GB2146895A - Improvements in or relating to a safety seat - Google Patents

Improvements in or relating to a safety seat Download PDF

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Publication number
GB2146895A
GB2146895A GB08325723A GB8325723A GB2146895A GB 2146895 A GB2146895 A GB 2146895A GB 08325723 A GB08325723 A GB 08325723A GB 8325723 A GB8325723 A GB 8325723A GB 2146895 A GB2146895 A GB 2146895A
Authority
GB
United Kingdom
Prior art keywords
seat
child
back
substantially flat
ramp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB08325723A
Other versions
GB2146895B (en
GB8325723D0 (en
Inventor
Mark Edward Esner
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.)
WALL Ltd HOWARD
HOWARD WALL Ltd
Original Assignee
WALL LTD HOWARD
HOWARD WALL Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WALL LTD HOWARD, HOWARD WALL Ltd filed Critical WALL LTD HOWARD
Priority to GB08325723A priority Critical patent/GB2146895B/en
Publication of GB8325723D0 publication Critical patent/GB8325723D0/en
Publication of GB2146895A publication Critical patent/GB2146895A/en
Application granted granted Critical
Publication of GB2146895B publication Critical patent/GB2146895B/en
Application status is Expired legal-status Critical

Links

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
    • B60N2/2821Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a seat and a base part
    • 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
    • B60N2/2857Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle characterised by the peculiar orientation of the child
    • B60N2/286Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle characterised by the peculiar orientation of the child forward facing

Abstract

A child's safety vehicle seat has a separate ramp element 19 towards the front edge of the seat to prevent "submarining" (i.e. sliding downwards and forwards) of the child under accident conditions. <IMAGE>

Description

SPECIFICATION Improvements in or Relating to a Safety Seat The present invention relates to a safety seat and more particularly relates to a safety seat of the type utilised by small children travelling in the rear of a motor vehicle such as a motor car. Such a seat may also be mounted on the front seat of a motor car.

It has been proposed to provide safety seat for children travelling in a motor vehicle such as a motor car. Typically, such a safety seat comprises a shell formed of a plastics material. The shell normally defines a substantially flat portion to accommodate the posterior of the child. On either side of the flat portion are upstanding substantially vertical portions that serve to prevent the posterior of the child falling off the edge of the seat. The seat is usually provided with a substantially flat back, and towards the top of the back there are normally two forwardly extendly wings which are located on either side of the head of a child sitting on the seat.

The shell may, of course, be provided with appropriate padding in form of cushions of foamed plastics material or the like, and may be provided with a fabric cover.

The shell may be mounted in the motor vehicle either by means of straps secured to the shell and mounted to appropriate anchor points in the vehicle or by connecting the shell to an appropriate metal frame that can stand on the front or rear seat of a motor vehicle, the frame being anchored to appropriate anchor points within the vehicle.

Straps are provided, secured to the shell, adapted to be buckled around a child sitting in the seat to retain the child in the seat. Typically the straps comprise two shoulder straps each adapted to pass from a position behind the child sitting in the seat over one shoulder of the child to a buckle located at the level of the waist of a child sitting in the seat.

Two waist straps are provided which are again connected to the shell and pass up to the buckle.

Also a crotch strap is provided extending from the buckle downwardly between the legs of the child to an appropriate point located in the seat. The purpose of the crotch strap is to prevent "submarining" of a child during an accident. It should be mentioned that, in an accident situation, it is possible for a child to slide downwards within the seat, the posterior of the child thus moving forwardly off the front edge of the seat. The end result of this is that the child is in a very awkward position and can be injured. This is known as "submarining".

The European Regulations relating to child safety seats of this type are such that if a crotch strap is provided, the crotch strap must automatically be released when a certain very low pressure is applied to the crotch strap. The purpose of this regulation is to prevent the crotch strap damaging a child in a safety seat when an accident occurs. However, if the crotch strap is omitted from a safety seat of the type described above, or even if the crotch strap releases under low applied forces, under accident conditions submarining may well occur, which is clearly disadvantageous.

The present invention seeks to reduce or obviate the above described problem.

According to this invention there is provided a child's safety seat for use in an automobile such as a car, said safety seat comprising a substantially flat seat portion and a back portion, harness means defining shoulder straps and a lap strap for retaining a child in position in the seat, means for securing the seat in position in a motor vehicle and ramp means adjacent the front edge of the seat defining a raised portion extending across the entire width of the seat to restrain submarining of the child sitting in the seat.

Preferably the seat is a substantially flat seat and the back is a substantially flat back, the seat and back being substantially at 90 degrees to each other, the ramp means being located above the plane of the seat.

Conveniently the ramp means comprises a separate ramp element mounted on the seat.

Advantageously the ramp element is snapfastened to the seat.

In order that the invention may be more readily understood, and so that further features thereof may be appreciated, the invention will now be described, by way of example, with reference to the accompanying drawings, in which: Figure 1 is a perspective view of a shell of a child safety seat in accordance with the invention; Figure 2 is a vertical section view of part of Figure land Figure 3 is a perspective view of the ramp member present in the seat shell of Figures 1 and 2.

Referring initially to Figure 1 the plastics material shell 1 of a child safety seat is illustrated. The shell defines a substantially flat portion 2 which is intended to accommodate the posterior of a child.

There are two vertically upstanding portions 3, 4, located to either side of the flat portion 2. The portions 3,4 serve to prevent the posterior of a child falling off the side edges of the safety seat, and also effectively define arm rests 5. The seat is provided with a flat upstanding back portion 6 which extends upwardly from the rear of the flat portion 2. There are two forwardly extending wing portions 7,8 which extends forwardly from the back portion adjacent the region occupied by the head of a child located in the seat.

Provided on the rear of the shell are appropriate apertures 9 which are shown as accommodating strap portions 10 which extend to a quick release buckle 11. Further strap portions 12 extend from the quick release buckle to apertures 13 formed in the side portion of the shell. The strap portions 10 and 12 are anchored to the shell by means of appropriate buckles only one of which 14 is shown.

It will be appreciated that the described straps and quick release buckle form a harness comprising two shoulder straps and a waist strap.

The shell is provided with rearwardly directed protrusions 15, 16, which are provided with apertures 17, 18. The apertures may accommodate bolts to connect the shell to the frame, the frame being connected to suitable anchoring points within the motor vehicle by means of straps or alternatively the apertures 17 and 18 may accommodate bolts that are directly connected to straps that extend to appropriate anchor points in the motor vehicle.

As thus far described the seat illustrated in Figure 1 is exactly the same as a prior art seat, save that the prior art seat would usually be provided with a crotch strap extending from the quick release buckle 11 to the front edge of the seat 2 in order to prevent "submarining" in accident conditions. In the illustrated embodiment of the invention there is no such crotch strap. Consequently the illustrated embodiment of the invention complies with the European Requirement for there to be no crotch strap that can injure a child under accident conditions. However, in order to prevent "submarining" of a child under accident conditions, a separate ramp element 19 has been provided which is connected to the shell 1 as will be described hereinafter in greater detail.The ramp element 19 is an elongate element that is located transversely of the seat 2 immediately adjacent the forward edge thereof. The ramp element 19 has a curved upper surface 20 adapted to rest under the thighs of a child sitting in the seat. Should an accident occur, and should a child sitting in the seat tend to submarine, the lower part of the child will move in the direction of the arrow 21 shown in Figure 2, and the child will then engage the inclined upper surface 20 of the ramp element 19. During the forward movement of the child relative to the seat the inclined upper surface 20 of the ramp element 19 imparts a lifting movement which causes the thighs of the child to press against the restraining straps, thus offsetting the forward movement of the lower parts of the body in relation to the upper torso.The effect of this is that further "submarining" is then prevented, and the child remains in a substantially upright position within the seat.

The ramp element 19, as can be seen most clearly in Figure 3, comprises a member that defines the curved upper surface 20. The underpart of the member 19 is hollow, and the member is reinforced by various transverse ribs 22 which extend in a front-to-back orientation. Two ribs are provided with downwardly protruding portions 23 which constitute snap fastening lugs adapted to cooperate with appropriate apertures formed in the seat 2 of the shell. Thus the ramp element may be placed in position on the shell and gently forced downwardly, and the snap acting lugs then secure the ramp element in position. The complete shell may then be provided with appropriate padding and a fabric covering.

The provision of a separate ramp element 19 has the advantage that the existing shell may be utilised in the fabrication of the seat, minimising additional tooling costs. Also the use of the separate element 19 has the advantage that the seat can still be fabricated on a two-part injection mould. It would, of course, be possible to design a seat having an integrally moulded part corresponding to the ramp element 19, but this would involve the use of a very complex, and thus expensive, mould.

Whilst one particular ramp element has been described which is connected to the shell in one particular way, many modifications may be effected to the ramp element. The ramp element may be designed to be connected to the shell in one of several ways, e.g. by adhesive, rivetting, spring clips, or by the use of integral register dowels.

Claims (2)

1. A child's safety seat for use in an automobile such as a car, said safety seat comprising a substantially flat seat portion and a back portion, harness means defining shoulder straps and a lap strap for retaining a child in position in the seat, means for securing the seat in position in a motor vehicle and ramp means adjacent the front edge of the seat defining a raised portion extending across the entire width of the seat to restrain submarining of the child sitting in the seat.
2. A seat according to claim 1, wherein the seat is a substantially flat seat and the back is a substantially flat back, the seat and back being substantially at 90 degrees to each other.
2. A seat according to claim 1, wherein the seat is a substantially flat seat and the back is a substantially flat back, the seat and back being substantially at 90 degrees to each other, the ramp means being located above the plane of the seat.
3. A seat according to claim 1 or claim 2 wherein the ramp means comprises a separate element mounted on the seat.
4. A seat according to claim 3, wherein the ramp element is snap-fastened to the seat.
5. A child's safety seat substantially as herein described with reference to and as shown in the accompanying drawings.
6. Any novel feature or combination of features disclosed herein.
Amendments to the claims have been fiied, and have the following effect: (a) Claims 1,2 and 6 above have been deleted or textually amended.
(b) New or textually amended claims have been filed as follows:-
1. A child's safety seat for use in a vehicle such as a car, said safety seat comprising a substantially flat seat portion on which a child occupying the seat is to sit and a substantially flat back portion against which the back of a child sitting in the seat will rest, harness means defining shoulder straps and a lap strap for retaining a child in position in the seat, means for securing the seat in position in the vehicle and ramp means extending across the entire width of the seat only in a front edge region thereof defining a raised portion to restrain submarining of the child sitting in the seat, the ramp being located above the plane of the seat.
GB08325723A 1983-09-26 1983-09-26 Improvements in or relating to a safety seat Expired GB2146895B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08325723A GB2146895B (en) 1983-09-26 1983-09-26 Improvements in or relating to a safety seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08325723A GB2146895B (en) 1983-09-26 1983-09-26 Improvements in or relating to a safety seat

Publications (3)

Publication Number Publication Date
GB8325723D0 GB8325723D0 (en) 1983-10-26
GB2146895A true GB2146895A (en) 1985-05-01
GB2146895B GB2146895B (en) 1987-02-04

Family

ID=10549313

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08325723A Expired GB2146895B (en) 1983-09-26 1983-09-26 Improvements in or relating to a safety seat

Country Status (1)

Country Link
GB (1) GB2146895B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1223075A1 (en) * 2001-01-05 2002-07-17 Ford Global Technologies, Inc. Automotive seat with height adjustable seat cushion
EP2412565A1 (en) 2010-07-27 2012-02-01 BRITAX RÖMER Kindersicherheit GmbH Energy absorbing element for a child safety seat

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1374266A (en) * 1972-11-22 1974-11-20 Kl Automotive Products Ltd Childrens safety seats for use in vehicles and craft
GB1494651A (en) * 1975-07-15 1977-12-07 Buckeye Int Childs car seat apparatus
WO1982001171A1 (en) * 1980-10-01 1982-04-15 H Adomeit Child seat for motor vehicle
GB2102283A (en) * 1981-06-15 1983-02-02 Klemens Enste Supports for handicapped children

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1374266A (en) * 1972-11-22 1974-11-20 Kl Automotive Products Ltd Childrens safety seats for use in vehicles and craft
GB1494651A (en) * 1975-07-15 1977-12-07 Buckeye Int Childs car seat apparatus
WO1982001171A1 (en) * 1980-10-01 1982-04-15 H Adomeit Child seat for motor vehicle
GB2102283A (en) * 1981-06-15 1983-02-02 Klemens Enste Supports for handicapped children

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1223075A1 (en) * 2001-01-05 2002-07-17 Ford Global Technologies, Inc. Automotive seat with height adjustable seat cushion
US6758520B2 (en) 2001-01-05 2004-07-06 Ford Global Technologies, Inc. Adjustable height automotive seat
EP2412565A1 (en) 2010-07-27 2012-02-01 BRITAX RÖMER Kindersicherheit GmbH Energy absorbing element for a child safety seat

Also Published As

Publication number Publication date
GB8325723D0 (en) 1983-10-26
GB2146895B (en) 1987-02-04

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee