AU2006246318A1 - Safety device for a seat belt buckle - Google Patents

Description

WO 2006/119579 PCT/AU2006/000631 SAFETY DEVICE FOR A SEAT BELT BUCKLE Field of the Invention 5 The present invention relates to a safety device for a seat belt buckle, in particular to a safety device arranged to prevent a release button of the seat belt buckle from being depressed. 10 Background of the Invention Many countries have road safety regulations which direct that infants and young children must be strapped into a child safety seat securely mounted in a vehicle, typically on the rear seat 15 of the vehicle, while travelling. Installation of the child safety seat and secure mounting thereof on the rear seat of the vehicle involves engagement of the child safety seat with a seat belt already installed in the 20 vehicle. If a release button of the seat belt buckle associated with the seat belt securing the child safety seat is depressed, the secure mounting of the child safety seat is compromised. 25 Unfortunately, a young child is capable of depressing the release button. Furthermore, unintentional contact with the release button may also depress the button and compromise the safety of the child safety seat. 30 The present invention seeks to overcome at least some of the aforementioned disadvantages.

WO 2006/119579 PCT/AU2006/000631 -2 It is to be understood that, although prior art use and publications may be referred to herein, such reference does not constitute an admission that any of these form a part of 5 the common general knowledge in the art, in Australia or any other country. Summary of the Invention 10 In one aspect of the invention, there is featured a safety device for a seat belt buckle arranged, in use, to prevent a release button of the seat belt buckle from being depressed and thereby disengaging therefrom an insert coupled to a seat belt strap, the safety device comprising a casing for the 15 seat belt buckle, wherein the casing has an aperture configured to receive the insert. In cases of emergency, particularly immediately after a vehicle accident, it may be imperative to depress the release 20 button and disengage the insert of the seat belt strap from the seat belt buckle. Accordingly, the casing of the safety device is further configured to be intentionally deformable to afford ready access to the release button. 25 In one embodiment of the invention, the casing comprises a sleeve having an open lower end and an open upper end, and a flap member depending from the open upper end of the sleeve, the flap member being configured, in use, to be folded over the open upper end of the sleeve. 30 WO 2006/119579 PCT/AU2006/000631 -3 In one embodiment, the sleeve is substantially cylindrical and is configured, in use, to be fitted over the seat belt buckle. 5 In an alternative embodiment, the sleeve is formed from an elongate section configured, in use, to be wrapped around the seat belt buckle. Opposing side portions of the elongate section are typically provided with respective fasteners. The elongate section is wrapped around the seat belt buckle 10 in a manner whereby opposing side portions of the elongate section are spaced sufficiently closely to one another to be conjoined with respective fasteners. The type of fastener is selected to enable the opposing side portions of the elongate section to be readily detached from one another, such as for 15 example in the case of an emergency where access to the release button of the seat belt buckle is required immediately in order to disengage the seat belt. Suitable examples of such fasteners include, but are not limited to, a zipper, hook and loop fastening material, buttons and 20 corresponding button holes, snap fasteners, or hooks and eyes. In one embodiment, the aperture comprises a slit or slot disposed in the flap member. Typically, the slit or the slot 25 is transversely disposed in the flap member to receive the insert. In an alternative embodiment, the aperture comprises a gap formed between respective edges of the flap member and the 30 open upper end of the sleeve. In a further embodiment, the flap member is provided with a pair of spaced apart tab WO 2006/119579 PCT/AU2006/000631 -4 members, wherein the insert is arranged to be received in the gap formed between the spaced apart tab members and the open upper end of the sleeve. 5 In some embodiments, the flap member, or each tab member, is provided with a fastener to secure the flap member, or each tab member, over the open upper end of the sleeve. The fastener is of a type that can be quickly unfastened such that the flap member, or each tab member, can be detached and 10 folded away from the open upper end of the sleeve thereby providing ready access to the release button of the seat belt buckle when required. Suitable examples of such fasteners include, but are not limited to, hook and loop fastening material, snap fasteners, hooks and eyes. 15 In one embodiment, the flap member is provided with a reinforcing member disposed contiguously on an upper and/or a lower surface of the flap member, and disposed, in use, proximal to the release button. The purpose of the 20 reinforcing member is to afford additional stiffness to the flap member without overly compromising its foldability, while at the same time providing an additional barrier to access of the release button. 25 In a further embodiment, the flap member is provided with opposing side wing portions which are arranged to be folded towards one another and around the seat belt buckle when the flap member is folded over the open upper end of the sleeve. The opposing side wing portions can be provided with a 30 fastener such as, for example, a hook and loop material to WO 2006/119579 PCT/AU2006/000631 engage a corresponding fastener disposed on an outer surface of the sleeve of the casing. In an alternative embodiment, the casing comprises a pliable 5 sheet configured to be folded around the seat belt buckle, wherein a gap between respective edges thereof forms the aperture to receive the insert. In a further alternative embodiment, the casing comprises a 10 pliable sheet configured to be folded around the seat belt buckle, wherein the pliable sheet has a slit or slot therein configured to receive the insert. Typically, the pliable sheet is provided with a pair of 15 opposing side wings which are arranged to be folded towards one another thereby substantially forming a sleeve around the seat belt buckle, and a flap member which is arranged to be folded over an open upper end of the sleeve so formed, thereby substantially encasing the seat belt buckle. 20 Preferably, the pliable sheet is formed from a pliable material which can be easily bent into a desired shape and retain said desired shape. Suitable examples of pliable materials include, but are not limited to, a moldable 25 plastics material, a moldable synthetic rubber, a moldable composite material, a malleable metallic or malleable alloy material, such as, for example, a wire mesh material. In another aspect of the invention there is provided a net of 30 a safety device for a seat belt buckle, the safety device being arranged, in use, to prevent a release button of the WO 2006/119579 PCT/AU2006/000631 -6 seat belt buckle from being depressed and thereby disengaging therefrom an insert coupled to a seat belt strap, the net comprising: an elongate section and a flap member depending from a 5 side of the elongate section, the elongate section and the flap member being configured, in use, to be folded to form a casing for the seat belt buckle, wherein the casing has an aperture configured to receive the insert. 10 In one embodiment the aperture is a slit or slot in the flap member. Typically, the slit or slot is transversely disposed in the flap member. In one embodiment of the invention the elongate section is 15 configured, in use, to be folded around the seat belt buckle in a manner whereby a sleeve having an open lower end and an open upper end is formed, the flap member being configured, in use, to be folded over the open upper end of the sleeve, thereby forming a casing for the seat belt buckle. The flap 20 member is provided with a fastener to secure the flap member over the open upper end of the sleeve. Typically, the elongate section is also provided with a corresponding fastener. 25 In one embodiment the flap member of the net is provided with opposing side wing portions which are arranged to be folded towards one another and around the seat belt buckle when the flap member is folded over the open upper end of the sleeve. The opposing side wing portions can be provided with a 30 fastener such as, for example, a hook and loop material to WO 2006/119579 PCT/AU2006/000631 -7 engage a corresponding fastener disposed on an outer surface of the sleeve of the casing. In a further aspect of the invention, there is provided a 5 method for preventing a release button of a seat belt buckle from being depressed and thereby disengaging therefrom an insert coupled to a seat belt strap, the method comprising fitting a casing around the seat belt buckle, wherein the casing has an aperture configured to receive the insert. 10 In the description and claims of the invention, except where the context requires otherwise due to express language or necessary implication, the words "comprise" or variations such as "comprises" or "comprising" are used in an inclusive 15 sense, i.e. to specify the presence of the stated features, but not to preclude the presence or addition of further features in various embodiments of the invention. Brief Description of the Drawings 20 Preferred embodiments, incorporating all aspects of the invention, will now be described by way of example only with reference to the accompanying drawings, in which: Figure 1 shows an embodiment of a net of a safety device 25 for a seat belt buckle in accordance with the present invention; Figure 2 shows the net of Figure 1 in the course of being folded to form the safety device for the seat belt buckle; WO 2006/119579 PCT/AU2006/000631 -8 Figure 3 shows an embodiment of the safety device for the seat belt buckle formed by folding the net shown in Figures 1 and 2; Figure 4 shows a second embodiment of the safety device 5 for the seat belt buckle; Figure 5 shows a third embodiment of the safety device for the seat belt buckle; and, Figure 6 shows a fourth embodiment of the safety device for a seat belt buckle. 10 Detailed Description of the Preferred Embodiments of the Invention Before the preferred embodiment of the present apparatus is 15 described, it is understood that this invention is not limited to the particular materials described, as these may vary. It is also to be understood that the terminology used herein is for the purpose of describing the particular embodiment only, and is not intended to limit the scope of 20 the present invention in any way. It must be noted that as used herein, the singular forms "a", "an", and "the" include plural reference unless the context clearly dictates otherwise. Unless defined otherwise, all technical and scientific terms used herein have the same meanings as 25 commonly understood by one of ordinary skill in the art to which this invention belongs. Referring to the accompanying figures, where like numerals refer to like parts, there is provided a safety device 10 for 30 a seat belt buckle 120 arranged, in use, to prevent a release button 122 of the seat belt buckle 120 from being depressed WO 2006/119579 PCT/AU2006/000631 -9 and thereby disengaging therefrom an insert 112 coupled to a seat belt strap 110. The safety device 10 comprises a casing 12 disposed around 5 the seat belt buckle 120, wherein the casing 12 is provided with an aperture 30 to receive the insert 112. The casing 20 includes a sleeve 22 having an open lower end 21 and an open upper end 23 provided with a flap member 24. 10 Figure 1 illustrates a net 70 corresponding to the safety device 10 shown in Figure 3. The net 70 is a flat sheet of a heavy duty fabric which can be easily folded into the safety device 10. Suitable examples of such heavy duty fabrics include, but are not limited to, neoprene, vinyl fabrics, 15 upholstery fabrics, leather, and heavy duty denim. The net 70 has a first side 72 and a second side 74. The net 70 includes an elongate section 76 and a flap member 24 depending from an upper side 71 of the elongate section 20 76. The flap member 24 of the net 70 is provided with opposing side wing portions 73a, 73b depending from a free end 75 thereof. The elongate section 76 and the opposing side wing portions 25 73a, 73b are each provided with a fastener 80a, 80b, respectively, such as, for example, a portion of a hook and loop material. Typically, the fastener 80b extends between the opposing side wing portions 73a, 73b and is stitched or thermal welded to the second side 74 of the net 70, whereas 30 the fastener 80b extends substantially along the length of the elongate section 76 and is stitched or thermal welded to WO 2006/119579 PCT/AU2006/000631 - 10 the first side 72 of the net 70. The fasteners 80a, 80b are selected to engage one another as will be described below. The flap member 24 is provided with a slit or slot 33. 5 Typically, the slit or slot 33 is transversely disposed in the flap member 24. The flap member 24 is further provided with a reinforcing member 77 disposed contiguously on the first side 72 of the 10 net 70. Typically, the reinforcing member 77 is stitched or thermal welded to the first side 72 of the net 70. The reinforcing member 77 can be formed from a sheet of plastics material, such as polypropylene. 15 The elongate section 76 is configured, in use, to be folded around the seat belt buckle 120 in a manner whereby the second side 74 of the elongate section 76 is adjacent to the seat belt buckle and a sleeve 22 having an open lower end 21 and an open upper end 23 is formed, as shown in Figure 2. In 20 this way, the fastener 80a is exposed on an outward facing surface of the sleeve 22. The flap member is 24 configured, in use, to be folded over the open upper end 23 of the sleeve 22, and the opposing side 25 wing portions 73a, 73b are also folded around the sleeve 22 thereby forming the casing 12 for the seat belt buckle 120. The fastener 80b on the first side 72 of the opposing side wing portions 73a, 73b is configured to engage the fastener 80a exposed on the outward facing surface of the sleeve 22. 30 WO 2006/119579 PCT/AU2006/000631 - 11 The sleeve 22 so formed can be fitted over the seat belt buckle 120 until the seat belt buckle 120 and the release button 122 is disposed within the sleeve 22. The insert 112 of the seat belt strap 110 is then inserted into slit 33 in 5 the flap member 24 and thence into the seat belt buckle 120. Referring to Figure 4, there is shown a second embodiment of the present invention. In this particular embodiment the casing 20 comprises a sleeve 22 having an open lower end 21 10 and an open upper end 23 provided with a flap member 24. It is envisaged that the sleeve 22 and the flap member 24 will be formed from a heavy duty fabric which can be easily folded into a desired shape and substantially retain said 15 desired shape. Suitable examples of such heavy duty fabrics include, but are not limited to, neoprene, vinyl fabrics, upholstery fabrics, leather, and heavy duty denim. The sleeve 22 and its open lower end 21 are sufficiently wide 20 to be fitted over the seat belt buckle 120 and the release button 122, as shown in Figure 4. Typically, the sleeve 22 is cylindrical in shape. The sleeve 22 can be formed as an integral cylindrical sleeve with 25 longitudinal seam 28 or as an elongate section whose opposing side edges or side portions are provided with corresponding fasteners extending substantially along the length of the side edges or side portions. Suitable examples of such fasteners include, but are not limited to, zippers, hook and 30 loop fastening material, buttons, or press studs, to enable the opposing side edges or side portions to be conjoined, WO 2006/119579 PCT/AU2006/000631 - 12 thereby forming the cylindrical sleeve with longitudinal seam 28. Preferably, the type of fastener is selected to enable the longitudinal seam 28 to be readily torn open if immediate access to the release button 122 is required, such as in an 5 emergency. Alternatively, the longitudinal seam 28 can be stitched or thermal welded. The flap member 24 depends from and substantially along a rear side 25 of the open upper end 23 of the sleeve 22. The 10 flap member 24 is typically rectangular in shape and it is configured to be folded over a front side 27 of the open upper end 23 of the sleeve 20, thereby substantially encasing the seat belt buckle 120. 15 Preferably, the flap member 24 is provided with a fastener 26 to secure the flap member 24 over the front side 27 of the open upper end 23 of the sleeve 22. It will be understood that reciprocal fasteners are also disposed at appropriate locations proximate the open upper end 23 of the sleeve 22. 20 The fasteners 26 are of a type that can be quickly unfastened such that the flap member 24 can be detached from the open upper end 23 of the sleeve 22 thereby providing ready access to the release button 122 of the seat belt buckle 120 when required. Suitable examples of fasteners 26 include, but are 25 not limited to, hook and loop fastening material or press studs, or any suitable quick release fastener. The flap member 24 is provided with a slit 33 disposed therein to receive the insert 112. 30 WO 2006/119579 PCT/AU2006/000631 - 13 It is evident that when the flap member 24 is folded over the front side 27 of the open upper end 23 of the sleeve 20, a gap 31 is formed between a side edge 29 of the flap member 24 and the open upper end 23 of the sleeve 22. In an 5 alternative embodiment, the gap 31 is arranged to receive the seat belt strap 110 and the insert 112 when the insert 112 is inserted into the seat belt buckle 120. The flap member 24 is further provided with a reinforcing 10 member (not shown) disposed contiguously on an underside of the flap member 24. Typically, the reinforcing member is stitched or thermal welded to the underside of the flap member 24. The reinforcing member can be formed from a sheet of plastics material, such as polypropylene. The purpose of 15 the reinforcing member is to afford additional stiffness to the flap member 24 without overly compromising its foldability, while at the same time providing an additional barrier to access of the release button 122. 20 Referring to Figure 5, wherein like numerals denote like parts, the flap member 24 is further provided with a pair of spaced apart tab members 40. In this embodiment, the seat belt strap 110 and the insert 112 are arranged to be received in a gap 35 formed between the spaced apart tab members 40. 25 Preferably, each tab member 40 is provided with fastener 26 to secure the flap member 24 and the tab members 40 over the open upper end 23 of the sleeve 22. 30 Referring to Figures 4 or 5, in use, the sleeve 22 is fitted over the seat belt buckle 120 until the seat belt buckle 120 WO 2006/119579 PCT/AU2006/000631 - 14 and the release button 122 is disposed within the sleeve 22. The flap member 24 is folded over the front side of the upper open end 23 of the sleeve 22 and secured thereto by engaging and closing the respective fastener 26. The insert 112 of 5 the seat belt strap 110 is then inserted into slit 33 in the flap member 24 and thence into the seat belt buckle 120. Alternatively, after the sleeve 22 is fitted over the seat belt buckle 120 the insert 112 of the seat belt strap 110 is 10 then inserted into the seat belt buckle 120. The flap member 24 is then folded over the front side of the upper open end 23 of the sleeve 22 and secured thereto by engaging and closing the respective fastener 26. In this -way, the seat belt strap 110 is located in the gap 31 between the upper 15 open end 23 of the sleeve 22 and the side edge of the flap member 24, or the gap 33 between the two spaced apart tab members 40. Access to the release button 122 of the seat belt buckle 120 20 is encumbered because the seat belt buckle 120 is substantially encased by the casing 20. If ready access to the seat belt buckle 120 and the release button 122 is required, the fastener 26 may be quickly 25 disengaged by tearing or forcing apart the respective fasteners 26 on the flap member 24 and proximate to the upper open end 23 of the sleeve 22, thereby deforming the casing 20. Alternatively, where the longitudinal seam 28 is joined by similar type of fastener, the longitudinal seam 28 can 30 also be torn or forced apart to obtain ready access to the release button 122.

WO 2006/119579 PCT/AU2006/000631 - 15 Referring to Figure 6, there is shown an alternative embodiment of the present invention. In this particular embodiment, the casing 20 comprises a pliable sheet 50 5 configured to be folded around the seat belt buckle 120, wherein a gap 30 between respective edges thereof forms an aperture to receive the seat belt strap 110 and the insert 112. 10 Alternatively, the pliable sheet 50 can have a slit or slot (not shown) therein configured to receive the seat belt strap and the insert 112. The pliable sheet 50 is provided with a pair of opposing side 15 wings 52 which are arranged to be folded towards one another thereby substantially forming a sleeve 22' around the seat belt buckle 120, and a flap member 54 which is arranged to be folded over an open upper end 23' of the sleeve 22' so formed, thereby substantially encasing the seat belt buckle 20 120 as shown in Figure 6. Preferably, the pliable sheet 50 is formed from a pliable material which can be easily bent into a desired shape and retain said desired shape. Suitable examples of pliable 25 materials include, but are not limited to, a moldable plastics material, a moldable synthetic rubber, a moldable composite material, a malleable metallic or malleable alloy material, such as, for example, a wire mesh material. 30 If ready access to the seat belt buckle 120 and the release button 122 is required, the opposing side wings 52 and/or the WO 2006/119579 PCT/AU2006/000631 - 16 flap member,54 of the pliable sheet 50 may be quickly forced apart or folded back, thereby deforming the casing 20. Numerous variations and modifications will suggest themselves 5 to persons skilled in the relevant art, in addition to those already described, without departing from the basic inventive concepts. All such variations and modifications are to be considered within the scope of the present invention, the nature of which is to be determined from the foregoing 10 description.

Claims (29)

1. A safety device for a seat belt buckle arranged, in use, 5 to prevent a release button of the seat belt buckle from being depressed and thereby disengaging therefrom an insert coupled to a seat belt strap, the safety device comprising a casing for the seat belt buckle, wherein the casing has an aperture configured to receive the insert. 10

2. The safety device according to claim 1, wherein the casing of the safety device is intentionally deformable to afford ready access to the release button. 15

3. The safety device according to claim 1 or claim 2, wherein the casing comprises a sleeve having an open lower end and an open upper end, and a flap member depending from the open upper end of the sleeve, the flap member being configured, in use, to be folded over the open upper end of 20 the sleeve.

4. The safety device according to claim 3, wherein the sleeve is substantially cylindrical and is configured, in use, to be fitted over the seat belt buckle. 25

5. The safety device according to claim 3 or claim 4, wherein the sleeve is formed from an elongate section configured, in use, to be wrapped around the seat belt buckle. 30 WO 2006/119579 PCT/AU2006/000631 - 18

6. The safety device according to claim 5, wherein opposing side portions of the elongate section are typically provided with respective fasteners. 5

7. The safety device according to claim 6, wherein the elongate section is wrapped around the seat belt buckle in a manner whereby opposing side portions of the elongate section are spaced sufficiently closely to one another to be conjoined with respective fasteners. 10

8. The safety device according to claim 6 or claim 7, wherein the type of fastener is selected to enable the opposing side portions of the elongate section to be readily detached from one another, such as for example in the case of 15 an emergency where access to the release button of the seat belt buckle is required immediately in order to disengage the seat belt.

9. The safety device according to any one of claims 3 to 8, 20 wherein the aperture comprises a slit or slot disposed in the flap member.

10. The safety device according to claim 9, wherein the slit or the slot is transversely disposed in the flap member to 25 receive the insert.

11. The safety device according to any one of claims 3 to 8, wherein the aperture comprises a gap formed between respective edges of the flap member and the open upper end of 30 the sleeve. WO 2006/119579 PCT/AU2006/000631 - 19

12. The safety device according to claim 11, wherein the flap member is provided with a pair of spaced apart tab members, whereby the insert is arranged to be received in the gap formed between the spaced apart tab members and the open 5 upper end of the sleeve.

13. The safety device according to any one of claim 3 to 12, wherein the flap member is provided with a fastener to secure the flap member over the open upper end of the sleeve. 10

14. The safety device according to claim 12 or claim 13, wherein each tab member is provided with a fastener to secure each tab member over the open upper end of the sleeve.

15 15. The safety device according to claim 13 or claim 14, wherein the fastener is a quick release fastener.

16. The safety device according to any one of claims 3 to 15, wherein the flap member is provided with a reinforcing 20 member disposed contiguously on an upper and/or a lower surface of the flap member, and disposed, in use, proximal to the release button.

17. The safety device according to any one of claims 3 to 25 16, wherein the flap member is provided with opposing side wing portions configured, in use, to be folded towards one another and around the seat belt buckle when the flap member is folded over the open upper end of the sleeve. 30

18. The safety device according to claim 1 or claim 2, wherein the casing comprises a pliable sheet configured to be. WO 2006/119579 PCT/AU2006/000631 - 20 folded around the seat belt buckle, a gap between respective edges thereof forming the aperture to receive the insert.

19. The safety device according to claim 1 or claim 2, 5 wherein the casing comprises a pliable sheet configured to be folded around the seat belt buckle, the pliable sheet having a slit or slot therein configured to receive the insert.

20. The safety device according to claim 18 or claim 19, 10 wherein the pliable sheet is provided with a pair of opposing side wings arranged, in use, to be folded towards one another thereby substantially forming a sleeve around the seat belt buckle, and a flap member arranged, in use, to be folded over an open upper end of the sleeve so formed, thereby 15 substantially encasing the seat belt buckle.

21. The safety device according to any one of claims 18 to 20, wherein the pliable sheet is formed from a pliable material which can be easily bent into a desired shape and 20 retain said desired shape.

22. A net of a safety device for a seat belt buckle, the safety device being arranged, in use, to prevent a release button of the seat belt buckle from being depressed and 25 thereby disengaging therefrom an insert coupled to a seat belt strap, the net comprising: an elongate section and a flap member depending from a side of the elongate section, the elongate section and the flap member being configured, in use, to be folded to form a 30 casing for the seat belt buckle, wherein the casing has an aperture configured to receive the insert. WO 2006/119579 PCT/AU2006/000631 - 21

23. The net according to claim 22, wherein the aperture is a slit or slot in the flap member. 5

24. The net according to claim 23, wherein the slit or slot is transversely disposed in the flap member.

25. The net according to any one of claims 22 to 24, wherein the elongate section is configured, in use, to be folded 10 around the seat belt buckle in a manner whereby a sleeve having an open lower end and an open upper end is formed, the flap member being configured, in use, to be folded over the open upper end of the sleeve, thereby forming a casing for the seat belt buckle. 15

26. The net according to any one of claims 22 to 25, wherein the flap member is provided with a fastener to secure the flap member over the open upper end of the sleeve. 20

27. The net according to any one of claims 22 to 26, wherein the flap member of the net is provided with opposing side wing portions which are arranged to be folded towards one another and around the seat belt buckle when the flap member is folded over the open upper end of the sleeve. 25

28. The net according to claim 27, wherein the opposing side wing portions are provided with fasteners to engage a corresponding fastener disposed on an outer surface of the sleeve of the casing. 30 WO 2006/119579 PCT/AU2006/000631 - 22

29. A method for preventing a release button of a seat belt buckle from being depressed and thereby disengaging therefrom an insert coupled to a seat belt strap, the method comprising fitting a casing around the seat belt buckle, wherein the 5 casing has an aperture configured to receive the insert.