element 40 and the rear wheel support element 30 and is rotatable relative to each of the corresponding main link element 40 and the rear wheel support element 30.
- An element 60 is further included.
- each front wheel support element 20 rotatably holds the front wheel 21 at the lower portion, particularly at the lower end in the illustrated example.
- Each front wheel support element 20 includes a front leg member 23 that functions as a front leg that rotatably supports the front wheel 21, and a first connection member 25 that is attached to an intermediate portion of the front leg member 23.
- the front leg member 23 extends at least from the position where the front wheel 21 is supported to the relative rotation center RC2 between the front wheel support element 20 and the main link element 40.
- the front leg member 23 supports the front wheel 21 at the lower end and is rotatably connected to the main link element 40 at the upper end.
- the front leg member 23 can be composed of, for example, a metal pipe such as an aluminum alloy, and a caster mechanism that is fixed to one end of the pipe and supports the wheel rotatably and pivotably.
- the first connecting member 25 is fixed to the front leg member 23.
- each front wheel support element 20 is pivotally connected to the rear wheel support element 30 located on the same side by a first connecting member 25.
- the first connection member 25 extends from the front leg member 23 along a plane extending in the front-rear direction.
- the rear wheel support element 30 is disposed on the inner side in the width direction with respect to the front wheel support element 20.
- the first connecting member 25 and the rear wheel support element 30 are pivoted by being penetrated by the shaft member 28. That is, in the illustrated example, the front wheel support element 20 and the rear wheel support element 30 are directly connected.
- the present invention is not limited to this example, and the front wheel support element 20 and the rear wheel support element 30 may be indirectly connected via other members.
- each rear wheel support element 30 rotatably holds the rear wheel 31 at the lower portion, particularly at the lower end in the illustrated example.
- Each rear wheel support element 30 has a rear leg member 33 that functions as a rear leg that rotatably supports the rear wheel 31.
- the rear leg member 33 extends at least from the position where the rear wheel 31 is supported to the relative rotation center RC1 between the front wheel support element 20 and the rear wheel support element 30.
- the rear leg member 33 can be composed of, for example, a metal pipe such as an aluminum alloy, and a holding mechanism that is fixed to one end of the pipe and holds the wheel rotatably.
- the rear leg member 33 supports the rear wheel 31 at the lower end and supports the rear wheel 31 beyond the relative rotation center RC1 between the wheel support element 20 and the rear wheel support element 30. It extends to the opposite side of the side. That is, the rear leg member 33 includes a rear leg portion 34 including a holding mechanism that rotatably supports the rear wheel 31, and a rear leg portion sandwiching a relative rotation center RC1 between the front wheel support element 20 and the rear wheel support element 30. And an extending portion 35 located on the opposite side to 34. As understood from FIGS. 1 and 9, a seat portion 71 of a seat 70 is attached to the extending portion 35. That is, in the illustrated form, the seat portion 71 of the seat 70 can be supported by the rear wheel support element 30. Therefore, a dedicated member for supporting the seat portion 71 of the seat 70 can be omitted. Thereby, the number of parts constituting the baby carriage 10 can be reduced, and the structure of the baby carriage 10 can be simplified and reduced in weight.
- the angle ⁇ a formed by the portion of the extension portion 35 that supports the seat with respect to the front-rear direction is the rear leg portion of the rear wheel support element 30. 34 is smaller than an angle ⁇ b formed with respect to the front-rear direction. According to such a configuration, the extending portion 35 effectively functions as a frame for supporting the seat portion 71, and the seat portion 71 can be supported in an appropriate direction.
- the extension portion 35 is bent so that the angle formed with respect to the front-rear direction becomes smaller on the front side in a side view of the baby carriage in use.
- the extending portion 35 is bent in a side view of the baby carriage in the use state, and has an extending end portion 36 and an extending base portion 37 across the bent portion.
- the extending base portion 37 is connected to the rear leg portion 34.
- the extension end portion 36 is connected to the extension base portion 37 from the front.
- the seat portion 71 of the seat 70 is attached to the extended end portion 36 having a small angle ⁇ a with respect to the front-rear direction.
- the main link element 40 constituting the main part 51 of the handle 50 will be described.
- the main link element 40 includes a main link portion 41 that constitutes a lower portion of the main portion 51 of the handle 50, and a second connection member 43 that is attached to the main link portion 41.
- the main link portion 41 may be formed of a substantially U-shaped material that forms the main portion 51 and the connecting portion 52 of the handle 50, for example, an aluminum alloy pipe.
- the second connection member 43 is fixed to the main link portion 41 of the main link element 40. As shown in FIG. 4, each main link element 40 is pivotally attached to the front wheel support element 20 located on the same side by a second connection member 43. In the illustrated example, the second connection member 43 extends from the main link portion 41 along a plane extending in the front-rear direction. The main link portion 41 and the front leg member 23 of the front wheel support element 20 connected via the second connection member 43 have the same arrangement position in the width direction.
- the second connection member 43 includes a main body portion 44 fixed to the main link portion 41 and a pair of support wall portions 45 extending from the main body portion 44 in the front-rear direction. .
- the front leg member 23 of the front wheel support element 20 is disposed between the pair of support wall portions 45.
- the front wheel support element 20 and the main link element 40 are pivoted by the shaft member 46 passing through the support wall portion 45 of the second connection member 43 and the front leg member 23 of the front wheel support element 20. That is, in the illustrated example, the front wheel support element 20 and the main link element 40 are directly connected.
- the present invention is not limited to this example, and the front wheel support element 20 and the main link element 40 may be indirectly connected via other members.
- the upper end portion of the front leg member 23 is disposed between the pair of support wall portions 45 and penetrated by the shaft member 46.
- an end member 24 is fitted into the upper end portion of the front leg member 23, and the end member 24 is held by a shaft member 46 together with the front leg member 23.
- the end member 24 has an arcuate outline in a side view. More specifically, the end member 24 is an arc centered at a position penetrated by the shaft member 46 of the front leg member 23 in a side view, in other words, the center of relative rotation between the front wheel support element 20 and the main link element 40. It has a contour extending along an arc centered on RC2.
- Such an end member 24 fills a gap between the upper end of the front leg member 23 and the main body 44 of the second connection member 43, and the front leg member 23 is at the time of relative rotation between the front wheel support element 20 and the main link element 40. It is possible to effectively prevent clothing or the like from being sandwiched between the upper end of the second connecting member 43 and the main body 44 of the second connecting member 43.
- the main link element 40 when the baby carriage 10 is in use, the main link element 40 is located at the position of the front wheel support element 20 that supports the front wheel 21 of the front wheel support element 20, the front wheel support element 20, and the main link element. It is possible to engage with a portion between 40 relative rotation centers RC2. Then, when the main link element 40 and the front wheel support element 20 are engaged, the relative rotation between the main link element 40 and the front wheel support element 20 is restricted. More specifically, when the baby carriage 10 is in use, the upper portion of the front wheel support element 20 and the lower portion of the main link element 40 extend substantially parallel to each other at both ends of a region extending parallel to each other. Thus, the front wheel support element 20 and the main link element 40 can be connected to each other. The front wheel support element 20 and the main link element 40 are connected to each other so that relative rotation between the main link element 40 and the front wheel support element 20 is restricted.
- the baby carriage main body 15 can be deformed between a use state and a folded state by relatively rotating each component.
- the main link element 40 and the front wheel support element 20 that extend along each other can be connected to each other at two locations spaced along the longitudinal direction thereof.
- the relative rotation of the element 40 and the front wheel support element 20 can be stably regulated, and the baby carriage 10 can be stably maintained in the use state.
- the lower part of the main link element 40 in particular the lower end part of 40, can be engaged with the first connecting member 25 of the front wheel support element 20.
- the front wheel support element 20 and the main link element 40 are connected by the second connection member 43 of the main link element 40 and the first connection member 25 of the front wheel support element 20.
- the first connection member 25 of the front wheel support element 20 is responsible for both the connection with the rear wheel support element 20 and the engagement with the main link element 40. For this reason, the number of parts which comprise the baby carriage 10 can be reduced, and the structure of the baby carriage can be simplified and reduced in weight.
- a protruding portion 42 is provided at the lower end of the main link portion 41 of the main link element 40.
- the protruding portion 42 is urged so as to protrude from the lower end of the main link portion 41.
- the projecting portion 42 is connected to an operation piece 41a provided at the lower end portion of the main link portion 41. By sliding the operation piece 41a with respect to the main link portion 41, the projecting portion 42 is connected to the main link portion 41. 41 can be immersed.
- a cylindrical portion 26 is formed in the first connection member 25 of the front wheel support element 20. As shown in FIG.
- the cylindrical portion 26 has a distal end opened to define a receiving hole 27 that receives the protruding portion 42.
- the protrusion 42 of the main link element 40 is fitted into the receiving hole 27 of the first connection member 25, thereby restricting relative rotation between the front wheel support element 20 and the main link element 40.
- the configuration for engaging the front wheel support element 20 and the main link element 40 is not limited to the example described here, and may be configured in various forms.
- the operation piece 41a is only an example as a means for operating the protrusion part 42, and can be changed suitably.
- a remote control means for operating the protruding portion 42 is provided in the connecting portion 52 of the handle 50, and the operation of the remote operating means is transmitted to the protruding portion 42 in the connecting portion 52 and the main portion 51 of the handle 50.
- a transmission means (for example, a wire) may be provided.
- the connecting link element 60 will be described. 4 and 7, the right connecting link element 60 extends between the main link element 40 and the rear wheel support element 30 arranged on the right side, and the main link element 40 and the rear Relative rotation with respect to each of the wheel support elements 30 is possible.
- the connecting link element 60 on the left side extends between the main link element 40 and the rear wheel support element 30 arranged on the left side, and is relative to each of the main link element 40 and the rear wheel support element 30. It can be turned. Therefore, in the present embodiment, the main link element 40 is indirectly connected to the rear wheel support element 30 via the connecting link element 60 so as to be rotatable.
- the connecting link element 60 may be composed of a metal plate, for example.
- each connecting link element 60 is firstly connected between the rear wheel support element 30 and the front wheel support element 20 of the rear wheel support element 30.
- the relative rotation center RC1 is rotatably attached to an extending portion 35 that is on the side farther from the rear wheel 31. More specifically, the connecting link element 60 is pivotally attached to the rear portion of the extending end portion 36 of the extending portion 35 via the shaft member 61. Therefore, in the side view of the baby carriage 10 in use, the relative rotation center RC3 between the rear wheel support element 30 and the connecting link element 60 is greater than the relative rotation center RC1 between the rear wheel support element 30 and the front wheel support element 20. Is also located forward and upward.
- each connecting link element 60 is provided in the main link portion 41 of the main link element 40 in the side view of the baby carriage 10 in use.
- the front wheel support element 20 and the main link element 40 are rotatably attached to a portion below the relative rotation center RC2. More specifically, the connecting link element 60 is pivotally attached to the portion below the position where the second connecting member 43 of the main link portion 41 is attached, via a shaft member 62.
- the relative rotation center RC4 between the main link element 40 and the connection link element 60 is behind the relative rotation center RC3 between the rear wheel support element 30 and the connection link element 60. positioned.
- the baby carriage body 15 includes, as members extending in the lateral direction (width direction), a first front connection member 65 and a second front connection member 66 that connect the front leg members 23 of the pair of front wheel support elements 20, and a pair of rear wheels. And a rear connecting member 67 that connects the rear legs 34 of the support element 30.
- the 2nd front side connection member 66 functions as a footrest.
- the pair of front wheel support elements 20, the pair of rear wheel support elements 30, the pair of main link elements 40, and the pair of connection link elements 60 are used and folded by these members, respectively. When deforming between the two, they are kept in a state of being spaced apart at a constant interval.
- the baby carriage main body 15 having the overall configuration as described above can be folded from the use state to the folded state by relatively rotating each component. Specifically, first, by operating the operation piece 41a, the engagement between the protruding portion 42 of the main link element 40 and the receiving hole 27 of the front wheel support element 20 is released. By this operation, the front wheel support element 20 and the main link element 40 can be rotated relative to each other.
- a portion of the main link element 40 extending from the relative rotation center RC ⁇ b> 2 with the front wheel support element 20 in the use state that is, positioned above the relative rotation center RC ⁇ b> 2.
- the main link element 40 is rotated with respect to the front wheel support element 20 in such a direction that the portion that is being tilted forward.
- a portion of the main link element 40 that has been extended from the relative turning center RC ⁇ b> 2 with the front wheel support element 20 in the use state approaches the rear wheel support element 20.
- the end portion (upper end portion) of the main link element 40 on the side away from the front wheel 21 in the usage state approaches the front wheel 21.
- the connecting portion 52 of the handle 50 approaches the front wheel 21 of the front wheel support element 20 from the front side.
- the rear wheel support element 30 connected to the main link element 40 via the connecting link element 60 also operates with respect to other components.
- the connecting link element 60 rotates in a portion of the main link element 40 that is lower than the relative rotation center RC2 between the front wheel support element 20 and the main link element 40 in the usage state of the baby carriage 10.
- the rear wheel support element 30 which is movably attached to the extension portion 35 on the side farther from the rear wheel 31 than the relative rotation center RC 1 between the rear wheel support element 30 and the front wheel support element 20. It is attached so that it can rotate.
- the baby carriage main body 15 can be folded so that the main link element 60, the front wheel support element 20 and the rear wheel support element 40 approach each other.
- the size of the baby carriage main body 15 can be reduced in both the front-rear direction and the vertical direction.
- the front wheel support element 20 and the rear wheel support element 30 rotate relative to each other so that the front wheel 21 and the rear wheel 31 approach each other along the front-rear direction.
- the baby carriage body 15 (the baby carriage 10) in a folded state can be made independent by grounding the front wheel 21 and the rear wheel 22.
- the front wheel support element 20 and the rear wheel support element 30 are relative to each other in a state in which the front wheel 21 and the rear wheel 31 are in contact with the ground contact surface in a side view of the baby carriage main body 15 in the folded state.
- the rotation center RC1 is in the direction along the contact surface (that is, the front-rear direction), the contact position of the front wheel 21 (that is, the rotation center of the front wheel 21) and the contact position of the rear wheel 31 (that is, the rotation center of the rear wheel 31). It can be located between. According to such a form, the baby carriage main body 15 (the baby carriage 10) in the folded state can be made more stable and independent.
- an engaging claw (engaging piece) 47 that can be elastically deformed is formed by a part of the second connecting member 43 on the left side. As shown in FIGS. 1 to 3, the engaging claw 47 is located above the main body portion 44 of the second connecting member 43 and is separated from the front wheel support element 20 when the baby carriage 10 is in use.
- the engagement claw 47 is positioned below the main body 44 of the second connection member 43 as shown in FIG. 5. Then, as shown in FIG. 8, it engages with the upper part of the front leg member 23 of the front wheel support element 20.
- the engagement between the engagement pawl 47 and the front leg member 23 shown in FIG. 8 restricts the rotation of the front wheel support element 20 and the main link element 40, so that the baby carriage 10 is maintained in the folded state.
- the baby carriage main body 15 having the above-described configuration is provided with a hood 75 and a seat 70.
- the hood 75 has one or more hood bones 76 attached to the baby carriage main body 15 and a hood cloth 77 attached to the hood bone 76, and functions as an awning.
- the hood bone 76 is formed in a substantially U shape, and both ends of the substantially U shape are pivotally attached to the handle 50. As the hood bone 76 swings with respect to the handle 50, the hood 75 is opened and closed.
- the seat 70 includes a seat 71 supported by the extension 35 of the rear wheel support element 30, a back 72 extending rearward from the seat 71, and the seat 71 and the back 72. And a pair of side wall portions 73 provided on the side.
- the seat portion 71 mainly supports the buttocks of the infant riding on the baby carriage 10.
- the back part 72 comes to be disposed at a position facing the back of the infant.
- the side wall portions 73 are located on both sides of the baby who rides on the baby carriage 10.
- the front end portion of the seat portion 71 of the seat 70 is attached to the extension portion 35 of the rear wheel support element 30, and the upper end portion of the back portion 72 of the seat 70 is constituted by the main link element 40.
- a main part 51 of the handle 50 is attached.
- the surface of the seat back portion 72 facing the infant is It moves toward the surface of the seat seat 71 that faces the infant.
- the back surface of the seat 70 that does not face the infant is more exposed than the front surface of the seat 70 that faces the infant.
- the surface of the seat seat 71 can be faced close to the surface of the seat back 72, and the other surface of the seat back 72 is folded in the front-rear direction. 10 inclines so as to incline so as to face downward in the vertical direction.
- the side wall portion 73 of the seat 70 extends from the relative rotation center RC2 between the extension portion 35 and the front wheel support element 20 of the main link element 40 in a use state, That is, it is attached to the main portion 51 of the handle 50.
- a force is applied to the baby carriage 10 to relatively rotate the rear wheel support element 30 in a direction in which the rear wheel 31 is separated from the front wheel 21 in the front-rear direction.
- such an external force can be received not only by the connecting link element 60 but also by the side wall portion 73 of the seat 70.
- the side wall portion 73 of the seat 70 functions as a member for maintaining the relative position of the rear wheel support element 30 with respect to the main link element 40 and the front wheel support element 20 in the usage state of the baby carriage 10, thereby improving the rigidity of the baby carriage 10. Can be made. Therefore, according to such a side wall portion 73 of the seat 70, it is possible to suppress the occurrence of bending or the like while the baby carriage 10 is traveling.
- the side wall portion 73 has a belt-like member 73 a that forms an edge portion on the side separated from the seat portion 71 and the back portion 72.
- the belt-like member 73 a is configured to have a higher tensile strength than the other portions of the side wall portion 73.
- this belt-like member 73a is attached to the main part 51 of the handle 50 formed by the extension part 35 of the rear-wheel support element 30 and the main link element 40 as well shown in FIG.
- the rigidity of 10 can be effectively improved.
- the handle 50 and the front wheel support element 20 when the handle 50 and the front wheel support element 20 are deformed from the use state to the folded state, the handle 50 and the front wheel support element 20 are rotated with respect to the front wheel support element 20 so as to fall forward.
- the front wheel support element 20 and the rear wheel support element 30 rotate relative to each other so that the front wheel 21 and the rear wheel 31 approach each other. Therefore, the baby carriage 10 can be folded such that the main link element 40, the front wheel support element 20 functioning as a front leg, and the rear wheel support element 30 functioning as a rear leg approach each other.
- the folding size of the baby carriage 10 can be reduced in both the front-rear direction and the vertical direction.
- the back portion 72 of the seat 70 on which the infant is seated or supine is supported directly or indirectly by the main link element 40 and operates together with the main link element 40, whereby the surface of the seat back portion 72 that faces the infant.
- the back surface of the seat 70 that does not face the infant is more exposed than the front surface of the seat 70 that faces the infant.
- the surface of the seat seat portion 71 comes close to the surface of the seat back portion 72 and the other surface of the seat back portion 72 faces the inside of the stroller 10 in the folded state in the front-rear direction.
- front wheel support element 20 and the rear wheel support element 30 rotate relative to each other so that the front wheel 21 and the rear wheel 31 approach each other, the front wheel 21 and the rear wheel 31 are brought into contact with the ground and the stroller 10 in the folded state can be stabilized. It becomes possible to be independent. Therefore, the storage space of the baby carriage 10 can be saved.
- the handle 50 has a pair of main portions 51 and a connecting portion 52 that connects the pair of main portions 51, and an example in which the handle 50 is formed in a substantially U shape has been shown. Not limited to.
- the handle 50 may be composed of a pair of main portions 51 and a grip portion attached to an end portion of each main portion 51.
- a pair of rear wheel support elements 30 may be connected to each other via a connecting portion 39 at an upper portion thereof, in other words, at a front portion thereof.
- a connecting portion 39 can improve the rigidity of the baby carriage main body 15 and also functions as a portion that supports the seat portion 71 of the seat 70. Thereby, driving
- the connecting portion 39 extends between the upper ends (front ends) of the pair of rear wheel support elements 30.
- the connection part 39 is integrally formed with the rear leg member 33 of the rear-wheel support element 30 from metal pipes, such as an aluminum alloy bent in the U-shape, for example.
- remote operation means 54 for releasing the engagement between the front wheel support element 20 and the main link element 40 is provided in the connecting portion 52 of the handle 50.
- Transmitting means for example, a wire
- the projecting portion 42 can be operated by the remote control means 54.
- the front wheel support element 20 and the main link element 40 are disposed on the outermost side in the width direction, and the rear wheel support element 30 is disposed on the innermost side in the width direction.
- the connecting link element 60 is provided at a position between the rear wheel support element 30 and the main link element 40
- the present invention is not limited to this.
- the front wheel support element 20 and the main link element 40 are arranged at the outermost side in the width direction, and the connecting link element 60 is arranged at the innermost side in the width direction.
- the rear wheel support element 30 may be provided at a position between the link element 40 and the connecting link element 60.
- the connecting link element 60 includes a connection extension part 60 b extending from the lower part of the main link element 40 along the width direction, and a connection extension part 60 b. And a main body portion 60a connected to the extending portion 35 of the rear wheel support element 30.
- the main body portion 60a extends in the front-rear direction, and the extended portion 35 of the rear wheel support element 30 connected to the main body portion 60a is between the main body portion 60a of the connecting link element 60, the front wheel support element 20 and the main link element 40. Is located. Therefore, the connection extension part 60b extends in the width direction from the main link element 40 by at least the length corresponding to the thickness of the extension part 35 of the rear wheel support element 30.
- the rear leg member 33 of the rear wheel support element 30 is curved or bent at the intermediate part of the rear leg part 34.
- a portion of the rear leg portion 34 that holds the rear wheel 31 is positioned outward in the width direction with respect to the extending portion 35. According to this example, traveling of the baby carriage 10 can be further stabilized.
- a handle 55 may be provided as a separate component from the main link element 40.
- the baby carriage body 15 of the baby carriage 10 shown in FIGS. 12 and 13 includes a front wheel support element 20, a rear wheel support element 30, a connection link element 60, a first front connection member 65, a second front connection member 66, and a rear connection.
- a main body frame 16 having a member 67 and a handle 55 rotatably connected to the main body frame 16 are provided.
- the handle 55 is formed in a substantially U shape.
- the handle 55 is pivotally connected to the main body frame 16 at both ends of the substantially U-shape.
- the handle 55 swings with respect to the main body frame 16 to face-to-face pressing position (front position) indicated by a solid line in FIGS. 12 and 13 and back pressing position (rear position) indicated by a two-dot chain line in FIGS. ) And move between.
- the main body frame 16 is provided with means (not shown) for engaging with the handle 55 to lock the handle 55 in the facing pressing position.
- the main link element 40 of the main body frame 16 is provided with means (not shown) for engaging with the handle 55 and locking the handle 55 in the back pushing position.
- the handle 55 By fixing the handle 55 to the main link element 40 in the back pushing position, the handle 55 is rotated with respect to the front wheel support element 20 and the rear wheel support element 30 together with the main link element 40 as in the above-described embodiment. By doing so, the baby carriage 10 can be deformed between the use state and the deployed state.
- the seat 70 can be effectively prevented from being stained.
- the folding size of the baby carriage 10 can be reduced.
- the handle 55 has a lower portion, particularly a lower end portion, of the front wheel support element 20 of the main link element 40 in the side view of the baby carriage 10 in use. Is pivotally attached to a portion below the relative rotation center RC2. More specifically, the rotation center between the handle 55 and the main link element 40 coincides with the relative rotation center RC4 between the main link element 40 and the connection link element 60. Accordingly, the shaft member 62 that pivotally attaches the rear wheel support element 30 and the connecting link element 60 described above further penetrates the handle 55, thereby pivotally attaching the handle 55 to the main link element 40 and the connecting link element 60. Can do.
- the baby carriage main body 15 may be provided with a seat holding mechanism 80, and the seat holding mechanism 80 may support the back portion 72 of the seat 70.
- the seat holding mechanism 80 includes a main support frame 81 connected to the baby carriage body 15, an upper support frame 82 connected to the main support frame 81 so as to be swingable, and a main support frame 81.
- a pair of side support frames 83 disposed on both sides of the support frame 81.
- the upper support frame 82 is swingably connected to the upper side of the main support frame 81, which is opposite to the connection portion to the baby carriage body 15.
- the main support frame 81 has a substantially U-shape with both ends connected to the baby carriage body 15.
- the rotation center of the main support frame 81 with respect to the baby carriage body 15 coincides with the relative rotation center RC ⁇ b> 4 between the main link element 40 and the connecting link element 60.
- the side support frame 83 functions as a link member, and raises the upper support frame 82 from the main support frame 81 when the main support frame 81 is tilted with respect to the extending portion 35 of the rear wheel support element 30.
- the upper support frame 82 extends substantially along the surface defined by the main support frame 81.
- the upper support frame 82 is tilted.
- Each side support frame 83 is connected to each of the baby carriage body 15 and the upper support frame 82 so as to be relatively rotatable. In the example shown in FIGS. 12 and 13, the rotation center of the side support frame 83 with respect to the baby carriage body 15 coincides with the relative rotation center RC ⁇ b> 2 between the main link element 40 and the front wheel support element 20.
- a reclining adjustment belt 84 fixed to the left and right main link elements 40 is disposed on the back side of the main support frame 81 (the reclining adjustment belt 84 is omitted in FIG. 12). is doing). Then, by adjusting the length of the reclining adjustment belt 84, the angle of the main support frame 81 that supports the back portion 72 of the seat 70 with respect to the extension portion 35 of the rear wheel support element 30 that supports the seat surface portion 55 of the seat 50, That is, the reclining angle can be adjusted.
- the back portion 72 of the seat 70 supported by the seat holding mechanism 80 has the reclining tension belt 84 and the like.
- the main link element 40 that supports the sheet holding mechanism 80 can be operated. Therefore, it is possible to obtain the same operational effects as those of the above-described embodiment. For example, when the stroller 10 in the folded state is stored, the dirt of the seat 70 can be effectively prevented.
- the main support frame 81 and the reclining adjustment belt 84 shown in FIGS. Only the baby carriage main body 15 may be provided.
- Such a stroller 10 can provide the same effects as those of the above-described embodiment.
- the seat 70 when the folded stroller 10 is stored, the seat 70 can be effectively prevented from being soiled. it can. 14 to 18 show the same baby carriage main body 15, the main support frame 81 is omitted in FIGS. 17 and 18, and the reclining adjustment belt 84 is shown only in FIG. Has been.
- a seat support plate 63 is provided at a position facing the buttocks of the baby who rides on the baby carriage 10, and the seat support plate 63 forms the connecting link element 60.
- the seat support plate 63 is formed in a plate shape and supports the buttocks of the infant with a surface from below.
- through holes may be formed in the seat support plate 63 from the viewpoint of weight reduction and air permeability.
- the seat support plate 63 extends in the width direction between the pair of main link elements 40, the pair of front wheel support elements 20, and the pair of rear wheel support elements 30. As can be understood from FIGS. 15 and 16, both side portions of the seat support plate 63 constitute the connecting link element 60, and the shaft member 62 is attached to the main link portion 41 of the main link element 40 on the corresponding side. And is pivotally attached to the rear leg member 33 of the corresponding rear wheel support element 30 using a shaft member 61.
- the seat support plate 63 is connected to the main link element 40 at the rear portion thereof.
- the seat support plate 63 includes a plate-like main body 63a and a protruding support 63b that protrudes downward from the main body 63a when the baby carriage main body 15 is deployed.
- the seat support plate 63 is connected to the rear wheel support element 30 at the protruding support 63b.
- the rotation center RC4 is disposed at the same position as in the above-described embodiment. Therefore, the stroller 10 shown in FIGS. 14 to 18 can be folded in the same manner as the stroller in the above-described embodiment, and the same operational effects as the stroller in the above-described embodiment can be achieved. .
- the rear leg member 33 that forms the rear wheel support element 30 does not extend forward from the pivot point with the seat support plate 63. That is, unlike the embodiment described above, the stroller 10 shown in FIGS. 14 to 18 is not provided with the extending portion 35 that supports the seat portion 71 of the seat 70. Therefore, in the baby carriage 10 shown in FIGS. 14 to 18, the seat portion 71 of the seat 70 is supported by the front portion of the main body portion 63a of the seat portion support plate 63, and as described above, the back portion 72 of the seat 70. Is supported by the main support frame 81.
- the rigidity of the baby carriage body 15 can be greatly improved. Moreover, since the structure of the baby carriage main body 15 is simplified, the folding operation of the baby carriage main body 15 and the operation of unfolding the baby carriage main body 15 can be performed smoothly. Furthermore, since the structure for supporting the infant from below is stable, the infant can be stably placed in the baby carriage 10 in an appropriate posture. Furthermore, since the seat 71 of the seat 70 can be supported in the region extending in the width direction, the amount of deformation of the seat 70 between the expanded state and the folded state can be reduced.
- a holding body 86 is provided so as to face the surface of the seat support plate 63 opposite to the side facing the infant.
- the holding body 86 is formed using a flexible cloth material, mesh material, or the like.
- a housing space 87 is formed between the holding body 86 and the seat support plate 63 so as to open at least rearward in the deployed state of the baby carriage 10.
- the storage space 87 can be used as a space for storing small items such as blankets and towels. From this point of view, the holding body 86 may be formed of a stretchable material.
- the holding body 86 is connected to the seat support plate 63 or the seat 70 attached to the seat support plate 63 at both side edges and the front edge of the baby carriage 10 in the unfolded state. In this case, it can suppress that the thing accommodated in the accommodation space 87 falls from the accommodation space 87 unintentionally. As shown in FIGS. 17 and 18, the opening 87 a of the accommodation space 87 formed between the holding body 86 and the seat support plate 63 is opened upward in the folded state of the baby carriage 10. Therefore, the baby carriage 10 may be able to stand in a folded state, and the accommodation space 87 can be utilized even when the baby carriage 10 is folded.
- a handle 88 is provided at the rear portion of the seat support plate 63.
- the handle 88 becomes a handle of the baby carriage 10 when carrying the folded baby carriage 10.
- the handle 88 protrudes upward from the seat support plate 63 in a folded state of the baby carriage 10. Therefore, the handleability of the baby carriage 10 that can stand in a folded state can be further improved using the handle 88.
- the baggage is placed on the surface of the seat support plate 63 opposite to the side facing the infant.
- a hanging hook 89 may be provided.
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Abstract
Description
使用状態と折り畳み状態との間で変形可能とした乳母車であって、
前輪を支持した前輪支持要素と、
前記前輪支持要素と相対回動可能に接続され且つ後輪を支持する後輪支持要素と、
前記前輪支持要素と相対回動可能に接続された主リンク要素と、
前記主リンク要素と前記後輪支持要素との間を延び、且つ、前記主リンク要素と前記後輪支持要素とのそれぞれに対して相対回動可能な連結リンク要素と、を備える。
前記連結リンク要素は、
前記主リンク要素のうちの、前記前輪支持要素との相対回動中心よりも前記使用状態において下方となる部分に、回動可能に取り付けられ、且つ、
前記後輪支持要素のうちの、前記前輪支持要素との相対回動中心よりも前記後輪から離間する側となる延出部に、回動可能に取り付けられていてもよい。
前記主リンク要素は、前記前輪支持要素のうちの、前記前輪支持要素の前記前輪を支持する位置と、前記前輪支持要素および前記主リンク要素の相対回動中心と、の間に位置する部分と係合可能あり、
前記主リンク要素と前記前輪支持要素の前記部分とが係合することによって、前記主リンク要素と前記前輪支持要素との相対回動が規制されるようにしてもよい。
前記前輪支持要素は、前記主リンク要素との相対回動中心と前記前輪を支持する位置との間を少なくとも延びる前脚部材と、前記前脚部材に設けられた接続部材と、を有し、
前記後輪支持要素は、前記接続部材に回動可能に取り付けられ、
前記主リンク要素は、前記接続部材に係合可能で可能あり、前記主リンク要素と前記前輪支持要素とが係合することによって、前記主リンク要素と前記前輪支持要素との相対回動が規制されるようにしてもよい。
前記座部支持プレートの両側方に一対の前記主リンク要素が設けられ、
前記座部支持プレートの両側方に一対の前記後輪支持要素が設けられ、
前記座部支持プレートの両側方に一対の前記前輪支持要素が設けられ、
前記座部支持プレートの両側部が、それぞれ、前記連結リンク要素を構成し、対応する側の主リンク要素および後輪支持要素と相対回動可能に接続され、
各前輪支持要素が、対応する側の主リンク要素および後輪支持要素と相対回動可能に接続されていてもよい。
前記後輪支持要素は、前記前輪支持要素との相対回動中心を越えて、前記後輪を支持している側とは反対側に延び出した延出部を有し、
前記シートの前記側壁部は、前記延出部と、前記主リンク要素のうちの前記前輪支持要素との相対回動中心から前記使用状態において延び上がっている部分と、に取り付けられていてもよい。
使用状態と折り畳み状態との間を変形可能な乳母車であって、
前輪を支持した前輪支持要素と、
後輪を支持し、前記前輪支持要素と相対回動可能な後輪支持要素と、
前記前輪支持要素および前記後輪支持要素に対して相対回動可能なハンドルと、を備え、
前記使用状態から前記折り畳み状態へ変形する際、前記ハンドルが前側に倒れるように前記前輪支持要素に対して回動して、前記ハンドルおよび前記前輪支持要素が互いに接近し、且つ、前記前輪および前記後輪が互いに接近するように前記前輪支持要素および前記後輪支持要素が相対回動する。
前記後輪支持要素は、前記前輪支持要素との相対回動中心を越えて、前記後輪を支持している側とは反対側に延び出した延出部を有し、
前記シートの前記側壁部は、前記延出部と、前記ハンドルのうちの前記前輪支持要素との相対回動中心から前記使用状態において延び上がっている部分と、に取り付けられていてもよい。
前記後輪支持要素は、前記前輪支持要素との相対回動中心を越えて、前記後輪を支持している側とは反対側に延び出した延出部を有し、
前記延出部に前記シートが支持されていてもよい。
Claims (21)
- 使用状態と折り畳み状態との間で変形可能とした乳母車であって、
前輪を支持した前輪支持要素と、
前記前輪支持要素と相対回動可能に接続され且つ後輪を支持する後輪支持要素と、
前記前輪支持要素と相対回動可能に接続された主リンク要素と、
前記主リンク要素と前記後輪支持要素との間を延び、且つ、前記主リンク要素と前記後輪支持要素とのそれぞれに対して相対回動可能な連結リンク要素と、を備える、乳母車。 - 前記連結リンク要素は、
前記主リンク要素のうちの、前記前輪支持要素との相対回動中心よりも前記使用状態において下方となる部分に、回動可能に取り付けられ、且つ、
前記後輪支持要素のうちの、前記前輪支持要素との相対回動中心よりも前記後輪から離間する側となる延出部に、回動可能に取り付けられている、請求項1に記載の乳母車。 - 前記主リンク要素と相対回動可能に接続されたハンドルを、さらに備える、請求項1または2に記載の乳母車。
- 前記主リンク要素がハンドルを構成する、請求項1または2に記載の乳母車。
- 前記使用状態から前記折り畳み状態へ変形する際、前記主リンク要素のうちの前記前輪支持要素との相対回動中心から前記使用状態において延び上がっている部分が前側に倒れるように前記主リンク要素が前記前輪支持要素に対して回動して、前記主リンク要素のうちの前記前輪支持要素との相対回動中心から前記使用状態において延び上がっていた部分が前記前輪支持要素に接近する、請求項1~4のいずれか一項に記載の乳母車。
- 前記使用状態から前記折り畳み状態へ変形する際、前記前輪および前記後輪が互いに接近するように、前記前輪支持要素および前記後輪支持要素が相対回動する、請求項1~5のいずれか一項に記載の乳母車。
- 前記主リンク要素は、前記前輪支持要素のうちの、前記前輪支持要素の前記前輪を支持する位置と、前記前輪支持要素および前記主リンク要素の相対回動中心と、の間に位置する部分と係合可能あり、
前記主リンク要素と前記前輪支持要素の前記部分とが係合することによって、前記主リンク要素と前記前輪支持要素との相対回動が規制される、請求項1~6のいずれか一項に記載の乳母車。 - 前記前輪支持要素は、前記主リンク要素との相対回動中心と前記前輪を支持する位置との間を少なくとも延びる前脚部材と、前記前脚部材に設けられた接続部材と、を有し、
前記後輪支持要素は、前記接続部材に回動可能に取り付けられ、
前記主リンク要素は、前記接続部材に係合可能で可能あり、前記主リンク要素と前記前輪支持要素とが係合することによって、前記主リンク要素と前記前輪支持要素との相対回動が規制される、請求項1~7のいずれか一項に記載の乳母車。 - 乳母車に乗車する乳幼児の臀部に対面するようになる座部支持プレートが設けられ、
前記連結リンク要素は、座部支持プレートによって形成される、請求項1~8のいずれか一項に記載の乳母車。 - 前記座部支持プレートの両側方に前記主リンク要素がそれぞれ設けられ、
前記座部支持プレートの両側方に前記後輪支持要素がそれぞれ設けられ、
前記座部支持プレートの両側方に前記前輪支持要素がそれぞれ設けられ、
前記座部支持プレートの両側部が、それぞれ、前記連結リンク要素を構成し、対応する側の主リンク要素および対応する側の後輪支持要素と相対回動可能に接続され、
各前輪支持要素が、対応する側の主リンク要素および対応する側の後輪支持要素と相対回動可能に接続されている、請求項9に記載の乳母車。 - 前記座部支持プレートの乳幼児に対面する側とは反対側の面に対面して保持体が配置され、
前記保持体と前記座部支持プレートの間に、前記乳母車の展開状態において少なくとも後方に開口した、収容スペースが形成される、請求項9または10に記載の乳母車。 - 前記座部支持プレートの後方部分に取っ手が設けられている、請求項9~11のいずれか一項に記載の乳母車。
- 前記取っ手は、前記乳母車の折り畳み状態において前記座部支持プレートから上方に突出する、請求項12に記載の乳母車。
- 使用状態と折り畳み状態との間を変形可能な乳母車であって、
前輪を支持した前輪支持要素と、
後輪を支持し、前記前輪支持要素と相対回動可能な後輪支持要素と、
前記前輪支持要素および前記後輪支持要素に対して相対回動可能なハンドルと、を備え、
前記使用状態から前記折り畳み状態へ変形する際、前記ハンドルが前側に倒れるように前記前輪支持要素に対して回動して、前記ハンドルおよび前記前輪支持要素が互いに接近し、且つ、前記前輪および前記後輪が互いに接近するように前記前輪支持要素および前記後輪支持要素が相対回動する、乳母車。 - 座部と、前記座部と接続された背部と、を有したシートを、さらに備え、
前記後輪支持要素は、前記前輪支持要素との相対回動中心を越えて、前記後輪を支持している側とは反対側に延び出した延出部を有し、
前記延出部に前記シートが支持されている、請求項1~8及び14のいずれか一項に記載の乳母車。 - 使用状態における側面視において、前記延出部の前記シートを支持する部分が前後方向に対してなす角度は、前記後輪支持要素のうちの前記後輪を支持する位置と前記前輪支持要素との相対回動中心との間に位置する部分が前後方向に対してなす角度よりも小さい、請求項15に記載の乳母車。
- 前記延出部は、使用状態における側面視において、前後方向に対してなす角度が前側で小さくなるように曲がっている、請求項15または16に記載の乳母車。
- 座部と、前記座部と接続された背部と、前記座部および前記背部の側方に設けられた側壁部と、を有したシートを、さらに備え、
前記後輪支持要素は、前記前輪支持要素との相対回動中心を越えて、前記後輪を支持している側とは反対側に延び出した延出部を有し、
前記シートの前記側壁部は、前記延出部と、前記主リンク要素のうちの前記前輪支持要素との相対回動中心から前記使用状態において延び上がっている部分と、に取り付けられている、請求項1~8のいずれか一項に記載の乳母車。 - 座部と、前記座部と接続された背部と、前記座部および前記背部の側方に設けられた側壁部と、を有したシートを、さらに備え、
前記後輪支持要素は、前記前輪支持要素との相対回動中心を越えて、前記後輪を支持している側とは反対側に延び出した延出部を有し、
前記シートの前記側壁部は、前記延出部と、前記ハンドルのうちの前記前輪支持要素との相対回動中心から前記使用状態において延び上がっている部分と、に取り付けられている、請求項14に記載の乳母車。 - 前記折り畳み状態の側面視において、前記前輪および前記後輪が接地面に接地した状態で、前記前輪支持要素および前記後輪支持要素の相対回動中心は、前記接地面に沿った方向において前記前輪の接地位置と前記後輪の接地位置との間に位置する、請求項1~14のいずれか一項に記載の乳母車。
- 前記折り畳み状態において、前記乳母車が自立可能である、請求項1~20のいずれか一項に記載の乳母車。
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CN103085849A (zh) * | 2011-11-07 | 2013-05-08 | 康贝株式会社 | 婴儿车 |
WO2016012848A1 (de) * | 2014-07-23 | 2016-01-28 | Endepro Gmbh | Kinderwagen |
JP2016533967A (ja) * | 2013-09-13 | 2016-11-04 | ベイビーゼン | 新生児を運ぶのに適した折り畳み式ベビーカー |
CN112009548A (zh) * | 2019-05-31 | 2020-12-01 | 康贝株式会社 | 婴儿车 |
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CN104718122A (zh) | 2015-06-17 |
CN104718122B (zh) | 2018-05-29 |
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