LOAD CARRYING SYSTEM
In an embodiment, a load carrying system for a wearer includes a carrier made of at least one flexible carrier material and comprises a front portion to be disposed at the wearer's front, and a back portion to be disposed at the wearer's back, when the system is worn by the wearer; a load attachment arrangement for detachably attaching a load to at least the front portion; a front load distribution arrangement comprising at least one elongated front load distribution element made of a material more rigid than the carrier material and attached to the front portion of the carrier by a front attachment member different from, and operating independently of, the load attachment arrangement; and a back load distribution arrangement disposed in the back portion of the carrier and separated from the front load distribution arrangement by the material of the carrier.
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This application claims priority to Israeli Patent Application No. 202148 filed on 16 Nov. 2009, the disclosure of which is incorporated herein, in its entirety, by this reference.
TECHNICAL FIELDEmbodiments of the invention relate to a load carrying system and, in particular, a carrier configured for attachment of a load thereto.
BACKGROUNDLoad carrying systems used for the same purposes as the system according to the presently disclosed subject matter are disclosed for example in US 2009/0020580 and US 2008/0010730.
SUMMARYIn accordance with one aspect of the presently disclosed subject matter, there is provided a load carrying system for a wearer, comprising:
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- a carrier made of at least one flexible carrier material and comprising a front portion to be disposed at the wearer's front, and a back portion to be disposed at the wearer's back, when the system is worn by the wearer;
- a load attachment arrangement for detachably attaching a load to at least the front portion;
- a front load distribution arrangement comprising at least one elongated front load distribution element made of a material more rigid than the carrier material and attached to the front portion of the carrier by a front attachment member different from, and operable independently of, the load attachment arrangement; and
- a back load distribution arrangement disposed in the back portion of the carrier and separated from the front load distribution arrangement by the material of the carrier.
With the front portion having a height dimension parallel to that of the wearer, the at least one elongated front load distribution element can extend along a majority of the height dimension of the front portion.
The carrier may have at least two carrier wearing straps, a front portion of which can constitute at least a part of the front portion of the carrier, and bear at least a part of the load attachment arrangement.
The straps can be spaced from each other in a direction perpendicular to the height dimension of the front portion, and, optionally, at least when no load is attached to the front portion of the carrier, the spacing between the straps can be free of the carrier material at least along the majority of the front portions of the straps.
At least a part of the front portion of each strap can be associated with the front load distribution element and can comprise the front attachment member.
The front attachment member of the front portion of each strap can comprise, or be in the form of, a sleeve configured to receive therein the front load distribution element, which can be insertable in, and withdrawable from, the sleeve.
The front load distribution elements can be detachably attachable to the front portion of the corresponding strap.
At least a part of the load attachment arrangement can be spaced from the at least one front load distribution element by the material of the carrier, e.g. by the material of the strap or by the material of the sleeve.
The front load distribution element can be in the form of a rod or a longitudinal strip and can be made of metal, such as titanium.
The load attachment arrangement can comprise a plurality fasteners configured for the attachment of the load.
The load attachment arrangement can comprise one or more load carrying pockets detachably attachable at least to the front portion of the carrier and configured for carrying a load therein.
The load carrying pockets can be configured to conform to the shape of the load.
The load carrying pockets can comprise a load external attachment arrangement for attachment of a load thereto.
The load carrying pockets can comprise fasteners configured for engagement with the fasteners of the load attachment arrangement.
The load can comprise one or more of front, back and side armor panels. When the load comprises a front armor panel, the panel's dimension in the direction perpendicular to the height direction of the carrier, when the panel is attached thereto, can correspond to the dimension of the spacing between the front portions of the carrier wearing straps.
The back load distribution arrangement can comprise at least one and, optionally, at least two elongated back load distribution elements made of a material more rigid than the carrier material load distribution.
The back load distribution elements can extend along a majority of the height dimension of the back portion of the carrier and, optionally, can be spaced apart, e.g. by the material of the carrier, at least along a part of their length.
The maximal spacing between the back load distribution elements can be smaller than the maximal spacing between the front load distribution elements, and the minimal spacing between the back load distribution elements can be smaller than the minimal spacing between the front load distribution elements, in a direction perpendicular to the height direction of the carrier.
The back portion's width along the direction perpendicular to its height dimension can vary along the height direction and can be minimal at its lower edge and maximal at its upper edge. The minimal width of the back portion can be smaller than the minimal spacing between the carrier wearing straps. In addition, or alternatively, the maximal width of the back portion can be smaller than the maximal spacing between the carrier wearing straps.
The carrier can further comprise a belt configured to encompass the wearer's pelvic area, when the carrier is worn by the wearer, the front and back portions of the carrier joining the belt at their bottom.
The belt can comprise a belt front section to be disposed at the wearer's front, a belt back section to be disposed at the wearer's back, when the carrier is worn, and belt side sections therebetween.
The front and back load distribution arrangements can terminate at the belt respective side or front, and back sections and each of them can optionally extend along the belt's height at its corresponding section so as to occupy a majority thereof, in particular, occupy more than 55%, and more particularly, more than 60% of its height.
The belt side sections can be detachably and, optionally adjustably, attachable to the belt front or back section, to allow adjustment of the width of the belt. In this case, when the carrier front portion is in the form of two spaced apart straps and each strap is attached at its lower end to the belt, the location of the attachment of the lower end of each strap to the belt can be chosen depending on whether or not it is desired to have the distance between the straps adjusted accordingly. In particular, if it is desired that the distance between the locations at which the straps are attached to the belt be constant whilst the width of the belt be adjustable, the lower ends of the straps should be attached to the front section of the belt. On the other hand, when it is desired that the distance between the locations at which the straps, change in accordance with the change in the width of the belt, the lower ends of the straps should be attached to the side sections of the belt.
In accordance with another aspect of the presently disclosed subject matter, there is provided a kit comprising a load carrying system for a wearer as described above, and at least one load carrying pocket for carrying a load therein configured for being detachably attached to the carrier by the load attachment arrangement.
The kit can further comprise a load packed in the load carrying pocket. The load can be armor as described above.
The load pockets may conform to a shape of the load and may further comprise load external attachment arrangement for attachment of load thereto.
In accordance with another aspect of the presently disclosed subject matter, there is provided a carrier for a wearer made of at least one flexible carrier material. The carrier comprises a front portion to be disposed at the wearer's front, a back portion to be disposed at the wearer's back and a belt configured to encompass the wearer's pelvic area, when the carrier is worn by the wearer, the belt comprising a belt front section to be disposed at the wearer's front, a belt back section to be disposed at the wearer's back and belt side sections therebetween being detachably and, optionally adjustably, attachable to the belt front or back section, allowing adjustment of a width of the belt; and two carrier wearing straps, a front portion of which constituting at least a part of the front portion of the carrier, attached at its lower end to the belt side sections at locations spaced by a distance configured to change in accordance with the change of the width.
The above carrier may comprise one or more of the following features in any combination thereof:
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- a load attachment arrangement for detachably attaching a load to at least the front portion;
- a front load distribution arrangement comprising at least one elongated front load distribution element made of a material more rigid than the carrier material and attached to the front portion of the carrier by a front attachment member different from, and operating independently of, the load attachment arrangement; and
a back load distribution arrangement disposed in the back portion of the carrier and separated from the front load distribution arrangement by the material of the carrier.
The carrier can have an extremely low weight as its parts, in particular the front and the back parts, are shaped and arranged so as to comprise minimum material required for load distribution and carrying and to conform to the physiology of the wearer. This also allows the load distribution arrangement formed in the back and front parts to fit the physiological requirements. In addition, the light weight and carrier parts arrangement and shape allow easy and unlimited movement of the wearer even with heavy load attached to the carrier.
The load distribution arrangement allows the load distribution from the back part of the front part, and load distribution from the shoulders to the belt both at the front and the back part.
The carrier is adapted to carry any kinds of loads, such as armor panels and equipment. The armor panels may be of any geometry, such as flat or curved. When the attachment of the armor panels and/or equipment are accommodated within load carrying pockets it allows, on one hand, an easy and quick attachment of the load to any of the carrier's parts, and on the other hand prevents the load from unintentional detachment. When the carrier is worn, the wearer may also have an easy access to the load, in particular the load attached to the front part and the belt.
The carrier is easily adjusted to the dimensions of the wearer as at least some of the carrier's parts are detachably attachable one to the other and the material of the load distribution arrangement allows it to be adjusted in length so as to fit the wearer's height.
In order to understand the invention and to see how it may be carried out in practice, embodiments will now be described, by way of non-limiting example only, with reference to the accompanying drawings, in which:
With reference to
The carrier 10 is configured for carrying a load such as, for example, a personal armor, military or other kind of equipment. The carrier 10 can comprise integral or detachably attachable pockets for carrying the load. For example, the carrier 10 can be configured for detachably attaching to the front portion 11 and the back portion 31 and/or to sides of the belt 51, armor receiving pockets 101, 103 and 105 with personal armor panels of corresponding shapes received therein, as shown in
The carrier 10 will now be described in detail with reference to its longitudinal direction A1 (
With reference to
The length of the front straps 23 between their areas of attachment to the shoulder straps 21 and the belt 51 defines the length of the front portion 11 of the carrier.
With reference to
The length of the straps 23 and of the back portion 31 of the carrier 10 along which they are attached to the belt 51 is less, e.g. slightly less, than the height of the belt 51 at the corresponding areas thereof. In other words, the lower end 23b of each strap, and the lower edge 35 of each half of the back portion 31, can be spaced from the lowermost edge of the belt 51b to a distance not exceeding 50%, in particular, 40% and, more particularly, 35% of the height of the belt at the area of the attachment.
In the described example, the two halves 31a and 31b of the back portion 31 have shapes similar to truncated right triangles whose hypotenuses meet along a central line L of the back portion 31, and whose long cathetuses constitute side edges 30 thereof and are oriented so that a distance therebetween along the axis A2 is maximal at the upper edges 33 of the two halves and minimal at the lower edges 35 thereof.
The dimension of each of the upper and lower edges 33 and 35 of the back portion 31 along the direction A2 is smaller than the spacing between the inner edges of the front straps 23, when the carrier is in its free standing position as shown e.g. in
The front portion 11 and the back portion 31 of the carrier 10 further comprise respective front and back elongated, load distribution elements 81 and 83 (schematically shown in dotted lines in respective
The length of the elongated elements 81 as shown is essentially the same as that of the straps 23. In particular, in the shown example, the front load distribution elements 81 have their upper ends 81a adjacent to the upper ends of the front straps 23 and their lower ends 81b at the lowermost location of the areas of their attachment to the belt 51 along the axis A1. In general, however, the length of the elongated elements 81 can be less than the length of the straps 23, e.g. it can even be equal to, or exceed half the length of the straps 23 so that their upper ends 81a can be disposed in the middle of the straps 23 or closer to the straps' upper ends 23a than to the straps' lower ends 23b.
The assembly of the front and back load distribution elements with the respective front and back portions of the carrier 10 is achieved in the described example by means of sleeves. Each sleeve is configured to receive therein one load distribution element. Each sleeve is formed in or permanently attached to the outer surfaces 22 and 32 of each of the front straps 23 and halves 31a and 31b of the back portion 31.
In particular, each of the front straps 23 comprises a sleeve 25 (
Similarly, each half 31a, 31b of the back portion 31 is formed with two sleeves 41 configured for receiving therein the back load distribution elements 83 and extending along the entire length of the back portion 31. Each sleeve 41 comprises an opening 42 (
With reference to
The belt front section 71 can further comprise a front insert 70 (
The carrier 10 can further comprise cushions detachably attachable to the inner surfaces of some of the parts of the carrier 10, to be disposed between the carrier and the wearer. In particular, with reference to
With reference to
All elements of the carrier 10 described above, except for the load distribution elements, and at least a part of the fastening members, can be made of fabric, e.g. of an infra red absorbent, fire retarded, water and tear resistant fabric material. In particular, the outer surfaces of the carrier can be made of a material such as Cordura®, the inner surfaces of the carrier can be made of a material such as Velcro, and the cushions can be made of breathable and anti-sweat material, preferably abrasion resistant, at least at their part facing the wearer. In case where the carrier does not have cushions, its inner surface should be made of the latter material.
Regarding the manner of attachment of different elements of the carrier 10 to each other as described above and will further be described below, this attachment can be permanent or detachable. In particular, the permanent attachment between different elements can be obtained by any appropriate known means and along any appropriate attachment pattern. Thus, in the described carrier 10, the permanent attachment is obtained by sewing the elements to each other, as for example shown in
The detachable attachment of different elements of the carrier 10 to each other, as described above and will be described below in connection with the attachment of loads to the carrier, can be lockable and non-lockable. The lockable mechanism by which two elements of the carrier 10 can be detachably attached to each other can be any such known mechanism and, in particular, it can be in the form of a buckle assembly comprising a male buckle member attached to one of the elements, such as e.g. a buckle members 28 (
The non-lockable detachable attachment of two different elements of the carrier 10 to each other can be in the form of hook-and-loop fasteners, such as Velcro fasteners, which are permanently attached to the corresponding elements as shown, for example, in
The detachable attachment of different elements of the carrier 10 to each other can be strengthened, e.g. by adding securing bands adjacent the attachment area, such as the bands 29 (
The carrier 10 further comprises a load attachment arrangement 90 configured for detachably attaching different kinds of loads as mentioned above to different places of the carrier 10. The load attachment arrangement 90 in the described carrier 10 comprises a plurality of fasteners, such as, for example, SR buckles, grommets, Velcro fasteners, snaps, clips and the like, attached to the front straps 23, the back portion 31 and the belt 51 thereof.
The load can be attached directly to the corresponding fastener(s) or may be placed within load carrying pockets having fasteners engageable with the corresponding the fasteners on the carrier 10.
With reference to
To allow the attachment of the front armor carrying pockets 101 to the carrier 10 as shown, the load attachment arrangement comprises upper fasteners 131 (
To allow the attachment of the back armor carrying pockets 103 to the carrier 10 as shown, the load attachment arrangement comprises upper fasteners 151 of the back armor carrying pocket 103 engageable with upper back portion fasteners 95 disposed adjacent to the upper edge 33 of the back portion 31 (
The side armor carrying pockets 105 are attached to the front and back armor carrying pockets 101 and 103 by means of the side pocket fasteners 143 and 147 as described above.
In the described example, the armor carrying pockets 101, 103 and 105 are attachable to the corresponding portions of the carrier as described above, by means of SR buckles, grommets, or a combination thereof. Attachments by means of buckles are achieved by a couple of buckles, male and female, so that one buckle is fixed to the load carrying pocket and the other buckle is fixed to the corresponding portion of the carrier. Attachments by means of grommets are achieved by a fixation of securing straps of the load carrying pocket to the grommets of the corresponding portion of the carrier. An example for such an attachment is shown in
More specifically, the front load carrying pocket 101 comprises upper buckles 131 (
Alternatively, the front carrying pocket 101 can be attached to the straps 23 by means of both buckles and grommets. In this case, the load attachment arrangement will comprise upper and lower grommets 91 and 93 (
With reference to
Each of the armor carrying pockets 101, 103 and 105 can be formed with pockets load arrangement corresponding allowing an external attachment of any kind of load, such as for example pouches, bags the like to the armor carrying pockets. Such an arrangement may comprise any kind of fasteners, such as SR buckles, grommets, Velcro fasteners, snaps, clips and the like or any kind of strap arrangement, one example of which is described below in detail. In this connection,
In particular, the armor carrying pockets 101, 103 and 105 comprise a fastening arrangement 109 (
As already mentioned above, the belt 51 can comprise fasteners of the load attachment arrangement 90. Alternatively or in addition, the belt 51 can be formed with strap arrangement allowing attachment of any kind of load thereto, such as for example pouches 181 attached thereto as shown in
The belt 51 can comprise pockets and/or pouches integrally formed thereon.
As already indicated above, the carrier 10 is configured to be worn by a wearer, specifically by a wearer needing a protection against ballistic or other impacts, such as soldiers during military operations.
The carrier 10 can be worn in two ways. When the belt 51 of the carrier 10 does not comprise the front insert 70 shown in
The carrier 10 can be adjusted by the wearer to fit his dimensions by adjusting the length of the parts detachably attachable to each other, i.e. the front and/or shoulder straps 23 and 21 and the side and/or front sections 63 of the belt 51. When the carrier 10 is adjusted to the wearer, the front load distribution elements 81 and 83 can be deformed to fit the wearer's front. The elongated elements 81 and 83 can be replaced by longer or shorter elements, if necessary. The front elements 81 can be replaced without even taking off the carrier 10, as due to the closures 27 an easy access to the elements 81 within the sleeves 25 is provided.
The attachment of the load can be performed before and/or after the carrier 10 is worn. In particular, the load, including the armor panels, that is intended to be attached to the back portion 31 of the carrier, with or without load carrying pockets, has to be attached before the carrier 10 is put on, while the load intended to be attached to the front portion 11 and, optionally, the side sections 63 of the belt 51, with or without load carrying pockets, can be attached when the carrier 10 is already worn by the wearer, as load attachment arrangement 90 allows an easy access and easy attachment of the load by the wearer.
The carrier 10, as described above, can be very light and its weight without any loads can be in the range of 700 g to 1 kg.
The carrier 10 can be configured to carry loads up to about 30 kg, e.g. in the range between about 18 to 25 kg, in particular about 20 kg.
Comparative biomechanical testing was performed of an exemplary carrier according to the presently disclosed subject matter and an existing carrier used for the same purpose, in which the following parameters were examined: pelvic tilt, pelvic obliquity, pelvic rotation, hip flexion/extension, knee flexion/extension, knee valgus/varus moment, hip flexion/extension moment, hip abduction/adduction moment, hip rotation moment, head angle, spine angle, neck angle and thorox angle.
It was found that in the disclosed carrier the above parameters were of lower values than in the existing carrier, i.e. the disclosed carrier had a smaller effect on the corresponding body parts. In particular, with the disclosed carrier, spine, neck and thorox angles of movement were reduced relative to those of the existing carrier, thereby reducing the risk of biomechanical injuries to the user. Moreover, the disclosed carrier reduced moments applied to the knee joint of the user, which is very sensitive to biomechanical injuries.
Claims
1. A load carrying system for a wearer, comprising:
- a carrier made of at least one flexible carrier material, the carrier comprising a front portion to be disposed at a front of the wearer and a back portion to be disposed at a back of the wearer, when the load carrying system is worn by the wearer;
- a load attachment arrangement for detachably attaching a load to at least the front portion;
- a front load distribution arrangement comprising at least one elongated front load distribution element made of a material more rigid than the carrier material and attached to the front portion of the carrier by a front attachment member different from, and operable independently of, the load attachment arrangement; and
- a back load distribution arrangement disposed in the back portion of the carrier and separated from the front load distribution arrangement by the material of the carrier.
2. The load carrying system according to claim 1, wherein the front portion has a height dimension substantially parallel to that of the wearer, the at least one elongated front load distribution element extending along a majority of the height dimension of the front portion.
3. The load carrying system according to claim 2, wherein the carrier has at least two carrier wearing straps, at least a front portion of the at least two carrier wearing straps constituting at least a part of the front portion of the carrier, the at least two carrier wearing straps being spaced from each other in a direction substantially perpendicular to the height dimension of the front portion, at least a part of the at least a front portion of each of the at least two carrier wearing straps being associated with the at least one elongated front load distribution element and comprising the front attachment member.
4. The load carrying system according to claim 3, wherein the at least a part of the at least a front portion of each of the at least two carrier wearing strap comprises a sleeve configured to receive therein the at least one elongated front load distribution element, which is insertable in, and withdrawable from, the sleeve.
5. The load carrying system according to claim 3, wherein the at least elongated front load distribution element comprises a plurality of elongated front load distribution elements that are each detachably attachable to the front portion of a corresponding one of the at least two carrier wearing straps.
6. The load carrying system according to claim 3, wherein the at least two carrier wearing straps bear at least a part of the load attachment arrangement.
7. The load carrying system according to claim 1, wherein part of the load attachment arrangement is spaced from the at least one elongated front load distribution element by the material of the carrier.
8. The load carrying system according to claim 3, wherein part of the load attachment arrangement is spaced from the at least one elongated front load distribution element by the material of the at least two carrier wearing strap.
9. The load carrying system according to claim 1, wherein the at least one elongated front load distribution element comprises a rod or a longitudinal strip.
10. The load carrying system according to claim 9, wherein the rod or the longitudinal strip made of metal.
11. The load carrying system according to claim 1, wherein the load attachment arrangement comprises one or more load carrying pockets detachably attachable at least to the front portion of the carrier and configured for carrying the load therein.
12. The load carrying system according to claim 2, wherein the load comprises a front armor panel.
13. The load carrying system according to claim 12, wherein the front armor panel's dimension in a direction substantially perpendicular to the height dimension of the carrier when the panel is attached to the load carrying system approximately corresponds to a dimension of the spacing between the front portions of the at least two carrier wearing straps.
14. The load carrying system according to claim 1, wherein the back load distribution arrangement comprises at least one elongated back load distribution element made of a material more rigid than the carrier material.
15. The load carrying system according to claim 14, wherein the back load distribution arrangement comprises at least the same number of the elongated back load distribution elements as the at least one elongated front load distribution element.
16. The load carrying system according to claim 14, wherein the at least one back load distribution element extends along the back portion of the carrier.
17. The load carrying system according to claim 16, wherein the at least one back load distribution element comprises a plurality of back load distribution elements that are spaced from each other along at least a part of respective lengths thereof.
18. The load carrying system according to claim 1, further comprising a belt adapted to encompass a pelvic area of the wearer, when the carrier is worn by the wearer, the front and back portions of the carrier joining the belt at respective bottoms thereof.
19. The load carrying system according to claim 18, wherein the belt comprises a belt front section associated with the front of the wearer so that the front load distribution arrangement terminates at the belt front section.
20. A kit, comprising:
- a load carrying system for a wearer including: a carrier made of at least one flexible carrier material, the carrier comprising a front portion to be disposed at a front of the wearer and a back portion to be disposed at a back of the wearer, when the system is worn by the wearer; a load attachment arrangement for detachably attaching a load to at least the front portion; a front load distribution arrangement comprising at least one elongated front load distribution element made of a material more rigid than the carrier material and attached to the front portion of the carrier by a front attachment member different from, and operable independently of, the load attachment arrangement; and a back load distribution arrangement disposed in the back portion of the carrier and separated from the front load distribution arrangement by the material of the carrier; and
- at least one load carrying pocket for carrying a load therein configured for being detachably attached to the carrier by the load attachment arrangement.
21. A carrier for a wearer made of at least one flexible carrier material, the carrier comprising:
- a front portion to be disposed at a front of the wearer, a back portion to be disposed at a back of the wearer, and a belt configured to encompass a pelvic area of the wearer, when the carrier is worn by the wearer, the belt comprising a belt front section to be disposed at the front of the wearer, a belt back section to be disposed at the back of the wearer and belt side sections therebetween being detachably attachable to the belt front section or the belt back section to allow adjustment of a width of the belt; and
- two carrier wearing straps, a front portion of the two carrier wearing straps constituting at least a part of the front portion of the carrier, the two carrier wearing straps attached at respective lower ends thereof to the belt side sections at locations spaced by a distance configured to change in accordance with a change of the width of the belt.
22. The carrier of claim 21, wherein the belt side sections are adjustably attachable to the belt front section or the belt back section to allow adjustment of the width of the belt.
Type: Application
Filed: Nov 15, 2010
Publication Date: May 19, 2011
Applicant: PLASAN SASA LTD. (M.P. Marom Hagalil)
Inventors: Avram Ya'akobovich (Haifa), Dana Benes-Dahan (Yoqneam llit), Adam Stevens (Rosh Pina), Gal Hay (Rosh Pina)
Application Number: 12/946,587
International Classification: A45F 3/04 (20060101);