CN106394345B - A kind of threading method of child safety seat and its safety belt - Google Patents

A kind of threading method of child safety seat and its safety belt Download PDF

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Publication number
CN106394345B
CN106394345B CN201610910931.4A CN201610910931A CN106394345B CN 106394345 B CN106394345 B CN 106394345B CN 201610910931 A CN201610910931 A CN 201610910931A CN 106394345 B CN106394345 B CN 106394345B
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CN
China
Prior art keywords
pedestal
folding pawl
slot
pawl
isofix
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Active
Application number
CN201610910931.4A
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Chinese (zh)
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CN106394345A (en
Inventor
廖兴旺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Kai Tak Automotive Products Manufacturing Co Ltd
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Ningbo Kai Tak Automotive Products Manufacturing Co Ltd
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Priority to CN201610910931.4A priority Critical patent/CN106394345B/en
Publication of CN106394345A publication Critical patent/CN106394345A/en
Application granted granted Critical
Publication of CN106394345B publication Critical patent/CN106394345B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2803Adaptations for seat belts
    • B60N2/2812Adaptations for seat belts for securing the child to the child seat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2803Adaptations for seat belts
    • B60N2/2818Adaptations for seat belts characterised by guiding means for children belts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2872Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle provided with side rests
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2887Fixation to a transversal anchorage bar, e.g. isofix
    • B60N2/2893Fixation to a transversal anchorage bar, e.g. isofix coupled to the seat sub-frame

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

The invention discloses a kind of child safety seats, including pedestal and pedestal, the pedestal includes seating portion and backrest portion, it is characterized in that, the two sides of the pedestal are respectively arranged with hook groove of the opening towards pedestal back, the seat surface of the pedestal is provided with an ISOFIX erecting bed, the bottom that the ISOFIX erecting bed passes through the fixed seating portion of ISOFIX component, the ISOFIX erecting bed is provided at least one wear body away from the front end face of pedestal, the two sides of the backrest portion have been formed by bending backplate, and the backplate two sides crooked position of the backrest portion is formed with close to top position splits slot.

Description

A kind of threading method of child safety seat and its safety belt
Technical field
The present invention relates to safety chair seats of car fields, more specifically, it relates to a kind of child safety seat and its safety The threading method of band.
Background technique
Currently, the safety belt applied on automobile is commonly obliquely carried over one shoulder three-point safety belt, it is for driver and to take people The safety guard of member, obliquely carried over one shoulder three-point safety belt are widely used due to its being easy to use property, characteristic easy to operate. But when automobile urgent brake or hard hit, human body the position of obliquely carried over one shoulder three-point safety belt will by great pressure, Easily human body is made to come to harm at the position for tiltedly carrying safety belt on the arm, or even causes to fracture.
It is universal now in vehicle, child safety seat would generally be set on vehicle, the considerations of for children's safety, it is necessary to Safety belt, present this three-point safety belt, although threading is convenient, since there are when above-mentioned emergency brake or vehicle collision are set It tiltedly carries position stress concentration on the arm and is not easy the problem of dispersing and exist, the injury for caused by children will become especially huge, for this Problem urgently improves the design of child safety seat, the threading mode of safety belt.
Summary of the invention
The first object of the present invention is to provide one kind and is provided with safety belt threading structure and dispersible safety belt stress concentration Child safety seat.
To achieve the above object, it is realized by following technological means: a kind of child safety seat, including pedestal and pedestal, The pedestal includes seating portion and backrest portion, which is characterized in that the two sides of the pedestal are respectively arranged with opening and carry on the back towards pedestal The hook groove in portion, the seat surface of the pedestal are provided with an ISOFIX erecting bed, which is fixed by ISOFIX component The bottom of seating portion, the ISOFIX erecting bed are provided at least one wear body away from the front end face of pedestal, the backrest portion Two sides have been formed by bending backplate, and the backplate two sides crooked position of the backrest portion is formed with close to top position splits slot.
It advanced optimizes are as follows: 20 ° obliquely~45 ° of the notch of hook groove settings.
It advanced optimizes are as follows: the wear body is separately positioned on there are two being arranged in the front end face of ISOFIX erecting bed Corner between ISOFIX erecting bed front end face and side.
Advanced optimize are as follows: the backrest portion split groove top portion be provided with it is openable or closing change split channel opening opening and closing dress It sets.
It advanced optimizes are as follows: the headstock gear includes that the first folding pawl and second split at left and right sides of groove top portion is arranged in Pawl is opened and closed, the first folding pawl and the second folding pawl are rotatably connected on the left and right sides for splitting groove top portion and in rotation process respectively Middle closure or openness split the opening of slot.
Advanced optimize are as follows: it is described split be respectively arranged at left and right sides of groove top portion with it is the first of the first folding pawl cooperation solid Reservation and the second fixing seat cooperated with the second folding pawl, first fixing seat are provided with a section cornerite greater than 200 ° and one The cylindrical connecting cylinder of side opening, the first folding pawl are articulated in the connecting cylinder of the first fixing seat by a shaft, and described the Two folding pawls are in hook-shaped with respect to one end of the first folding pawl, and when the first folding pawl and the second folding pawl closure, the second folding pawl End fit in the outer wall of connecting cylinder, the fixation that can fix them is additionally provided between the first folding pawl and the second folding pawl Structure.
It advanced optimizes are as follows: the fixed structure includes that the second folding pawl end is arranged in open and close the convex of pawl towards first It rises, the first folding pawl position corresponding with the protrusion is provided with catching groove, when the first folding pawl and the second folding pawl closure When, the catching groove convexes to form clamping with described.
It advanced optimizes are as follows: set with the front and rear, left and right of seat, short transverse x, Y and Z-direction, wear body and hook Projector distance of the slot in x-axis and hook groove and to split the ratio between the projector distance of slot in x-axis be 3~4: 2;Wear body and hook groove are in Y Projector distance on axis and hook groove and to split the ratio between the projector distance of slot in Y-axis be 1: 19~20.
Through the above technical solutions, being provided with two symmetrical hook grooves on the pedestal of child safety seat, and leaning on Two are provided on back and splits slot, and after upper safety belt is arranged, safety belt will be from one of hook groove around ISOFIX peace The wear body for filling platform front end face is pierced by from another hook groove later, is then moved towards to pass through one of upwards and is split slot later from another A slot that splits is pierced by, and formation is inclined cross formula three-point safety belt, and when in use, children will be sitting on the seating portion of pedestal and fasten peace After full band, three stress points are two grooves and one of backplate, after there is emergency brake or vehicle collision, at first by Power and stress maximum are safety belt and two power between hook groove and backplate, and tying up the safety belt with children will be with children Between generate flexible buffer, the stress concentrated between safety belt and children originally is distributed to safety belt and two hook grooves and its In on a backplate, alleviate the moment extruding force between children and safety belt.
The second object of the present invention be to provide a kind of installation safety belt quickly, safe threading side is used after threading Method.
To achieve the above object, it is realized by following technological means: a kind of child safety seat for above-mentioned technical proposal The threading method of the safety belt of chair, on pedestal safety butt joint base matched in automobile, and in butt joint base the bottom of close to At least side of seat side is provided with lower fixed point,
A. the lower fixed point is fixed in one end of the safety belt;
B. the other end passes through the hook groove on base side close to the fixed point;
C. pass through ISOFIX erecting bed front end face and be bonded wear body and be pierced by and wear from another hook groove of base side later Cross lock;
D. two that the first folding pawl and the second folding pawl are are opened and splits the top end opening of slot in opened condition;
E. it pulls on safety belt and splits slot through far from the lower fixed point, be then fixed to from another split after slot is pierced by Vehicle-mounted upper fixed point;
F. the top that two split slot is closed by the first folding pawl of closure and the second folding pawl.
Through the above technical solutions, one end of safety belt, which is first fixed on after lower fixed point, may be implemented disposably sequentially It wears hook groove and splits slot, and will be limited between pedestal and seating portion from the safety belt that ISOFIx erecting bed front end face bypasses, The disengaging between seat can not also occur during realizing automatic slide, use very smooth, reduction safety Generation with stuck phenomenon;By the way that open-and-close mechanism is arranged at the top for splitting slot so that threading becomes more convenient, can directly by Safety belt enters two from top to bottom and splits in slot, then first folding pawl with second folding pawl closure seal split slot opening prevent Only safety belt is skidded off from splitting in slot;And when the setting for traffic accident occur can open the first folding if children are pinioned by safety belt Pawl and the second folding pawl, so that the opening that safety belt splits slot from two skids off, so that children are detached from safety after safety belt loosens Band is tied up around the rescue of convenient for children flees from process.
The advantages of the present invention over the prior art are that: hook groove is set on the pedestal of child safety seat first, Backrest portion backplate corner setting splits slot, after safety belt is set, safety belt in use, stress raiser two At a hook groove and on one of backplate, avoid stress between safety belt and children and concentrate, thus when occur emergency brake or When collision, safety belt will not cause the extruding energetically of moment to children, reduce safety and bring harm caused by passenger;Separately The structure of the outer combination child safety seat designs, and will become very convenient in the threading installation of safety belt, and realize disposable Sequentially pass around, after threading safety belt firmly install and it is smooth.
Detailed description of the invention
Fig. 1 and Fig. 2 is the child safety seat entirety axonometric drawing of the present embodiment;
Fig. 3 is the first folding pawl and the second folding pawl closed state structure chart of the present embodiment;
Fig. 4 is the first folding pawl and the second folding pawl opening state structure chart of the present embodiment;
Fig. 5 is the first folding pawl structure schematic diagram of the present embodiment;
Fig. 6 to Fig. 9 is the safety belt threading step schematic diagram of the present embodiment.
In figure, 1, pedestal;11, hook groove;21, seating portion;22, backrest portion;221, backplate;222, it rests the head on;3, ISOFIX pacifies Fill platform;31, wear body;4, slot is split;51, the first folding pawl;511, shaft;512, catching groove;52, the second folding pawl;521, hook-shaped End;522, raised;61, the first fixing seat;611, connecting cylinder;62, the second fixing seat;7, butt joint base;8, safety belt;9, it latches.
Specific embodiment
It is described in further detail with reference to the accompanying drawing and by specific embodiment to invention, following embodiment is descriptive , it is not restrictive protection scope of the present invention.
Embodiment
A kind of threading method of child safety seat and its safety belt 8, the structure of seat is referring to attached Fig. 1 and 2, including pedestal 1 and pedestal, pedestal again include seating portion 21 and backrest portion 22, headrest 222 is provided in backrest portion 22, is arranged on pedestal 1 There is ISOFIX erecting bed 3, ISOFIX component is installed thereon, realizes pedestal 1 in the seating portion 21 of pedestal by ISOFIX component The connection of bottom;It is provided with hook groove 11 what the two sides of pedestal 1 piled, hook groove 11 tilts upward 20 °~45 ° settings, The front end face of ISOFIX erecting bed 3 is provided with two pieces of wear bodies 31, and wear body 31 can be rigid plastics material, using what is inlayed Mode is mounted on the front end face of ISOFIX erecting bed 3;The two sides of backrest portion 22 are provided with to the bending of 21 1 side direction of seating portion Backplate 221, and be provided in the bending place of backplate 221 and split slot 4, it splits slot 4 and is arranged in backrest portion 22 close to upside position, and split The upper end opening of slot 4 is provided with open-and-close mechanism in opening;Open-and-close mechanism includes that the first folding pawl 51 and second open and close pawl 52, Wherein the first folding pawl 51 and the second folding pawl 52 are mounted on by the first fixing seat 61 and the second fixing seat 62 respectively splits slot 4 and opens Two sides at the top of mouthful.
Referring to attached drawing 3 to attached drawing 5, the first folding pawl 51 is provided with shaft 511 and button far from the end of the second folding pawl 52 Slot 512 is provided with connecting cylinder 611, the ring that 611 section of connecting cylinder therein is 200 ° of cornerite or more in the first fixing seat 61 Shape, the shaft 511 of the first folding pawl 51 buckle into connecting cylinder 611 pivot joint for realizing the first folding pawl 51 and the first fixing seat 61; The end of second folding pawl 52 is hook-shaped end 521 and back is provided with protrusion 522, and when in use, second opens and closes pawl 52 It first rotates to the first folding pawl 51 so that hook-shaped end 521 is fitted on the barrel of connecting cylinder 611, then the first folding pawl 51 is to the Two folding pawls 52 rotate, and in rotary course, catching groove 512 and protrusion 522 will be formed and be clamped, to realize the first folding 51 He of pawl Closure stationary state between second folding pawl 52.
Referring to attached drawing 6 to attached drawing 9, it is the threading method and step figure of safety belt 8, the pedestal 1 of seat is mounted on automobile After on butt joint base 7, one end of safety belt 8 is first fixed on the lower fixed point of butt joint base 7, and in the present embodiment, lower fixed point is located at The right side of pedestal 1, lower fixed point are located at the rear of 1 right side hook groove 11 of pedestal;Then the free end of safety belt 8 is on the right side of pedestal 1 Hook groove 11 pass through, from the hook groove 11 in the left side of pedestal 1 after being contacted around 3 front end face of ISOFIX erecting bed and with wear body 31 Outflow, is subsequently passed through lock 9;Safety belt 8 is worn there are two types of modes later, the first: direct wearing strip method, the first folding 51 He of pawl Second folding pawl 52 is in closed state, and the free end of safety belt 8, which is formed directly into, splits slot 4 close to 9 sides of lock, then passes through Channel between headrest 222 and backrest portion 22 is pierced by from another slot 4 that splits, and the free end of safety belt 8 is fixed upper solid in the car later At fixed point;Second: first the first folding pawl 51 and the second folding pawl 52 being opened, safety belt 8 is pulled, directly splits slot 4 from two Top open part enter straight down, then prevent safety belt 8 from splitting the first folding pawl 51 and the second folding closure of pawl 52 The top of slot 4 skids off, later the fixed upper fixed point in the car in the free end of safety belt 8.The threading of certain above-mentioned safety belt 8 Mounting means is suitable for the crowd of right-handed person, if passenger is left-handed person, threading mode can be opposite with aforesaid way.
When personnel take, the lock 9 in 1 left side of pedestal is pulled, locks the hasp seat that sub- 1 right side of pedestal is set (in figure Be not drawn into) on, safety belt 8 will in obliquely carried over one shoulder by take children pinion, act on children safety belt 8 be mainly two parts, one Part is extruded at belly, and another part is carried on the arm from left shoulder slope to from right waist, and in the formula of using, this three-point safety belt 8 is operated It is very efficient and convenient.When emergency brake occur or colliding, personnel can will be tightened up due to inertia preshoot, safety belt 8 and to human body It generates and one exerts oneself anyway, during this, the stress of safety belt 8 will be focused on the backplate 221 of two hook grooves 11 and left side, human body It will be buffering extrusion process that belly part and left shoulder, which tiltedly carry position and safety belt 8 on the arm to right waist, and the stress for receiving safety belt 8 is concentrated Few, personnel's damage probability caused by safety belt 8 will greatly reduce.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (7)

1. a kind of child safety seat, including pedestal (1) and pedestal, the pedestal includes seating portion (21) and backrest portion (22), It is characterized in that, the two sides of the pedestal (1) are respectively arranged with hook groove (11) of the opening towards pedestal back, the pedestal (1) Seat surface be provided with an ISOFIX erecting bed (3), which passes through ISOFIX component fixed seating portion (21) Bottom, the ISOFIX erecting bed (3) are provided at least one wear body (31), the backrest portion (22) away from the front end face of pedestal Two sides be formed by bending backplate (221), backplate (221) two sides crooked position of the backrest portion (22) is formed close to top position Have and split slot (4), the splitting of the backrest portion (22) is provided at the top of slot (4) openable or closes opening and closing dress for splitting slot (4) opening It sets, the headstock gear includes that the first folding pawl (51) at left and right sides of at the top of slot (4) and the second folding pawl (52) are being split in setting, First folding pawl (51) and second opens and closes pawl (52) and is rotatably connected on respectively and splits the left and right sides at the top of slot (4) and in rotation Closure or openness split the opening of slot (4) in the process.
2. child safety seat according to claim 1, which is characterized in that 20 ° obliquely of the notch of the hook groove (11) ~45 ° of settings.
3. child safety seat according to claim 1, which is characterized in that the wear body (31) is in ISOFIX erecting bed (3) there are two front end face settings, is separately positioned on corner of the ISOFIX erecting bed (3) between front end face and side.
4. child safety seat according to claim 1, which is characterized in that the left and right sides split at the top of slot (4) point It is not provided with the first fixing seat (61) of the first folding pawl (51) cooperation and is fixed with the second of the second folding pawl (52) cooperation Seat (62), first fixing seat (61) are provided with the cylindrical connecting cylinder that a section cornerite is greater than 200 ° and a side opening (611), first folding pawl (51) is articulated in the connecting cylinder (611) of the first fixing seat (61) by a shaft (511), described One end of opposite first folding pawl (51) of second folding pawl (52) is in hook-shaped, and first opens and closes pawl (51) and the second folding pawl (52) When closure, the end of the second folding pawl (52) fits in the outer wall of connecting cylinder (611), in the first folding pawl (51) and the second folding Pawl is additionally provided with the fixed structure that can fix them between (52).
5. child safety seat according to claim 4, which is characterized in that the fixed structure includes that setting is opened second Protrusion (522) of pawl (52) end towards the first folding pawl (51) is closed, it is opposite in the first folding pawl (51) and raised (522) The position answered is provided with catching groove (512), when the first folding pawl (51) is with the second folding pawl (52) closure, the catching groove (512) It is formed and is clamped with described raised (522).
6. child safety seat according to claim 1-5, which is characterized in that setting is with the front and back of seat, a left side Right, short transverse X, Y and Z-direction, the projector distance of wear body (31) and hook groove (11) in X-axis and hook groove (11) and split The ratio between the projector distance of slot (4) in X-axis is 3~4:2;The projector distance and hook of wear body (31) and hook groove (11) in Y-axis Slot (11) and split the ratio between the projector distance of slot (4) in Y-axis be 1:19~20.
7. a kind of threading method of the safety belt for child safety seat as claimed in claim 6, which is characterized in that described Pedestal (1) is mounted on butt joint base matched in automobile (7), and in butt joint base (7) close at least the one of pedestal (1) side Side is provided with lower fixed point,
A. the lower fixed point is fixed in one end of the safety belt (8);
B. the other end passes through the hook groove (11) on pedestal (1) side close to the fixed point;
C. pass through ISOFIX erecting bed (3) front end face and be bonded wear body (31) later from another hook groove of pedestal (1) side (11) it is pierced by and passes through lock (9);
D. it opens the first folding pawl (51) and the second folding pawl (52) makes two top end openings for splitting slot (4) in opened condition;
E. it pulls on safety belt (8) and splits slot (4) through far from the lower fixed point, then split after slot (4) is pierced by from another Fixed to vehicle-mounted upper fixed point;
F. the top that two split slot (4) is closed by the first folding pawl (51) of closure and the second folding pawl (52).
CN201610910931.4A 2016-10-20 2016-10-20 A kind of threading method of child safety seat and its safety belt Active CN106394345B (en)

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CN201610910931.4A CN106394345B (en) 2016-10-20 2016-10-20 A kind of threading method of child safety seat and its safety belt

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CN201610910931.4A CN106394345B (en) 2016-10-20 2016-10-20 A kind of threading method of child safety seat and its safety belt

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CN106394345B true CN106394345B (en) 2019-03-01

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Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
CN110001473A (en) * 2019-03-01 2019-07-12 麦克英孚(宁波)婴童用品有限公司 The safety belt threading method of anti-dress formula child safety seat

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Publication number Priority date Publication date Assignee Title
CN2767245Y (en) * 2005-01-15 2006-03-29 镇江佳峰儿童用品有限公司 Safety belt fixing structure of children' vehicular backward safety seat
CN1872582A (en) * 2005-04-29 2006-12-06 Hts汉斯托格森及索恩有限公司 Children's safety seat with guide and tension device
CN203372092U (en) * 2013-07-23 2014-01-01 台州市感恩汽车用品有限公司 Child safety seat

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Publication number Priority date Publication date Assignee Title
US20080067845A1 (en) * 2006-02-28 2008-03-20 Britax Child Safety, Inc. Carry handle seat latch for child safety seat
US9616782B2 (en) * 2014-08-29 2017-04-11 Pidyon Controls Inc. Car seat vehicle connection system, apparatus, and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2767245Y (en) * 2005-01-15 2006-03-29 镇江佳峰儿童用品有限公司 Safety belt fixing structure of children' vehicular backward safety seat
CN1872582A (en) * 2005-04-29 2006-12-06 Hts汉斯托格森及索恩有限公司 Children's safety seat with guide and tension device
CN203372092U (en) * 2013-07-23 2014-01-01 台州市感恩汽车用品有限公司 Child safety seat

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