DE102014012402B4 - One-armed carrying device - Google Patents

Abstract

A one-armed carrying device for a load to be carried on the front of the body, which is supported by means of a horizontally shaped structure on the inclined portion of the upper back muscles below the 7th cervical vertebra and is also designed such that by curvatures of the device, the force on the top of the shoulders on a Minimum is reduced and thus the shoulders are relieved of the weight forces, as seen from above, a curvature direction is responsible for circumventing the neck, while the other direction of curvature seen from the side over the shoulder.

Description

The invention relates to the field of carrying devices for musical instruments and other loads, which are usually worn with a belt that is supported by their shape in a way on the body that carrying loads or playing musical instruments easier and carefree for a long time possible is.

Many musical instruments are held by a strap around the neck. ( 2 ). By pulling the instrument weight and by the deflection of the belt over the chest, the belt moves a piece upwards. The result is a force component that pulls the neck of the player forward. The neck and neck muscles must work against this force to counteract the train. Another effect of the conventional belt is that it pulls together around the neck due to the lack of dimensional stability. It must therefore be taken on both sides of the neck additional, opposing forces that contribute to carrying the instrument nothing. The classic strap, which is placed around the neck, loads such as instruments or cameras to wear, so has several disadvantages: The weight pulls on the neck, the sensitive neck muscles is loaded, the neck is restricted, the freedom of movement is hampered. This is perceived as unpleasant and fatigues the muscles.

Especially with musical instruments, it is important not to restrict the freedom of movement of the musician. In addition, the circulation of the neck muscles and the head is so obstructed during prolonged play with conventional belt that numbness z. B. can arise in the arms.

It has been found that, when the force is not absorbed by the neck, but by the upper back muscles, it is much easier to carry the load for a long time. According to anatomical definition, the spine changes from the cervical spine into the thoracic spine from the 7th cervical vertebra. When the forces are introduced below the cervical spine, ie below the seventh vertebra, the neck muscles are no longer involved in the compensation of external forces introduced.

In the case of loads to be borne on the front of the body, additional force components arise in addition to the weight force acting vertically downwards. A forward force component arises because the weight to be carried is not vertically below the neck or shoulders but by the body shape of the wearer, the shape of the load to be carried or the musician's hands from this theoretical vertical position pushed away to the front. ( 1 ) Due to the oblique force vector, the force to be applied by the belt and the wearer is always greater than the weight of the instrument alone. The further the weight to be carried away from the body axis, the stronger this effect has.

Larger instruments such. Bassoons, tenor, baritone or bass saxophones are carried laterally in front of the body. This results in addition to an obliquely directed sideways force component. This creates a tendency to greater load on the opposite side of the load. ( 5 ) The further away from the center of the body the weight to be carried is held, the more asymmetrical the weight distribution will be. At the belt / carrier then the resultant ( 15 ) from the weight down, the force component to the front and a horizontal force component to the side. The lateral effective direction of the resultant is at the adjusting angle β ( 11 ) of the belt recognizable.

In wind instruments, the mouthpiece is another important contact point to the musician's body. With good balance the mouthpiece kinematic acts like a ball joint, so that only small forces are absorbed and this contact point in the consideration of forces plays virtually no role.

In order to reduce these problems, various devices have been developed in recent years, especially for musicians with the aim to reduce the perceived burden of the instrument weight - especially on the neck - and initiate other body parts. Also, the unpleasant contraction of the belt around the neck should be avoided. In the vast majority of cases, these devices have the goal of eliminating the neck area and distributing the weight evenly over the shoulders, or introducing it into the hip area / waistline. However, many larger musical instruments such as bassoons or saxophones are not held in the middle of the body in most cases, but more or less laterally. This means that symmetrical constructions, which have the goal of distributing loads on both shoulders, entail construction-related disadvantages in an oblique / asymmetrical pulling direction, because the direction of pull of the weight force becomes increasingly laterally aligned. The more the weight to be carried is held laterally, the more asymmetrical the weight distribution will be. Solutions that aim to evenly distribute the load on both shoulders are disadvantageous because the less loaded side is increasingly ineffective.

The so-called "Harnais" or "Harness" saxophone belt

In the case of the "Harnais saxophone belt", the load of the instrument is distributed on the shoulders similar to a backpack by means of parallel or crossed belts to achieve the desired neck freedom. Nevertheless, these belts are only conditionally used. Reasons are that the constriction of the upper body and the complex application of the rather complicated belt system are often perceived as unpleasant. Although the shoulders are more suitable for absorbing the loads than the neck, there is also a limitation of the musculoskeletal system, in particular of the arms and shoulders. Instruments worn diagonally in front of the body distort the belt system and lead to unilateral loading. In addition, the height adjustment is difficult, since a height adjustment is automatically accompanied by a narrowing of the entire belt system. This allows smaller instruments such. B. Altsaxophone rarely bring to the required height of play.

The so-called "Yoke Brace Belt" of BG

Harnesses are attached to the back waistband to prevent the shoulder pad from slipping up. The weights are distributed to the shoulders and upper back. However, the instrument weight is ultimately held by the pants, which is pulled up. In addition, the kinematic conditions cause that almost twice the weight of the instrument must be borne by the shoulders. The pulling up of the pants through the belt is often perceived as unpleasant.

The so-called "FreeNeck", Ergonomic Systems, WO 002000041589 A2

The "FreeNeck" follows the example of a backpack with a hip belt and introduces the weight forces into this hip belt via two vertical metal tubes resting against the back. From an anatomical point of view, this is a good solution, as both the neck and the top of the shoulders are relieved of weight forces. However, there are decisive disadvantages here: The wearing and wearing of the "FreeNeck" and the entire handling is impractical. Due to the long and rigid back, the freedom of movement of the upper body is severely limited. For diagonal tensile forces with predominantly laterally carried loads, the construction does not have a sufficient abutment, it tilts away laterally. In addition, the external appearance is often perceived as unattractive and conspicuous. In addition, the items of the "FreeNeck" are bulky.

The so-called "Saxholder" of the company Jazzlab

In the "Saxholder" the load is distributed symmetrically with two support arms on both shoulders. A long arm supports the device in the abdominal area. Although the shoulders are more suitable for absorbing the loads than the neck, here too the free mobility of the arms and shoulders is limited by the weight. In addition, the mobility of the upper body is severely limited by the long, stiff boom. Also, the support on the soft, movable abdominal wall is distracting and not very stable. Diagonally occurring tensile forces due to laterally held instruments are insufficiently supported by design and the second arm of the "Saxholder" is in this case largely ineffective.

Out DE 4441288 A1 is a carrying strap with pelvic support known to wear an instrument and so relieve the neck muscles. The device is supported on a flap guard, which is not designed for receiving such forces. Ultimately, the instrument is also worn by straps that run over the shoulders. The "handling" of the instrument is unfavorable, the flexibility of the musician is severely limited.

The utility model DE 29709699 U1 tries to solve another problem, namely the generation of pressure on the cervical vertebrae by the padding of the instrument belt is spared in the area of the spine. However, this is merely an improvement of the known belt. The fundamental problem of constriction of the neck and the high slide of the cushion on the neck is not solved.

From the US 1,793,823 A is known a harmonica holder which also uses a strap, which is guided around the back around the neck. Although this looks at first glance similar to the device presented here, but differs very clearly from the male forces: The task here is a completely different: The balance of power are stored so that the holder is not in the neck, but in front on the Breast supports. Behind the head, this results in a force that is directed upward. The holder must therefore be supported from below at the back of the head.

From the US 2009/0188373 A1 is a device known which is mainly used to instruments from the field of striking machines in marching or standing to use. The device has areas that distribute the carrying power to the shoulders and back, which also eliminates the player's neck. This upper part of the device is combined with a support in the abdominal and hip area. Because the hands and arms the carrier in drums and the vast majority of other percussion works are not involved in the work and these instruments themselves usually do not have proper body conditions this large-scale support makes sense.

Out US2008 / 0217368A1 For example, a one-armed device is known which makes it possible to carry loads without the help of the arms and hands on the front of the body. The vertical portion of the forces to be supported can only be supported on the top of the shoulders (as if balancing a beam on the shoulders) in this device. In this type of carrying device eliminates a, forward of the body directed away force component which is applied by the hands and could be supported on the oblique part of the upper back. The large-area support on the abdominal wall replaces the counterweight to the load to be borne on the front of the body and prevents the structure from twisting and ensures that the shoulders are applied with force.

The object of the invention is to eliminate or at least reduce the abovementioned problems of conventional carrying devices of the generic type and to provide a carrying device which supports loads primarily on the front of the body - in particular musical instruments such as saxophones, bassoons, guitars, accordions Also cameras, infants, etc. - while at the same time the greatest possible freedom of movement and easy handling to hold or wear.

This object is achieved by a carrying device according to claim 1. Advantageous developments of the invention are specified in the dependent claims.

Other objects, features and advantages of the invention will become apparent from the following description of preferred embodiments, which refers to the drawings; show it:

1 an illustration of the carrying device from the side;

2 a representation of a conventional belt;

3 a non-inventive two-armed embodiment of the carrying device;

4 a non-inventive, two-armed embodiment variant from behind.

5 an advantageous, one-armed design for carrying obliquely held in front of the body loads;

6 a representation of the device in a one-armed design from the front;

7 a one-armed embodiment variant from behind with representation of the horizontal extent of the support;

8th a tube with a flattening in cross section;

9 a tube with clipped, flat support in cross section;

10 a tube with foam-padded in cross section;

11.1 a tube with pressure distribution element;

11.2 a tube with inserted intermediate element for anatomical adaptation;

12 a one-armed design variant with singular back cushion; and

13 Also an illustration of the carrying device with additional support on the chest.

The solution of the invention provides to support the weight force in the oblique region of the upper back below the 7th cervical vertebra in a horizontally pronounced manner. This area offers the anatomical conditions to wear even larger forces fatigue, and sufficient space to support these forces over a large area. The device according to the invention enables the support of the weight forces without generating opposing force components in a physiologically more suitable area than the neck. The device is an at least partially rigid / dimensionally stable structure, which by appropriate shaping, z. B. three-dimensional curvatures running, the weight forces of the load to be carried over the shoulders and around the neck around. ( 5 ). As a result, the shoulders are relieved of the weight forces. Due to the substantially perpendicular to the body surface ( 26 ) introduced forces are reduced to a minimum. ( 1 )

The dimensionally stable structure has several advantages: The weight forces can be distributed over a large area and the area in which the forces are introduced is precisely defined. In addition, the horizontal expansion is used to allow an even larger support surface. The implementation as a dimensionally stable structure also makes it possible to carry out the device in a one-armed manner. ( 6 ). The freedom of movement of the neck is not restricted and the "handling" of a Musical instruments, as well as the possibilities of artistic interpretation are improved.

The dimensionally stable structure is preferably made of a light and stable material, such as aluminum or composite materials (fiberglass or carbon fiber). In order to save weight and to accommodate the carrying member, the structure is preferably as a tube ( 8th . 9 . 10 ). The support structure is adapted to the anatomy so that it is at a close distance ( 6 ) ( 1 . 3 . 6 ) runs around the neck and is bent over the shoulder as seen from the side. ( 5 )

The solution according to the invention has the following constructive features: Curvatures of the device direct the weight forces from the front of the body around the neck and over the shoulders to the back of the body. As seen from above, one direction of curvature is responsible for bypassing the neck while the other direction of curvature is over the shoulder as seen from the side. A resting of the structure on the shoulders is thereby largely avoided. Normally, however, the device will align and position itself on its shoulders due to its own weight or the use of a small portion of the weight of the instrument. By a substantially horizontal proportion ( 10 ) of the structure in the area of the back is ensured that the device can not contract around the neck. ( 7 Moreover, this horizontal component provides the basis for distributing forces over a large area.

In order to realize a pleasant pressure distribution, the structure may additionally be provided over flattened areas ( 19 ), additional, two-dimensional editions ( 14 ) or areas can be foamed ( 13 ) become. In order to avoid unpleasant pressure concentrations and to distribute the load as well as possible, it makes sense to use upholstery. In this case, it makes sense to use gradually softer elements from the hard structure of the dimensionally stable element to the bearing surfaces of the body. In order to allow a free or even defined adaptation of the anatomical support serves as a connection between the rigid structure and the anatomically shaped support ( 22 ), an elastic intermediate layer, an at least partially movable bearing or joint ( 21 ). In addition, it lends itself to realize structures in which anatomical features are taken into account, such. B. the area of the spine auszusparen ( 8th ). The final power transmission takes place through large, soft upholstery.

In order to adapt the carrying device to different anatomies, differently strong intermediate pieces or replaceable padding elements are used at the connection point between the carrier structure and the padding structure. ( 11.1 . 11.2 ). In addition, adjustment possibilities can be realized in the support structure, for example by exchangeable areas or by a lockable joint. A convenient arrangement of the joints and pads allows lateral adjustment and also an asymmetric adjustment.

A height adjustment z. B. on a support member for adjusting the height of play for musical instruments is due to the design very well and with large Verstellbereich feasible because necessary shortening or extensions of the carrying part ( 9 ) ( 1 . 6 ) completely independent of the fit of the carrying device. Since the device is dimensionally stable, the adjustment is not accompanied by a contraction or narrowing, as is the case with straps. The attachment of the carrying part can take place both inside the device and at various favorable points on the outside of the device. ( 13 )

For some loads, the center of gravity is particularly low, z. As large saxophones or bassoons, or if the connection to the support device ( 28 ) is placed high up, the vector of force-resultant ( 15 ) with the direction of the support rope no longer bring to coincide. ( 13 ). Then the carrying device will additionally support on the chest. For this purpose, it is expedient, in this area, a padding for pressure distribution ( 27 ). This anatomical support in the chest area can also have a joint for freer adaptation to the body and be designed in height and laterally adjustable.

For larger musical instruments which are held mainly laterally, it is particularly advantageous to implement the device according to the invention in a one-armed, asymmetric manner. The effective direction of the resultant is at the diagonally adjusting angle β of the carrying part ( 5 ) recognizable. Due to the shape of the device, this diagonal direction of action is taken up and implemented anatomically favorable. Solutions that aim to evenly distribute the load on both shoulders are disadvantageous because the less loaded side is increasingly ineffective. In the case of a rigid, two-armed, symmetrical structure such as the "Saxholder", the less loaded arm will be largely ineffective or even unfavorable stand out. A non-inventive embodiment with two rigid arms each left and right of the neck ( 3 ) is preferable when the load to be carried is carried mainly centrally on the front of the body, such as an accordion.

Another advantage of the carrying device lies in its inconspicuous shape, which is not visually irritated or unpleasant.

LIST OF REFERENCE NUMBERS

1

carrying device

2

musical instrument

3

pipe

4

back pad

5

Intermediate element for anatomical adaptation

6

distance

7

Conventional carrying strap

8th

Cutout of the padding on the spine

9

carrying rope

10

Horizontal share

11

Effective angle β

12

height adjustment option

13

foam

14

Element for pressure distribution

15

resulting force

16

Singular, movable back pad

17

One-armed version of the carrying device

18

locking lug

19

Flattened pipe

20

Flattened page

21

Mobile storage of upholstery structure

22

Flexible, ergonomically shaped element for pressure distribution

23

Effective direction angle α

24

weight force

25

Horizontal force component

26

Tangential plane to the back muscles

27

chest pad

28

Connection to the carrying device

Claims (8)

A one-armed carrying device for a load to be carried on the front of the body, which is supported by means of a horizontally shaped structure on the inclined portion of the upper back muscles below the 7th cervical vertebra and is also designed such that by curvatures of the device, the force on the top of the shoulders on a Minimum is reduced and thus the shoulders are relieved of the weight forces, as seen from above, a curvature direction is responsible for circumventing the neck, while the other direction of curvature seen from the side over the shoulder. Carrying device according to claim 1, characterized in that the device has at least partially dimensionally stable areas. Carrying device according to one of claims 1 to 2, characterized in that the device via at least one pad ( 16 ) for support. Carrying device according to one of claims 1 to 3, characterized in that one or more pads ( 16 ) are movably mounted. Carrying device according to one of claims 1 to 4, characterized in that the device over flattened areas ( 20 ) for even pressure distribution. Carrying device according to one of claims 1 to 5, characterized in that a carrying part ( 9 ) runs inside the device. Carrying device according to one of claims 1 to 6, characterized in that the device has at least one lockable joint to account for different anatomical conditions can. Carrying device according to one of claims 1 to 7, characterized in that the device can be disassembled at least one location.

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