Child safety seat

Abstract

A child safety seat (100) has a child seat (108), a support base (102) suitable for placement on a vehicle seat to provide support for the child seat (108), a sliding carriage (104) for sliding adjustment of the child seat (108) with respect to the support base (102) between a retracted position and an extended position, a rotating platform (106) for rotating adjustment of the child seat (108) with respect to the support base (102) and the sliding carriage (104) between a first angular position and a second angular position facing in different directions, wherein the child seat (108) is slidably connected to the rotating platform (106), wherein the child seat (108) can slide with respect to the rotating platform (106) and the support base (102) for backrest tilt adjustment.

Description

BACKGROUND 1. Field of the invention

[0001] The present invention relates to child safety seats. 2. Description of the related art

[0002] A child safety seat is typically used in an automobile to properly restrain a child in the event of an accidental collision. It is well known that a child safety seat installed in a rearward-facing position can provide better protection because it can distribute impact forces over a larger portion of the body (i.e., the child's head and torso). Accordingly, safety experts and car seat manufacturers typically recommend that children up to the age of 2 be seated in a rearward-facing configuration in a vehicle. As the child grows older, the child safety seat can then be installed in a forward-facing configuration.

[0003] Some child safety seats currently available on the market may include a child seat that can be rotated for adjustment between rearward-facing and forward-facing positions, as well as backrest adjustment to provide a comfortable seating environment. However, this added adjustment flexibility can lead to improper installation of the child safety seat on a vehicle seat.

[0004] Other adjustable child seats are known from EP 1 110 807 A1 and US 7 073 859 B1.

[0005] In view of the problems described above, the object of the present invention is to provide a child safety seat with increased adjustment flexibility and which can solve the problem of the limited adjustability of previous child safety seats. This object is achieved by a child safety seat according to the independent claims. Advantageous developments are described in the dependent claims. SUMMARY

[0006] The present application describes a child safety seat that allows for more flexible adjustment and is safer to use.

[0007] The child safety seat comprises: a child seat, a support base suitable for mounting on a vehicle seat to provide support for the child seat, a sliding carriage for sliding adjustment of the child seat relative to the support base between a retracted position and an extended position, and a rotating platform for rotating adjustment of the child seat relative to the support base and the sliding carriage between a first angular position and a second angular position facing in different directions. The child seat is slidably connected to the rotating platform, wherein the child seat can slide relative to the rotating platform and the support base for backrest tilt adjustment.

[0008] Advantageous embodiments of the child safety seat are the subject of the dependent claims. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view illustrating one embodiment of a child safety seat including a support base, a sliding carriage, a rotating platform, and a child seat; Fig. 2 is a perspective view showing the sliding carriage assembled with the support base and omitting the rotating platform and the child seat; Fig. 3 is an enlarged perspective view illustrating the slide assembly assembled with the support base, but omitting an inner plate of the slide assembly; Fig. 4 is a perspective view showing the rotating platform alone; Fig. 5 is a cross-sectional view illustrating the assembly of a slide carriage-carried lock for rotationally locking the rotary platform to the slide carriage; Fig. 6 is a schematic planar view illustrating a bottom surface of a base plate provided in the rotary platform; Fig. 7 is a perspective view showing some construction details of the child seat; and Fig. Figures 8 to 10 are schematic planar views illustrating exemplary operation of a safety mechanism that may be actuated to ensure proper design of the child safety seat for installation on a vehicle seat. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0009] Reference is made to Fig. 1 to 7, which show an embodiment of a child safety seat 100. With reference to Fig. 1 to 7, the child safety seat 100 may include a support base 102, a sliding carriage 104, a rotating platform 106, and a child seat 108 disposed on the rotating platform 106. The support base 102 is adapted to be placed on a vehicle seat to provide stable support for the child safety seat 100. According to one exemplary design, the support base 102 may include a support portion 110 and an anchoring portion 112 connected to each other. The support portion 110 may include a guide track 114 and be fixedly connected to the anchoring portion 112. The anchoring portion 112 may include a rigid shell 116 and protrude above the support portion 110 on a rear side of the support portion 110. The child safety seat 10 may be installed on a vehicle seat with the anchoring portion 112 abutting a seatback of the vehicle seat and rising generally along the seatback of the vehicle seat.

[0010] With reference to Fig. 1 and Fig. 2, the anchoring portion 112 may define a belt path 118 for passing a fastening belt for attaching the child safety seat 100 to the vehicle seat. For example, the belt path 118 may consist of two guide slots 120 formed through a left and a right side wall of the anchoring portion 112 and may extend across the anchoring portion 112. The two guide slots 120 may be arranged above and on a rear side of the slide carriage 104. In addition, the anchoring portion 112 may be provided with a belt clamp 121 arranged between the two guide slots 120. A fastening belt 122 (in Fig. 1 and Fig. 2), which may be a vehicle safety belt or a snap-in belt, may be disposed transversely through the two guide slots 120 and extend over the support portion 110 to secure the support base 102 to a vehicle seat. The installed fastening belt 122 may be tensioned and clamped by the belt clamp 121.

[0011] With reference to Fig. 1 to 3, the sliding carriage 104 is connected to the support portion 110 of the support base 102 and can slide back and forth along a longitudinal axis X with respect to the support base 102. Since both the rotating platform 106 and the child seat 108 are supported by the sliding carriage 104, the rotating platform 106, the child seat 108, and the sliding carriage 104 are slidable together along the longitudinal axis X with respect to the support base 102. According to one design example, the sliding carriage 104 can have a rigid housing 124, which can have an inner plate 124A. The inner plate 124A of the housing 124 is Fig. 2 shown, but in Fig. 3 omitted. The housing 124 may be slidably assembled with a guide track 114 of the support portion 110 such that the slide carriage 104 may slide toward and away from the anchoring portion 112 for adjustment between numerous axial positions. In particular, the slide carriage 104 may slide with respect to the support base 102 between at least a retracted position and an extended position, wherein the slide carriage 104 is spaced from the anchoring portion 112 by a first distance in the retracted position and a second distance greater than the first distance in the extended position. The slide carriage 104 may be in the extended position when the child safety seat 100 is installed in a rearward-facing position on a vehicle seat and in the retracted position when the child safety seat 100 is installed in a forward-facing position on a vehicle seat.

[0012] With reference to Fig. 2 and Fig. 3, the slide carriage 104 may carry a lock 126 to non-slidingly lock the slide carriage 104 with respect to the support base 102, and a release actuator 128 operatively connected to the lock 126. For example, the lock 126 may engage the bearing portion 110 of the support base 102 to non-slidingly lock the slide carriage 104 with respect to the support base 102, and may disengage from the support base 102 for sliding adjustment of the slide carriage 104 with respect to the support base 102. According to one design example, the lock 126 may be pivotally connected to the inner plate 124A of the housing 124 via a pivot connection 130, and is rotatably movable downwardly and upwardly to engage any one of a plurality of locking openings 132 (in Fig. 3) provided on the support portion 110 of the support base 102. The locking openings 132 can be associated with different axial positions of the slide carriage 104 along the longitudinal axis X.

[0013] The release actuator 128 can be actuated to cause the latch 126 to disengage from the support portion 110 of the support base 102 for sliding adjustment of the slide carriage 104 relative to the support base 102. According to one exemplary design, the release actuator 128 can be pivotally or slidably connected to the housing 124 of the slide carriage 102 and exposed at a front side thereof for actuation. The release actuator 128 can be connected to the latch 126 via a connecting member 134. For example, the connecting member 134 can have one end pivotally connected to the latch 126 via a pivot connection 136 and another end coupled to the release actuator 128. The release actuator 128 can thereby be actuated to rotate the lock 126 to release from the support portion 110 of the support base 102.

[0014] According to one implementation example, two of the same locks 126 described above may be provided to lock the slide carriage 104 to the support base 102, and the release actuator 128 may be connected to the two locks 126 via the same connecting part 134, as in Fig. 3 is shown.

[0015] With reference to Fig. 1 to 4, the rotating platform 106 is pivotally connected to the sliding carriage 104 about a rotation axis Z. The rotation axis Z extends vertically through the rotating platform 106 and may extend along a vertical direction or slightly inclined with respect to the vertical direction (e.g., at an angle of between approximately 10 and approximately 15 degrees with respect to the vertical direction, such as approximately 13 degrees). According to one exemplary design, the rotating platform 106 may include a base plate 140 having a generally circular shape and two mutually parallel rigid supports 142 fixedly connected to the base plate 140 and projecting upwardly from the base plate 140. The rotating platform 106 may be assembled to the sliding carriage 104 by pivotally inserting the base plate 140 through a generally circular opening 144 provided in the housing 124 of the sliding carriage 104.

[0016] The rotating platform 106 and the child safety seat 108 thereon can rotate together as a seating unit 145 with respect to the sliding carriage 104 and the support base 102 between a plurality of positions. In particular, the rotating platform 106 and the child safety seat 108 are rotatable together with respect to the sliding carriage 104 and the support base 102 between a rearward-facing position and a forward-facing position. In the rearward-facing position, a front side of the child safety seat 108 can be disposed adjacent to the anchoring portion 112 such that a child seated in the child safety seat 108 would face the anchoring portion 112. The child safety seat 100 can be installed on a vehicle seat with the rotating platform 106 and the child safety seat 108 in the rearward-facing position to accommodate a smaller child facing a rear of the vehicle.

[0017] In the forward-facing position, a backrest portion 108A of the child safety seat 108 may be disposed adjacent the anchoring portion 112 such that a child seated in the child safety seat 108 would face a side opposite that of the anchoring portion 112. The child safety seat 100 may be installed on a vehicle seat with the rotating platform 106 and the child safety seat 108 in the forward-facing position to accommodate a larger child facing a front of the vehicle.

[0018] With reference to Fig. 2 to 5, the slide carriage 104 may support a latch 146 for rotationally locking the rotating platform 106 and the child seat 108 relative to the slide carriage 104. The latch 146 may engage the rotating platform 106 to rotationally lock the rotating platform 106 and the child seat 108 in the forward-facing position or the rearward-facing position, and may disengage from the rotating platform 106 for rotation of the rotating platform 106 and the child seat 108 relative to the slide carriage 104 and the support base 102. According to one exemplary design, the latch 146 may have an elongated shape and be slidably coupled to the housing 124 of the slide carriage 104. More specifically, the lock 146 may be inserted into a guide slot 148 provided in the inner plate 124A of the housing 124 to slide substantially vertically.The lock 146 can thereby slide upward to engage with any one of two locking holes 150A and 150B provided in the base plate 140 at two diametrically opposite positions with respect to the rotation axis Z of the rotating platform 106, and can slide downward to disengage from any one of the two locking holes 150A and 150B. The lock 146 can engage with the locking hole 150A to lock the rotating platform 106 and the child seat 108 in the rearward-facing position and can engage with the locking hole 150B to lock the rotating platform 106 and the child seat 108 in the forward-facing position.

[0019] With reference to Fig. 5, the lock 146 may be connected to a spring 152. For example, the spring 152 may be disposed in the guide slot 148 and have two opposite ends connected to the lock 146 and the housing 124 of the slide carriage 104, respectively. The spring 152 may bias the lock 146 in a direction toward engagement with the rotating platform 106.

[0020] With reference to Fig. 2 and Fig. 3, the slide carriage 104 may further include a release actuation mechanism 154 coupled to the lock 146. In one embodiment, the release actuation mechanism 154 may include a drive member 156, a release actuator 158, and a cable 160 (shown in broken lines in Fig. 2 and Fig. 3). The drive member 156 may be pivotally connected to the housing 124 of the slide carriage 104 via a pivot connection 162 and may have an end 156A connected to the lock 146. For example, the lock 146 may have a slot 146A, and the end 156A of the drive member 156 may be in sliding contact with the slot 146A of the lock 146.

[0021] The release actuator 158 is at least partially exposed for actuation and is slidably mateable with the housing 124 of the slide carriage 104. For example, the release actuator 158 may be mateable with the housing 124 of the slide carriage 104 for generally horizontal movement. Two opposite ends of the cable 160 may be attached to the release actuator 158 and the drive member 156, respectively. The release actuator 158 may be actuated by pulling on the cable 160, which in turn pulls the drive member 156 to rotate and causes the latch 146 to disengage from the rotating platform 106.

[0022] According to one embodiment, two of the aforementioned release actuator 158 may be provided to facilitate the release process, as shown in Fig. 2 and Fig. 3. The two release actuators 158 can be arranged symmetrically on a left and a right side of the release actuator 128 and each connected to the drive member 156 via two separate cables 160. Accordingly, each of the two release actuators 158 can be actuated independently to cause the lock 146 to release from the rotating platform 106.

[0023] With reference to Fig. 1 and Fig. 4, the child seat 108 may have an interior adapted to accommodate a child and may be slidably connected to the rotating platform 106 for rearward and forward movement. For example, the rotating platform 106 may have left and right side walls 164 against which the child seat 108 may be slidably supported. Accordingly, the child seat 108 may slide relative to the rotating platform 106 and the support base 102 for recline adjustment independent of the rotational adjustment about the rotational axis Z and the sliding adjustment along the longitudinal axis X, as described above. Recline adjustment may occur while the child seat 108 is in the forward-facing or rearward-facing position.

[0024] With reference to Fig. 4 and Fig. 7, the child seat 108 may have a recline lock 166 movable between a locking and an unlocking state. The recline lock 166 may engage the rotating platform 106 in the locking state to lock the child seat 108 in place with respect to the rotating platform 106, and may be disengaged from the rotating platform 106 in the unlocking state for recline adjustment of the child seat 108 with respect to the rotating platform 106. According to one exemplary design, the recline lock 166 may be pivotally connected to a shell body 168 of the child seat 108 about a pivot connection 170 and may have a crossbar 172 eccentric with respect to the pivot connection 170.The recline lock 166 is rotatably movable relative to the shell body 168 between the locked state, in which the crossbar 172 can engage any of multiple grooves 174A provided on a rack 174 fixedly connected to the rotating platform 106, and the unlocked state, in which the crossbar 172 is disengaged from the rack 174. Furthermore, the recline lock 166 may be connected to a spring 175 that can be actuated to bias the recline lock 166 toward the locked state. For example, the spring 175 may have two opposite ends connected to the recline lock 166 and the shell body 168, respectively.

[0025] With reference to Fig. 7, the child seat 108 may further include a release mechanism 176 operable to cause the recline lock 166 to move from the locked state to the unlocked state. The release mechanism 176 may include two release actuators 178A and 178B exposed at a front and a rear of the child seat 108, respectively, and operatively connected to the recline lock 166, wherein each of the two release actuators 178A and 178B may be independently operable to cause the recline lock 166 to move from the locked state to the unlocked state.

[0026] The release actuator 178A may be pivotally connected to the shell body 168 of the child seat 108 and may be connected to the recline lock 166 via a connecting member 180. The connecting member 180 may be a rigid member having one end 180A pivotally connected to the release actuator 178A and another, opposite end 180B slidably connected to the recline lock 166. For example, the end 180B of the connecting member 180 may have an elongated slot, and the recline lock 166 may have a pin guided for sliding along the elongated slot. With this configuration, the release actuator 178A can be actuated to displace the link 180, which in turn rotates the recline lock 166 to unlock the child seat 108.A spring 181 may be provided for applying a biasing force to the connecting member 180, which promotes its return to a neutral position when the release actuator 178A is not actuated. The spring 181 may have two opposite ends connected to the connecting member 180 and the shell body 168 of the child seat 108, respectively.

[0027] The release actuator 178B may be pivotally connected to the shell body 168 of the child seat 108 and may be connected to the recline lock 166 via two connecting members 182. The two connecting members 182 may have the same construction and be arranged generally parallel to each other. Each connecting member 182 may have an elongated shape with one end 182A attached to the release actuator 178B and another, opposite end 182B having a ramp 184 disposed adjacent the recline lock 166. In particular, the ramp 184 may be adjacent a lateral projection 185 fixedly connected to the recline lock 166.With this configuration, the release actuator 178B can be actuated to pull each link 182 into motion, which in turn causes the recline lock 166 to rotate to the unlocked state via sliding contact between the ramp 184 and the lateral projection 185 of the recline lock 166. A spring 186 can be provided to apply a biasing force to the link 182, favoring its return to a neutral position when the release actuator 178B is not actuated. The spring 186 can have two opposite ends connected to the link 182 and the shell body 168 of the child seat 108, respectively.

[0028] With reference to Fig. 1, Fig. 2 and Fig. 4, the anchoring portion 112 may have a flange portion 187 disposed above the support portion 110. The flange portion 187 may be fixedly connected to the anchoring portion 112. Examples of materials for the flange portion 187 may include, without limitation, steel, rigid plastic, and the like. The flange portion 187 may have a curved shape extending transversely from a left to a right side of the anchoring portion 112. For example, the curved shape of the flange portion 187 may have a center of curvature adjacent the rotational axis Z of the rotary platform 106.

[0029] When the slide carriage 104 is in the retracted position and the seat unit 145, consisting of the rotating platform 106 and the child safety seat 108, is in the forward-facing position, the seat unit 145 can be engaged with a bottom surface of the flange portion 187, which is adjacent to a shoulder support area of the child safety seat 108. When a vehicle collision occurs, the engagement between the seat unit 145 and the flange portion 187 can facilitate the transfer of collision energy from the seat unit 145 through the support base 102 to a vehicle seat. Accordingly, the child safety seat 100 can be safer to use. When the seat unit 145 is rotated to the rearward-facing position, the seat unit 145 can be released from the flange portion 187.

[0030] With reference to Fig. 1, Fig. 2 and Fig. 4, a flange portion 188 may be provided on the seat unit 145 to facilitate engagement of the seat unit 145 with the flange portion 186 of the anchoring portion 112. For example, the flange portion 188 may be fixedly connected to the rotating platform 106 of the seat unit 145. The flange portion 188 may be disposed above the base plate 140 and protrude on a rear side of the rotating platform 106, as shown in Fig. 4. Additionally, a cross-section of the flange portion 187 on the anchoring portion 112 may have a hook shape, and a cross-section of the flange portion 188 may have a corresponding hook shape that may complementarily mate with the hook shape of the flange portion 187. The engagement between the hook shapes may transmit horizontal and vertical displacements of the seat unit 145 caused by a vehicle collision to the support base 102.

[0031] Because the child safety seat 100 can provide multiple degrees of adjustment (including a sliding adjustment of the sliding carriage 104 and a rotating adjustment of the rotating platform 106), it may be desirable to have a safety mechanism that can prevent erroneous deployment of the child safety seat 100 when installed on a vehicle seat. For example, for proper engagement of the seat assembly 145 with the flange portion 187 of the anchor portion 112, the sliding carriage 104 would need to be in the retracted position when the child safety seat 100 is to be installed in the forward-facing position. Accordingly, a safety mechanism 190 may be provided to ensure proper deployment of the child safety seat 100 for installation on a vehicle seat in the forward-facing position.

[0032] Construction details of the safety mechanism 190 can be found in Fig. 2, Fig. 3 and Fig. 6 better. With reference to Fig. 2, Fig. 3 and Fig. 6, the safety mechanism 190 may include a stopper 192 provided on the support base 102 and an idler member 194 movably coupled to the rotary platform 106. The stopper 192 may be a protrusion fixedly connected to the support portion 110 and disposed below the rotary platform 106. In one implementation, the stopper 102 may have an elongated shape. The idler member 194 may be an arcuate rib fixedly connected to the base plate 140 of the rotary platform 106 and protruding from a bottom surface of the rotary platform 106. The idler member 194 may be arranged eccentrically with respect to the rotation axis Z of the rotary platform 106. Accordingly, the idler member 194 may move with the rotary platform 106 along a circular trajectory when the rotary platform 106 rotates about the rotation axis Z.

[0033] The safety mechanism 190 may be configured such that rotational movement of the rotating platform 106 and the child seat 108 that occurs while the sliding carriage 104 is in a position other than the retracted position is restricted by contact between the idler member 194 and the stop 192, which keeps the rotating platform 106 and the child seat 108 away from the forward-facing position and the stop 192 is outside a path of movement of the idler member 194 when the sliding carriage 104 is in the retracted position to allow rotation of the rotating platform 106 and the child seat 108 to the forward-facing position.

[0034] Combined with Fig. 1 to 3 and 6, reference is made below to Fig. 8 to 10 are taken to describe an exemplary operation of the safety mechanism 190. Fig. 8 is a schematic view illustrating a configuration in which the slide carriage 104 is in the retracted position and the rotating platform 106 and the child seat 108 are in the forward-facing position. The idler member 194 may be located adjacent to the stop 192 when the slide carriage 104 is in the retracted position and the rotating platform 106 and the child seat 108 are in the forward-facing position. This position of the idler member 194 relative to the stop 192 may prevent the slide carriage 104 (and the rotating platform 106 and the child seat 108 thereon) from sliding forward on the support portion 110.

[0035] If the child safety seat 100 from the Fig. 8 needs to be converted to a different configuration, the release actuator 158 can be actuated so that the latch 146 disengages from the rotating platform 106, rotationally unlocking the rotating platform 106. With the sliding carriage 104 remaining in the retracted position on the support portion 110 of the support base 102, the rotating platform 106 and the child seat 108 can now rotate together with respect to the support base 102 away from the forward-facing position, causing the flange portion 188 on the rotating platform 106 to disengage from the flange portion 187 of the anchoring portion 112. As a result, the idler member 194 can move away from its previous position behind the stop 192, allowing the sliding carriage 104 to slide forward with respect to the support base 102.The release actuator 128 can then be actuated to cause the lock 126 to release from the support portion 110 of the support base 102, and the thereby unlocked slide carriage 104 can now slide forward with respect to the support base 102 to a desired position.

[0036] Fig. 9 illustrates a configuration in which the slide carriage 104 is in the extended position and the rotating platform 106 and the child seat 108 are in the rearward-facing position. Fig. 9, the follower member 194 is located in front of the stop 192 and is spaced from the stop 192 by a distance 196. The distance 196 can allow the slide carriage 104 to travel with respect to the support base 102 between the extended position and the retracted position.

[0037] To remove the child safety seat 100 from the Fig. 9 shown design in the Fig. 8, the slide carriage 104 is first moved from the extended position to the retracted position, with the rotating platform 106 and the child seat 108 remaining in the rearward-facing position on the slide carriage 104. Once the slide carriage 104 is in the retracted position, the stop 192 is outside a path of movement of the idler member 194 and thus will not interfere with rotational displacement of the rotating platform 106. While the slide carriage 104 remains in the retracted position, the rotating platform 106 and the child seat 108 can be rotated from the rearward-facing position to the forward-facing position. When the rotating platform 106 and the child seat 108 reach the forward-facing position, the seat assembly 145 can properly engage the flange portion 186 of the anchoring portion 12.More specifically, the flange portion 188 on the rotating platform 106 can move along with the rotating platform 106 and engage the underside of the flange portion 187 on the anchoring portion 112, as previously described.

[0038] Fig.10 is a schematic view illustrating a configuration in which the rotating platform 106 and the child seat 108 undergo rotational displacement while the slide carriage 104 is in a position other than the retracted position on the support portion 110 of the support base 102. In this configuration, the stopper 192 is located on a path of movement of the idler member 194 and would interfere with rotational movement of the rotating platform 106. If the rotating platform 106 and the child seat 108 were rotated while the slide carriage 104 is not in the retracted position, the rotational movement of the rotating platform 106 and the child seat 108 would be restricted by contact between the idler member 194 and the stopper 192, which may prevent the rotating platform 106 and the child seat 108 from reaching the forward-facing position.This can ensure that whenever the rotating platform 106 and the child seat 108 are in the forward-facing position, the seat unit 145 consisting of the rotating platform 106 and the child seat 108 is also properly engaged with the flange portion 187 of the anchoring portion 112.

[0039] The advantages of the child safety seat described here include the ability to provide increased adjustment flexibility for the child safety seat, allowing the child safety seat to be arranged in a desirable configuration for installation in a rearward-facing or forward-facing position. Furthermore, the child safety seat may include a safety mechanism that can prevent erroneous installation of the child safety seat when installed in the forward-facing position, which can provide safer use.

Claims

[1] Child safety seat (100), comprising: a child seat (108); a support base (102) suitable for placement on a vehicle seat to provide support for the child seat (108); a sliding carriage (104) for sliding adjustment of the child seat (108) with respect to the support base (102) between a retracted position and an extended position; and a rotating platform (106) for rotating the child seat (108) with respect to the support base (102) and the sliding carriage (104) between a first angular position and a second angular position pointing in different directions, wherein the child seat (108) is slidably connected to the rotating platform (106), the child seat (108) being able to slide with respect to the rotating platform (106) and the support base (102) for backrest inclination adjustment. [2] Child safety seat (100) according to claim 1, wherein the backrest tilt adjustment is independent of the sliding adjustment and the rotating adjustment. [3] Child safety seat (100) according to one of claims 1 or 2, wherein the child seat (108) has a backrest tilt lock (166) which is movable between a locking and an unlocking state, wherein the backrest tilt lock (166) is engaged with the rotating platform (106) in the locking state for locking the child seat (108) with respect to the rotating platform (106), and the backrest tilt lock (166) is released from the rotating platform (106) in the unlocking state for a backrest tilt adjustment of the child seat (108) with respect to the rotating platform (106). [4] Child safety seat (100) according to claim 3, wherein the backrest inclination lock (166) is pivotally connected to a shell body (168) of the child seat (108). [5] The child safety seat (100) of claim 3 or 4, wherein the child seat (108) further includes a release mechanism (176) operable to move the recline lock (166) from the locking state to the unlocking state, the release mechanism (176) including first and second release actuators (178A, 178B) exposed at a front and a rear of the child seat (108) respectively and operatively connected to the recline lock (166), the first and second release actuators (178A, 178B) being independently operable to cause rotation of the recline lock (166) from the locking state to the unlocking state. [6] The child safety seat (100) of claim 5, wherein the first release actuator (178A) is connected to the recline lock (166) via a first connecting member (180), the first connecting member (180) having a first end (180A) pivotally connected to the first release actuator (178A) and a second end (180B) slidably connected to the recline lock (166). [7] A child safety seat (100) according to any one of claims 5 or 6, wherein the second release actuator (178B) is connected to the recline lock (166) via a second connecting part (182), the second connecting part (182) having a first end (182A) connected to the second release actuator (178B) and a second end (182B) having a ramp (184) arranged adjacent to the recline lock (166), the second release actuator (178B) being operable to pull the second connecting part (182) into motion, causing rotation of the recline lock (166) into the unlocked state via sliding contact between the recline lock (166) and the ramp (184).

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