# US 12,759,500 B2 · Lateral shock absorber and child car safety seat therewith

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- Number: US 12,759,500 B2
- Document ID: US12759500B2
- Status: Granted
- Kind: B2
- Application number: 18/776,268
- Filed: 2024-07-18
- Published: 2024-11-07
- Granted: 2026-10-13
- Earliest claimed: 2017-12-07
- Assignees: Bambino Prezioso Switzerland AG
- Applicants: Bambino Prezioso Switzerland AG
- Inventors: Hong-Bo Chen
- Web page: https://patentgrep.com/patent/US12759500B2

## CPC

- B60R 22/105: {for children (adaptation of children's seats for seat belts B60N2/265, B60N2/2803)}
- B60N 2/2821: {having a seat and a base part}
- B60N 2/2851: {provided with head-rests}
- B60N 2/2872: {provided with side rests}
- B60N 2/2881: {Upholstery, padded or cushioned members therefor}
- B60N 2/2884: {with protection systems against abnormal g-forces}
- B60N 2/4235: {transversal}
- B60R 21/055: Padded {or energy-absorbing} fittings {, e.g. seat belt anchors (sun visors B60J3/00; head rests B60N2/80)}
- B60R 22/28: incorporating energy-absorbing devices {(belt anchors provided with energy-absorbing means for protecting the occupants in case of physical contact therewith B60R21/055; belt retractors comprising energy-absorbing means B60R22/341, B60R22/4676)}
- B60R 2021/0006: {Lateral collision}
- B60R 2021/006: {Type of passenger}
- B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60N: SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR

## Abstract

A lateral shock absorber is provided and includes a protective fender and a locking mechanism. The protective fender is pivotally switchable between a folded state and an unfolded state relative to a base of a child car safety seat. The locking mechanism includes a locking assembly and an abutting block. The locking assembly is for engaging with the protective fender to restrain the protective fender from moving. The abutting block is pressed downwardly by a seat body of the child car safety seat when the seat body is installed on the base, and the locking assembly is driven by the abutting block to disengage from the protective fender when the abutting block is pressed downwardly by the seat body. Besides, a child car safety seat having the aforementioned lateral shock absorber is also provided.

## Claims

### Claim 1

A lateral shock absorber comprising:
a protective fender pivoted to a base of a child car safety seat and pivotally switchable between a folded state and an unfolded state relative to the base of the child car safety seat; and
a locking mechanism for selectively engaging with the protective fender to restrain the protective fender from switching to the unfolded state or disengaging from the protective fender to allow the protective fender to switch to the unfolded state when the protective fender is located in the folded state, the locking mechanism being disposed on the base of the child car safety seat, the locking mechanism comprising a locking assembly and an abutting block, the locking assembly being switchable between a locking state for engaging with the protective fender to restrain the protective fender from moving and a releasing state for allowing the protective fender to switch to the unfolded state from the folded state, the abutting block being pressed downwardly by a seat body of the child car safety seat when the seat body of the child car safety seat is installed on the base of the child car safety seat, and the locking assembly being driven by the abutting block to switch to the releasing state from the locking state when the abutting block is pressed downwardly by the seat body of the child car safety seat.

### Claim 2 (depends on 1)

The lateral shock absorber of claim 1, wherein the locking mechanism further comprises an abutting component connected to the abutting block, and the abutting component is driven by the abutting block to drive the locking assembly to the releasing state when the abutting block is pressed downwardly by the seat body of the child car safety seat.

### Claim 3 (depends on 2)

The lateral shock absorber of claim 2, wherein the locking assembly comprises at least one protruding lug, the abutting component comprises a first abutting portion detachably abutting against the at least one protruding lug, the abutting component is driven by the abutting block to press the at least one protruding lug to drive the locking assembly to the releasing state when the abutting block is pressed downwardly to a first position, and the abutting component is driven by the abutting block to disengage the first abutting portion from the at least one protruding lug to drive the locking assembly to the locking state when the abutting block is pressed downwardly from the first position to a second position lower than the first position.

### Claim 4 (depends on 3)

The lateral shock absorber of claim 3, wherein the abutting component further comprises a second abutting portion, a vertical distance between the second abutting portion and the at least one protruding lug is greater than a vertical distance between the first abutting portion and the at least one protruding lug, and the at least one protruding lug abuts against the second abutting portion after disengagement of the at least one protruding lug and the first abutting portion.

### Claim 5 (depends on 4)

The lateral shock absorber of claim 4, wherein the locking assembly comprises a locking rod, a pivoting component and a recovering component, the locking rod comprises a locking end and a connecting end, the locking end is for engaging with the protective fender to restrain the protective fender from moving, the connecting end is pivoted to the pivoting component, the at least one protruding lug is disposed on the pivoting component, the recovering component is for biasing the locking rod to recover, and when the abutting block is pressed downwardly from the first position to the second position, the abutting component is driven by the abutting block to disengage the first abutting portion from the at least one protruding lug, so that the locking rod is driven by the recovering component to drive the at least one protruding lug to abut against the second abutting portion for allowing the locking end to engage with the protective fender switching from the unfolded state to folded state.

### Claim 6 (depends on 5)

The lateral shock absorber of claim 5, wherein the locking rod further comprises a block plate located between the locking end and the connecting end, and the recovering component abuts between the block plate and the base of the child car safety seat.

### Claim 7 (depends on 5)

The lateral shock absorber of claim 5, wherein the locking mechanism further comprises a pushing component disposed beneath the pivoting component, and the pushing component comprises a pushing inclined surface for abutting a lower end of the pivoting component, so as to drive the pivoting component to pivot to disengage the at least one protruding lug from the first abutting portion when the abutting block is pressed downwardly from the first position to the second position.

### Claim 8 (depends on 2)

The lateral shock absorber of claim 2, wherein the abutting block and the abutting component are integrally formed.

### Claim 9 (depends on 1)

The lateral shock absorber of claim 1, wherein the locking mechanism further comprises a recovering component abutting against the base of the child car safety seat and the abutting block and for biasing the abutting block to recover.

### Claim 10 (depends on 1)

The lateral shock absorber of claim 1, further comprising a resilient component abutting between the protective fender and the base of the child car safety seat and for biasing the protective fender to switch to the unfolded state.

### Claim 11

A child car safety seat comprising:
a base;
a seat body detachably installed on the base; and
a lateral shock absorber disposed on a side of the base, the lateral shock absorber comprising:
a protective fender pivoted to the base and pivotally switchable between a folded state and an unfolded state relative to the base; and
a locking mechanism for selectively engaging with the protective fender to restrain the protective fender from switching to the unfolded state or disengaging from the protective fender to allow the protective fender to switch to the unfolded state when the protective fender is located in the folded state, the locking mechanism being disposed on the base, the locking mechanism comprising a locking assembly and an abutting block, the locking assembly being switchable between a locking state for engaging with the protective fender to restrain the protective fender from moving and a releasing state for allowing the protective fender to switch to the unfolded state from the folded state, the abutting block is pressed downwardly by the seat body when the seat body is installed on the base, and the locking assembly being driven by the abutting block to switch to the releasing state from the locking state when the abutting block is pressed downwardly by the seat body.

### Claim 12 (depends on 11)

The child car safety seat of claim 11, wherein the locking mechanism further comprises an abutting component connected to the abutting block, and the abutting component is driven by the abutting block to drive the locking assembly to the releasing state when the abutting block is pressed downwardly by the seat body.

### Claim 13 (depends on 12)

The child car safety seat of claim 12, wherein the locking assembly comprises at least one protruding lug, the abutting component comprises a first abutting portion detachably abutting against the at least one protruding lug, the abutting component is driven by the abutting block to press the at least one protruding lug to drive the locking assembly to the releasing state when the abutting block is pressed downwardly to a first position, and the abutting component is driven by the abutting block to disengage the first abutting portion from the at least one protruding lug to drive the locking assembly to the locking state when the abutting block is pressed downwardly from the first position to a second position lower than the first position.

### Claim 14 (depends on 13)

The child car safety seat of claim 13, wherein the abutting component further comprises a second abutting portion, a vertical distance between the second abutting portion and the at least one protruding lug is greater than a vertical distance between the first abutting portion and the at least one protruding lug, and the at least one protruding lug abuts against the second abutting portion after disengagement of the at least one protruding lug and the first abutting portion.

### Claim 15 (depends on 14)

The child car safety seat of claim 14, wherein the locking assembly comprises a locking rod, a pivoting component and a recovering component, the locking rod comprises a locking end and a connecting end, the locking end is for engaging with the protective fender to restrain the protective fender from moving, the connecting end is pivoted to the pivoting component, the at least one protruding lug is disposed on the pivoting component, the recovering component is for biasing the locking rod to recover, and when the abutting block is pressed downwardly from the first position to the second position, the abutting component is driven by the abutting block to disengage the first abutting portion from the at least one protruding lug, so that the locking rod is driven by the recovering component to drive the at least one protruding lug to abut against the second abutting portion for allowing the locking end to engage with the protective fender switching from the unfolded state to folded state.

### Claim 16 (depends on 15)

The child car safety seat of claim 15, wherein the locking rod further comprises a block plate located between the locking end and the connecting end, and the recovering component abuts between the block plate and the base.

### Claim 17 (depends on 15)

The child car safety seat of claim 15, wherein the locking mechanism further comprises a pushing component disposed beneath the pivoting component, and the pushing component comprises a pushing inclined surface for abutting a lower end of the pivoting component, so as to drive the pivoting component to pivot to disengage the at least one protruding lug from the first abutting portion when the abutting block is pressed downwardly from the first position to the second position.

### Claim 18 (depends on 12)

The child car safety seat of claim 12, wherein the abutting block and the abutting component are integrally formed.

### Claim 19 (depends on 11)

The child car safety seat of claim 11, wherein the locking mechanism further comprises a recovering component abutting against the base and the abutting block and for biasing the abutting block to recover.

### Claim 20 (depends on 11)

The child car safety seat of claim 11, wherein the lateral shock absorber further comprises a resilient component abutting between the protective fender and the base and for biasing the protective fender to switch to the unfolded state.