# US 2014/0015228 A1 · Stroller

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2014/0015228 A1
- Document ID: US20140015228A1
- Status: Published application
- Kind: A1
- Application number: 13/712,466
- Filed: 2012-12-12
- Published: 2014-01-16
- Earliest claimed: 2012-07-10
- Assignees: Combi Corporation
- Applicants: Combi Corporation
- Inventors: TOSHIHIRO KIKUI
- Web page: https://patentgrep.com/patent/US20140015228A1

## CPC

- B62B 7/08: in the direction of, or at right angles to, the wheel axis
- B62B 7/008: {for two or more children}
- B62B 7/042: {Steering devices}
- B62B 3/008: {having more than two axes}
- B62B 2301/04: comprising a wheel pivotable about a substantially vertical axis, e.g. swivelling castors
- B62B: HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES (characterised by animal propulsion B62C; propulsion of sledges by driver or engine B62M)

## Abstract

A stroller (10) includes: a front leg (31); a middle leg (34) located rearward of the front leg; a rear leg (37) located rearward of the middle leg; a front-wheel holding mechanism (21) provided on the front leg; a middle-wheel holding mechanism (24) provided on the middle leg; and a rear-wheel holding mechanism (27) provided on the rear leg. The front-wheel holding mechanism is configured to rotatably and turnably hold a front wheel (22). The middle-wheel holding mechanism is configured to rotatably and unturnably hold a middle wheel (25). The rear-wheel holding mechanism is configured to rotatably and turnably hold a rear wheel (28).

## Claims

### Claim 1

A stroller comprising:
a front leg;
a middle leg located rearward of the front leg;
a rear leg located rearward of the middle leg;
a front-wheel holding mechanism provided on the front leg, the front-wheel holding mechanism being configured to rotatably and turnably hold a front wheel;
a middle-wheel holding mechanism provided on the middle leg, the middle-wheel holding mechanism being configured to rotatably and unturnably hold a middle wheel; and
a rear-wheel holding mechanism provided on the rear leg, the rear-wheel holding mechanism being configured to rotatably and turnably hold a rear wheel,
wherein the stroller is capable of letting babies ride thereon in such a manner that the babies are seated in a back to front direction.

### Claim 2 (depends on 1)

The stroller according to claim 1, further comprising:
a handle;
a first link element pivotably joined, at a rear portion thereof, to the handle, and pivotably joined, at a front portion thereof, to the front leg;
a second link element pivotably joined to a front portion of a fourth link element, and pivotably joined to an intermediate portion of the first link element;
a third link element pivotably joined, at a rear portion thereof, to the second link element, and pivotably joined to an upper portion of the front leg and an upper portion of the middle leg;
the fourth link element pivotably joined, at a rear portion thereof, to the handle, and pivotably joined to an upper portion of the rear leg;
a fifth link element pivotably joined to the second link element and the middle leg, respectively; and
a sixth link element pivotably joined to the handle and the rear leg, respectively.

### Claim 3 (depends on 2)

The stroller according to claim 2, further comprising a first seat unit for letting a baby ride thereon and a second seat unit for letting a baby ride thereon,
wherein
the second seat unit is supported by a position, of the first link element, located rearward of the position at which the first link element is joined to the second link element, and
the first seat unit is supported by the first link element on a position that is forward of the second seat unit.

### Claim 4 (depends on 2)

The stroller according to claim 2, further comprising a first seat unit for letting a baby ride thereon and a second seat unit for letting a baby ride thereon,
wherein
the first seat unit is supported by the third link element, and
the second seat unit is supported by the fourth link element.

### Claim 5 (depends on 2)

The stroller according to claim 2, further comprising a first seat unit for letting a baby ride thereon and a second seat unit for letting a baby ride thereon,
wherein
at least a portion of the first seat unit is located between the front leg and the middle leg, in the back to front direction of the stroller, and
the second seat unit is located rearward of the first seat unit, and at least a portion of the second seat unit is located between the middle leg and the rear leg, in the back to front direction of the stroller.

### Claim 6 (depends on 1)

The stroller according to any one of claim 1,
wherein:
a pair of the front legs are provided to be spaced apart from each other in a width direction;
a pair of the middle legs are provided to be spaced apart from each other in the width direction;
a pair of the rear legs are provided to be spaced apart from each other in the width direction;
the front-wheel holding mechanism is provided on each front leg;
the middle-wheel holding mechanism is provided on each middle leg; and
the rear-wheel holding mechanism is provided on each rear leg.

### Claim 7 (depends on 1)

The stroller according to any one of claim 1,
wherein:
the front leg includes a pair of extending parts located to be spaced apart from each other in a width direction, and a connection part connecting the pair of extending parts;
a pair of the middle legs are provided to be spaced apart from each other in the width direction;
a pair of the rear legs are provided to be spaced apart from each other in the width direction;
the front-wheel holding mechanism is provided on the connection part;
the middle-wheel holding mechanism is provided on each middle leg; and
the rear-wheel holding mechanism is provided on each rear leg.

### Claim 8

A stroller comprising:
a front leg;
a middle leg located rearward of the front leg;
a rear leg located rearward of the middle leg;
a first link element pivotably joined, at a front portion thereof, to the front leg;
a handle pivotably joined to a rear portion of the first link element;
a second link element pivotably joined to a front portion of a fourth link element, and pivotably joined to an intermediate portion of the first link element;
a third link element pivotably joined to a front portion of the fourth link element, and pivotably joined to an intermediate portion of the first link element;
the fourth link element pivotably joined, at a rear portion thereof, to the second link element, and pivotably joined to an upper portion of the front leg and an upper portion of the middle leg;
a fifth link element pivotably joined to the second link element and the middle leg, respectively; and
a sixth link element pivotably joined to the handle and the rear leg, respectively.

### Claim 9 (depends on 8)

The stroller according to claim 8, further comprising a first seat unit for letting a baby ride thereon and a second seat unit for letting a baby ride thereon,
wherein
the second seat unit is supported by a position, of the first link element, located rearward of the position at which the first link element is joined to the second link element, and
the first seat unit is supported by the first link element on a position that is forward of the second seat unit.

### Claim 10 (depends on 8)

The stroller according to claim 8, further comprising a first seat unit for letting a baby ride thereon and a second seat unit for letting a baby ride thereon,
wherein
the first seat unit is supported by the third link element, and
the second seat unit is supported by the fourth link element.

### Claim 11 (depends on 8)

The stroller according to claim 8, further comprising a first seat unit for letting a baby ride thereon and a second seat unit for letting a baby ride thereon,
wherein
at least a portion of the first seat unit is located between the front leg and the middle leg, in the back to front direction of the stroller, and
the second seat unit is located rearward of the first seat unit, and at least a portion of the second seat unit is located between the middle leg and the rear leg, in the back to front direction of the stroller.

### Claim 12 (depends on 8)

The stroller according to claim 8, wherein:
a pair of the front legs are provided to be spaced apart from each other in a width direction;
a pair of the middle legs are provided to be spaced apart from each other in the width direction; and
a pair of the rear legs are provided to be spaced apart from each other in the width direction.

### Claim 13 (depends on 8)

The stroller according to claim 8, wherein:
the front leg includes a pair of extending parts located to be spaced apart from each other in a width direction, and a connection part connecting the pair of extending parts;
a pair of the middle legs are provided to be spaced apart from each other in the width direction; and
a pair of the rear legs are provided to be spaced apart from each other in the width direction.