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EP 0 630 196 B1 |
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EUROPEAN PATENT SPECIFICATION |
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Mention of the grant of the patent: |
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07.10.1998 Bulletin 1998/41 |
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Date of filing: 19.02.1993 |
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International Patent Classification (IPC)6: A45F 3/02 |
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International application number: |
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PCT/SE9300/139 |
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International publication number: |
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WO 9316/616 (02.09.1993 Gazette 1993/21) |
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DEVICE FOR HOLDING A BAG OR THE LIKE IN PLACE AND FOR DISTRIBUTING THE WEIGHT OF THE
BAG UPON THE BODY DURING ACTIVE MOVEMENT
VORRICHTUNG ZUM HALTEN EINER TASCHE IN RICHTIGE STELLUNG UND ZUM VERTEILEN DES GEWICHTES
DER TASCHE AN DEN KÖRPER WÄHREND EINER SCHNELLEN BEWEGUNG
DISPOSITIF SERVANT A MAINTENIR UN SAC OU UN ARTICLE ANALOGUE EN POSITION, ET A REPARTIR
LE POIDS DU SAC SUR LE CORPS AU COURS D'UN MOUVEMENT RAPIDE
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Designated Contracting States: |
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BE DE DK FR GB IT NL |
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Priority: |
25.02.1992 SE 9200559
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Date of publication of application: |
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28.12.1994 Bulletin 1994/52 |
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Proprietor: HATTO, Jaan |
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114 79 Stockholm (SE) |
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Inventor: |
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- HATTO, Jaan
114 79 Stockholm (SE)
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References cited: :
WO-A-88/06853 US-A- 4 878 606
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US-A- 4 346 827 US-A- 4 887 751
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| Note: Within nine months from the publication of the mention of the grant of the European
patent, any person may give notice to the European Patent Office of opposition to
the European patent
granted. Notice of opposition shall be filed in a written reasoned statement. It shall
not be deemed to
have been filed until the opposition fee has been paid. (Art. 99(1) European Patent
Convention).
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BACKGROUND ART
[0001] When a person is running his body is moving continously up and down a weight carried
in a bag affects the motion of the bag and thereby the body.
a) The body has completed its downward and start its upward movement from the lowest
position;

b) The body starts to fall from the highest position;

Where:
Ft = gravitational force
Fi = inertial force
Ff = frictional forces
Aup = acceleration of the body in upward movement
Adn = acceleration of the body in downward movement
Wup = velocity of the weight in upward movement
Wdn = velocity of the weight in downward movement
m = mass of the weight
s = displacement, distance, there inertial forces act to stop the downward or upward
movement of the weight and to direct it downward or upward again.
[0002] The document USA 4,878,606 presents a device comprising a waist belt, a shoulder
strap, an adjustable underarm strap. A bag is supported by waist belt by means of
a multiple belt loop system adjacent the user's hip.
[0003] The human body is continuosly moving. A bag has to follow the complecated movement
of the body. The presented device does not provide appropriate directed elasticity
to hold a bag and its contents securely in place with a minimum impact to the body
during the complicated movements. In the case the bag is fixed too tight or too loose
to the body of user it creates discomfort and even injury by long time use with heavier
loads.
[0004] The presented device has a diagonnally crossing shoulder strap and underarm strap
to hold the shoulder strap in its proper place, which is a result of lacking elasticity.
The tight waist belt does not allow to distribute weight automatically and accordingly
to movements.The shoulder strap is attached to the ends of the bag.
[0005] In ordinary devices the weight of a load is not fixed in its position inside of bag
and will move with a greater velocity than the bag. Thus F
i consists of two components, i.e. the mass and velocity of the weight contributing
the inertial force When these forces become sufficiently strong the weight and the
bag begin to move relative to the body. When displacement s becomes sufficiently great
the weight creates a discord relative to the motion of the body.
[0006] In this way the weight and the bag fall out of the step with the motion of the body
which the carrier experiences as an unpleasent bouncing movement. Displacement s becomes
even greater.
[0007] If it is necessary to carry paper or documents in format up to A4, to move around
freely and to have hands free while having a breast pocket available at the same time,
there are at present no known device which permit to insert or take out materials
without taking off first a bag. The invention as claimed provides a solution to this
problem.
[0008] The purpose of the invention is to keep the displacement s at a so low level that
it does not disturb a carrier The invention is directed to a device which comprises
an elastic waist belt (D), a shoulder strap (A) and a bag or holder (E). The shoulder
strap (A) is attached to the elastic waist belt (D) by an adjustable fastening (B),
which is adjustable along the elastic waist belt (D). The upper end of the bag or
the holder (E) is attached to the shoulder strap (A) and the lower part of the bag
is formed adjustable on the elastic waist belt (D) by means of an adjustable fastening
(F), which slides along the elastic waist belt (D). The bag or holder may be detached
from the shoulder strap (A). The elastic waist belt (D) has different elasticities
on the front and rear side and least one buckle (C,G).
[0009] Equations (1) and (2) show that the lower the level of displacement s the greater
forces are acting upon the device and thereby the body of a carrier. With the device
of the invention the weight is pressed tightly against the body and thereby reducing
the moment of the weight upon the carrier's shoulder and subsequently increasing the
friction. This together with the elasticity of the of the belts, holds bag and its
contents stationary. The counteractive force of the elasticity is proportional to
displacement s.
[0010] The forces F
up and F
dn act on a relatively limited area of the body.When a person runs or jumps the body
begins to fall with an acceleration g,whereby

.Thus F
t =0 and weight strikes the bag and thereby the body upward with the inertial force
F
i. Equations (1) and (2) show that F
dn is always greater than F
up.
[0011] Accordingly a harder fastening is needed when the body moves upward; than the body
starts to fall. Usually a weight is bound equally in the both cases or a bag is hanging
on the belt (D).
[0012] The elastic waist belt (D) which enables a dampening effect downward together with
the friction of the shoulder strap (A) counteract the force F
dn on the both sides of the body. When the body starts to fall the elastic waist belt
(D) acts only under the bag. In this way the same effect is achieved with less pressure
and a lighter fastening to the body.
[0013] When the weight of the load is increased or the carrier begins to run instead of
to walk, the equlibrium between forces F
dn F
up and forces fixing the bag become disrupted. With the bags ordinarily in use it would
be necessary to take a bag off and open buckles to adjust the length of the belt or
strap in order to fasten the bag more securely to the body or the weight and bag will
be hold with hands which are not free in this case.
[0014] The invention has adjustable fastenings (B) and (F) which are adjustable along the
elastic waist belt (D). It is not necessary to open any buckle or take off the bag
to adjust the belt or strap. This is carried out simply by drawing the elastic waist
belt (D) through the freely sliding fastening (F) and press the elastic waist belt
(D) downward simultaneously (Fig.3.). The length of the elastic waist belt (D) and
shoulder strap (A) is made adjustable for more ajdustment.
[0015] If a carrier suddenly falls or jumps a device will be exposed to considerably stronger
forces. In this case the durability of the construction is put to a serious test.
The invention effectively reduces an impact of heavier blows due to the elasticity
of the elastic waist belt or belts (D). The bag or holder (E) is attached to upper
end of the front side, which enables to fix the weight inside of the bag partly or
entirely (Fig..2.) In a second embodiment of the invention two bags are connected
to the elastic belt (D) comprising of two elastic waist belts sliding freely against
one another (Fig.4.) and in a third embodiment the bags are jointed into one.
[0016] (Fig.5.) enabling the distribution the increasing pressure of the bag upon the waist
belt and the shoulder strap and thereby on the body.
1. A device comprising a bag or holder (E) designed to hold its contents securely in
place during active movement, to distribute the weight of the bag or holder upon the
body, and to effectively dampen heavier impacts, the device comprising a waist belt
(D) a shoulder strap (A) at least one buckle (C,G), and first fastening (F) to adjust
the lower part of the bag or holder (E) along the waist belt (D), the bag or holder
(E) being attached to shoulder strap (A) by its upper end, the length of the belt
and strap being adjustable,
characterised in that,
the belt (D) is elastic, the shoulder strap (A) is attached to the waist belt (D)
by a second fastening (B), which is adjustable on the waist belt (D).
2. Device according to claim 1,
characterised in that
the bag (E) is detachably mounted on the strap (A).
3. Device according to claims 1 and 2,
characterised in that,
the bag (E) is movable along, the strap (A).
4. Device according to any of the above claims,
characterised in that,
the bag (E) is attached at its upper end of the front and its lower part of the rear
side. (Fig.2.).
5. Device acording to any of the above claims,
characterised in that,
the belt (D) has different elasticities on the front and rear sides.
6. Device according to any of the above claims,
characterised in that,
the bag (E) is designed as a paper holder.
7. Two devices according to claims 1,2,3,4 and 5,
characterised in that,
they are assembled as a single unit, the elastic belt (D) being comprised of two said
elastic belts which slide freely against one another, both bags sliding freely along
the elastic belt (Fig.4.).
8. Device according to claim 7 for use as a haversack
characterised in that,
bags are assembled as a single unit, associated with two said shoulder straps and
two said waist belts sliding freely against one another. (Fig.5.).
1. Die Vorrichtung dient dazu, bei einer aktiven Bewegung die Tasche und deren Inhalt
unbeweglich zu lassen, das Gewicht der Tasche am Körper ausgleichen sowie kräftige
Schläge zu dämpfen. Die Vorrichtung besteht aus einem Gurt (D), einem Schulterriemen
(A), mindestens einer Schnalle (C,G) und erste Bindung (F) dient dazu, der Unterteil
der Tasche oder Halfter (E) auf dem Gurt (D) justieren. Die Länge des Gurtes (D) und
Schulterriemens (A) ist justierbar.
ist davon gekennzeichnet
daß der Gurt (E) elastisch, der Schulterriemen (A) wird an dem Gurt (D) mit Hilfe
anderer Bindung (B) befestigt, die Bindung (B) ist justierbar auf dem Gurt (D) und
das obere Ende der Tasche oder Halfter (E) wird an dem Schulterriemen (A) befestigt
Bild 1.
2. Die Vorrichtung gemäß Anforderungen 1
ist davon gekennzeichnet
daß die Tasche (E) wird an dem Gurt (A) trennbar befestigt.
3. Die Vorrichtung gemäß Anforderungen 1,2,
ist davon gekennzeichnet
daß die Tache (E) auf dem Gurt (A) beweglich ist.
4. Die Vorrichtung gemäß einer der obigen Anforderungen
ist davon gekennzeichnet
daß die Tasche (E) an die Oberkante der Vorderseite und die Unterkante der Rückseite
befestigt wird. Bild 2.
5. Die Vorrichtung gemäß einer der obigen Anforderungen
ist davon gekennzeichnet
daß die Vorder- und Rückseite des Gurtes verschiedene Elastizität haben.
6. Die Vorrichtung gemäß einer der obigen Anforderungen
ist davon gekennzeichnet
daß die Tasche (E) wie eine Papiermappe ausgeführt ist.
7. Zwei Vorrichtungen gemäß der Anforderungen 1,2,3,4 und 5
sind davon gekennzeichnet,
daß die einer Einheit zusammengesetzt werden. Der elastische Gurt (D) besteht aus
zwei elastischen Gurten, die frei gegeneinander laufen und beide Taschen sind auf
dem elastischen Gurt voll beweglich. Bild 4.
8. Die Vorrichtung gemäß der Anforderung 7
ist davon gekennzeichnet
daß die Taschen zu einer Einheit zusammengesetzt werden, die zwei Schulterriemen und
Gurte angeschlossen werden, damit die Gurte frei gegeneinander laufen. Bild 5.
1. Un dispositif comprenant un sac ou étui (E) conçu pour que son contenu soit maintenu
en place en sécurité lors de mouvements actifs, pour répartir le poids du sac ou de
l'étui sur le corps et amortir efficacement le chocs les plus durs, le dispositif
comprenant une ceinture pour la taille (D), une courroie passant sur l'épaule, une
boucle au moins (C,G),et une première attache (F) pour ajuster la partie inférieure
du sac ou l'étui (E) sur la ceinture (D). La ceinture (D) sa longueur et celle de
la courroie etant ajustables
caractérisé par le fait que
la ceinture (D) est élastique, la courroie est attachée à la ceinture (D) par une
seconde attache (B) ajustable sur le ceinture (D), le sac ou étui (E) étant attaché
à la courroie (A) par son extrémité supérieure.
2. Le dispositif selon le revendication 1 est
caractérisé par le fait que
le sac (E) est détachable de la courroie (A) sur laquelle il est monté.
3. Le dispositif selon les revendications 1 et 2 est
caractérisé par le fait que
le sac (E) est mobile le long de la courroie (A)
4. Le dispositif selon toute revendication ci-dessus mentionée est
caractérisé par le fait que
le sac (E) est attaché à l'extrémité supérieure de l'avant et à la partie inférieure
du côté arrière (Fig 2)
5. Le despositif selon toute revendication ci-dessus mentionnée est
caractérisé par le fait que
la ceinture (D) a différentes élasticités sur les côtés avant et arrière.
6. Le despositif selon toute revendications ci-dessus mentionnée est
caractérisé par le fait que
le sac (E) est conçu comme étui porte -document.
7. Deux dispositifs selon les revendications 1,2,3,4 et 5 sont
caractérisés par le fait que
ils sont assemblés en une simple unité, le ceinture élastique (D) comprenant les deux
ceintures élastiques mentionnées glissant librement l'une contre autre, les deux sacs
glissant librement le long de la ceinture élastique (Fig 4).
8. Le dispositif selon le revendication 7 pour être utlisé sac à dos est
caractérisé par le fait que
les sacs sont assemblés en une simple unité, associée avec les deux courroies sur
l'épaule et les deux ceintures mentionnées, glissant librement l'une contre l'autre
(Fig.5).

