EP4049728A1 - Training device for training a pushing or pulling movement - Google Patents

Abstract

The invention relates to a training device comprising a treadmill with a movable track for walking or running, a guide arrangement arranged essentially parallel to the movable track, a carriage with a handle that is movably mounted on the guide arrangement, and a weight, the carriage being fitted with the weight in such a way is coupled in that it can be displaced against the weight along the guide arrangement in the walking or running direction, thereby simulating a load on the sled, with the force to be exerted by a user on the sled in the walking or running direction for displacement being dependent on the simulated load on the sled depends. The invention further relates to the use of the device.

Description

The invention relates to the field of exercise, physical fitness and physiotherapy equipment and machines and to the more specific technical field of treadmills which can be operated in a walking and/or running mode to simulate pushing or pulling exercises.

Equipment and machines for training, physical fitness and physical therapy are available in different configurations and for different purposes, such as cardio machines or weight machines. Treadmills are also known and typically allow for an exercise routine at a relatively steady and continuous level of physical activity, e.g., by maintaining a constant walking or running speed and a constant incline, or at a variable level of physical activity.

Treadmills have also been proposed that allow the user to simulate a pulling or dragging movement on the treadmill in a space-saving manner. This can be useful for training and developing different muscle groups and for aerobic or anaerobic training. That's how she describes it US2011/281691 For example, an exercise treadmill that allows the user to simulate both a load-push motion, ie, a forward walking motion, and a load-pull motion, ie, a backward walking motion. the US2020/0330818 also describes a system with a treadmill and a weight stack, wherein the weight stack is coupled to a user-puttable harness or a user-graspable handle, the coupling for the user of the treadmill simulates pulling or pushing a weighted sled.

However, the devices mentioned have the disadvantage that the user exerts force against a handle weighed down by the weight/a traction rope held back by the weight, but this handle/rope is always statically fixed at one point relative to the treadmill. As a result, the push/pull movement is only insufficiently simulated. In addition, such running training that is limited to pushing or pulling has little motivating effect on the user.

It is therefore the object of the present invention to overcome the disadvantages of the prior art. In particular, the object of the invention is to provide a training device for practicing a pushing or pulling movement, which better maps the natural movement sequences, is space-saving and motivating for the user.

• ein Laufband mit einer beweglichen Bahn zum Gehen oder Laufen,
• eine zur beweglichen Bahn im Wesentlichen parallel angeordnete Führungsanordnung, insbesondere ein Schienenpaar;
• einen auf der Führungsanordnung verschiebbar gelagerten Schlitten mit einem Griff, vorzugsweise zwei Griffen;
• ein Gewicht, insbesondere einen Gewichtsstapel;

wobei der Schlitten derart mit dem Gewicht gekoppelt ist, dass er gegen das Gewicht entlang der Führungsanordnung in Geh- oder Laufrichtung verschiebbar ist und dadurch eine Belastung des Schlittens simuliert wird, wobei die von einem Benutzer in Geh- oder Laufrichtung auf den Schlitten zum Verschieben auszuübende Kraft von einer simulierten Belastung des Schlittens abhängt.The object is achieved by a training device having the features of claim 1. The object is achieved in particular by having a training device

• a treadmill with a moving track for walking or running,
• a guide arrangement arranged essentially parallel to the movable web, in particular a pair of rails;
• a carriage slidably mounted on the guide arrangement and having a handle, preferably two handles;
• a weight, in particular a stack of weights;

wherein the carriage is coupled to the weight in such a way that it can be displaced against the weight along the guide arrangement in the walking or running direction, thereby simulating a load on the carriage, with the user in walking or running direction on the carriage for displacement force to be exerted depends on a simulated load on the carriage.

The invention is based on the idea that a dynamic pushing or pulling movement differs from simply pushing or pulling on a lever. On the one hand, it may be necessary for the force required for the displacement to be directed in a slightly different direction than when a lever is manipulated artificially. On the other hand, the static friction force is always greater than the force effect caused by sliding friction. In the training device according to the invention, a carriage that can be displaced relative to the treadmill is actually displaced instead of simulating such a displacement only using a pretensioned lever. This imitates the alternation of static and sliding friction that occurs during a "natural" sliding process in space and the associated muscle strain is excellently reproduced. An effect similar to pushing or pulling training on a flat track is achieved, but a space-saving treadmill can still be used. Furthermore, the invention has the advantage that the user is motivated by the visible effect of his training on the sled position.

A "guide arrangement arranged essentially parallel to the movable track" in the context of the invention is understood to mean that the guide arrangement forms an angle of no more than 5 degrees, preferably no more than 2 degrees, with the movable track in a basic state. The guide arrangement, in particular the pair of rails, and the movable track are particularly preferably arranged exactly parallel in a basic state. Of course, the treadmill and/or the guide arrangement can also be adjusted in a variation of the basic state, in particular tilted, so that an increase is simulated for the user. A pair of rails gives the slide to be guided additional stability. It is also preferred for safety reasons if the weights are placed in a front part of the system so that a pushing user can see the weights.

In a preferred embodiment, the simulated load on the carriage is variable as a function of a position of the carriage on the guide arrangement, and in particular increases with progressive displacement in the walking or running direction. Such a variability can be achieved particularly well with a training device as described above. Since the position of the carriage changes along the guide arrangement, additional sliding resistance can be easily implemented, for example by means of friction-intensive rail sections or adjustable resistances on the coupling between carriage and weight. For example, fans or a flywheel with a magnetic resistance are known from stationary bicycles.

The device can be implemented particularly easily if the carriage is coupled to the weight by means of a cable pull via deflection rollers.

The coupling can be direct or indirect. It is preferred if the cable pull establishes the coupling between the weight and the carriage via a transmission element which comprises a roller which is fixedly connected to an eccentric or oval rotating element. A first cable pull section, in particular leading to the carriage, is rigidly attached to the roller, and a second cable pull section, in particular one leading to the weight, is rigidly attached to the eccentric or oval rotary element. This will cause a shift of the carriage acts as a torque on the transmission element and that the load of the weight is transferred to the transmission element.

When the weights are pulled over a round pulley with the hub centered, the resistance is constant. However, if an eccentric or oval rotating element is used, the resistance will vary. In particular, the distance between the pivot point of the deflection sheave and the loaded cable shortens in certain positions of the rotating rotary element, thereby reducing the load. Conversely, the effort required by the user increases when the distance between the pivot point of the rotary member and the loaded cable is increased. For example, the load at the beginning and end of the movement can be less while there is full resistance at a later point in the sliding path. The variable resistance can follow the body's natural strength curve, or provide a motivating build-up towards the end of the push or pull movement.

In one embodiment, the simulated load on the carriage increases, in particular exponentially, in the last third of the progressive displacement in the walking or running direction, so that the user feels a sustained challenge over the duration of the walking or running distance.

In a preferred embodiment, the training device has a braking device that throttles the return of the weight from a raised position to a storage position. For example, the return of the weight from a raised position to a storage position can be throttled via a hydraulic cylinder or a pneumatic cylinder.

It is clear to the person skilled in the art that such a device is suitable both for pushing and for pulling a load. Depending on the user is in walking or running direction behind or in front of the sled.

In a preferred embodiment, the walking or running direction is directed towards the sled, so that the sled is pushed. In this embodiment, the advantage that the user completes a real sliding distance instead of actuating a lever is particularly evident. The user grips the sled directly by the handle and can vary the training again by choosing the gripping height or adjust it particularly easily to his or her physiognomy. It is therefore particularly desirable that the handle extend a height of between about 20 cm and about 160 cm measured from the path of the treadmill or be adjustably positioned between these dimensions. Horizontal and/or vertical handles may be fitted.

Alternatively, the walking or running direction can also be directed away from the sled, so that the sled is pulled. In this embodiment, the device includes a harness or harness that the user can attach to their body to pull the sled. It is particularly preferred if the device can be used for either pushing or pulling training.

In one embodiment, the treadmill is motorized in the training device. This allows the user to specify a specific walking or running speed, to vary and/or monitor the corresponding parameters if necessary, in order to achieve the best possible progress. If the treadmill is motorized, brake actuators may be provided to allow the user to stop the treadmill if necessary.

It is preferred if the weight of the weight stack can be adjusted in the training device, in particular can be adjusted using a pin. This makes it particularly easy for the user to adjust their training load and monitor progress.

The same benefits are obtained when the treadmill of the exercise machine is adjustable so that it has an incline. For example, the running surface can be set to an incline of 1 to about 15 degrees to increase running difficulty. The guide arrangement, or preferably the pair of rails, can also assume the selected angle of inclination, so that the sliding track of the carriage continues to extend essentially parallel to the walking or running track.

• Geschwindigkeit des motorisierten Laufbands,
• Neigungswinkel des Laufbands,
• simulierte Belastung des Schlittens.

In one embodiment, the following properties can be set in the training device as described above alone or in combination by the user or by a computer program during a training session:

• motorized treadmill speed,
• incline angle of the treadmill,
• simulated loading of the sled.

The invention then extends to the use of a training device as described above for operating a fitness studio or therapy center.

The invention will be further understood based on the figures and the following description. It's about the Figures, however, are examples that are not intended to limit the invention.

Figur 1

Perspektivische Draufsicht auf einer Ausführungsform des erfindungsgemässen Trainingsgeräts;

Figur 1A

Schnitt A-A in Figur 1, Detailansicht der Koppelung von Schlitten und Gewichtsstapel über ein Übertragungselement mit exzentrischem Drehelement;

Figur 2

Seitenansicht einer Ausführungsform eines erfindungsgemässen Trainingsgeräts;

Figur 3

Schematische Darstellung der simulierte Belastung des Schlittens in der Ausführungsform gemäss Figur 2 der Erfindung entlang dem Fahrweg des Schlittens.

Show it:

figure 1

Perspective top view of an embodiment of the training device according to the invention;

Figure 1A

cut AA in figure 1 , detailed view of the coupling of carriage and weight stack via a transmission element with an eccentric rotating element;

figure 2

Side view of an embodiment of a training device according to the invention;

figure 3

Schematic representation of the simulated loading of the carriage in the embodiment according to figure 2 of the invention along the path of the carriage.

It shows the figure 1 a training device 1 having a treadmill 2 with a movable endless track 3 for walking or running, a pair of rails 4, 4′ arranged essentially parallel to the movable track 3, a carriage 5 with handles 7, which is movably mounted on the pair of rails 4, 4′, 7′,7″ and a weight stack 6. The carriage 5 is coupled to the weight stack 6 by means of cable pull 8 via deflection rollers 9,9′,9″ in such a way that it moves against the weight of the weight stack 6 along the pair of rails 4,4′ in walking - or the running direction can be moved.

This simulates a load on the slide. The force to be exerted by the user in the walking or running direction on the handle 7,7',7" of the carriage 5 for shifting therefore depends on the simulated load on the carriage. The user can choose to apply the force to the vertical handles 7,7', or exercise the horizontal grips 7".

Figure 1A shows a section along line AA in figure 1 in top view. A preferred variant is shown as to how the simulated loading of the carriage 5 can be designed to be variable depending on a position of the carriage on the rail 4 . Specifically, the cable pull 8 produces the coupling between the weight 6 and the carriage 5 via a transmission element 10 . The transmission element 10 comprises a roller 12 which is fixedly connected to an eccentric, here a "nautilus-shaped" rotating element. By a "nautilus shape" is meant a non-circular but rounded shape, for example a shape resembling (in circumference) the cross-section of a snail shell. Out of Figure 1A It can be seen that a first cable portion 8a leading to the carriage 5 is rigidly attached to the pulley 12 and a second cable portion 8b leading to the weight stack 6 is rigidly attached to the eccentric or oval pivot. Thanks to this arrangement, a displacement of the carriage acts as a torque on the transmission element 10 and at the same time the load of the weight stack 6 is transferred to the transmission element 10 . In a starting position as in the Figure 1A is shown, the cable pull section 8b therefore runs close to the pivot point 11 of the deflection roller 10. As the carriage is progressively pushed in the walking or running direction, the transmission element rotates and the distance between the cable section 8b and the pivot point 11 increases from a certain progress in rotation, thereby reducing the load increases for the user.

In the figure 1 The embodiment shown is suitable for use as a pushing device, since the user is instructed to grip the carriage 5 by the handles 7,7',7" and push it in the walking or running direction. However, the device can easily be converted into a pulling device , by the cable pull 8 at one of the figure 1 attachment point shown opposite side of the carriage. In this case, a harness or harness can be attached to the sled that the user can put on and pull the sled behind them in the opposite direction, i.e. away from the weight stack.

the figure 2 shows a further exemplary embodiment in side view. The carriage 5 is indicated in a starting position by dashed lines. The solid lines show the carriage in its final position at the end of a sliding path with the weight stack 6 raised to the maximum. The reference numbers correspond to those from FIG figure 1 . The embodiment differs from that previously described in the positioning of the transmission element 10. Here the nautilus-shaped rotary element 13 is shown in a state of rotation where the cable pulling section 8b is far from the pivot point of the rotary element 13 and the user is therefore intensifying the training load on the last third the thrust distance has experienced.

figure 3 shows schematically the increase in the simulated load on the carriage along a sliding distance of the carriage 5 on the pair of rails 4 according to FIG figure 2 . The perceived load (L _sens ) remains constant for the user in a first section of the pushing distance, corresponding to the weight 20 set on the weight stack 6. With increasing pushing distance D, however, the felt load L _sens increases and rises exponentially, particularly in the last third 21 of the pushing distance on. This effect is the eccentric rotating element 13 of the transmission element 10 in figure 2 owed.

Claims (14)

Having a training device (1). - A treadmill (2) with a movable track (3) for walking or running; - a guide arrangement arranged essentially parallel to the movable web (3), in particular a pair of rails (4,4'); - a carriage (5) displaceably mounted on the guide arrangement and having a handle, preferably two handles (7,7'); - A weight (6), in particular a weight stack; wherein the carriage (5) is coupled to the weight (6) in such a way that it can be displaced against the weight (6) along the guide arrangement in the walking or running direction, thereby simulating a load on the carriage, with the user walking in walking - Or running direction on the carriage (5) to move the force to be exerted depends on the simulated load on the carriage. Training device (1) according to claim 1, wherein the simulated loading of the carriage (5) is variable depending on a position of the carriage (5) on the guide arrangement. Training device (1) according to Claim 2, in which the simulated load on the carriage (5) increases with progressive displacement in the walking or running direction. Training device (1) according to one of the preceding claims, in which the carriage (5) is coupled to the weight (6) by means of at least one cable pull (8) via deflection pulleys (9, 9', 9"). Training device (1) according to claim 4, wherein the cable pull (8) produces the coupling between the weight (6) and carriage (5) via a transmission element (10) which comprises a roller (12) fixed to an eccentric or oval rotating element (13) is connected,
wherein a first cable section (8a) leading in particular to the carriage (5) is rigidly fastened to the roller (12), and
wherein a second cable section (8b), in particular one leading towards the weight (6), is rigidly attached to the eccentric or oval rotating element,
so that a displacement of the carriage acts as a torque on the transmission element (10) and the load of the weight (6) is passed onto the transmission element (10). Training device (1) according to one of Claims 2 to 5, in which the simulated load on the carriage (5) increases, in particular increases exponentially, in the last third of the progressive displacement in the walking or running direction. Training device (1) according to one of the preceding claims, having a braking device which throttles the return of the weight stack (6) from a raised position to a storage position. Training device (1) according to one of the preceding claims, wherein the walking or running direction is directed towards the carriage (5), so that the carriage is pushed. Training device (1) according to any one of claims 1 to 7, wherein the walking or running direction is directed away from the carriage (5), so that the carriage is pulled. Training device (1) according to any one of the preceding claims, wherein the treadmill is motorized. Training device (1) according to any one of the preceding claims, wherein the weight of the weight stack is adjustable, in particular adjustable via a pin. Training device (1) according to any one of the preceding claims, wherein the treadmill is adjustable so that it has an incline. Training device (1) according to one of Claims 2 to 12, the following properties being adjustable alone or in combination by the user or by a computer program during a training session: - speed of the motorized treadmill, - incline angle of the treadmill, - simulated loading of the carriage. Use of a training device according to one of the preceding claims for operating a fitness studio or therapy center.

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