EP3512375B1 - Harness for carrying an electric battery and power supply device - Google Patents

Harness for carrying an electric battery and power supply device Download PDF

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Publication number
EP3512375B1
EP3512375B1 EP17793685.3A EP17793685A EP3512375B1 EP 3512375 B1 EP3512375 B1 EP 3512375B1 EP 17793685 A EP17793685 A EP 17793685A EP 3512375 B1 EP3512375 B1 EP 3512375B1
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EP
European Patent Office
Prior art keywords
harness
battery
carrying
strap
straps
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EP17793685.3A
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German (de)
French (fr)
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EP3512375A1 (en
Inventor
Frédéric FORTIER
Philippe Gilbert
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Pellenc SAS
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Pellenc SAS
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    • 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

  • the present invention relates to a carrying harness for an electric battery and an electric power supply device comprising the harness and an electric battery.
  • An electric battery is understood to mean an electric accumulator battery intended in particular for supplying power to tools with an electric motor.
  • the invention finds applications in the field of autonomous power tools, and in particular for supplying high-power electric tools such as hedge trimmers, secateurs, blowers, chainsaws, brush cutters as well as plowing tools for applications in agriculture or the maintenance of green spaces.
  • high-power electric tools such as hedge trimmers, secateurs, blowers, chainsaws, brush cutters as well as plowing tools for applications in agriculture or the maintenance of green spaces.
  • the invention can also find applications for portable power tools in the building and public works field.
  • the battery can be housed directly in the body of the tool, while maintaining satisfactory ergonomics of use.
  • the weight of the batteries is hardly compatible with their carrying directly in the body of the tool.
  • the weight of which can easily exceed 5 kilograms, carrying on the back is considered.
  • an electric cord of short length connects the electric battery carried on the back, to the tool, generally held in the hand.
  • Carrying on the back of electric batteries is facilitated by the use of carrying harnesses.
  • Such harnesses in fact make it possible to carry a relatively heavy battery and for a relatively long period while limiting the wearer's fatigue.
  • Carrying harnesses generally include carrying straps and a carrying belt so as to distribute the load forces both on the shoulders and on the hips of the user. Harnesses can also be used to carry a tool with its own electric battery.
  • a carrying harness generally causes a certain restriction on the wearer's freedom of movement, and in particular of the upper body and of his shoulders. Also, to limit this drawback, which is not specific to carrying electric batteries, certain harnesses are equipped with joints or shoulder straps holding mechanisms promoting movement of the shoulders when carrying. Finally, the carrying harnesses can be provided with numerous adjustments making it possible to adjust the position of the load carried to the size and build of the wearer.
  • the invention proceeds from the observation that the comfort of carrying an electric battery does not depend only on the suitability of the harness with the morphology of the wearer. While it is important to offer a certain freedom of movement to the wearer of the harness and to adapt the harness to their size and morphology, taking these parameters into account is insufficient to guarantee the comfort of prolonged use. . This is the case in particular for a harness intended for carrying an electric battery and possibly an associated electric tool during a working day. Indeed, the wearing comfort of the harness over a long period of time also requires consideration of the particular type of posture of the wearer of the harness when using a given power equipment.
  • a user of electric pruning shears can predominantly occupy an upright posture, for example, in the case of arboreal pruning or height pruning. Conversely, the user can occupy a posture curved down in the case of a low vineyard height.
  • a different particular position of the power supply battery may be desirable.
  • a battery carry in a low back position may be sought to relieve the shoulders and facilitate movement of a forward leaning user. Conversely, carrying the battery higher, closer to the shoulders, can improve the balance of a user holding a tool at arm's length.
  • the same battery, and the same battery carrying harness can be used for different tools, or for different uses of the same tool during a day.
  • the object of the present invention is to provide a battery carrying harness, and more generally a power supply device. electric, which can be easily and quickly adapted to different tools, different users and different working postures.
  • Another object is to provide a harness offering great freedom of movement for the user, in particular when the user is required to lean forward or to the sides.
  • Another object is to provide a harness which can be easily adjusted by the user, and preferably which can be adjusted in use without having to remove it.
  • Another aim is to provide such a harness which can be used for carrying a power tool supplied with energy by the electric battery.
  • the invention relates more precisely to a carrying harness as defined by claim 1.
  • the battery mounting plate allows an electric battery to be attached to the harness and easily removed from the harness. It is thus possible to remove the electric battery from the harness to recharge it, but also to easily and quickly replace a discharged battery with a charged battery to continue working.
  • the lumbar support appendage has several functions.
  • a main function is to transfer a significant part of the load from the harness and the battery to the lower back and the hips, so as to relieve the shoulders and the spine of the wearer, especially when carrying heavy batteries.
  • the lumbar support appendage can, for this purpose, be provided with a frame and / or a support pad on the lower back.
  • the harness and more precisely the lumbar support appendage, may be provided with a belt, which is preferably adjustable.
  • the belt constitutes a simple and effective means of immobilizing the lumbar support appendix to the user's waist. It also allows adjustment to different waist sizes.
  • the rigid spacer connects the battery mounting plate to the lumbar support appendage while keeping these parts away from each other.
  • the rigid spacer may have one or more branches.
  • the spacer is considered to be "rigid" when it does not undergo visible deformation under the simple effect of the weight of the battery capable of being worn on the harness.
  • the rigid spacer also helps relieve the user's spine.
  • the sliding nature of the battery fixing plate relative to the rigid spacer makes it possible to adjust the distance between the lumbar support appendage and the battery fixing plate. In the same way, it makes it possible to adjust a distance between the lumbar support appendage and an electric battery attached to the plate. Adjusting this distance makes it possible to optimize a battery carrying height.
  • the carrying height can be considered in relation to the belt, or in relation to the user's hips, for example.
  • the lock makes it possible to immobilize the battery fixing plate on the rigid spacer and thus to fix the height of the battery. It is preferably a single lock, with several immobilization positions, indexed or not. At a minimum, the lock makes it possible to fix a single immobilization position of the battery fixing plate, for example a distal position. In this case the proximal position would not be locked.
  • the latch can be configured to secure the proximal position, the distal position and optionally one or more predetermined intermediate positions. The latch may also be provided to secure any position of a stepless adjustment between the proximal and distal position.
  • the lock can very simply comprise a bolt, integral with the battery fixing plate, and able to engage on reliefs or in openings. provided along the rigid spacer.
  • the lock may also include a thumbwheel with a locking pad which rests on a slide of the rigid spacer.
  • the lock can be provided with an actuating lever making it possible to release the lock.
  • the actuation lever preferably extends in an accessible area when the harness is worn, that is to say when the user has the harness on his back. Thanks to this feature, it is possible to adjust the carrying height of the battery without removing the harness from the wearer.
  • the actuation lever can extend into an area accessible by a user wearing the harness.
  • the actuating lever can extend laterally towards the side of the wearer so as to be accessible to the wearer.
  • the lever is considered to be accessible when the wearer can reach the lever with their hand, without removing the harness from their back.
  • the battery mounting plate can be fitted with carrying straps, so as to transfer part of the load to the shoulders.
  • the shoulder straps can be mounted on the battery mounting plate.
  • the carrying harness of the invention comprises a support for carrying straps, the support for carrying straps being mounted to pivot on the battery fixing plate according to a pivot axis substantially perpendicular to the battery fixing plate.
  • the sling support is pivoted without significantly modifying the position of the battery mounting plate relative to the user's back and makes it possible to maintain a balanced distribution of the loads on the two shoulders of the user, in particular when leans on his side. Therefore, tilting the user's body to the right or to the left does not significantly cause the battery to move to the right or to the left and therefore avoids accentuating the user's imbalance in these conditions.
  • the carrying straps may have respectively a first end integral with the support for carrying straps and a second end connected to the lumbar support appendage. This allows the shoulder straps to adapt to the position of the battery mounting plate on the rigid spacer.
  • the latter comprises a junction strap, interconnecting the carrying straps, the junction strap being further connected to the lumbar support appendage.
  • the junction strap thus makes it possible to connect the second ends of the carrying straps to one another but also to connect them to the lumbar support appendage.
  • the junction strap is preferably adjustable in length, for example by means of tightening loops at the ends of the carrying straps.
  • the harness may also include at least a first strap loop, integral with the lumbar support appendage.
  • the junction strap passes through the first strap loop with freedom to slide.
  • This embodiment is particularly advantageous in combination with the swivel suspender holder. Indeed, the movement of the end of the shoulder straps connected to the pivoting shoulder strap support is thus accompanied by a sliding movement of the junction strap which connects their opposite ends. This arrangement makes it possible to accompany the movement of the shoulders of the wearer of the harness without exerting differential constraints during such a movement.
  • the first strap loop can preferably be aligned with the spacer axis for reasons of symmetry. It can also be offset laterally with respect to this axis, in particular in the case of lateral carrying of a tool in addition to the dorsal carrying of the battery.
  • the belt of the lumbar support appendage may include two belt arms extending on either side of the spacer axis.
  • the harness may include a second strap loop and a third strap loop respectively connected to each belt arm.
  • the junction strap then also passes through the second and third strap loop with freedom of sliding.
  • the second and third strap loops allow the junction strap to slide while limiting the friction of the junction strap against the sides of the wearer. This improves both the sliding of the junction strap and the comfort of use of the harness.
  • the second strap loop and the third strap loop can be connected to the belt respectively via an adjustable strap. This then offers the possibility of adjusting the position of the strap loops to improve the ease of movement of the wearer and to facilitate putting on the harness.
  • the junction strap can pass successively through the second, the first and the third strap loop.
  • the carrying harness may include straps for adjusting a carrying angle.
  • the carry angle is measured between the rigid spacer, or the battery mounting plate, and the user's back when the harness is worn.
  • the carrying angle in fact tends to increase as a function of the lever arm exerted by the battery on the rigid spacer, and therefore all the more so when the battery is in the high position.
  • the adjustment straps respectively connect the carrying straps, and more precisely an intermediate section of these straps, to the battery fixing plate, being fixed to the straps at a distance from their first end.
  • the adjustment straps and in particular their end opposite the shoulder straps, can in particular be fixed to the support for carrying straps when the harness is provided with them.
  • the support for carrying straps may include at least a first attachment for the first ends of the straps, the first attachment extending in a first plane, and second attachments for the adjustment straps, the second bindings extending in a second plane, located at the rear of the first plane, relative to the carrying straps.
  • This particular arrangement makes it possible to improve the adjustment of the carrying angle, in particular for a battery carried in a high position.
  • fastening designates here a loop, a buckle, a fastener, a pivot, or any other suitable fastening means for straps or suspenders.
  • the latter may also include a crutch configured to place the harness on the ground in a position in which the spacer axis of the rigid spacer is substantially vertical. This position makes it possible in particular to avoid contact between the battery and the ground when the user removes the harness.
  • the invention also relates to an electric power supply device for a power tool, comprising a harness as described above and an accumulator battery. At least one of the battery fixing plate and of the accumulator battery is provided with a fixing member respectively conjugated to the other of the battery and of the battery fixing plate.
  • the fastening member allows the removable fastening of the battery on the harness.
  • the figure 1 is a flat view of the harness on its rear side.
  • the term "front” side is understood to mean a side of the harness facing a wearer when the harness is worn.
  • rear side is meant a side of the harness opposite to the front side and facing away from a wearer when the harness is worn.
  • top and bottom are understood in relation to the orientation of the harness on a wearer, the shoulder straps of the harness passing over the shoulders and the belt surrounding the waist of the wearer.
  • the harness 1 comprises a battery fixing plate 10.
  • the battery fixing plate is provided with a support for carrying straps 12, generally U-shaped.
  • the shoulder strap support is mounted in its middle on a front side of the harness.
  • the plate 10. It is articulated on the plate 10 around a pivot 14 substantially perpendicular to a plane of the plate and to the plane of the figure 1 .
  • the suspender support can thus pivot in a plane substantially parallel to the plane of the plate.
  • the support for carrying straps 12 carries two straps 16a, 16b.
  • the shoulder straps are fixed to the shoulder strap support on either side of the pivot 14.
  • the support for carrying straps has for this purpose first fasteners 18a, 18b receiving the first ends 20a, 20b of the straps 16a, 16b.
  • the support for carrying straps 12 also comprises second fasteners 22a, 22b which can cooperate in the carrying situation with the ends 28a, 28b of the adjustment straps 26a, 26b shown free in flat view.
  • the second fasteners are at the free ends of the shoulder strap holder and are offset rearwardly with respect to the first fasteners 18a, 18b to improve the effectiveness of the adjustment straps.
  • the adjustment straps 26a, 26b are also fixed to the straps 16a, 16b at a point located at a distance from the first end 20a, 20b of the straps.
  • the adjustment straps are each provided with a tightening loop allowing their length to be adjusted. They thus make it possible to modify the distance between the second attachments of the support for the suspenders and the point of attachment of the adjustment straps on the suspenders. As a result, the battery mounting plate is more or less pressed against the back of the wearer by modifying the carrying angle.
  • the carrying angle is considered between the battery fixing plate 10 and the wearer's back. It can also be considered between a rigid spacer 40, discussed below, and the wearer's back.
  • the harness of the figure 1 is further provided with a lumbar support appendage 30.
  • the lumbar support appendage comprises a frame 32 and a comfort pad 34 connected to the frame.
  • the comfort pad 34 rests on the lower back and is extended by the branches 36a, 36b of a belt 36.
  • the branches 36a, 36b are adjustable in length.
  • the belt 36 goes around the waist of the wearer of the harness and allows the comfort pad 34 to rest on the hips of the wearer.
  • the belt 36 may also include fasteners 38 for attaching tools or accessories to the belt, for example electric tools powered by an electric battery carried on the harness.
  • the lumbar support appendage 30 is connected to the battery mounting plate 10 by the rigid spacer 40, already mentioned in relation to the bearing angle.
  • the rigid spacer 40 extends vertically when the harness is worn, and along a spacer axis 41, contained in a plane of symmetry of the harness. It also extends substantially parallel to the spine of a wearer when the harness is worn.
  • the position of the lumbar support appendage 30 and of the rigid spacer 40 is kept fixed relative to the wearer's back, in particular by the belt 36.
  • the rigid spacer 40 is embedded here in the frame 32 of the lumbar support appendage 30. In the example of figure 1 the rigid spacer 40 is formed by a metal rail.
  • the battery mounting plate 10 is made of plastic.
  • the battery mounting plate forms a sheath in which the rigid spacer extends.
  • the sleeve is fitted to the rigid spacer so as to allow the battery fixing plate to slide parallel to the spacer axis 41, and from top to bottom.
  • the sliding can take place between a proximal position, close to the lumbar support appendix, and a distal position, distant from the lumbar support appendix.
  • these positions are also referred to as "low position” and "high position”.
  • the battery mounting plate of the harness of the figure 1 can be immobilized on the rigid spacer in different indexed positions: the low position, the high position and several intermediate positions. It is for this purpose provided with a lock 42.
  • the figures 5A and 5B show the lock 42 on a larger scale on the front side of the harness.
  • the latch 42 comprises a bolt 44 loaded by a spring which is not visible in the figures.
  • the bolt 44 has at its end a stud capable of engaging in indexing holes 46 of the rigid spacer 40.
  • the bolt is pivotally mounted on the battery mounting plate. It is extended by an actuating lever 48, opposite the stud.
  • the actuation lever 48 extends to one side of the user's back when the harness is worn. It allows, without removing the harness, to rotate the bolt and remove the pin from an indexing hole against a spring return force, so as to release the lock and allow adjustment in height of the battery fixing plate relative to the rigid spacer, and thus relative to the lumbar support appendage.
  • the actuating lever can also be maneuvered to cause or assist locking by inserting the pin into one of the indexing holes 46.
  • the figure 5A shows a locking of the battery mounting plate in the high position while the figure 5B shows a locking of the battery mounting plate in the down position.
  • the high and low positions are also visible respectively on the figure 1 (high position) and the figure 3 (low position).
  • junction strap 50 comprising two free ends 50a, 50b capable of being connected respectively to the tightening loops 52a, 52b of the second ends 21a, 21b of the straps 16a, 16b.
  • the free ends 50a, 50b of the junction strap 50 are shown separated from the tightening loops 52a, 52b due to the flat representation of the harness.
  • the junction strap passes through a first loop 54 formed in the lumbar support appendage 30, in the vicinity of the spacer axis 41.
  • the junction strap 50 has a sliding freedom relative to the first loop 54.
  • This freedom of sliding makes it possible to move part of the junction strap 50 in the direction of one or the other of the straps, to adapt the lengths of strap between the second ends 21a, 21b of the straps 16a, 16b and the lumbar support appendage 30.
  • This makes it possible to accompany a pivoting of the support for suspenders 12, caused by an inclination of the user to one side, or an asymmetrical lifting of the shoulders of the user. It follows a better distribution of the straps' forces and above all less discomfort on the shoulders of the user, when the latter moves.
  • a second loop 54a and a third loop 54b are provided, at a distance from the first loop 54 and from the spacer pin 41, for the passage of the junction strap 50.
  • the loops 54a and 54b are here connected to the belt 36 of the lumbar support appendage 30.
  • the junction strap 50 can also slide in these loops.
  • the loops could also be connected to the belt 36 by means of adjustable straps. Adjusting the length of the buckle straps would then make it possible to modify the direction of the return forces on the straps 16a, 16b and to modify the frictional resistance that the loops 54, 54a, 54b oppose to the sliding of the junction strap 50 .
  • the references 60a, 60b denote pectoral straps provided on the straps 16a, 16b. They have an adjustable chest buckle 62a, 62b to connect the chest straps 60a, 60b when the harness is worn.
  • the chest straps 60a, 60b make it possible to adjust a distance between the shoulder straps 16a and 16b when the harness is worn.
  • a retractable crutch 70 is provided for placing the harness on the ground while maintaining the spacer axis 41 substantially vertical. Such a position is desirable for the installation on the battery mounting plate of a battery 80 of electric accumulators, visible on the figures 2 and 4 .
  • the battery 80 is fixed on the battery fixing plate 10 by means of fixing members 82, 84 integral with the fixing plate and conjugate fixing members of the battery, not visible in the figures.
  • the fasteners 82, 84 are, in the example of embodiments of the figure 1 rails forming hooks.
  • the figures 2 and 4 show that, depending on the height adjustment of the battery mounting plate, the battery 80 can be worn near the lumbar support appendage 30 and the belt, or higher towards the shoulders of the wearer.

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  • Portable Outdoor Equipment (AREA)
  • Battery Mounting, Suspending (AREA)

Description

Domaine techniqueTechnical area

La présente Invention concerne un harnais de portage pour batterie électrique et un dispositif d'alimentation électrique comprenant le harnais et une batterie électrique.
On entend par batterie électrique une batterie d'accumulateurs électriques destinée notamment à l'alimentation d'outils à moteur électrique.The present invention relates to a carrying harness for an electric battery and an electric power supply device comprising the harness and an electric battery.
An electric battery is understood to mean an electric accumulator battery intended in particular for supplying power to tools with an electric motor.

L'invention trouve des applications dans le domaine de l'outillage électroportatif autonome, et en particulier pour l'alimentation d'outils électriques de forte puissance tels que des taille-haies, des sécateurs, des souffleurs, des tronçonneuses, des débroussailleuses ainsi que des outils de labour pour des applications dans le domaine agricole ou de l'entretien des espaces verts. L'invention peut aussi trouver des applications pour un outillage électroportatif dans le domaine du bâtiment et des travaux publics.The invention finds applications in the field of autonomous power tools, and in particular for supplying high-power electric tools such as hedge trimmers, secateurs, blowers, chainsaws, brush cutters as well as plowing tools for applications in agriculture or the maintenance of green spaces. The invention can also find applications for portable power tools in the building and public works field.

Etat de la technique antérieureState of the prior art

Des avancées importantes dans la capacité de stockage des batteries électriques permettent d'envisager l'utilisation de moteurs électriques pour des outils portatifs traditionnellement mus par un moteur thermique, en raison de la forte puissance de travail requise.Important advances in the storage capacity of electric batteries make it possible to consider the use of electric motors for portable tools traditionally driven by a heat engine, due to the high working power required.

Ainsi des outils électriques de plus en plus puissants sont désormais alimentés par une batterie électrique.Thus increasingly powerful electric tools are now powered by an electric battery.

Pour nombre d'outils électroportatifs, la batterie peut être logée directement dans le corps de l'outil, tout en préservant une ergonomie d'utilisation satisfaisante. Cependant, pour les outils les plus puissants, et aussi pour les outils pour lesquels on souhaite disposer d'une grande autonomie, tels que des outils professionnels, le poids des batteries reste peu compatible avec leur portage directement dans le corps de l'outil.
Pour ces batteries, dont le poids peut excéder aisément 5 kilogrammes, un portage au dos est envisagé. Dans ce cas, un cordon électrique de faible longueur relie la batterie électrique portée au dos, à l'outil, généralement tenu à la main.For many power tools, the battery can be housed directly in the body of the tool, while maintaining satisfactory ergonomics of use. However, for the most powerful tools, and also for the tools for which one wishes to have a great autonomy, such as professional tools, the weight of the batteries is hardly compatible with their carrying directly in the body of the tool.
For these batteries, the weight of which can easily exceed 5 kilograms, carrying on the back is considered. In this case, an electric cord of short length connects the electric battery carried on the back, to the tool, generally held in the hand.

Le portage au dos des batteries électriques est facilité par l'utilisation de harnais de portage. De tels harnais permettent en effet de porter une batterie relativement lourde et pendant une durée relativement longue tout en limitant la fatigue du porteur.
Les harnais de portage comportent généralement des bretelles de portage et une ceinture de portage de manière à répartir les efforts de charge à la fois sur les épaules et sur les hanches de l'utilisateur. Les harnais peuvent également servir au portage d'un outil avec sa propre batterie électrique.Carrying on the back of electric batteries is facilitated by the use of carrying harnesses. Such harnesses in fact make it possible to carry a relatively heavy battery and for a relatively long period while limiting the wearer's fatigue.
Carrying harnesses generally include carrying straps and a carrying belt so as to distribute the load forces both on the shoulders and on the hips of the user. Harnesses can also be used to carry a tool with its own electric battery.

L'usage d'un harnais de portage occasionne généralement une certaine entrave à la liberté de mouvement du porteur, et en particulier du haut de son corps, et de ses épaules. Aussi, pour limiter cet inconvénient, qui n'est pas propre au portage de batteries électriques, certains harnais sont équipés d'articulations ou de mécanismes de maintien des bretelles favorisant le mouvement des épaules lors du portage.
Enfin, les harnais de portage peuvent être pourvus de nombreux réglages permettant d'ajuster la position de la charge portée à la taille et à la corpulence du porteur.The use of a carrying harness generally causes a certain restriction on the wearer's freedom of movement, and in particular of the upper body and of his shoulders. Also, to limit this drawback, which is not specific to carrying electric batteries, certain harnesses are equipped with joints or shoulder straps holding mechanisms promoting movement of the shoulders when carrying.
Finally, the carrying harnesses can be provided with numerous adjustments making it possible to adjust the position of the load carried to the size and build of the wearer.

Les documents ci-après, bien que n'étant pas spécifiques au portage de batteries électriques, illustrent différents harnais de portage et différents réglages offerts par ces harnais pour améliorer le confort et la liberté de mouvement du porteur.
WO 2008/147256 , WO00/41589 , WO2014/140519
US 8 991 671
US 7 946 460
US 5 449 102 .
Les documents EP2810579 , WO00/41589 et WO2014/140519 montrent en particulier des équipements de port de charge avec une armature dorsale réglable.The documents below, although not specific to the carrying of electric batteries, illustrate various carrying harnesses and various adjustments offered by these harnesses to improve the comfort and freedom of movement of the wearer.
WO 2008/147256 , WO00 / 41589 , WO2014 / 140519
US 8,991,671
US 7,946,460
US 5,449,102 .
The documents EP2810579 , WO00 / 41589 and WO2014 / 140519 show in particular load carrying equipment with an adjustable back frame.

Exposé de l'inventionDisclosure of the invention

Outre les difficultés mentionnées en relation avec l'exposé de l'état de la technique, l'invention procède du constat que le confort de portage d'une batterie électrique ne dépend pas seulement de l'adéquation du harnais avec la morphologie du porteur.
S'il est important d'offrir une certaine liberté de mouvement au porteur du harnais et d'adapter le harnais à sa taille et sa morphologie, la prise en compte de ces paramètres s'avère insuffisante pour garantir le confort d'une utilisation prolongée. Ceci est le cas notamment pour un harnais destiné au portage d'une batterie électrique et éventuellement d'un outil électrique associé pendant une journée de travail. En effet, le confort de portage du harnais sur une durée longue demande aussi de considérer le type de posture particulier du porteur du harnais lorsqu'il utilise un équipement électroportatif donné.In addition to the difficulties mentioned in relation to the description of the state of the art, the invention proceeds from the observation that the comfort of carrying an electric battery does not depend only on the suitability of the harness with the morphology of the wearer.
While it is important to offer a certain freedom of movement to the wearer of the harness and to adapt the harness to their size and morphology, taking these parameters into account is insufficient to guarantee the comfort of prolonged use. . This is the case in particular for a harness intended for carrying an electric battery and possibly an associated electric tool during a working day. Indeed, the wearing comfort of the harness over a long period of time also requires consideration of the particular type of posture of the wearer of the harness when using a given power equipment.

A titre d'illustration, un utilisateur de sécateur électrique peut occuper de manière prédominante une posture redressée, par exemple, en cas de taille arboricole ou de taille en hauteur. A l'inverse, l'utilisateur peut occuper une posture courbée vers le bas dans le cas d'une taille viticole basse.By way of illustration, a user of electric pruning shears can predominantly occupy an upright posture, for example, in the case of arboreal pruning or height pruning. Conversely, the user can occupy a posture curved down in the case of a low vineyard height.

Aussi, pour chaque outil, et même pour chaque utilisation spécifique d'un outil, une position particulière différente de la batterie d'alimentation peut être souhaitable. Un port de batterie dans une position basse sur le dos, peut être recherché pour soulager les épaules et faciliter le mouvement d'un utilisateur penché vers l'avant. Inversement un port de batterie plus haut, plus près des épaules, peut améliorer l'équilibre d'un utilisateur qui tient un outil à bout de bras.Also, for each tool, and even for each specific use of a tool, a different particular position of the power supply battery may be desirable. A battery carry in a low back position may be sought to relieve the shoulders and facilitate movement of a forward leaning user. Conversely, carrying the battery higher, closer to the shoulders, can improve the balance of a user holding a tool at arm's length.

Or une même batterie, et un même harnais de portage de batterie sont susceptibles d'être utilisés pour différents outils, ou pour différents usages d'un même outil au cours d'une journée.However, the same battery, and the same battery carrying harness can be used for different tools, or for different uses of the same tool during a day.

Ainsi, et partant de ces constats, la présente invention a pour but de proposer un harnais de portage de batterie, et plus généralement un dispositif d'alimentation électrique, susceptibles d'être adaptés facilement et rapidement à différents outils, à différents utilisateurs et à différentes postures de travail.Thus, and starting from these observations, the object of the present invention is to provide a battery carrying harness, and more generally a power supply device. electric, which can be easily and quickly adapted to different tools, different users and different working postures.

Un but est encore de proposer un harnais offrant une grande liberté de mouvement de l'utilisateur, notamment lorsque l'utilisateur est amené à se pencher vers l'avant ou sur les côtés.Another object is to provide a harness offering great freedom of movement for the user, in particular when the user is required to lean forward or to the sides.

Un but est encore de proposer un harnais pouvant être réglé facilement par l'utilisateur, et de préférence pouvant être réglé en utilisation sans avoir à le retirer.Another object is to provide a harness which can be easily adjusted by the user, and preferably which can be adjusted in use without having to remove it.

Un but est encore de proposer un tel harnais pouvant être utilisé pour le portage d'un outil électroportatif alimenté en énergie par la batterie électrique.Another aim is to provide such a harness which can be used for carrying a power tool supplied with energy by the electric battery.

Pour atteindre ces buts, l'invention concerne plus précisément un harnais de portage tel que défini par la revendication 1.To achieve these aims, the invention relates more precisely to a carrying harness as defined by claim 1.

La platine de fixation de batterie permet de fixer une batterie électrique au harnais et de la retirer du harnais de manière aisée. Il est ainsi possible de retirer la batterie électrique du harnais pour la recharger, mais aussi de remplacer facilement et rapidement une batterie déchargée par une batterie chargée pour continuer le travail.The battery mounting plate allows an electric battery to be attached to the harness and easily removed from the harness. It is thus possible to remove the electric battery from the harness to recharge it, but also to easily and quickly replace a discharged battery with a charged battery to continue working.

L'appendice d'appui lombaire a plusieurs fonctions. Une fonction principale est de transférer une partie importante de la charge du harnais et de la batterie vers le bas du dos et les hanches, de manière à soulager les épaules et la colonne vertébrale du porteur, notamment lors d'un portage de batteries lourdes. L'appendice d'appui lombaire peut, à cet effet être pourvu d'une armature et ou d'un coussinet d'appui sur le bas du dos.The lumbar support appendage has several functions. A main function is to transfer a significant part of the load from the harness and the battery to the lower back and the hips, so as to relieve the shoulders and the spine of the wearer, especially when carrying heavy batteries. The lumbar support appendage can, for this purpose, be provided with a frame and / or a support pad on the lower back.

Une autre fonction est de fournir un point d'appui fixe et bas de la charge pour libérer au maximum le mouvement des bras et des épaules.
A cet effet, le harnais, et plus précisément l'appendice d'appui lombaire, peuvent être pourvus d'une ceinture, de préférence réglable. La ceinture constitue un moyen simple et efficace d'immobilisation de l'appendice d'appui lombaire à la taille de l'utilisateur. Elle permet aussi un ajustage à différents tours de taille.Another function is to provide a fixed, low fulcrum for the load to allow maximum movement of the arms and shoulders.
For this purpose, the harness, and more precisely the lumbar support appendage, may be provided with a belt, which is preferably adjustable. The belt constitutes a simple and effective means of immobilizing the lumbar support appendix to the user's waist. It also allows adjustment to different waist sizes.

L'entretoise rigide relie la platine de fixation de batterie à l'appendice d'appui lombaire tout en maintenant ces parties à distance l'une de l'autre. L'entretoise rigide peut comporter une ou plusieurs branches.The rigid spacer connects the battery mounting plate to the lumbar support appendage while keeping these parts away from each other. The rigid spacer may have one or more branches.

On considère que l'entretoise est "rigide" lorsqu'elle ne subit pas de déformation visible sous le simple effet du poids de la batterie susceptible d'être portée sur le harnais.The spacer is considered to be "rigid" when it does not undergo visible deformation under the simple effect of the weight of the battery capable of being worn on the harness.

L'entretoise rigide permet aussi de soulager la colonne vertébrale de l'utilisateur.The rigid spacer also helps relieve the user's spine.

Le caractère coulissant de la platine de fixation de batterie par rapport à l'entretoise rigide permet d'ajuster la distance entre l'appendice d'appui lombaire et la platine de fixation de batterie. Il permet de la même façon d'ajuster une distance entre l'appendice d'appui lombaire et une batterie électrique fixée à la platine. Le réglage de cette distance permet d'optimiser une hauteur de portage de la batterie. La hauteur de portage peut être considérée par rapport à la ceinture, ou par rapport aux hanches de l'utilisateur, par exemple.The sliding nature of the battery fixing plate relative to the rigid spacer makes it possible to adjust the distance between the lumbar support appendage and the battery fixing plate. In the same way, it makes it possible to adjust a distance between the lumbar support appendage and an electric battery attached to the plate. Adjusting this distance makes it possible to optimize a battery carrying height. The carrying height can be considered in relation to the belt, or in relation to the user's hips, for example.

Le verrou permet d'immobiliser la platine de fixation de batterie sur l'entretoise rigide et de fixer ainsi la hauteur de la batterie. Il s'agit de préférence d'un verrou unique, avec plusieurs positions d'immobilisation, indexées ou non. Au minimum le verrou permet de fixer une seule position d'immobilisation de la platine de fixation de batterie, par exemple une position distale. Dans ce cas la position proximale ne serait pas verrouillée.
De préférence cependant, le verrou peut être configuré pour fixer la position proximale, la position distale et éventuellement une ou plusieurs positions intermédiaires prédéterminées. Le verrou peut aussi être prévu pour fixer une position quelconque d'un réglage continu entre la position proximale et distale.
Le verrou peut comporter de manière très simple un pêne, solidaire de la platine de fixation de batterie, et pouvant s'engager sur des reliefs ou dans des ajourages ménagés le long de l'entretoise rigide. Le verrou peut aussi comporter une molette avec un patin de blocage venant s'appuyer sur une glissière de l'entretoise rigide.The lock makes it possible to immobilize the battery fixing plate on the rigid spacer and thus to fix the height of the battery. It is preferably a single lock, with several immobilization positions, indexed or not. At a minimum, the lock makes it possible to fix a single immobilization position of the battery fixing plate, for example a distal position. In this case the proximal position would not be locked.
Preferably however, the latch can be configured to secure the proximal position, the distal position and optionally one or more predetermined intermediate positions. The latch may also be provided to secure any position of a stepless adjustment between the proximal and distal position.
The lock can very simply comprise a bolt, integral with the battery fixing plate, and able to engage on reliefs or in openings. provided along the rigid spacer. The lock may also include a thumbwheel with a locking pad which rests on a slide of the rigid spacer.

Selon une particularité de réalisation du harnais, le verrou peut être muni d'un levier d'actionnement permettant de libérer le verrou. Le levier d'actionnement s'étend de préférence dans une zone accessible lorsque le harnais est porté, c'est-à-dire lorsque l'utilisateur a le harnais sur son dos. Grâce à cette particularité il est possible de régler la hauteur de portage de la batterie sans retirer le harnais du porteur.According to a particular embodiment of the harness, the lock can be provided with an actuating lever making it possible to release the lock. The actuation lever preferably extends in an accessible area when the harness is worn, that is to say when the user has the harness on his back. Thanks to this feature, it is possible to adjust the carrying height of the battery without removing the harness from the wearer.

Selon une autre particularité de réalisation du harnais, le levier d'actionnement peut s'étendre dans une zone accessible par un utilisateur portant le harnais.
A titre d'exemple, le levier d'actionnement peut s'étendre latéralement vers le flanc du porteur de manière à être accessible au porteur. On considère que le levier est accessible lorsque le porteur peut atteindre le levier avec sa main, sans retirer le harnais de son dos.According to another particularity of embodiment of the harness, the actuation lever can extend into an area accessible by a user wearing the harness.
By way of example, the actuating lever can extend laterally towards the side of the wearer so as to be accessible to the wearer. The lever is considered to be accessible when the wearer can reach the lever with their hand, without removing the harness from their back.

Ceci permet à l'utilisateur de régler, lui-même, la hauteur de portage de la batterie sans retirer le harnais. Ainsi, l'utilisateur peut aisément actionner le verrou pour modifier la hauteur de portage et l'adapter ainsi au besoin à sa posture et à l'outil utilisé.This allows the user to adjust the carrying height of the battery themselves without removing the harness. Thus, the user can easily actuate the lock to modify the carrying height and thus adapt it as needed to his posture and to the tool used.

La platine de fixation de batterie peut être pourvue de bretelles de portage, de manière à reporter une partie de la charge sur les épaules.
Les bretelles peuvent être montées sur la platine de fixation de batterie.The battery mounting plate can be fitted with carrying straps, so as to transfer part of the load to the shoulders.
The shoulder straps can be mounted on the battery mounting plate.

Le harnais de portage de l'invention comporte un support pour bretelles de portage, le support pour bretelles de portage étant monté pivotant sur la platine de fixation de batterie selon un axe de pivotement sensiblement perpendiculaire à la platine de fixation de batterie. Le pivotement du support pour bretelle se fait sans modifier sensiblement la position de la platine de fixation de batterie par rapport au dos de l'utilisateur et permet de conserver une répartition équilibrée des charges sur les deux épaules de l'utilisateur, notamment lorsqu'il se penche sur son côté. De ce fait, une inclinaison du corps de l'utilisateur vers la droite ou vers la gauche n'entraine pas de façon significative un mouvement de la batterie vers la droite ou vers la gauche et donc évite d'accentuer le déséquilibre de l'utilisateur dans ces conditions.The carrying harness of the invention comprises a support for carrying straps, the support for carrying straps being mounted to pivot on the battery fixing plate according to a pivot axis substantially perpendicular to the battery fixing plate. The sling support is pivoted without significantly modifying the position of the battery mounting plate relative to the user's back and makes it possible to maintain a balanced distribution of the loads on the two shoulders of the user, in particular when leans on his side. Therefore, tilting the user's body to the right or to the left does not significantly cause the battery to move to the right or to the left and therefore avoids accentuating the user's imbalance in these conditions.

Selon une autre particularité de réalisation du harnais, les bretelles de portage peuvent présenter respectivement une première extrémité solidaire du support pour bretelles de portage et une deuxième extrémité reliée à l'appendice d'appui lombaire. Ceci permet aux bretelles de s'adapter à la position de la platine de fixation de batterie sur l'entretoise rigide.According to another particularity of embodiment of the harness, the carrying straps may have respectively a first end integral with the support for carrying straps and a second end connected to the lumbar support appendage. This allows the shoulder straps to adapt to the position of the battery mounting plate on the rigid spacer.

Il est toutefois possible de relier la deuxième extrémité des bretelles en un autre point de l'entretoise rigide, de l'appendice d'appui lombaire ou de la ceinture de l'appendice d'appui lombaire.It is however possible to connect the second end of the shoulder straps to another point of the rigid spacer, the lumbar support appendage or the belt of the lumbar support appendix.

Selon une autre particularité de réalisation du harnais, celui-ci comporte une sangle de jonction, reliant entre elles les bretelles de portage, la sangle de jonction étant en outre reliée à l'appendice d'appui lombaire. La sangle de jonction permet ainsi de relier les deuxièmes extrémités des bretelles de portage l'une à l'autre mais aussi de les relier à l'appendice d'appui lombaire. La sangle de jonction est de préférence réglable en longueur, par exemple par l'intermédiaire de boucles de serrage au niveau des extrémités des bretelles de portage.According to another particular embodiment of the harness, the latter comprises a junction strap, interconnecting the carrying straps, the junction strap being further connected to the lumbar support appendage. The junction strap thus makes it possible to connect the second ends of the carrying straps to one another but also to connect them to the lumbar support appendage. The junction strap is preferably adjustable in length, for example by means of tightening loops at the ends of the carrying straps.

Le harnais peut encore comporter au moins un premier passant de sangle, solidaire de l'appendice d'appui lombaire. Dans ce cas, la sangle de jonction passe dans le premier passant de sangle avec une liberté de coulissement. Ce mode de réalisation est particulièrement avantageux en combinaison avec le support pour bretelles pivotant. En effet le mouvement de l'extrémité des bretelles reliées au support de bretelles pivotant s'accompagne ainsi d'un mouvement de coulissement de la sangle de jonction qui relie leurs extrémités opposés. Cet agencement permet d'accompagner le mouvement des épaules du porteur du harnais sans exercer de contraintes différentielles lors d'un tel mouvement.The harness may also include at least a first strap loop, integral with the lumbar support appendage. In this case, the junction strap passes through the first strap loop with freedom to slide. This embodiment is particularly advantageous in combination with the swivel suspender holder. Indeed, the movement of the end of the shoulder straps connected to the pivoting shoulder strap support is thus accompanied by a sliding movement of the junction strap which connects their opposite ends. This arrangement makes it possible to accompany the movement of the shoulders of the wearer of the harness without exerting differential constraints during such a movement.

Le premier passant de sangle peut, de préférence, être aligné avec l'axe d'entretoise pour des raisons de symétrie. Il peut aussi être décalé latéralement par rapport à cet axe notamment en cas de portage latéral d'un outil en plus du portage dorsal de la batterie.The first strap loop can preferably be aligned with the spacer axis for reasons of symmetry. It can also be offset laterally with respect to this axis, in particular in the case of lateral carrying of a tool in addition to the dorsal carrying of the battery.

Selon un perfectionnement du harnais, la ceinture de l'appendice d'appui lombaire peut comporter deux bras de ceinture s'étendant de part et d'autre de l'axe d'entretoise. Dans ce cas, le harnais peut comporter un deuxième passant de sangle et un troisième passant de sangle reliés respectivement à chaque bras de ceinture. La sangle de jonction passe alors aussi dans le deuxième et le troisième passant de sangle avec une liberté de coulissement.
Les deuxième et troisième passants de sangle permettent à la sangle de jonction de coulisser tout en limitant les frottements de la sangle de jonction contre les flancs du porteur. Ceci permet d'améliorer à la fois le coulissement de la sangle de jonction et le confort d'utilisation du harnais.According to an improvement of the harness, the belt of the lumbar support appendage may include two belt arms extending on either side of the spacer axis. In this case, the harness may include a second strap loop and a third strap loop respectively connected to each belt arm. The junction strap then also passes through the second and third strap loop with freedom of sliding.
The second and third strap loops allow the junction strap to slide while limiting the friction of the junction strap against the sides of the wearer. This improves both the sliding of the junction strap and the comfort of use of the harness.

Le deuxième passant de sangle et le troisième passant de sangle peuvent être reliées à la ceinture respectivement par l'intermédiaire d'une bride ajustable. Celle-ci offre alors une possibilité de régler la position des passants de sangle pour améliorer l'aisance de mouvement du porteur et pour faciliter l'enfilement du harnais.
De préférence, la sangle de jonction peut passer successivement dans le le deuxième, le premier et le troisième passant de sangle.The second strap loop and the third strap loop can be connected to the belt respectively via an adjustable strap. This then offers the possibility of adjusting the position of the strap loops to improve the ease of movement of the wearer and to facilitate putting on the harness.
Preferably, the junction strap can pass successively through the second, the first and the third strap loop.

Selon un autre perfectionnement, le harnais de portage peut comporter des sangles d'ajustage d'un angle de portage. L'angle de portage est mesuré entre l'entretoise rigide, ou la platine de fixation de batterie, et le dos de l'utilisateur lorsque le harnais est porté. L'angle de portage a en effet tendance à augmenter en fonction du bras de levier exercé par la batterie sur l'entretoise rigide, et donc d'autant plus que la batterie est en position haute. Les sangles d'ajustage relient respectivement les bretelles de portage, et plus précisément un tronçon intermédiaire de ces bretelles, à la platine de fixation de batterie, en étant fixées aux bretelles à distance de leur première extrémité.According to another improvement, the carrying harness may include straps for adjusting a carrying angle. The carry angle is measured between the rigid spacer, or the battery mounting plate, and the user's back when the harness is worn. The carrying angle in fact tends to increase as a function of the lever arm exerted by the battery on the rigid spacer, and therefore all the more so when the battery is in the high position. The adjustment straps respectively connect the carrying straps, and more precisely an intermediate section of these straps, to the battery fixing plate, being fixed to the straps at a distance from their first end.

Les sangles d'ajustage, et en particulier leur extrémité opposée aux bretelles, peuvent notamment être fixées au support pour bretelles de portage lorsque le harnais en est pourvu.The adjustment straps, and in particular their end opposite the shoulder straps, can in particular be fixed to the support for carrying straps when the harness is provided with them.

Selon une particularité de réalisation du harnais, le support pour bretelles de portage peut comporter au moins une première fixation pour les premières extrémités des bretelles, la première fixation s'étendant selon un premier plan, et des deuxièmes fixations pour les sangles d'ajustage, les deuxièmes fixations s'étendant selon un deuxième plan, situé à l'arrière du premier plan, par rapport aux bretelles de portage. Cette disposition particulière permet d'améliorer l'ajustage de l'angle de portage notamment pour une batterie portée dans une position haute. Le terme "fixation" désigne ici un passant, une boucle, une attache, un pivot, ou tout autre moyen de fixation approprié pour des sangles ou des bretelles.According to a particular embodiment of the harness, the support for carrying straps may include at least a first attachment for the first ends of the straps, the first attachment extending in a first plane, and second attachments for the adjustment straps, the second bindings extending in a second plane, located at the rear of the first plane, relative to the carrying straps. This particular arrangement makes it possible to improve the adjustment of the carrying angle, in particular for a battery carried in a high position. The term “fastening” designates here a loop, a buckle, a fastener, a pivot, or any other suitable fastening means for straps or suspenders.

Selon une autre particularité de réalisation du harnais, celui-ci peut encore comporter une béquille configurée pour poser le harnais au sol dans une position dans laquelle l'axe d'entretoise de l'entretoise rigide est sensiblement vertical. Cette position permet notamment d'éviter un contact entre la batterie et le sol lorsque l'utilisateur retire le harnais.According to another particularity of embodiment of the harness, the latter may also include a crutch configured to place the harness on the ground in a position in which the spacer axis of the rigid spacer is substantially vertical. This position makes it possible in particular to avoid contact between the battery and the ground when the user removes the harness.

L'invention concerne encore un dispositif d'alimentation électrique pour outil éiectroportatif, comprenant un harnais tel que décrit ci-dessus et une batterie d'accumulateurs. Au moins l'une de la platine de fixation de batterie et de la batterie d'accumulateurs est pourvue d'un organe de fixation conjugué respectivement à l'autre de la batterie et de la platine de fixation de batterie.
L'organe de fixation permet la fixation amovible de la batterie sur le harnais.The invention also relates to an electric power supply device for a power tool, comprising a harness as described above and an accumulator battery. At least one of the battery fixing plate and of the accumulator battery is provided with a fixing member respectively conjugated to the other of the battery and of the battery fixing plate.
The fastening member allows the removable fastening of the battery on the harness.

D'autres caractéristiques et avantages de l'invention ressortent de la description qui suit, en référence aux figures des dessins. Cette description est donnée à titre d'illustratif et non limitatif.Other characteristics and advantages of the invention emerge from the description which follows, with reference to the figures of the drawings. This description is given by way of illustration and without limitation.

Brève description des figuresBrief description of the figures

  • La figure 1 est une vue arrière à plat d'un harnais conforme à l'invention dans une position haute.The figure 1 is a rear flat view of a harness according to the invention in a high position.
  • La figure 2 est une vue arrière à plat du harnais de la figure 1 équipé d'une batterie.The figure 2 is a flat rear view of the harness of the figure 1 equipped with a battery.
  • La figure 3 est une vue arrière à plat du harnais de la figure 1 dans une position basse.The figure 3 is a flat rear view of the harness of the figure 1 in a low position.
  • La figure 4 est une vue arrière à plat du harnais de la figure 3, équipé d'une batterie.The figure 4 is a flat rear view of the harness of the figure 3 , equipped with a battery.
  • La figure 5A est une vue avant d'un détail du harnais de la figure 1, dans la position haute.The figure 5A is a front view of a detail of the harness of the figure 1 , in the high position.
  • La figure 5B est une vue avant d'un détail du harnais de la figure 1, dans la position basse.The figure 5B is a front view of a detail of the harness of the figure 1 , in the low position.
Description détaillée de modes de mise en œuvre de l'inventionDetailed description of embodiments of the invention

Dans la description qui suit des parties identiques, similaires ou équivalentes des différentes figures sont repérées avec les mêmes signes de référence de manière à pouvoir se reporter d'une figure à l'autre.In the following description, identical, similar or equivalent parts of the different figures are marked with the same reference signs so that it is possible to refer from one figure to another.

Les figures en vue à plat d'un tel harnais permettent de mieux visualiser les parties du harnais mais nécessitent de dissocier certaines liaisons entre des parties du harnais qui sont normalement reliées lorsque le harnais est porté.The flat view figures of such a harness make it possible to better visualize the parts of the harness but require certain connections to be dissociated between parts of the harness which are normally connected when the harness is worn.

La figure 1 est une vue à plat du harnais sur son côté arrière.
On entend par côté "avant" un côté du harnais tournée vers un porteur lorsque le harnais est porté.
On entend par côté "arrière" un côté du harnais opposé au côté avant et tourné à l'opposé d'un porteur lorsque le harnais est porté.
Aussi, dans la suite de la description les termes haut et bas s'entendent par rapport à l'orientation du harnais sur un porteur, les bretelles du harnais passant sur les épaules et la ceinture entourant la taille du porteur.The figure 1 is a flat view of the harness on its rear side.
The term "front" side is understood to mean a side of the harness facing a wearer when the harness is worn.
By "rear" side is meant a side of the harness opposite to the front side and facing away from a wearer when the harness is worn.
Also, in the remainder of the description, the terms top and bottom are understood in relation to the orientation of the harness on a wearer, the shoulder straps of the harness passing over the shoulders and the belt surrounding the waist of the wearer.

Le harnais 1 comprend une platine de fixation de batterie 10. La platine de fixation de batterie est pourvue d'un support pour bretelles de portage 12, de forme générale en U. Le support pour bretelles est monté en son milieu sur un côté avant de la platine 10. Il est articulé sur la platine 10 autour d'un pivot 14 sensiblement perpendiculaire à un plan de la platine et au plan de la figure 1. Le support pour bretelles peut ainsi pivoter dans un plan sensiblement parallèle au plan de la platine.
Le support pour bretelles de portage 12 porte deux bretelles 16a, 16b. Les bretelles sont fixées sur le support de bretelles de part et d'autre du pivot 14. Le support pour bretelles de portage présente à cet effet des premières fixations 18a, 18b recevant des premières extrémités 20a, 20b des bretelles 16a, 16b. Sur la figure 1, des deuxièmes extrémités 21a, 21b des bretelles 16a, 16b, opposées aux premières extrémités 20a, 20b sont représentées libres en vue à plat.
Le support pour bretelles de portage 12 comprend encore des deuxièmes fixations 22a, 22b pouvant coopérer en situation de portage avec les extrémités 28a, 28b des sangles d'ajustage 26a, 26b représentées libres en vue à plat. Les deuxièmes fixations se trouvent aux extrémités libres du support pour bretelles de portage et sont décalées vers l'arrière par rapport aux premières fixations 18a, 18b pour améliorer l'efficacité des sangles d'ajustage.
Les sangles d'ajustage 26a, 26b sont fixées par ailleurs aux bretelles 16a, 16b en un point situé à distance de la première extrémité 20a, 20b des bretelles. Les sangles d'ajustage sont pourvues chacune d'une boucle de serrage permettant d'ajuster leur longueur. Elles permettent ainsi de modifier la distance entre les deuxièmes fixations du support pour bretelles et le point de fixation des sangles d'ajustage sur les bretelles. Il en résulte que la platine de fixation pour batterie est plus ou moins plaquée sur le dos du porteur en modifiant l'angle de portage. L'angle de portage est considéré entre la platine 10 de fixation de batterie et le dos du porteur. Il peut aussi être considéré entre une entretoise rigide 40, évoquée plus loin, et le dos du porteur.The harness 1 comprises a battery fixing plate 10. The battery fixing plate is provided with a support for carrying straps 12, generally U-shaped. The shoulder strap support is mounted in its middle on a front side of the harness. the plate 10. It is articulated on the plate 10 around a pivot 14 substantially perpendicular to a plane of the plate and to the plane of the figure 1 . The suspender support can thus pivot in a plane substantially parallel to the plane of the plate.
The support for carrying straps 12 carries two straps 16a, 16b. The shoulder straps are fixed to the shoulder strap support on either side of the pivot 14. The support for carrying straps has for this purpose first fasteners 18a, 18b receiving the first ends 20a, 20b of the straps 16a, 16b. On the figure 1 , the second ends 21a, 21b of the straps 16a, 16b, opposite the first ends 20a, 20b are shown free in flat view.
The support for carrying straps 12 also comprises second fasteners 22a, 22b which can cooperate in the carrying situation with the ends 28a, 28b of the adjustment straps 26a, 26b shown free in flat view. The second fasteners are at the free ends of the shoulder strap holder and are offset rearwardly with respect to the first fasteners 18a, 18b to improve the effectiveness of the adjustment straps.
The adjustment straps 26a, 26b are also fixed to the straps 16a, 16b at a point located at a distance from the first end 20a, 20b of the straps. The adjustment straps are each provided with a tightening loop allowing their length to be adjusted. They thus make it possible to modify the distance between the second attachments of the support for the suspenders and the point of attachment of the adjustment straps on the suspenders. As a result, the battery mounting plate is more or less pressed against the back of the wearer by modifying the carrying angle. The carrying angle is considered between the battery fixing plate 10 and the wearer's back. It can also be considered between a rigid spacer 40, discussed below, and the wearer's back.

Le harnais de la figure 1 est encore pourvu d'un appendice d'appui lombaire 30. L'appendice d'appui lombaire comprend une armature 32 et un coussinet de confort 34 relié à l'armature. Le coussinet de confort 34 s'appuie sur le bas du dos et se prolonge par les branches 36a, 36b d'une ceinture 36. Les branches 36a, 36b sont réglables en longueur. La ceinture 36 fait le tour de la taille du porteur du harnais et permet au coussinet de confort 34 de prendre appui sur les hanches du porteur. La ceinture 36 peut également comporter des attaches 38 pour la fixation d'outils ou d'accessoires à la ceinture, par exemple des outils électriques alimentés par une batterie électrique portée sur le harnais.The harness of the figure 1 is further provided with a lumbar support appendage 30. The lumbar support appendage comprises a frame 32 and a comfort pad 34 connected to the frame. The comfort pad 34 rests on the lower back and is extended by the branches 36a, 36b of a belt 36. The branches 36a, 36b are adjustable in length. The belt 36 goes around the waist of the wearer of the harness and allows the comfort pad 34 to rest on the hips of the wearer. The belt 36 may also include fasteners 38 for attaching tools or accessories to the belt, for example electric tools powered by an electric battery carried on the harness.

L'appendice d'appui lombaire 30 est relié à la platine de fixation de batterie 10 par l'entretoise rigide 40, déjà évoquée en relation avec l'angle de portage. L'entretoise rigide 40 s'étend de manière verticale lors du portage du harnais, et selon un axe d'entretoise 41, contenu dans un plan de symétrie du harnais. Elle s'étend également de manière sensiblement parallèle à la colonne vertébrale d'un porteur lorsque le harnais est porté. La position de l'appendice d'appui lombaire 30 et de l'entretoise rigide 40 est maintenue fixe par rapport au dos du porteur, notamment par la ceinture 36. L'entretoise rigide 40 est encastrée ici dans l'armature 32 de l'appendice d'appui lombaire 30.
Dans l'exemple de la figure 1 l'entretoise rigide 40 est formée par un rail métallique. La platine de fixation de batterie 10 est réalisée en matière plastique.The lumbar support appendage 30 is connected to the battery mounting plate 10 by the rigid spacer 40, already mentioned in relation to the bearing angle. The rigid spacer 40 extends vertically when the harness is worn, and along a spacer axis 41, contained in a plane of symmetry of the harness. It also extends substantially parallel to the spine of a wearer when the harness is worn. The position of the lumbar support appendage 30 and of the rigid spacer 40 is kept fixed relative to the wearer's back, in particular by the belt 36. The rigid spacer 40 is embedded here in the frame 32 of the lumbar support appendage 30.
In the example of figure 1 the rigid spacer 40 is formed by a metal rail. The battery mounting plate 10 is made of plastic.

On peut noter que la platine de fixation de batterie forme un fourreau dans lequel s'étend l'entretoise rigide. Le fourreau est ajusté sur l'entretoise rigide de manière à autoriser un coulissement de la platine de fixation de batterie parallèlement à l'axe d'entretoise 41, et de haut en bas. Le coulissement peut avoir lieu entre une position proximale, proche de l'appendice d'appui lombaire, et une position distale, distante de l'appendice d'appui lombaire. Par simplification ces positions sont encore désignées par "position basse" et "position haute".It can be noted that the battery mounting plate forms a sheath in which the rigid spacer extends. The sleeve is fitted to the rigid spacer so as to allow the battery fixing plate to slide parallel to the spacer axis 41, and from top to bottom. The sliding can take place between a proximal position, close to the lumbar support appendix, and a distal position, distant from the lumbar support appendix. For simplicity, these positions are also referred to as "low position" and "high position".

La platine de fixation de batterie du harnais de la figure 1 peut être immobilisée sur l'entretoise rigide en différentes positions indexées : la position basse, la position haute et plusieurs positions intermédiaires. Elle est à cet effet pourvue d'un verrou 42.The battery mounting plate of the harness of the figure 1 can be immobilized on the rigid spacer in different indexed positions: the low position, the high position and several intermediate positions. It is for this purpose provided with a lock 42.

Les figures 5A et 5B montrent le verrou 42 à plus grande échelle sur le côté avant du harnais. Le verrou 42 comprend un pêne 44 chargé par un ressort qui n'est pas visible sur les figures. Le pêne 44 présente en son extrémité un téton susceptible de venir en prise dans des trous d'indexation 46 de l'entretoise rigide 40.The figures 5A and 5B show the lock 42 on a larger scale on the front side of the harness. The latch 42 comprises a bolt 44 loaded by a spring which is not visible in the figures. The bolt 44 has at its end a stud capable of engaging in indexing holes 46 of the rigid spacer 40.

Le pêne est monté pivotant sur la platine de fixation de batterie. Il se prolonge par un levier d'actionnement 48, à l'opposé du téton. Le levier d'actionnement 48 s'étend sur un côté du dos de l'utilisateur lorsque le harnais est porté. Il permet, sans déposer le harnais, de faire pivoter le pêne et de retirer le téton d'un trou d'indexation à l'encontre d'une force de rappel du ressort, de manière à libérer le verrou et de permettre un réglage en hauteur de la platine de fixation de batterie par rapport à l'entretoise rigide, et ainsi par rapport à l'appendice d'appui lombaire. Le levier d'actionnement peut aussi être manœuvré pour provoquer ou assister le verrouillage par l'insertion du téton dans l'un des trous d'indexation 46.The bolt is pivotally mounted on the battery mounting plate. It is extended by an actuating lever 48, opposite the stud. The actuation lever 48 extends to one side of the user's back when the harness is worn. It allows, without removing the harness, to rotate the bolt and remove the pin from an indexing hole against a spring return force, so as to release the lock and allow adjustment in height of the battery fixing plate relative to the rigid spacer, and thus relative to the lumbar support appendage. The actuating lever can also be maneuvered to cause or assist locking by inserting the pin into one of the indexing holes 46.

La figure 5A montre un verrouillage de la platine de fixation de batterie en position haute tandis que la figure 5B montre un verrouillage de la platine de fixation de batterie en position basse.
Les positions haute et basse sont également visibles respectivement sur la figure 1 (position haute) et la figure 3 (position basse).The figure 5A shows a locking of the battery mounting plate in the high position while the figure 5B shows a locking of the battery mounting plate in the down position.
The high and low positions are also visible respectively on the figure 1 (high position) and the figure 3 (low position).

Par retour à la figure 1, on peut noter la présence d'une sangle de jonction 50, comportant deux extrémités libres 50a, 50b susceptibles d'être reliées respectivement aux boucles de serrage 52a, 52b des deuxièmes extrémités 21a, 21b des bretelles 16a, 16b. Les extrémités libres 50a, 50b de la sangle de jonction 50 sont représentés séparés des boucles de serrage 52a, 52b en raison de la représentation à plat du harnais.
La sangle de jonction traverse un premier passant 54 ménagé dans l'appendice d'appui lombaire 30, au voisinage de l'axe d'entretoise 41. La sangle de jonction 50 présente par rapport au premier passant 54 une liberté de coulissement. Cette liberté de coulissement permet de déplacer une partie de la sangle de jonction 50 en direction de l'une ou de l'autre des bretelles, pour adapter les longueurs de sangle entre les deuxièmes extrémités 21a, 21b des bretelles 16a, 16b et l'appendice d'appui lombaire 30. Ceci permet d'accompagner un pivotement du support pour bretelles 12, occasionné par une inclinaison de l'utilisateur vers un côté, ou un soulèvement dissymétrique des épaules de l'utilisateur. Il s'ensuit une meilleure répartition des efforts des bretelles et surtout une moindre gêne sur les épaules de l'utilisateur, à l'occasion des mouvements de ce dernier.By return to the figure 1 , one can note the presence of a junction strap 50, comprising two free ends 50a, 50b capable of being connected respectively to the tightening loops 52a, 52b of the second ends 21a, 21b of the straps 16a, 16b. The free ends 50a, 50b of the junction strap 50 are shown separated from the tightening loops 52a, 52b due to the flat representation of the harness.
The junction strap passes through a first loop 54 formed in the lumbar support appendage 30, in the vicinity of the spacer axis 41. The junction strap 50 has a sliding freedom relative to the first loop 54. This freedom of sliding makes it possible to move part of the junction strap 50 in the direction of one or the other of the straps, to adapt the lengths of strap between the second ends 21a, 21b of the straps 16a, 16b and the lumbar support appendage 30. This makes it possible to accompany a pivoting of the support for suspenders 12, caused by an inclination of the user to one side, or an asymmetrical lifting of the shoulders of the user. It follows a better distribution of the straps' forces and above all less discomfort on the shoulders of the user, when the latter moves.

De manière à éviter un frottement de la sangle sur les flancs d'un porteur du harnais, un deuxième passant 54a, et un troisième passant 54b sont prévus, à distance du premier passant 54 et de l'axe d'entretoise 41, pour le passage de la sangle de jonction 50. Les passants 54a et 54b sont ici reliés à la ceinture 36 de l'appendice d'appui lombaire 30. La sangle de jonction 50 peut également coulisser dans ces passants.
Les passants pourraient aussi être reliés à la ceinture 36 par l'intermédiaire de brides ajustables. L'ajustage de la longueur des sangles de boucle permettrait alors de modifier la direction des forces de rappel sur les bretelles 16a, 16b et de modifier la résistance de frottement que les passants 54, 54a, 54b opposent au coulissement de la sangle de jonction 50.So as to prevent the strap from rubbing against the sides of a harness wearer, a second loop 54a and a third loop 54b are provided, at a distance from the first loop 54 and from the spacer pin 41, for the passage of the junction strap 50. The loops 54a and 54b are here connected to the belt 36 of the lumbar support appendage 30. The junction strap 50 can also slide in these loops.
The loops could also be connected to the belt 36 by means of adjustable straps. Adjusting the length of the buckle straps would then make it possible to modify the direction of the return forces on the straps 16a, 16b and to modify the frictional resistance that the loops 54, 54a, 54b oppose to the sliding of the junction strap 50 .

Les références 60a, 60b désignent des sangles pectorales prévues sur les bretelles 16a, 16b. Elles comportent une boucle pectorale 62a, 62b ajustable pour relier les sangles pectorales 60a, 60b lorsque le harnais est porté. Les sangles pectorales 60a, 60b permettent d'ajuster une distance entre les bretelles 16a et 16b lorsque le harnais est porté.The references 60a, 60b denote pectoral straps provided on the straps 16a, 16b. They have an adjustable chest buckle 62a, 62b to connect the chest straps 60a, 60b when the harness is worn. The chest straps 60a, 60b make it possible to adjust a distance between the shoulder straps 16a and 16b when the harness is worn.

Une béquille escamotable 70 est prévue pour poser le harnais au sol tout en maintenant l'axe d'entretoise 41 sensiblement vertical. Une telle position est souhaitable pour la mise en place sur la platine de fixation de batterie d'une batterie 80 d'accumulateurs électriques, visible sur les figures 2 et 4.
La batterie 80 est fixée sur la platine de fixation de batterie 10 par l'intermédiaire d'organes de fixation 82, 84 solidaires de la platine de fixation et d'organes de fixation conjugués de la batterie, non visibles sur les figures. Les organes de fixation 82, 84 sont, dans l'exemple de réalisations de la figure 1 des rails formant crochets.A retractable crutch 70 is provided for placing the harness on the ground while maintaining the spacer axis 41 substantially vertical. Such a position is desirable for the installation on the battery mounting plate of a battery 80 of electric accumulators, visible on the figures 2 and 4 .
The battery 80 is fixed on the battery fixing plate 10 by means of fixing members 82, 84 integral with the fixing plate and conjugate fixing members of the battery, not visible in the figures. The fasteners 82, 84 are, in the example of embodiments of the figure 1 rails forming hooks.

Les figures 2 et 4 montrent que, selon le réglage en hauteur de la platine de fixation de batterie, la batterie 80 peut être portée au voisinage de l'appendice d'appui lombaire 30 et de la ceinture, ou plus haut vers les épaules du porteur.The figures 2 and 4 show that, depending on the height adjustment of the battery mounting plate, the battery 80 can be worn near the lumbar support appendage 30 and the belt, or higher towards the shoulders of the wearer.

Claims (11)

  1. A harness (1) for carrying on the back at least one electric battery for a portable electric tool comprising
    - a battery fixing plate (10),
    - a support (12) for carrying shoulder straps,
    - carrying shoulder straps (16a, 16b) respectively having a first end (20a, 20b) fixed with respect to the support for the shoulder strap,
    - a lumbar support accessory (30),
    - at least one rigid strut (40) fixed with respect to the lumbar support accessory and connecting the lumbar support accessory to the battery fixing plate,
    in which the battery fixing plate forms a sheath receiving the rigid strut (40), the sheath being adjusted on the rigid strut so as to permit a sliding movement on the strut parallel to a strut axis (41) between a distal position remote from the lumbar support accessory and a proximal position moved towards the lumbar support accessory, the fixing plate comprising a lock (42) for immobilising the battery fixing plate (10) on the rigid strut (40), the lock having at least one immobilisation position among the proximal position, the distal position and at least one intermediate position between the proximal position and the distal position,
    characterised by:
    - a second end (21a, 21b) of the carrying shoulder straps that is connected to the lumbar support accessory,
    - the support (12) for carrying shoulder straps that is mounted pivotably on the battery fixing plate (10) on a pivot axis substantially perpendicular to the battery fixing plate,
    - a junction strap (50) interconnecting the carrying shoulder straps (16a, 16b), the junction strap (50) also being connected to the lumbar support accessory, and
    - at least one first strap loop (54) fixed with respect to the lumbar support accessory, the junction strap (50) passing through the first strap loop with a freedom for sliding movement.
  2. A harness according to claim 1 wherein the lock is provided with an actuating lever (48).
  3. A harness according to claim 1 wherein the first strap loop (54) is aligned with the strut axis (41).
  4. A harness according to any one of the preceding claims comprising a belt (36) connected to the lumbar support accessory.
  5. A harness according to claim 4 wherein the belt (36) comprises two belt arms (36a, 36b) extending on respective sides of the strut axis (41), the harness comprising a second strap loop (54a) and a third strap loop (54b) respectively connected to each belt arm, and wherein the junction strap (50) passes through the second and third strap loops with a freedom for sliding movement.
  6. A harness according to claim 5 wherein the second strap loop (54a) and the third strap loop (54b) are respectively connected to the belt by way of an adjustable strap.
  7. A harness according to claim 5 wherein the junction strap successively passes through the second, the first and the third strap loop (54a, 54, 54b).
  8. A harness according to any one of the preceding claims comprising adjustment straps (26a, 26b) for a carrying angle, the carrying angle being measured between the rigid strut (40) and the back of a user when the harness is being carried, the adjusting straps respectively connecting the carrying shoulder straps (16a, 16b) to the battery fixing plate (10), being fixed to the carrying shoulder straps at a distance from their first end (20a, 20b).
  9. A harness according to claim 8 wherein the adjusting straps (26a, 26b) are fixed to the support (12) for the carrying shoulder straps.
  10. A harness according to claim 9 wherein the support for the carrying shoulder straps (12) comprises at least a first fixing (18a, 18b) for first ends (20a, 20b) of the carrying shoulder straps (16a, 16b), the first fixing extending in a first plane, and second fixings (22a, 22b) for the adjusting straps (26a, 26b), the second fixings extending in a second plane disposed to the rear of the first plane with respect to the carrying shoulder straps.
  11. An electrical power device for a portable electric tool comprising a harness (1) according to any one of the preceding claims and a battery (80) of electric accumulators wherein at least one of the battery fixing plate (10) and the battery (80) is provided with a fixing member (82, 84) respectively combined with the other of the battery and the battery fixing plate.
EP17793685.3A 2016-09-13 2017-08-28 Harness for carrying an electric battery and power supply device Active EP3512375B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1658493A FR3055781B1 (en) 2016-09-13 2016-09-13 CARRYING HARNESS FOR ELECTRIC BATTERY AND POWER SUPPLY DEVICE
PCT/FR2017/052293 WO2018050982A1 (en) 2016-09-13 2017-08-28 Harness for carrying an electric battery and power supply device

Publications (2)

Publication Number Publication Date
EP3512375A1 EP3512375A1 (en) 2019-07-24
EP3512375B1 true EP3512375B1 (en) 2020-12-30

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EP (1) EP3512375B1 (en)
CN (1) CN109688870B (en)
ES (1) ES2858175T3 (en)
FR (1) FR3055781B1 (en)
WO (1) WO2018050982A1 (en)

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Publication number Priority date Publication date Assignee Title
EP3622849B1 (en) * 2018-09-17 2022-11-02 Andreas Stihl AG & Co. KG Back-held carrying device, in particular for a battery pack
CN109578787B (en) * 2018-12-03 2024-01-02 格力博(江苏)股份有限公司 Tool carrying device
EP3756505B1 (en) 2019-06-25 2022-05-11 Andreas Stihl AG & Co. KG Carrier apparatus
CN113833966A (en) * 2021-10-27 2021-12-24 武汉联影智融医疗科技有限公司 Support system

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Also Published As

Publication number Publication date
CN109688870B (en) 2021-04-06
WO2018050982A1 (en) 2018-03-22
FR3055781A1 (en) 2018-03-16
CN109688870A (en) 2019-04-26
EP3512375A1 (en) 2019-07-24
ES2858175T3 (en) 2021-09-29
FR3055781B1 (en) 2018-09-07

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