# US 12,178,330 B2 · Child carrier

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

- Number: US 12,178,330 B2
- Document ID: US12178330B2
- Status: Granted
- Kind: B2
- Application number: 18/500,364
- Filed: 2023-11-02
- Published: 2024-02-22
- Granted: 2024-12-31
- Earliest claimed: 2021-02-18
- Assignees: Wonderland Switzerland AG
- Applicants: Wonderland Switzerland AG
- Inventors: Bo Wu; Meifeng Fan; Wenhao Li
- Web page: https://patentgrep.com/patent/US12178330B2

## CPC

- A47D 15/006: {in chairs}
- B62B 9/102: {characterized by details of the seat}
- A47D 1/00: Children's chairs
- A47D 13/025: {for carrying children in seated position}
- B60N 2/2812: {for securing the child to the child seat}
- B62B 9/104: {with adjustable or reclining backrests}
- B62B 9/24: Safety guards for children, e.g. harness (cat nets B62B9/14; devices for use in guiding or supporting children, e.g. safety harness A47D13/08)
- A47D: FURNITURE SPECIALLY ADAPTED FOR CHILDREN (school benches or desks A47B39/00, A47B41/00)
- B62B: HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES (characterised by animal propulsion B62C; propulsion of sledges by driver or engine B62M)
- B60N: SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR

## Abstract

A child carrier includes: a seat portion; a buckle movably provided on the seat portion; a backrest portion connected to the seat portion and extending upward, the backrest portion having a plurality of adjustment holes formed therein from bottom to top; and a shoulder strap having a fixed end and a free end, the fixed end being fixed on a rear side of the backrest portion, the free end passing through one of the plurality of adjustment holes and being removably connected to the seat portion.

## Claims

### Claim 1

A child carrier, comprising:
a seat portion;
a buckle movably provided on the seat portion;
a backrest portion connected to the seat portion and extending upward, the backrest portion having a plurality of adjustment holes formed therein from bottom to top;
a shoulder strap having a fixed end and a free end, the fixed end being fixed on a rear side of the backrest portion, the free end going through one of the plurality of adjustment holes and being removably connected to the seat portion;
a waist belt, wherein the waist belt comprises a first end fixed to the backrest portion and a second end movably connected to the buckle; and
a shoulder strap buckle located on the waist belt, wherein the free end has a fixing hole formed therein, and the shoulder strap buckle comprises a hook portion removably engaged with the fixing hole of the free end;
wherein the shoulder strap buckle slides adjustably on the waist belt.

### Claim 2 (depends on 1)

The child carrier according to claim 1, wherein a diameter of the fixing hole gradually decreases along a direction in which the hook portion is inserted into the fixing hole.

### Claim 3 (depends on 1)

The child carrier according to claim 1, wherein a third shoulder strap buckle is provided on the rear side of the backrest portion, and the fixed end is adjustably engaged with the third shoulder strap buckle.

### Claim 4 (depends on 1)

The child carrier according to claim 1, wherein the buckle comprises a female buckle located on the seat portion and a male buckle located on the waist belt, the male buckle and the female buckle are removably buckled to each other.

### Claim 5 (depends on 1)

The child carrier according to claim 1, further comprising a crotch guard movably connected to the seat portion, wherein the buckle is fixed on the crotch guard, and a width of the crotch guard gradually increases along a direction from a joint between the crotch guard and the seat portion to a position at which the buckle is located.

### Claim 6 (depends on 1)

The child carrier according to claim 1, wherein the plurality of adjustment holes are arranged in two columns, and the plurality of adjustment holes in each column are equally spaced apart from each other.

### Claim 7 (depends on 1)

The child carrier according to claim 1, wherein the child carrier is a child stroller, a car safety seat, a high chair, or a carry cot.

### Claim 8 (depends on 1)

The child carrier according to claim 1, wherein a hinge connects the backrest portion with the seat portion.

### Claim 9 (depends on 1)

The child carrier according to claim 1, wherein the backrest portion and the seat portion are integrally formed.

### Claim 10

A child carrier, comprising:
a seat portion and a backrest portion connected to each other at an angle, the backrest portion extending away from the seat portion and a plurality of adjustment holes formed in the backrest portion;
a buckle movably provided on the seat portion;
a shoulder strap having a fixed end and a free end, the fixed end being fixed on a rear side of the backrest portion, the shoulder strap passing through an adjustment hole of the plurality of adjustment holes and being removably connected to the seat portion;
a waist belt, wherein the waist belt has a first end fixed to the backrest portion and a second end movably connected to the buckle; and
a shoulder strap buckle located on the waist belt, wherein the free end has a fixing hole formed therein, and the shoulder strap buckle comprises a hook portion removably engaged with the fixing hole of the free end;
wherein the shoulder strap buckle slides adjustably on the waist belt.

### Claim 11 (depends on 10)

The child carrier according to claim 10, wherein a diameter of the fixing hole gradually decreases along a direction in which the hook portion is inserted into the fixing hole.