GB2216392A - Guide strap for a safety belt system - Google Patents
Guide strap for a safety belt system Download PDFInfo
- Publication number
- GB2216392A GB2216392A GB8906084A GB8906084A GB2216392A GB 2216392 A GB2216392 A GB 2216392A GB 8906084 A GB8906084 A GB 8906084A GB 8906084 A GB8906084 A GB 8906084A GB 2216392 A GB2216392 A GB 2216392A
- Authority
- GB
- United Kingdom
- Prior art keywords
- strap
- guide
- safety device
- buckle
- guide strap
- 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
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000004753 textile Substances 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/02—Semi-passive restraint systems, e.g. systems applied or removed automatically but not both ; Manual restraint systems
- B60R22/023—Three-point seat belt systems comprising two side lower and one side upper anchoring devices
- B60R22/024—Adaptations for use by small passengers, e.g. children
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2803—Adaptations for seat belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2857—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle characterised by the peculiar orientation of the child
- B60N2/286—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle characterised by the peculiar orientation of the child forward facing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2866—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle booster cushions, e.g. to lift a child to allow proper use of the conventional safety belts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
A safety device enabling a child to use an adult sized motor vehicle safety belt system either alone or in conjuction with a child's vehicle safety seat or a booster cushion. The safety device comprises a guide strap 14 attachable as at 22 at one end to an anchorage, and has securing means 24 at the other end to enable the guide strap to be secured in a non-slidable manner to the diagonal shoulder strap 12B of the adult safety belt system. The securing means 24 may comprise a slider with a locking wedge (36, Figs 2 & 3) or a buckle (90, Fig 8). The strap 14 passes around the back of child's seat 10. In another arrangement (Figs 6 & 7) it passes through an opening in the centre of the seat back. The strap may instead be associated with a booster cushion (72), and buckles (88, 90) on the strap are covered by a protective sleeve (70). <IMAGE>
Description
AN ADJUSTABLE BELT AND BELT CLAMP
This invention relates to a means for holding a length of webbing in position relative to a guide clip, buckle or similar device.
In particular, the present invention relates to a means for holding a guide clip to a length of. webbing, the guide clip being engageable with the shoulder strap of a seat belt to adjust the position of the shoulder strap with respect to the seat belt user.
The seat belt user may be a child using a child's car safety seat, a booster cushion or an adult sized motor vehicle safety belt.
Motor vehicle adult safety belts usually comprise a retractor attached to the vehicle structure from which a webbing length passes through a running loop, the webbing length forming the diagonal shoulder strap and lap strap and the free end of the webbing length is attached also to the vehicle structure. The seat belt includes a two part buckle, the free portion of which runs on the webbing length and secured to the fixed part of the buckle which is attached to the vehicle structure by a short stem or further length of webbing and is commonly known as the short end of the seat belt.
In our co-pending application number 8806265 filed on 16th March 1988 there is disclosed a childs car seat formed in two main sections namely a base cushion and a back cushion. There is also disclosed a guide strap which is adjustable in length and which has at one end a loop enabling the guide strap to be attached to the short end of the adult seat belt. At the other end of the guide strap there is a guide clip which can be attached to the diagonal shoulder strap of the adult safety belt and by adjusting the length of the guide strap the position of the diagonal shoulder belt relative to the child can be appropriately adjusted.
In this case the guide clip is freely slideable upon the diagonal shoulder belt.
The present invention seeks to provide a guide in which the guide strap is attachable to the diagonal shoulder belt in a non-slideable manner.
The present invention also seeks to provide a clamp enabling the clip on the guide strap to be locked in position so that the guide clip is non-slideable on the diagonal shoulder strap.
Accordingly,in one aspect the present invention provides a safety device to enable a child to use an adult vehicle safety belt of the type including a diagonal shoulder strap and a tie attached to the vehicle structure at one end and terminating in a buckle at the other end, the safety device comprising a guide strap having attachment means at one end enabling the guide strap to be secured to an anchorage, and securing means at the other end enabling the guide strap to be secured in a non-slideable manner to the diagonal shoulder strap of the adult safety belt.
The guide strap can have an adjuster to enable the length of the guide strap to be altered within a given range.
A protective sleeve for example, formed from a soft textile material can be provided on the guide strap and can include a protective cap, also formed from a soft textile material to enclose the strap length adjuster.
The strap attachment means can comprise an adjustable sized loop which fits over the tie of the adult safety belt, the buckle at the end of the tie retaining the guide strap on the tie.
The guide strap securing means can comprise a buckle having a central spine over which the guide strap is looped, and two pairs of parallel arms attached to the spine, two arms being arranged on each side of the spine and extending towards each other but leaving an opening between them. The two openings of the securing buckle enable the diagonal shoulder belt to be secured to the buckle in a non-slideable manner.
The guide strap can be used by a child either with or without a booster cushion to raise the child relative to the adult seat belt.
In the case where the guide strap is used with a booster cushion the strap can be attached either directly to the cushion or to a cover for the cushion by, for example, an elasticated tie to prevent the guide strap from becoming separated from the cushion or cushion cover.
The securing means can comprise a guide clip and clamp, the clip having t least one slot arranged to receive the diagonal shoulder strap, the clamp comprising a wedge member arranged to engage in the slot in the clip through which the shoulder strap passes to restrain shoulder strap against movement relative to the guide clip.
The wedge member may comprise one or more resilent arms and may be retained on the guide clip by a length of flexible material.
The present invention will now be more particularly described with reference to the accompanying drawings in which,
Fig. 1 is a perspective view of a child's car seat, together with an adult seat belt and belt adjuster,
Fig. 2 shows a guide clip of the belt adjuster shown in Fig. 1,
Fig. 3 is a side elevation of the guide clip wedging member shown in Fig. 2,
Fig. 4 is a section on line 4-4 in Fig. 3,
Fig. 5 shows a perspective view of another child's car seat according to the present invention,
Fig. 6 is a side elevationof the back of the seat shown in Fig. 5,
Fig. 7 shows a view on arrow A in Fig. 6,
Fig. 8 shows one form of safety device according to the present invention used in conjunction with a booster cushion and
Fig. 9 shows a detail of the safety device shown in Figure 8.
Referring to Figs. 1 to 4 of the drawings, there is shown a child's car seat 10, which in use is positioned on a normal rear seat of a vehicle. The child and the seat 10 are held in position by the normal adult seat belt 12, which has a lap portion 12A and a diagonal portion 12B. The seat belt 12 includes a buckle 16 which is attachable to the short length 18 of the seat belt 12.
The short length 18 is anchored at 20 to the vehicle structure.
The belt 14 is adjustable in length, and is secured to the belt 12 by a loop 22 which passes over the short length 18. At the other end the belt 14 has a guide clip 24, which is engagable with the diagonal portion 12A of the seat belt 12. The belt 14 comprises a length of webbing 26 which passes through the guid clip 24 at one end and has the loop 22 formed at the other end, and the belt 14 passes around the back of the seat 10.
The guide clip 24 has a guide slot 28 to receive the diagonal portion 12A and a feed slot 30 to enable the clip 24 to be mounted onto the diagonal portion 12A. The clip 24 has two further slots 32 and 34, and the webbing 26 is threaded through these slots as shown in Fig. 2, to secure the clip to the webbing.
The length of the belt 14 is adjusted by, for example, pulling the free end of the webbing 26 through the slots 32 and 34 until the guide clip 24 positions the diagonal belt 12A correctly with respect to the user. The correct position with respect to the user is that the belt 12A should pass over the middle of the shoulder of the user and should not either bear against the neck of the user or pass over the arm of the user. Once the length of the belt has been adjusted it is important that the length is maintained, other wise the shoulder belt 12A will become displaced with respect to the user.
The length of the belt 14 is maintained by clamping the webbing 26 with respect to the clip 24 by the use of a wedge member 36 which is attached to the clip 24 by a length of flexible material 38.
Referring now to Figs. 3 and 4 which illustrate the wedge 36 in more detail, it will be seen that the flexible member 38 terminates in a stud 40, having flexible legs 42 terminating in feet 44. The stud 40 engages in an opening 46 in the clip 24, and the feet 44 engage a lip (not shown) in the opening 46.
The wedge 36 comprises two resilient arms 48 and 50, and the arm 48 is braced by a ridge 52, which is aligned with one end of the slot 30. The face of the arm 50 is provided with a number of tooth like projections 54 which engage with one face of the belt 20.
The end of each arm 48 and 50 is provided with a triangular section foot 48A and 50A respectively, so that the wedge 36 is securely positioned within the slot 28 of the guide clip 24.
It will be appreciated that if tension is applied to the webbing length 26, the tooth like projections 54 will tend to be forced into the surface of the webbing 26, and the wedge 36 will tend to be drawn down through the slot 28, with the travel of the wedge 36 through the slot 28 being limited by ridges 56 on each side of the wedge. Thus the wedge 36 provides an effective means of preventing the webbing length 26 from sliding relative to the guide clip 24, and therefore retaining the correct lengths of the belt 14 so that the position of the shoulder belt 12A remains reasonably constant relative to the user.
Referring now to Figs. 5, 6 and 7, in which there is shown a belt adjuster 58 attached not to an adult seat belt but to the back of a child's seat 60. The belt adjuster 58 comprises a webbing length 62 which terminates in a guide clip 24 constructed in exactly the same manner as described with reference to Fig. 2.
The belt adjuster 58 is attached to the back of the child's seat, by means of a buckle 64 located in recess 66 in the rear face of the back of the child's eat 60. The buckle 64 is provided with slots 68 , and the webbing length 62 passes through an opening in the back of the child's seat and through successive ones of the slots 68 in the buckle 64 so that the webbing length does not slide relative to the buckle, thereby maintaining the length of the belt adjuster 58 constant.
The guide clip 24 is looped over the diagonal portion 12A of the seat belt and clamped to it by means of the wedge 36 in the same way as described with reference to Figs. 1 to 5.
Referring to the Figs. 8 and 9, there is shown a safety device 70 used in conjunction with a booster cushion 72, the booster cushion comprising the base cushion of the childs car seat disclosed on our co-pending application number 8806265 and in Figs.l and 5 herein. In Fig. 8 the back cushion of the childs car seat has been removed for the purposes of clarity.
In Fig. 8 there is shown a part 74 of the diagonal shoulder belt and the short end 76 of the adult seat belt comprising the fixed part 78 of the adult two part buckle, a tie 80 attached at one end to the buckle part 78 and at the other end to an anchorage 82 which is secured to the vehicle structure (not shown).
The safety device 70 comprises a guide strap 84 having an adjustable sized loop 86 at one end which is fitted over the buckle part 70 and is retained via the buckle part 78 on the short end 76.
The guide strap 84 is formed in two lengths 84A and 84B, the free end of the length 84A being threaded through an adjusting buckle 88 and the length 84B being attached at one end to the adjusting buckle 88 and at the other end to a securing buckle 90.
The securing buckle 90 comprises a central spine 90A over which the guide strap portion 84B is looped and two parallel arms 90B and 90C on each side of the spine 90A which define between them openings 90D.
A protective sleeve and hinged cap both formed from a soft textile material is slideable on the guide strap'portion 84A for the purposes of enclosing the adjusting buckle and securing buckle 90 as shown in Figure 2. Thus the buckles 88 and 90 will not be contacted directly by the user and can be prevented from becoming too hot to touch in the event that the interior of the motor vehicle becomes overheated due to exposure to excessive sunlight.
In order to prevent the guide strap 84 from becoming detached from either the booster cushion 72 or a cover (not shown) for the booster cushion, the guide strap can be attached directly to the booster cushion or to the booster cushion cover by an elasticated tie 92.
In use the booster cushion 72 complete with guide strap 84 attached loosely by the tie 92-is placed on the vehicle seat relative to the adult seat belt. The child is seated on the booster cushion and the moveable part of the two part buckle on the webbing length which forms the shoulder and lap straps of the diagonal seat belt is snapped into position on the fixed part of the buckle 78. With the child in this position the shoulder belt of the adult seat belt will not be correctly positioned relative to the shoulder of the child and it is likely that the shoulder belt will be pressing against the neck of the child.The adjustable loop 86 of the guide strap is located on the short end 76 and the length of the guide strap is adjusted using the buckle 88 so that when the securing buckle is placed on the diagonal shoulder belt the diagonal shoulder belt will be correctly positioned on the shoulder of the child. Once the length of the guide strap 84 has been correctly adjusted the buckle 90 is located on the diagonal shoulder belt by passing the shoulder belt through both openings 90D on the buckle 90 which prevents the buckle 90 from sliding relative to the shoulder belt. The protective sleeve 92 is then moved along the guide strap to enclose the adjusting buckle 88 and the cap 94 is closed over the buckle 90 so that both of the buckles 88 and 90 are enclosed.
It will be appreciated that the guide strap is now securely attached to the diagonal shoulder belt in a non-slideable manner at one end and is securely attached at the other end to the short end 76 of the adult seat belt. The tie 92 only functions to prevent the guide strap 84 from becoming separated either from the booster cushion 72, or a cover for the booster cushion.
Whilst the guide strap has been described for use with reference to a booster cushion it can be used independently of a booster cushion for example when an older but not fully grown child is using the guide strap according to the invention. In this case the tie 92 need not be provided or it can be provided so that it is readily detachable from the guide strap. Otherwise the guide strap is used in an identical manner with the guide strap extending from the short end 76 behind the user and being attached to the diagonal shoulder belt as described above.
The use of the clamp according to the present invention is not restricted to the guide clip illustrated in Figs. 1 and 2 and
Figs. 8 and 9, and it can be used to restrain relative movement between a length of webbing and an opening, whether that opening is in a structure, buckle, clip, guide, or similar apparatus.
Instead of the belt 14 having a loop 22 at one end and attached to the guide clip 24 as shown in Figs. 1 and 2, a loop can be provided at the other end to retain the guide clip. The opposite end has a buckle through which the free end of the belt 14 passes to form a loop. The length of the belt is adjusted by pulling the free end through the buckle to reduce or enlarge the size of the loop. The free end of the belt is turned over and stretched down to prevent the free end coming loose from the buckle.
In an arrangement shown in Fig. 6, the attachment of the webbing length 62 to the guide clip 24 can also be affixed loop, the length being adjustable by using the buckle 64.
Claims (17)
1. A safety device to enable a child to use an adult vehicle
safety belt of the type including a diagonal shoulder strap
and a tie attached to the vehicle structure at one end and
terminating in a buckle at the other end, the safety device
comprising a guide strap having attachment means at one end
enabling the guide strap to be secured to an anchorage, and
securing means at the other end to enable the guide strap to
be secured in a non-slideable manner to the diagonal shoulder
strap of the adult safety belt.
2. A safety device as claimed in claim 1, in which the securing
means comprises a guide clip having at least one slot through
which the diagonal shoulder strap of the adult safety belt is
arranged to pass, the guide clip having clamping means to
prevent relative movement between the guide clip and the
shoulder strap.
3. A safety device as claimed in claim 2 in which the clamping
means comprises a wedge member arranged to engage in the slot
in the clip through which the shoulder strap passes.
4. A safety device as claimed in claim 3 in which the wedge
member includes at least one resilient arm urged to contact
with the diagonal shoulder strap.
5. A safety device as claimed in claim 4 in which the at least
one resilient arm is formed with a plurality of projections
arranged to engage with the surface of the diagonal shoulder
strap.
6. A safety device as claimed inany one of the preceding claims
3, 4 or 5, in which the wedge member is attached to the guide
clip by a length of flexible material.
7. A safety device as claimed in claim 2 in which the guide clip
comprises a buckle having two slots through both of which the
diagonal shoulder strap is arranged to pass.
8. A safety device as claimed in claim 7 in which the buckle
comprises a central spine over which the guide strap is
looped and two pairs of parallel arms attached to the spine,
the two arms being arranged on each side of the spine and
extending towards each other leaving an opening between them,
the two openings of the buckle enabling the diagonal shoulder
strap to be secured to the buckle in a non-slideable manner.
9. A safety device as claimed in any one of the preceding claims
in which the guide strap includes an adjuster to enable the
length of the guide strap to be varied.
10. A safety device as claimed in any one of the preceding claims
in which the guide strap includes a protective sleeve to
enclose the strap length adjuster.
11. A safety device as claimed in claim'l0 in which the
protective sleeve includes a protective cap to enclose the
securing means of the guide strap.
12. A safety device as claimed in any one of the preceding claims
in which the guide strap attachment means comprises an
adjustable sized loop enabling the guide strap to be secured
to the tie of the adult safety belt.
13. A safety device as claimed in claim 1 for use in conjunction
with a booster cushion in which the guide strap is attached
directly or indirectly to the booster cushion by attachement
means.
14. A safety device as claimed in claim 13 in which the
attachment means comprises a length of elasticated material
attached to the booster cushion or a cover of the booster
cushion.
15. A safety device as claimed in any one of the preceding claims
1 to 11 in which the guide strap is attachable to the back
portion of a childts vehicle safety seat, the guide strap
passing though an opening in the said back portion and
terminating in the guide strap attachment means.
16. A safety device as claimed in claim 15 in which the
attachment means comprises a buckle through which the free
end of the guide strap is looped to retain the guide strap on
the said back portion and to enable the length of the guide
strap to be adjusted.
17. A safety device constructed and arranged for use and
operation substantially as herein described and with
reference to the accompanying drawings.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB888806251A GB8806251D0 (en) | 1988-03-16 | 1988-03-16 | Belt clamp |
| GB888823911A GB8823911D0 (en) | 1988-10-12 | 1988-10-12 | Adjustable belt safety device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8906084D0 GB8906084D0 (en) | 1989-04-26 |
| GB2216392A true GB2216392A (en) | 1989-10-11 |
| GB2216392B GB2216392B (en) | 1992-11-04 |
Family
ID=26293646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8906084A Expired - Fee Related GB2216392B (en) | 1988-03-16 | 1989-03-16 | Seat belt assembly |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2216392B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2261591A (en) * | 1991-11-21 | 1993-05-26 | Electrolux Klippan Ltd | An accessory belt for a vehicle seat belt assembly |
| US5733004A (en) * | 1996-10-25 | 1998-03-31 | Century Products Company | Shoulder belt guide |
| WO2014195726A1 (en) * | 2013-06-06 | 2014-12-11 | Kids Ip Limited | Improvements in or relating to safety harnesses |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1102123A (en) * | 1963-12-20 | 1968-02-07 | Irving Air Chute Gb Ltd | Improvements in buckles for vehicle safety harnesses |
| GB1426584A (en) * | 1972-05-13 | 1976-03-03 | Takata Kojyo Co | Safety belt system |
| US4243266A (en) * | 1978-03-31 | 1981-01-06 | Kangol Magnet Limited | Seat belt system and connector therefor |
| US4289352A (en) * | 1978-05-26 | 1981-09-15 | Kangol Magnet Limited | Shoulder height adjuster for seat belt systems |
-
1989
- 1989-03-16 GB GB8906084A patent/GB2216392B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1102123A (en) * | 1963-12-20 | 1968-02-07 | Irving Air Chute Gb Ltd | Improvements in buckles for vehicle safety harnesses |
| GB1426584A (en) * | 1972-05-13 | 1976-03-03 | Takata Kojyo Co | Safety belt system |
| US4243266A (en) * | 1978-03-31 | 1981-01-06 | Kangol Magnet Limited | Seat belt system and connector therefor |
| US4289352A (en) * | 1978-05-26 | 1981-09-15 | Kangol Magnet Limited | Shoulder height adjuster for seat belt systems |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2261591A (en) * | 1991-11-21 | 1993-05-26 | Electrolux Klippan Ltd | An accessory belt for a vehicle seat belt assembly |
| US5733004A (en) * | 1996-10-25 | 1998-03-31 | Century Products Company | Shoulder belt guide |
| WO2014195726A1 (en) * | 2013-06-06 | 2014-12-11 | Kids Ip Limited | Improvements in or relating to safety harnesses |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2216392B (en) | 1992-11-04 |
| GB8906084D0 (en) | 1989-04-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19960316 |