EP0570193A1 - Coussinet d'épaule pour sac à dos - Google Patents

Coussinet d'épaule pour sac à dos Download PDF

Info

Publication number
EP0570193A1
EP0570193A1 EP93303634A EP93303634A EP0570193A1 EP 0570193 A1 EP0570193 A1 EP 0570193A1 EP 93303634 A EP93303634 A EP 93303634A EP 93303634 A EP93303634 A EP 93303634A EP 0570193 A1 EP0570193 A1 EP 0570193A1
Authority
EP
European Patent Office
Prior art keywords
shoulder
rucksack
pad
shoulder pad
region
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP93303634A
Other languages
German (de)
English (en)
Other versions
EP0570193B1 (fr
Inventor
Michael Charles Parsons
Michael Adrian Farnworth
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.)
Karrimor International Ltd
Original Assignee
Karrimor International Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Karrimor International Ltd filed Critical Karrimor International Ltd
Publication of EP0570193A1 publication Critical patent/EP0570193A1/fr
Application granted granted Critical
Publication of EP0570193B1 publication Critical patent/EP0570193B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A45F3/12—Shoulder-pads

Definitions

  • This invention relates to a shoulder pad for a rucksack harness.
  • Modern large capacity rucksacks have shoulder pads which in use extend from the scapular region at the back of a wearer to the chest region at the front, where they link to straps connectable to lower location points on the fabric sack or its supportive frame.
  • the respective pads for right and left are connected by webbing, or by being mounted on a relatively stiff plate, in the scapular region, and these conjoined regions may be adjustably mounted onto the substantially rigid supportive frame of the sack.
  • shoulder pads have conventionally been formed of flat pieces of foamed plastics which are cut out of large sheets of such material so as to have a curving, somewhat tapering shape and covered by a fabric envelope. This is known as the "cut and stitch" method of producing shoulder pads.
  • a shoulder pad by using a moulded foamed plastics core, which may have in-built curvature in two directions, from front to rear, i.e. in the direction extending over the shoulder of a wearer, as well as sideways, as disclosed in their earlier specification WO 91/05495.
  • the present invention aims preferably to spread the area of load transmission across substantially the entire width of each pad, so as to increase the comfort of the user and/or allow carrying of heavier loads with increased comfort, and generally to strengthen the pad so that it can be less bulky.
  • This reduces the need to produce a wide range of different sizes of shoulder pad and/or to produce pairs of shoulder pads with a range of different relative dispositions to suit users of different shoulder slope or shoulder breadth.
  • a web of relatively stiff plastics material may be mounted onto the surface of each pad remote from contact with the user's body so as to extend across substantially the entire width thereof.
  • this alone does not allow for sufficient flexure of the pad.
  • a rucksack shoulder pad which includes an elongate foamed plastics element having one or more webs of relatively stiff plastics material mounted onto one surface thereof, which surface is in use remote from the user's body, characterised in that the pad includes in at least one region of said one surface intermediate the ends of said element a plurality of elongate strips of relatively stiff plastics material arranged side by side longitudinally of the foamed plastics element, with a gap or respective gaps therebetween.
  • the area of load transmission is increased, thus permitting increased comfort of the user and/or increased load capacity.
  • the provision of the plurality of elongate strips helps to spread the load and additionally allows for flexibility of the shoulder pads.
  • the elongate strips with intervening gap(s) may be provided in a region of the shoulder pad which is intended to be bent over the top of the shoulder of a user.
  • the elongate strips with intervening gap(s) may be provided in a region of the shoulder pad which is intended to overlie the upper scapular region of a user, where a capability of transverse flexure of the pad is useful to suit users of different breadth of back.
  • a single web of relatively stiff plastics material is mounted onto the surface of the foamed plastics element remote from the user's body and elongate strips with intervening gaps are provided as an integral part of the web at both the region where the pad is to be bent over the top of the shoulder and the region where a capability for transverse flexure is desired.
  • the gaps may be formed by elongate longitudinal slots in the web. This helps to spead the load and cuts down the weight of the pad.
  • the elongate strips may consist of separate members extending between and connected to respective webs and they need not necessarily be formed of the same material as the webs. Alternatively they may consist of fingers integrally formed at the end region of one web and connecting at their free ends to a further web.
  • the strips may be provided only in the region where the pad is to be bent over the top of the shoulder. If a region having a capability for transverse flexure is to be included it may be provided simply as a region where there is no overlying stiffening web, for example a gap between the ends of respective webs.
  • these strips are advantageously narrower than the intervening gap or gaps in order to permit sufficient flexure but are also strengthened by standing proud of the plane of the web or webs.
  • the said strips are integral with the web, if the web is formed by stamping out, the said strips can be twisted upon application of heat so as to stand proud at an inclination to the plane of the web.
  • such strips can be formed with strengthening ribs disposed substantially perpendicular to the plane of the web.
  • a shoulder pad is to be provided with elongate strips with intervening gaps as an integral part of the web both a first region where the pad is to be bent over the top of the shoulder and a second region where a capability for the transverse flexure is desired
  • the elongate strips in the first region are formed by providing slots in the web
  • the elongate strips in the second region are formed by having elongate strips of the plastics material which stand proud of the plane of the web as described above.
  • Such a shoulder pad has the capability to provide the necessary transverse flexure in the second region whilst also spreading the load in the first region.
  • the web or webs and the strips, howsoever formed are mounted in a recess in the said one surface of the foamed plastics element. This reduces inadvertant detachment of an edge region of the web or one of the webs, and also leaves the pad with soft outer edges of foamed plastics material.
  • the shoulder pad may preferably be made by an injection moulding process, and in that case provision, such as protrusions, may be made for the attachment of various secondary webs or buckles etc.
  • the foamed plastics element will usually have a fabric cover applied thereto, as is conventional, and references heretofore to such an element include an element when so covered.
  • the present invention provides a harness for a rucksack, the harness including a pair of shoulder pads each according to the first aspect of the present invention.
  • rucksack shoulder pad as illustrated in Fig. 1, comprises an elongate moulded foamed plastics element 10 of somewhat curving configuration to one surface of which a relatively stiff, or semi-rigid, web 12 of plastics material is mounted.
  • the web 12 is mounted onto that surface of the element 10 which in use is remote from the users' body.
  • the web 12 is mounted, preferably by means of hot-melt adhesive, into a shallow recess in the said surface of the element 10 so that an edge margin of foamed material about 1cm wide surrounds the periphery of the web 12.
  • the foamed plastics material of the element 10 is preferably of closed cell type and may be polyethylene or EVA. It may be enclosed within a fabric envelope.
  • the material of the web may be polypropylene or nylon of a suitable stiffness, and may be formed by injection moulding.
  • the first series of slots 14, 16 are provided in the web 12, as shown.
  • the first series of slots 14, in a first region 15 of the pad, are three in number in the illustrated embodiments, thereby defining four remaining portions of web material which constitute substantially parallel strips 18.
  • These longitudinal slots and strips 14, 18 allow flexure of the pad over the top of the shoulder of the user, as illustrated in Figs. 2 and 3 and help spread the load across the width of the pad. Furthermore, they permit adjustment of the relative angle between the portion of the pad which overlies the rear of the user's shoulder and the portion which overlies the front so as to adapt automatically to the slope of the shoulders of any particular user.
  • the regions of the strips 18 which lie over the top of the shoulder and adapt thereto by longitudinal flexure may take up positions which are successively lower, by a millimetre or so in each case, from the strip 18 adjacent the neck of the user to the strip 18 furthest therefrom.
  • Fig. 2 shows two extreme positions which may be adopted by the pad in adapting to different slopes in the shoulders of users, while Fig. 3 shows the difference shoulder shapes more clearly.
  • the second series of slots 16, in a second region 19 of the pad may be five or six in number, as shown in Figs. 1, 4 and 5, thereby defining six or seven remaining portions of web material which constitute substantially parallel strips 20.
  • These strips 20 are twisted relative to the plane of the web 10 so as to provide a series of broad vanes which are arranged substantially parallel to each other and inclined, preferably at an angle of about 60°, relative to the plane of the web in its unflexed condition.
  • These strips or vanes 20 also effectively constitute a succession of parallelograms which stand proud from the plane of the web and are capable of swivelling to some extend at each end so as to permit a degree of flexure of the web in a direction transversely of the longitudinal extent of the pad. This flexure is best appreciated by reference to Figs. 4 and 5 where the pad is shown in each case in two extreme positions of minimum and maximum transverse flexure, which permits adjustment of the pads to users of different breadth of shoulders (Fig. 5)
  • the twisting of the strips 20 to form vanes produces wide gaps therebetween while retaining the strength of said strips. If the web is produced by moulding (instead of being stamped out as in the case of the illustrated example) the strips 20 need not be twisted or inclined and can be formed during moulding with integral upstanding ridges or ribs for purposes of strengthening.
  • the automatic conformation of the shoulder pads to the contour of the user's body is so good in practice that it may no longer be necessary to provide a chest strap to pull the front of the shoulder pads together to optimise their position.
  • Fig. 6 shows an alternative embodiment where flexure over the shoulder and/or automatic adjustment to different shoulder slope is achieved by having separate strip members 22 (at least two in number, as in the illustrated example) extending longitudinally of the pad between respective smaller webs 24, 26 of semi rigid plastics, which may be mounted in a shallow recess in a foamed plastics element 28, as in the previous embodiment.
  • the ends of the strips 22 may be connected to the webs 24, 26 by fasteners 30 in such a manner as to allow pivoting thereof.
  • fasteners 30 in such a manner as to allow pivoting thereof.
  • relative pivoting at the points or regions of connection is not essential.
  • the other region permitting transverse flexure may be similarly constructed.
  • that region may be left without any overlying web, with a further web 32 adjacent the broader end of the foamed plastics element 28.
  • Fig. 7 shows a pair of shoulder pads according to the first embodiment of the present invention connected together via a connection member 40, such as a support plate, to form a harness for a rucksack.
  • the shoulder pads are formed by an injection moulding process and connection points 42, 44 are provided for connection to buckles 46, 48.
  • the buckles 46, 48 may snap fit into connections 42, 44, thus providing connection points to straps or other fastening devices of the rucksack.

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  • Portable Outdoor Equipment (AREA)
EP19930303634 1992-05-11 1993-05-11 Coussinet d'épaule pour sac à dos Expired - Lifetime EP0570193B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9210128 1992-05-11
GB929210128A GB9210128D0 (en) 1992-05-11 1992-05-11 A rucksack shoulder pad

Publications (2)

Publication Number Publication Date
EP0570193A1 true EP0570193A1 (fr) 1993-11-18
EP0570193B1 EP0570193B1 (fr) 1997-01-02

Family

ID=10715333

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930303634 Expired - Lifetime EP0570193B1 (fr) 1992-05-11 1993-05-11 Coussinet d'épaule pour sac à dos

Country Status (4)

Country Link
EP (1) EP0570193B1 (fr)
DE (1) DE69307014T2 (fr)
DK (1) DK0570193T3 (fr)
GB (1) GB9210128D0 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0992205A1 (fr) * 1998-10-07 2000-04-12 Decathlon Sac à dos à élément monobloc d'appui scapulaire
FR2829002A1 (fr) * 2001-08-30 2003-03-07 Rossignol Sa Perfectionnement pour systeme de portage de sac a dos
KR100455838B1 (ko) * 2002-04-16 2004-11-10 송영철 능동적 하중 분산을 위한 가방 멜빵
WO2007058552A1 (fr) * 2005-11-21 2007-05-24 Curve International Limited Harnais de transport
WO2008064929A1 (fr) * 2006-11-28 2008-06-05 Henkel Ag & Co. Kgaa Poignée de transport, en particulier pour des paquets de lessive
WO2011061521A1 (fr) * 2009-11-17 2011-05-26 Falcon Innovations (Northampton) Limited Coussin pour bandoulière
WO2020128388A1 (fr) 2018-12-20 2020-06-25 Gravibag Sac équipe d'un accessoire de répartition de charge
FR3096561A1 (fr) 2019-06-03 2020-12-04 Gravibag Bretelle de portage équipée d’une armature de conformation
WO2023017171A1 (fr) * 2021-08-13 2023-02-16 Festool Gmbh Dispositif de support et procédé

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR7960E (fr) *
FR377314A (fr) * 1906-07-06 1907-09-04 Joseph Achard Dispositif pour attacher aux épaules les havresacs
EP0055238A1 (fr) * 1980-12-22 1982-06-30 Strömbergs Sadelmakeri AB Moyen de levage et de portage
WO1991005495A1 (fr) * 1989-10-18 1991-05-02 Karrimor International Limited Epaulette destinee au harnais d'un sac a dos
DE9201628U1 (de) * 1992-02-10 1992-04-09 Conzet, Hjalmar, 8221 Inzell Mit einer Polsterauf- oder -einlage versehener Tragriemen sowie eine entsprechende Polsterauflage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR7960E (fr) *
FR377314A (fr) * 1906-07-06 1907-09-04 Joseph Achard Dispositif pour attacher aux épaules les havresacs
EP0055238A1 (fr) * 1980-12-22 1982-06-30 Strömbergs Sadelmakeri AB Moyen de levage et de portage
WO1991005495A1 (fr) * 1989-10-18 1991-05-02 Karrimor International Limited Epaulette destinee au harnais d'un sac a dos
DE9201628U1 (de) * 1992-02-10 1992-04-09 Conzet, Hjalmar, 8221 Inzell Mit einer Polsterauf- oder -einlage versehener Tragriemen sowie eine entsprechende Polsterauflage

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0992205A1 (fr) * 1998-10-07 2000-04-12 Decathlon Sac à dos à élément monobloc d'appui scapulaire
WO2000019863A1 (fr) * 1998-10-07 2000-04-13 Decathlon Sac a dos a element monobloc d'appui scapulaire
US6484916B1 (en) 1998-10-07 2002-11-26 Decathlon Knapsack having a one-piece shoulder-blade pad element
FR2829002A1 (fr) * 2001-08-30 2003-03-07 Rossignol Sa Perfectionnement pour systeme de portage de sac a dos
KR100455838B1 (ko) * 2002-04-16 2004-11-10 송영철 능동적 하중 분산을 위한 가방 멜빵
WO2007058552A1 (fr) * 2005-11-21 2007-05-24 Curve International Limited Harnais de transport
WO2008064929A1 (fr) * 2006-11-28 2008-06-05 Henkel Ag & Co. Kgaa Poignée de transport, en particulier pour des paquets de lessive
WO2011061521A1 (fr) * 2009-11-17 2011-05-26 Falcon Innovations (Northampton) Limited Coussin pour bandoulière
CN102639026A (zh) * 2009-11-17 2012-08-15 猎鹰创新(北安普敦)有限公司 用于肩带的垫
WO2020128388A1 (fr) 2018-12-20 2020-06-25 Gravibag Sac équipe d'un accessoire de répartition de charge
FR3090284A1 (fr) 2018-12-20 2020-06-26 Gravibag Sac équipé d’un accessoire de répartition de charge
FR3096561A1 (fr) 2019-06-03 2020-12-04 Gravibag Bretelle de portage équipée d’une armature de conformation
WO2020245530A1 (fr) 2019-06-03 2020-12-10 Gravibag Bretelle de portage equipee d'une armature de conformation
WO2023017171A1 (fr) * 2021-08-13 2023-02-16 Festool Gmbh Dispositif de support et procédé

Also Published As

Publication number Publication date
DE69307014D1 (de) 1997-02-13
DK0570193T3 (da) 1997-05-12
DE69307014T2 (de) 1997-06-26
GB9210128D0 (en) 1992-06-24
EP0570193B1 (fr) 1997-01-02

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