Patent ID: 9511697
Filing Date: 2016-12-06
CPC Classification: B60N

Claim Text:
1. A child safety seat, having a seating orientation, the child safety seat comprising: a seat back comprising a main portion and two side wing portions extending from two opposite sides of the main portion; a head rest disposed on the seat back and located between the side wing portions and against the main portion, when a child is seated on the child safety seat, a back of the child being against the seat back, a head of the child being against the head rest and facing toward the seating orientation; two sliding slot structures formed on the two side wing portions respectively, each sliding slot structure having a first restraining position and a second restraining position, and each sliding slot structure comprising a horizontal slot section, a vertical slot section connected to the horizontal slot section, and a retaining portion protruding inward at a place where the horizontal slot section and the vertical slot section are connected to each other so a width of the sliding slot structure at the retaining portion is less than a width of the sliding slot structure at the vertical slot section, wherein the vertical slot section is longer in a vertical direction than the horizontal slot section is in a horizontal direction the first restraining position being located at an end of the horizontal slot section, and the second restraining position being located at an end of the vertical slot section; and two sliding rods connected to two opposite sides of the head rest corresponding to the two sliding slot structures and slidably disposed in corresponding sliding slot structures, the sliding rod being capable of being located at the first restraining position or the second restraining position, wherein when the sliding rod is located at the first restraining position and the child safety seat shakes because of an impact, the head rest moves relative to the seat back toward the seating orientation, so that the sliding rod slides from the first restraining position to the second restraining position, and the retaining portion constrains the sliding rod to be located at the first restraining position, and when the sliding rod slides from the horizontal slot section toward the vertical slot section, the retaining portion pushes against the sliding rod.