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WO2012030864A2 - Bande de répartition de charge à adaptation à l'anatomie et ergonomique - Google Patents

Bande de répartition de charge à adaptation à l'anatomie et ergonomique Download PDF

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Publication number
WO2012030864A2
WO2012030864A2 PCT/US2011/049796 US2011049796W WO2012030864A2 WO 2012030864 A2 WO2012030864 A2 WO 2012030864A2 US 2011049796 W US2011049796 W US 2011049796W WO 2012030864 A2 WO2012030864 A2 WO 2012030864A2
Authority
WO
WIPO (PCT)
Prior art keywords
strap
load
resilient
cutout
bearing area
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.)
Ceased
Application number
PCT/US2011/049796
Other languages
English (en)
Other versions
WO2012030864A3 (fr
Inventor
Benjamin Wong
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN2011800488471A priority Critical patent/CN103249328A/zh
Publication of WO2012030864A2 publication Critical patent/WO2012030864A2/fr
Publication of WO2012030864A3 publication Critical patent/WO2012030864A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C3/00—Flexible luggage; Handbags
    • A45C3/001—Flexible materials therefor
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/30—Straps; Bands
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
    • A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
    • A45F3/14—Carrying-straps; Pack-carrying harnesses

Definitions

  • Straps and harnesses have long been used when people or animals carry or move large and/or bulky loads. Carrying heavy loads often causes discomfort that is generally attributed to the weight of the load, but the strap or harness may also be to blame for such discomforts. For instance, the straps on daypacks or backpacks that are commonly used by students have seen minimal improvement since such packs were originally introduced. Yet, the load and repetitive movement of a traditional strap of a backpack may cause strain, rashes, and undue injury. Still, students typically blame the weight of the items carried while not realizing that the strap or harness is actually a cause of their injuries. As such, cases of Repetitive Strain Injury (RSI) and Musculoskeletal Disorder (MSD) continue to rise.
  • RSI Repetitive Strain Injury
  • MSD Musculoskeletal Disorder
  • a strap or harness can provide a better force distribution by means of a cutout.
  • the cutout is centered and runs longitudinally along a strap but terminates before the edge.
  • the cutout can provide curved outer edges that are narrowest at the center to effectively create parallel members that facilitate adaptable and improve conformity even when compressed to anatomical features such as the acromion, trapezius, shoulder, and neck area.
  • a strap system can thus redirect and divert a dynamic load from directly compressing sensitive nerves and muscles. The redirection may reduce pressure and aid recovery in a multitude of areas, including but not limited to: Repetitive Strain Injury (RSI), Musculoskeletal Disorder (MSD), neuromuscular disorders, orthopedic injuries, fatigue, and general discomfort.
  • the cutout can also promote breathability in order to wick moisture and lessen the chance of rashes and other potential medical conditions.
  • a weakness of some previous strap and harness designs is the tendency to shift and slip as a result of the dynamic force causing a strap to slide over one plane, much like sliding on a sheet of ice. This slipping often causes a user to adjust the load and the position of weight over the body and reset how the straps sit on their shoulders.
  • Some embodiments of the invention address the problem of slipping through the cutout channel creating two or more planes, thus reducing the drag of the leading edge by decreasing the overall surface tension created by the directional push and pull forces.
  • swivels at the ends of the strap and/or harness can create joints that allow extension straps to move independently from the main member.
  • the independent movement may help to reduce strain and material rub, plus increase slack and reduce tension, giving the user more dynamic freedom by mimicking the pivoting action of anatomical joints rather than the strap cutting into the user.
  • the swivels can also increase stability of the main static member.
  • the useful life of a strap can be extended by increasing the perceived value and overall usability.
  • Such straps or harnesses can be integrated in, adapted for, or added to applications including but not limited to: undergarments, backpacks, binoculars, sporting goods, firearms, media recording devices, digital devices, messenger bags, golf bags, totes, purses, splint, parachutes, animal harnesses, remote control units, medical devices, tablets, computers, computer devices, moving straps, and other similar load bearing products.
  • Other features may include modular members such as threads, clips, rings, and other types of connectors.
  • An additional or integrated feature of some embodiments of the invention is the use of low friction webbing or material that helps facilitate better movement for the strap and/or harness by decreasing the drag and increasing user comfort by reducing of texture in the material. Such material may also aid object movement and decrease getting snagged or tangled. Alternately, various materials, grain line cuts and reinforcement points can be used to improve the durability while keeping the main functionality of the invention intact.
  • Figs. 1A, IB, 1C, and ID show a portion of a strap system in accordance with alternate embodiments of the invention including a resilient and pliant strap that is shaped to contact a user.
  • Figs. 2A and 2B show plan views of the upper side of a strap system in accordance with an embodiment of the invention including a strap and extension straps.
  • Fig. 3 is a plan view of the upper side of a strap in accordance with an embodiment of the invention including quick release buckles.
  • Fig. 4 is a plan view of a strap in accordance with an embodiment of the invention having reinforcement points.
  • Fig. 5 is a perspective view showing a cross section towards one end of a strap containing a resilient and pliant layer.
  • Fig. 6 shows a camera strap in accordance with an embodiment of the invention.
  • Fig. 7 shows backpack straps in accordance with an embodiment of the invention.
  • Fig. 8 shows bag straps in accordance with an embodiment of the invention.
  • Fig. 9 shows a medical splint or brace application in accordance with an embodiment of the invention.
  • FIG. 1A is a plan view of the upper side of a portion of a carrying strap or harness system in accordance with an embodiment of the invention.
  • a harness or carry strap system includes a shoulder strap 1 that can be formed from neoprene or polychloroprene foam, rubber or synthetic rubber, or a similar resilient/pliable material.
  • a strap formed from a material such as neoprene generally needs to be thicker and wider than a strap formed from leather or a fabric webbing that carries the same load.
  • strap 1 is a neoprene shoulder strap for carrying the weight of a camera
  • strap 1 might be about 4 to 6 mm thick, about 7 to 8 cm wide, and about 35 to 40 cm long.
  • Strap 1 is further shaped to have at least one outer edge 15 that is curved, so that a load bearing area of strap 1 is narrowest at its center.
  • the curved shape can provide a contoured, ergonomic, and custom molded fit to any anatomical feature.
  • the width of strap 1 can be uniform to maximize the load-bearing area at its center. Corners 25 where the load carrying area transitions to connector areas 10 can be smoothed or rectangular depending on the application and width of the strap 1.
  • Strap 1 further has a cutout 5 in the center of strap 1 and running longitudinally but terminating before the edge.
  • the cutout 5 can have any width that is greater than zero but less than the width of strap 1.
  • Cutout 5 is straight in Fig. 1 A but can be in a variety of shapes and sizes to accommodate different applications.
  • the length of cutout 5 can generally be greater than zero but less than the length of strap 1.
  • cutout 5 can provide better force distribution and adaptable conformity when compressed to the anatomically targeted features of the body of a user.
  • cutout 5 creates separate regions of strap 1 that can independently adjust to the angle or shape of a user's anatomy upon which the region rests. The separate regions in a shoulder strap can thus separately accommodate the different angles of the trapezius and deltoid muscle in the shoulder of a user.
  • Strap 1 with a single cutout 5 as shown in Fig. 1A provides two regions that extend along the length of strap 1 and are able to separately conform to the anatomy of a user.
  • Fig. IB shows an alternate embodiment in which strap 1 includes two cutouts 5 that are parallel to each other to create three regions that can separately conform to the angle of the anatomy supporting the strap 1.
  • Fig. 1C shows another alternate embodiment of strap 1 which has six cutouts 5 that extend along the length of strap 1 but are shorter than cutout 5 of Fig. 1 A.
  • the transverse separations between the independent regions can be limited.
  • Fig. ID shows an alternate embodiment with cutouts in different shapes, which may not only extend along the length of strap 1 but can also be perpendicular to the length of strap 1 to provide a different flexibility.
  • strap 1 can make strap 1 more comfortable than prior straps when carrying heavy or awkwardly shaped objects for a long period of time.
  • cutout 5 and curve on outer edge 15 provides additional comfort and stability by conforming to the anatomical features of the human body. In this way, strap 1 functions as a primary shock absorber that reduces the overall static and dynamic forces from the load carried.
  • One or both of the top and bottom surfaces of the strap 1 may be covered by a layer of more resiliently dense material or fabric 6.
  • Fabric 6 has two primary functions. One function is to reinforce strap 1 and increase durability of strap 1 by decreasing wear and tear on primary material (e.g., neoprene) of strap 1. Another function of layer 6 is to provide a surface on which decorative designs, messages, grip surfaces, textures, or other utility enhancing adaptations can be applied. Moreover, to provide further durability, binding or elastic material may be stitched along the edges 7 of the strap 1.
  • Connector areas 10 at the ends of strap 1 are access points that allow mounting of strap 1 in many configurations for different uses. Connector areas 10 and the associated termination point can vary in design to accommodate different applications.
  • a camera strap might have a different connector area and end than would the straps on a backpack or other items.
  • end 10 will be attached to another strap, a connector, a harness, or a material that braces the static and dynamic load of an object being carried.
  • FIGS. 2A and 2B show plan views of the upper side of a strap system including a neoprene foam strap 1 and extension straps la.
  • Fig. 2A shows body-contacting strap 1 and extension straps la as separate pieces
  • Fig. 2B shows body-contacting strap 1 and extension straps la connected together to form a strap system.
  • Body-contacting strap 1 provides a load bearing area of a resilient and pliant material containing a cutout as described above, while extension straps la may be made of a conventional strap material such as nylon.
  • strap 1 has swivel components 30 at ends 10 for connection to matching swivel components 31a on extension straps la.
  • Swivel components 30 and 31a create joints at the ends of strap 1 that allow extension straps la to move independently from strap 1.
  • the independent motion of extension straps la which may connect to a load, may help to reduce strain, material rub, and sores where strap 1 contacts a user.
  • the independent motion can also increase stability of the strap 1 by reducing the tendency of strap 1 to slip in response to movement of the forces that the load applies through extension straps la.
  • the swivel component 30 or end attachment can secured on to strap 1 by a webbing 46 made from nylon or material with similar characteristics. Box stitches 45 or attachments are used to attach webbing or material 46 on to the strap 1. Stitches 45 and webbing 46 can provide additional reinforcement to the ends of strap 1 to prevent the resilient material from losing memory when stretched.
  • FIG. 3 is a plan view of the upper side of a neoprene foam strap with quick release buckles 35 attached to ends 10 of strap 1.
  • Quick release buckles 35 provide a quick method to connect and disconnect strap 1 from an object or load.
  • Quick release buckles 35 can be used in combination of separate swivel components 30 (such as shown in Figs. 2A and 2B) or can be integrated with a swivel to form a quick release swivel buckle.
  • FIG. 4 is a plan view of the upper side of a neoprene foam strap 1 with reinforcement points that improve durability and decrease the likelihood of the strap stretching, tearing, or being damaged from load-out or activities pushing the limits of the material.
  • reinforcement mounting points 55 are at the ends of cutouts 5.
  • the mounting points 55 may be composed of a fabric material that is less elastic than the resilient material portion of strap 1.
  • reinforcement webbing 50 formed from a durable hybrid fabric, such as nylon or other elastic webbing, is attached to mounting points 55 and to the box stitches 45 or alternately near the end of the strap.
  • a loop may be formed from reinforcement webbing 50, so that webbing 50 becomes taut and takes up the burden of the load carried by strap 1 before forces stretching strap 1 exceed the material elasticity limit, thereby preventing strap 1 from tearing.
  • reinforcement webbing 50 further runs the longitudinal length of the strap 1, but then webbing 50 may hinder comfort and anatomical contouring of cutout 5.
  • FIG. 5 is a perspective view of an embodiment of strap 1 showing a cross section towards one end 10 of a strap 1 containing a central neoprene layer 8 sandwiched between fabric layers 6. A thickness of strap 1 is chosen to result in the best combination of comfort and resilience to the load carries.
  • the thickness of neoprene layer 8 can vary from 1 mm to 20 mm with a typical thickness of 4 mm to 6 mm for straps that people use to carry typical loads.
  • Each layer of nylon fabric 6 contains grain lines 70 that influence the elasticity of strap 1. Aligning grain lines 70 parallel to the length of the strap will result in a stiff er and less elastic strap. On the other hand, aligning grain lines 70 perpendicular to the length of strap 1 may result in a more elastic and hence more comfortable strap.
  • the grain line 70 alignment can be chosen in such a manner to maximize comfort and bear the carried load without excess stretch.
  • FIG. 6 shows a version of strap 1 being used in a camera strap application.
  • Fig. 6 particularly illustrates how the contoured edges 15 of strap 1 and cutout 5 allow strap 1 to better conform to the anatomy, e.g., shoulder and neck, of a user.
  • FIG. 7 shows a pair of straps 1 used in a backpack application.
  • a pair of straps 1 including neoprene portions having cutouts 5 and contoured edges are the primary structures applying the weight of a load to the anatomy of a user.
  • Ends 10 of straps 1 can connect to a knapsack either in a conventional manner or using swivels as described above.
  • a pair of straps 1 can be used across, around, or on the shoulders where ends 10 connect to a harness or extension strap for carrying objects such as hydration bags, snowboards, skateboards, skis, and chest-facing carrier applications including laptops, selling concession items, and baby carriers to name a few.
  • FIG. 8 shows a version of strap 1 being used in a laptop, purse, or messenger bag application.
  • strap 1 which may include neoprene with a cutout 5 and contoured edges rests on a user's shoulder and connects to a bag 80 via extension straps la.
  • FIG. 9 shows a version of strap 1 being used in a medical splint, sling, or brace application.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Portable Outdoor Equipment (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

L'invention porte sur un système comprenant une bande (1) fabriquée à l'aide d'une couche (60) de matériau souple et pliable, tel que du néoprène. Une découpe (5) s'étend le long de la bande et se termine à des zones de liaison (10) du matériau souple et pliable, et une charge (80) peut être reliée aux zones de liaison (10). Lorsqu'un utilisateur emploie le système, un poids de la charge (80) est principalement appliqué sur l'utilisateur à une zone de support de charge de la bande (1) comprenant la découpe centrale (5). Dans certains modes de réalisation, la bande (1) peut comprendre en outre un bord incurvé (15) qui aide la bande (1) à se conformer à l'anatomie (par exemple, une épaule) d'un utilisateur, et un pivot (30) qui relie la bande (1) à une bande d'extension (1a).
PCT/US2011/049796 2010-08-30 2011-08-30 Bande de répartition de charge à adaptation à l'anatomie et ergonomique Ceased WO2012030864A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011800488471A CN103249328A (zh) 2010-08-30 2011-08-30 人体结构自适应且符合人体工学的负载分布带

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40240110P 2010-08-30 2010-08-30
US61/402,401 2010-08-30

Publications (2)

Publication Number Publication Date
WO2012030864A2 true WO2012030864A2 (fr) 2012-03-08
WO2012030864A3 WO2012030864A3 (fr) 2012-06-28

Family

ID=45695779

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/049796 Ceased WO2012030864A2 (fr) 2010-08-30 2011-08-30 Bande de répartition de charge à adaptation à l'anatomie et ergonomique

Country Status (3)

Country Link
US (1) US20120048900A1 (fr)
CN (1) CN103249328A (fr)
WO (1) WO2012030864A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015073123A1 (fr) * 2013-11-12 2015-05-21 Stuart Troy Harnais à quatre points à action unique pour sac à dos
US10806871B2 (en) 2012-02-29 2020-10-20 Pulmatrix Operating Company, Inc. Inhalable dry powders

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140103084A1 (en) * 2012-05-02 2014-04-17 Daymen Us, Inc. Pulley Camera Strap And Camera Mounting System Using Same
FR2990607A1 (fr) * 2012-05-15 2013-11-22 Lafuma Sa Sac a dos pour la course ou la randonnee pedestre
US9146073B1 (en) * 2012-12-07 2015-09-29 Andre Roy Sling for archery bow
US9185965B1 (en) * 2013-02-05 2015-11-17 Rishi S Bhati Strap with decorative hook and loop applique
CN104082942B (zh) * 2014-06-30 2016-05-25 苏州征之魂专利技术服务有限公司 一种多次折叠固定舒适型通用弹性带
US9630671B1 (en) * 2016-03-18 2017-04-25 Benjamin Sze Connector for chin-strap assembly of helmet
US10285480B2 (en) 2016-06-27 2019-05-14 Miko Chovich Load conveyance system
US10761412B1 (en) * 2016-11-08 2020-09-01 Filip Postolek Camera holder
US10398525B1 (en) * 2018-10-11 2019-09-03 United States Of America, As Represented By The Secretary Of The Navy Medical monitor pouch
WO2021046012A1 (fr) * 2019-09-03 2021-03-11 Vista Outdoor Operations Llc Élingue d'arme à feu
JP2023015441A (ja) * 2021-07-20 2023-02-01 岳峰 李 弾性肩掛けベルト
USD1031901S1 (en) 2021-12-31 2024-06-18 Bushnell Inc. Firearm sling
WO2023123369A1 (fr) * 2021-12-31 2023-07-06 Bushnell Inc. Élingue d'arme à feu

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US2808973A (en) * 1954-08-20 1957-10-08 Kenneth W Gobble Shoulder pad
US4487347A (en) * 1983-09-12 1984-12-11 Zegar Michael A Golf bag and carrying device
US5695102A (en) * 1995-04-28 1997-12-09 William R. Heckerman Elastic shoulder strap
US5961019A (en) * 1997-07-09 1999-10-05 K-2 Corporation Backpack load distribution pad
DE20109203U1 (de) * 2001-06-01 2001-08-23 Andreas Stihl AG & Co., 71336 Waiblingen Tragvorrichtung zum Tragen eines Hochentasters
KR100455838B1 (ko) * 2002-04-16 2004-11-10 송영철 능동적 하중 분산을 위한 가방 멜빵
CN1694637A (zh) * 2003-07-29 2005-11-09 日本爱特克斯株式会社 肩带及装有该肩带的婴儿背带
JP2005058726A (ja) * 2003-07-29 2005-03-10 Nippon Eitekkusu Kk 肩ベルト及びその肩ベルトを備えた子守帯
US20070125815A1 (en) * 2005-12-02 2007-06-07 Joy Tong Combination suitcase
US20080203127A1 (en) * 2007-02-26 2008-08-28 Baby Go Go Company Accessory item carrying device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10806871B2 (en) 2012-02-29 2020-10-20 Pulmatrix Operating Company, Inc. Inhalable dry powders
WO2015073123A1 (fr) * 2013-11-12 2015-05-21 Stuart Troy Harnais à quatre points à action unique pour sac à dos
US9521895B2 (en) 2013-11-12 2016-12-20 Troy Stuart Single action four point harness for a backpack

Also Published As

Publication number Publication date
US20120048900A1 (en) 2012-03-01
CN103249328A (zh) 2013-08-14
WO2012030864A3 (fr) 2012-06-28

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