초록 ▼

A child booster seat includes a base, a flexible connecting member, two attachment parts, and a mechanism. The base has a seat plate for a child sitting thereon. The flexible connecting member is attached to the base. The attachment parts are attached to two ends of the flexible connecting member. T

A child booster seat includes a base, a flexible connecting member, two attachment parts, and a mechanism. The base has a seat plate for a child sitting thereon. The flexible connecting member is attached to the base. The attachment parts are attached to two ends of the flexible connecting member. The mechanism is disposed on the base for tensing the flexible connecting member. When the child booster seat is secured on a chair through the two attachment parts, the mechanism is operated to tense the flexible connecting member, so that the child booster seat is secured firmly and it is hard to move the child booster seat relative to the adult chair.

대표청구항 ▼

1. A child booster seat, comprising: a base, having a seat plate and a bottom frame, the seat plate being pivotally connected to the bottom frame, the bottom frame and the seat plate forming an accommodating space;a flexible connecting member, attached to the base and comprising a first flexible par

1. A child booster seat, comprising: a base, having a seat plate and a bottom frame, the seat plate being pivotally connected to the bottom frame, the bottom frame and the seat plate forming an accommodating space;a flexible connecting member, attached to the base and comprising a first flexible part and a second flexible part;a first attachment part, attached to an end of the first flexible part;a second attachment part, disposed opposite to the first attachment part and attached to an end of the second flexible part;a length adjusting device, disposed in the accommodating space, the first flexible part and the second flexible part being attached to the base through the length adjusting device, the length adjusting device being operable to shorten a length of the first flexible part from the length adjusting device to the first attachment part and a length of the second flexible part from the length adjusting device to the second attachment part; anda mechanism, disposed on the base and comprising a first tensing mechanism and a second tensing mechanism for tensing the first flexible part and the second flexible part respectively; wherein when the child booster seat is secured on a chair through the first attachment part and the second attachment part, the mechanism is operated to tense the flexible connecting member. 2. The child booster seat of claim 1, wherein the first tensing mechanism comprises a cam support, an over-center cam, and a cam lever, the cam support is fixed on the base, the over-center cam is pivotally connected to the cam support about a rotational axis, the cam lever is connected to the over-center cam, when the over-center cam is rotated to a first position, the first flexible part contacts the over-center cam in a first distance to the rotational axis, when the over-center cam is rotated to a second position, the first flexible part contacts the over-center cam in a second distance to the rotational axis, and the second distance is larger than the first distance. 3. The child booster seat of claim 1, wherein the first tensing mechanism is disposed in the accommodating space and comprises a protruding part and a slot corresponding to the protruding part, one of the protruding part and the slot is disposed on the bottom frame, the other one of the protruding part and the slot is disposed on the seat plate, the protruding part and the slot are located at two opposite sides of the first flexible part, and when the seat plate pivots toward the bottom frame, the protruding part and a portion of the first flexible part are inserted into the slot. 4. The child booster seat of claim 1, wherein the length adjusting device comprises a device casing, a pressing lever, and a restoration spring, the device casing has a room, an opening, a first inlet, a second inlet, and an outlet, the pressing lever is pivotally connected to the device casing in the room and protrudes out of the device casing through the opening, the first flexible part passes through the room from the first inlet to the outlet, the second flexible part passes through the room from the second inlet to the outlet, the restoration spring is connected to the device casing and the pressing lever and applies a force to the pressing lever so that the first flexible part and the second flexible part are clamped between the pressing lever and the device casing. 5. The child booster seat of claim 4, wherein each of the first flexible part and the second flexible part extend out of the device casing from the outlet to be attached to a ring. 6. The child booster seat of claim 1, wherein the base comprises a first guiding slot and a second guiding slot, the first guiding slot is disposed between the first tensing mechanism and the length adjusting device on the bottom frame in the accommodating space, the second guiding slot is disposed between the second tensing mechanism and the length adjusting device on the bottom frame in the accommodating space, the first flexible part passes through the first guiding slot, and the second flexible part passes through the second guiding slot. 7. The child booster seat of claim 1, wherein the base has a first side wall and a second side wall opposite to the first side wall, the first flexible part extends out the base from the first side wall, the second flexible part extends out the base from the second side wall, the first attachment part is operable to hook an edge of the first side wall, and the second attachment part is operable to hook an edge of the second side wall. 8. The child booster seat of claim 7, wherein the base has a first extension foot and a second extension foot, the first extension foot is pivotally connected to the edge of the first side wall, and the second extension foot is pivotally connected to the edge of the second side wall. 9. The child booster seat of claim 1, further comprising a connecting part for connecting the first attachment part and the second attachment part after the first attachment part and the second attachment part are attached to opposite edges of the chair. 10. A child booster seat, comprising: a base, having a seat plate and a bottom frame, the seat plate being pivotally connected to the bottom frame, the bottom frame and the seat plate forming an accommodating space;a flexible connecting member, attached to the base and comprising a first flexible part and a second flexible part;a first attachment part, attached to the first flexible part;a second attachment part, disposed opposite to the first attachment part and attached to the second flexible part; anda mechanism, disposed on the base and comprising a first tensing mechanism and a second tensing mechanism for tensing the first flexible part and the second flexible part respectively, the first tensing mechanism being disposed in the accommodating space and comprising a protruding part and a slot adapted to the protruding part, one of the protruding part and the slot being disposed on the bottom frame, the other one of the protruding part and the slot being disposed on the seat plate, the protruding part and the slot being located at two opposite sides of the first flexible part, when the seat plate pivots toward the bottom frame, the protruding part and a portion of the first flexible part being inserted into the slot; wherein when the child booster seat is secured on a chair through the first attachment part and the second attachment part, the mechanism is operated to tense the flexible connecting member.