Child Safety Seat and Its Installation Method

• US 20110049952A1
• Filed: 08/19/2010
• Published: 03/03/2011
• Est. Priority Date: 08/31/2009
• Status: Active Grant

• Current Assignee: Wonderland Switzerland AG
• Original Assignee: Xiao-Hong Xiao
• Inventors: XIAO, Xiao-Hong
• Granted Patent: US 8,534,757 B2
• Time in Patent Office: Days
• US Class Current: 297/256.16
• CPC Class Codes: B60N 2/2806 for securing the child seat to the vehicle
• CPC Class Codes: B60N 2/2821 having a seat and a base part
• CPC Class Codes: B60N 2/2863 backward facing
• CPC Class Codes: B60N 2/2875 inclinable, as a whole or partially
• CPC Class Codes: Y10T 29/49826 Assembling or joining

Abstract

A child safety seat comprises a seat portion including a seat bottom and a backrest, and a first and second rail section disposed parallel on a rear of the seat portion at left and right sides, respectively, each of the first and second rail sections including a first rail portion located on a rear of the backrest and a second rail portion located below the seat bottom. The first rail portion includes a first anchoring slot, and the second rail portion includes a second anchoring slot, the first and second anchoring slots adapted to hold spaced-apart portions of a seat belt. In addition, a method for installing the child safety seat is also described.

Claims

1. A child safety seat adapted for use in a vehicle, comprising:

a seat portion, including a seat bottom and a backrest; and

a first and second rail section, wherein the first and second rail sections are disposed parallel on a rear of the seat portion at left and right sides, respectively, each of the first and second rail sections including a first rail portion located on a rear of the backrest and a second rail portion located on a lower side of the seat bottom;

wherein the first rail portion includes a first anchoring slot, and the second rail portion includes a second anchoring slot, the first and second anchoring slots adapted to hold spaced-apart portions of a seat belt of the vehicle.

2. The child safety seat according to claim 1, wherein the first rail portion includes a third anchoring slot adapted to hold a portion of the seat belt, the first and third anchoring slots being spaced apart from each other in a vertical direction.

3. The child safety seat according to claim 1, wherein the first and second rail sections protrude from the rear of the seat portion, and extend parallel from the rear of the backrest to the lower side of the seat bottom.

4. The child safety seat according to claim 1, wherein the seat portion is movably connected with a base.

5. The child safety seat according to claim 1, wherein the first and second rail sections, including the first and second anchoring slots, are disposed symmetrical at the left and right sides on the rear of the seat portion.

6. The child safety seat according to claim 1, wherein when the child safety seat is installed in a rearward position, the seat belt includes a lap strap that is engaged and held through the second anchoring slots of the two rail sections.

7. The child safety seat according to claim 1, wherein when the child safety seat is installed in a rearward position, the seat belt includes a shoulder strap that is engaged and held through the first anchoring slot of the first rail section and wrapped in a diagonal direction around an outer surface of the second rail section.

8. The child safety seat according to claim 2, wherein when the child safety seat is installed in a rearward position, the seat belt includes a shoulder strap that is engaged and held through the first anchoring slot of the first rail section and the third anchoring slot of the second rail section, whereby the shoulder strap is wrapped in a diagonal direction around the first rail portions of the first and second rail sections.

9. The child safety seat according to claim 1, wherein the first rail portion further includes an opening, a fourth anchoring slot located below the opening, and a fifth anchoring slot located above the opening.

10. The child safety seat according to claim 9, wherein when the child safety seat is installed in a forward position, the seat belt includes a lap strap that is engaged and held through the fourth anchoring slots of the first and second rail sections.

11. The child safety seat according to claim 9, wherein when the child safety seat is installed in a forward position, the seat belt includes a shoulder strap that is engaged and held through the fifth anchoring slot of the first rail section.

12. A method for installing a child safety seat, wherein the child safety seat includes a seat portion having a seat bottom and a backrest, and a first and second rail section disposed parallel on a rear of the seat portion, each of the first and second rail sections including a first rail portion located on a rear of the backrest and having a first anchoring slot, and a second rail portion located below the seat bottom and having a second anchoring slot, the method comprising:

placing the child safety seat in a rearward position;

attaching a seat belt, wherein the seat belt includes a lap strap and a shoulder strap;

engaging the lap strap through the second anchoring slots of the first and second rail sections; and

wrapping the shoulder strap around a rear of the backrest, and engaging the shoulder strap through the first anchoring slot of the first rail section.

13. The method according to claim 12, wherein the first rail portion includes a third anchoring slot disposed vertically spaced apart from the first anchoring slot, the method further comprising engaging the shoulder strap through the third anchoring slot.

14. The method according to claim 13, wherein the shoulder strap lies in a diagonal direction between the first anchoring slot of the first rail section and the third anchoring slot of the second rail section.

15. The method according to claim 12, wherein the first and second rail sections, including the first and second anchoring slots, are disposed symmetrical at left and right sides on the rear of the seat portion.

16. The method according to claim 12, wherein the seat portion is movably connected with a base.

17. The method according to claim 16, wherein the step of placing the child safety seat in a rearward position comprises adjusting the seat portion to an inclined position relative to the base.