EP1666101A1 - Training device, being an elliptic trainer or a cross trainer - Google Patents

Training device, being an elliptic trainer or a cross trainer Download PDF

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Publication number
EP1666101A1
EP1666101A1 EP05021571A EP05021571A EP1666101A1 EP 1666101 A1 EP1666101 A1 EP 1666101A1 EP 05021571 A EP05021571 A EP 05021571A EP 05021571 A EP05021571 A EP 05021571A EP 1666101 A1 EP1666101 A1 EP 1666101A1
Authority
EP
European Patent Office
Prior art keywords
training device
pedal
cranks
push rod
pedals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05021571A
Other languages
German (de)
French (fr)
Inventor
Joachim Kettler
Reinhard Rocholl
Karin Kettler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heinz Kettler GmbH and Co KG
Original Assignee
Heinz Kettler GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE200520001692 external-priority patent/DE202005001692U1/en
Application filed by Heinz Kettler GmbH and Co KG filed Critical Heinz Kettler GmbH and Co KG
Publication of EP1666101A1 publication Critical patent/EP1666101A1/en
Withdrawn legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/0015—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with an adjustable movement path of the support elements
    • A63B22/0023—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with an adjustable movement path of the support elements the inclination of the main axis of the movement path being adjustable, e.g. the inclination of an endless band
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/0002—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements involving an exercising of arms
    • A63B22/001—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements involving an exercising of arms by simultaneously exercising arms and legs, e.g. diagonally in anti-phase
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
    • A63B22/0664—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing an elliptic movement
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
    • A63B22/0664—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing an elliptic movement
    • A63B2022/067—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing an elliptic movement with crank and handles being on opposite sides of the exercising apparatus with respect to the frontal body-plane of the user, e.g. the crank is behind and handles are in front of the user
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/005—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
    • A63B21/0051—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters using eddy currents induced in moved elements, e.g. by permanent magnets
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/22—Resisting devices with rotary bodies
    • A63B21/225—Resisting devices with rotary bodies with flywheels
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/20—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements using rollers, wheels, castors or the like, e.g. gliding means, to be moved over the floor or other surface, e.g. guide tracks, during exercising
    • A63B22/201—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements using rollers, wheels, castors or the like, e.g. gliding means, to be moved over the floor or other surface, e.g. guide tracks, during exercising for moving a support element in reciprocating translation, i.e. for sliding back and forth on a guide track
    • A63B22/203—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements using rollers, wheels, castors or the like, e.g. gliding means, to be moved over the floor or other surface, e.g. guide tracks, during exercising for moving a support element in reciprocating translation, i.e. for sliding back and forth on a guide track in a horizontal plane

Definitions

  • the invention relates to a training device, namely an elliptical or crosstrainer with two pedals, which are mounted on a respective pedal bar, the pedal bars are connected to the rear ends articulated with a respective pedal crank.
  • the pedal cranks are rotatably arranged about an axis.
  • Such training devices are known for example from the utility model publication with the publication number DE 201 00 276 U1. In addition, such training devices from various suppliers, including the applicant, manufactured and distributed.
  • the training device disclosed in publication DE 201 00 267 U1 has two pedals firmly connected to the associated pedal bars. A user of the exerciser standing on the pedals of the exerciser performs any movement that the pedal bars make. The movement is essentially elliptical, which is where the term elliptical trainer comes from.
  • the exercise device disclosed in the document has a possibility to vary depending on the height of the user's different step lengths, d. H. adjust elliptical movements of different sizes. For smaller individuals with a smaller stride length, an ellipse can be set with smaller radiuses, and for larger persons with longer stride length, an ellipse with a larger radius can be set.
  • the elliptical movement of the feet which is transmitted to the musculoskeletal system on the trunk of the body, comes close to a natural running movement, but it does not correspond to 100% natural movement. Especially for first-time users, the movement on such a training device is therefore unfamiliar.
  • the invention has for its object to allow the practitioner a more natural movement, in particular a more natural movement of the legs and hips as in the previously known Crosstrainern.
  • the pedals are slidably mounted on the pedal bars.
  • the pedals are slidably mounted on the pedal bars so that they are moved forward and backward while using the exercise machine.
  • the pedals are so displaced during operation on the pedal bars and do not perform one-to-one movement of the pedal bars. The user is thereby enabled a more natural movement.
  • the pedals are pivotally connected to a push rod, said push rods can be hingedly connected to a push rod crank.
  • These push rod cranks are preferably arranged rotatably about the same axis about which the pedal cranks are already rotatably arranged.
  • each pedal is pushed during operation of the training device on the pedal rod back and forth. The pedals thus carry out a defined movement on the pedal bars. These movements of the pedals make the ellipse flatter overall, which corresponds to a more natural movement.
  • the distances between the points of attack of the push rods on the push rod cranks and the axis can be adjustable. This allows adaptation to persons with different stride lengths.
  • the pedal cranks and / or the push rod cranks can be wholly or partially formed by circular discs.
  • the points of attack of the pedal bars on the pedal cranks and optionally the points of application of the push rods on the push rod cranks are preferably in a plane which also contains the axis about which the pedal cranks and the push rod cranks rotate.
  • the pedal bars of a training device can be hingedly connected with front ends with a pedal lever.
  • the pedal levers in turn can be pivotally mounted in a respective front bearing.
  • this front bearing is height adjustable mounted on a front frame part of the training device. Due to the height adjustability of the front bearing, the normally substantially horizontally oriented ellipse can be tilted upwards or downwards. Such a tendency can give a user the feeling that he is moving uphill or downhill.
  • the exercise device with a height-adjustable front bearing may have special adjustment means for adjusting the height of the front bearing.
  • These adjusting means may comprise a drive, in particular an electric motor, so that the adjustment of the front bearing does not have to be done by hand.
  • the means for adjusting advantageously comprise elements for converting a rotational movement into a linear movement.
  • Such elements may include a spindle on which a nut may be rotatably mounted.
  • pedal levers handles are preferably attached or formed, to which the user can put his hands during the exercises.
  • the crosstrainer shown in Figures 1 to 5 has a frame with a frame base 1 a and a frame front part 1b.
  • the frame is essentially made by two spaced-apart hollow profiles.
  • the hollow profiles are guided largely parallel to one another, in particular in the region of the frame front part 1b.
  • the hollow profiles are angled, so that they lie directly against each other in this area.
  • first webs 1 c The upwardly projecting ends of the hollow profiles which form the front frame part 1 b are interconnected via first webs 1 c. These first lands 1c are made of flat steel pieces.
  • first lands 1c are made of flat steel pieces.
  • the two hollow sections in the region of the frame front part 1 b are connected to each other via a second web 1 d of a hollow profile.
  • an electric motor 5 is attached at this web 1 d, which is mounted below the first two webs 1 c.
  • This electric motor 5 drives a spindle element 4 whose length can be changed by the electric motor 5. With its lower end, the spindle element is attached to a fitting 2, the firmly connected to the web 1 d.
  • the upper end of the spindle member 4 is connected to a fitting 3 which is fixed to a cross member 7. This Traverse 7 is slidably mounted on the sliding tubes 6 between the first webs 1c.
  • the height of the cross-beam 7 can be changed.
  • struts 7a are firmly attached, which are height adjustable together with the crossbeam 7.
  • two front bearings 8 are provided.
  • each a pedal lever 9 is pivotally mounted. The pedal levers 9 extend both below the front bearings 8 and above the bearings 8, wherein the upper ends of the pedal levers 9 form handles 10.
  • the lower ends of the pedal lever 9 are pivotally connected via a bearing 11 with front ends of pedal bars 12.
  • the rear ends of the pedal bars 12 are connected via bearings made of bearing bushes 12a and bearing journals 20 connected to pedal cranks 21a, 21b, wherein the pedal crank 21a is formed by a circular disc 21a.
  • the two pedal cranks 21a, 21b are rotatable about a common axis A.
  • the points of attack of the pedal bars 12 on the pedal cranks 21a, 21b are provided at the same distance from the axis A. Relative to the axis A, the points of attack are diametrically opposed.
  • a pedal crank designed as a flywheel flywheel 24 is driven from designed as a circular disk 21 .
  • a dental or V-belt 23 is placed over the circular disc 21a.
  • This belt drives the flywheel 24 with the interposition of a gearbox.
  • a housing 25 is provided in which various electrical Components, for example, an eddy current brake, various sensors and more are housed.
  • pedals 13 On the pedal bars 12 guide elements 13 are provided. On these guide elements 14 pedals 13 can be moved in the direction of extension of the pedal rods 12. On these pedals is the practitioner who uses the elliptical machine.
  • the pedals 13 are connected via bearings 15 to a first end of a push rod 16.
  • the push rods 16 are connected at their second end in each case via a bearing 17 with push rod cranks 19.
  • the push rod cranks 19 are fixedly connected to the bearing pin 20 to which the push rod cranks 12 engage with their bearing bushes 12a.
  • These push rod cranks 19, which are also designed as circular discs, as well as the pedal cranks 21a, 21b are rotatable about the axis A.
  • the points of attack of the push rods 16 on the push rod cranks 19 are diametrically opposite each other and in a plane E containing both the points of attack of the push rods 16 on the push rod cranks 19, the points of attack of the pedal bars on the pedal cranks 21a, 21b and the axis A.
  • the push rod cranks 19, the bearing pin 20, the pedal cranks 21a, 21b and a not shown, the pedal cranks 21a and 21b interconnecting shaft are rigidly connected together and form a multi-stepped crankshaft.
  • the inclination of the pedals 13 can be changed. If the front bearing 8 is raised, the exerciser may feel that he has to move uphill. By lowering the front Bearing 8, the counterpart can be achieved; The practitioner can be given the feeling of moving downhill.
  • connection at the second ends of the push rods 16 and the push rod cranks 19 is detachable.
  • the point of application of the second ends of the push rods 16, d. H. the bearings 17 can be radially displaced or offset on a line E.
  • 19 holes 18 are provided on each of the push rod cranks, in which a coupling element of the bearing 17 can engage.

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  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The user pulls on the two hand levers (10) and stands on two sliding pedals (13). The frame of the machine has two horizontal members (1a) resting on the floor, with a raised front portion (1b) carrying an electric motor (5) turning a spindle (4) and adjusting the vertical position of the lever pivot (8). The bottom ends of the levers are pivoted (11) to the forward ends of horizontal sliders (14) connected to a wheel (19) by rods (12) and cranks. The pedals move longitudinally on the sliders and are connected to the wheel by adjustable (18) cranks (17). A belt drive (23) connects the crank wheel to a flywheel (24) rotating at a higher speed.

Description

Die Erfindung betrifft ein Trainingsgerät, nämlich einen Ellipsen- oder Crosstrainer mit zwei Pedalen, die an je einer Pedalstange angebracht sind, wobei die Pedalstangen mit hinteren Enden gelenkig mit je einer Pedalkurbel verbunden sind. Dabei sind die Pedalkurbeln um eine Achse drehbar angeordnet.The invention relates to a training device, namely an elliptical or crosstrainer with two pedals, which are mounted on a respective pedal bar, the pedal bars are connected to the rear ends articulated with a respective pedal crank. The pedal cranks are rotatably arranged about an axis.

Derartige Trainingsgeräte sind beispielsweise aus der Gebrauchsmusterschrift mit der Veröffentlichungsnummer DE 201 00 276 U1 bekannt. Darüber hinaus werden derartige Trainingsgeräte von verschiedenen Anbietern, darunter auch die Anmelderin, hergestellt und vertrieben.Such training devices are known for example from the utility model publication with the publication number DE 201 00 276 U1. In addition, such training devices from various suppliers, including the applicant, manufactured and distributed.

Das in der Druckschrift mit der Veröffentlichungsnummer DE 201 00 267 U1 offenbarte Trainingsgerät weist zwei Pedale auf, die fest mit den zugeordneten Pedalstangen verbunden sind. Ein Benutzer des Trainingsgeräts der auf den Pedalen des Trainingsgeräts steht, führt damit jede Bewegung aus, die die Pedalstangen ausführen. Die Bewegung ist im Wesentlichen ellipsenförmig, woher auch die Bezeichnung Ellipsentrainer kommt. Das in der Druckschrift offenbarte Trainingsgerät weist eine Möglichkeit auf, um je nach Körpergröße des Benutzers unterschiedliche Schrittlängen, d. h. unterschiedlich große Ellipsenbewegungen einzustellen. Für kleinere Personen mit einer kleineren Schrittlänge kann eine Ellipse mit kleineren Halbmessern eingestellt werden und für größere Personen mit größerer Schrittlänge eine Ellipse mit einem größeren Halbmesser.The training device disclosed in publication DE 201 00 267 U1 has two pedals firmly connected to the associated pedal bars. A user of the exerciser standing on the pedals of the exerciser performs any movement that the pedal bars make. The movement is essentially elliptical, which is where the term elliptical trainer comes from. The exercise device disclosed in the document has a possibility to vary depending on the height of the user's different step lengths, d. H. adjust elliptical movements of different sizes. For smaller individuals with a smaller stride length, an ellipse can be set with smaller radiuses, and for larger persons with longer stride length, an ellipse with a larger radius can be set.

Die elliptische Bewegung der Füße, die bei dem Bewegungsapparat auf den Rumpf des Körpers übertragen wird, kommt einer natürlichen Laufbewegung zwar sehr nahe, sie entspricht jedoch nicht 100 %ig dem natürlichen Bewegungsablauf. Insbesondere für Erstbenutzer ist die Bewegung auf einem derartigen Trainingsgerät daher ungewohnt.The elliptical movement of the feet, which is transmitted to the musculoskeletal system on the trunk of the body, comes close to a natural running movement, but it does not correspond to 100% natural movement. Especially for first-time users, the movement on such a training device is therefore unfamiliar.

Der Erfindung liegt die Aufgabe zugrunde, dem Übenden einen natürlicheren Bewegungsablauf, insbesondere eine natürlichere Bewegung der Beine und der Hüften zu ermöglichen als bei den bisher bekannten Crosstrainern.The invention has for its object to allow the practitioner a more natural movement, in particular a more natural movement of the legs and hips as in the previously known Crosstrainern.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die Pedale verschiebbar an den Pedalstangen gelagert sind. Die Pedale sind so verschiebbar an den Pedalstangen gelagert, dass sie während des Benutzens des Trainingsgeräts nach vorne und hinten verschoben werden. Die Pedale sind also während des Betriebes auf den Pedalstangen verschiebbar und führen nicht eins zu eins die Bewegung der Pedalstangen aus. Dem Benutzer wird dadurch eine natürlichere Bewegung ermöglicht.This object is achieved in that the pedals are slidably mounted on the pedal bars. The pedals are slidably mounted on the pedal bars so that they are moved forward and backward while using the exercise machine. The pedals are so displaced during operation on the pedal bars and do not perform one-to-one movement of the pedal bars. The user is thereby enabled a more natural movement.

Vorzugsweise sind die Pedale mit je einer Schubstange gelenkig verbunden, wobei diese Schubstangen mit je einer Schubstangenkurbel gelenkig verbunden sein können. Diese Schubstangenkurbeln sind vorzugsweise um die gleiche Achse drehbar angeordnet, um die bereits die Pedalkurbeln drehbar angeordnet sind. Über die Schubstangenkurbeln und die Schubstangen wird jedes Pedal während des Betriebs des Trainingsgeräts auf der Pedalstange hin und her geschoben. Die Pedale führen damit eine definierte Bewegung auf den Pedalstangen aus. Durch diese Bewegungen der Pedale wird die Ellipse insgesamt flacher, was einem natürlicheren Bewegungsablauf entspricht.Preferably, the pedals are pivotally connected to a push rod, said push rods can be hingedly connected to a push rod crank. These push rod cranks are preferably arranged rotatably about the same axis about which the pedal cranks are already rotatably arranged. About the push rod cranks and the push rods, each pedal is pushed during operation of the training device on the pedal rod back and forth. The pedals thus carry out a defined movement on the pedal bars. These movements of the pedals make the ellipse flatter overall, which corresponds to a more natural movement.

In einer bevorzugten Ausführung des Trainingsgeräts können die Abstände zwischen den Angriffspunkten der Schubstangen an den Schubstangenkurbeln und der Achse einstellbar sein. Damit ist eine Anpassung auf Personen mit verschiedenen Schrittlängen möglich.In a preferred embodiment of the training device, the distances between the points of attack of the push rods on the push rod cranks and the axis can be adjustable. This allows adaptation to persons with different stride lengths.

Die Pedalkurbeln und/oder die Schubstangenkurbeln können ganz oder teilweise durch Kreisscheiben gebildet werden. Die Angriffspunkte der Pedalstangen an den Pedalkurbeln und gegebenenfalls die Angriffspunkte der Schubstangen an den Schubstangenkurbeln liegen vorzugsweise in einer Ebene, welche auch die Achse enthält, um welche sich die Pedalkurbeln und die Schubstangenkurbeln drehen.The pedal cranks and / or the push rod cranks can be wholly or partially formed by circular discs. The points of attack of the pedal bars on the pedal cranks and optionally the points of application of the push rods on the push rod cranks are preferably in a plane which also contains the axis about which the pedal cranks and the push rod cranks rotate.

Die Pedalstangen eines erfindungsgemäßen Trainingsgeräts können mit vorderen Enden gelenkig mit je einem Pedalhebel verbunden sein. Die Pedalhebel ihrerseits können schwenkbar in je einem vorderen Lager angebracht sein. Vorzugsweise ist dieses vordere Lager höhenverstellbar an einem vorderen Gestellteil des Trainingsgeräts angebracht. Durch die Höhenverstellbarkeit des vorderen Lagers kann die im Normalfall im Wesentlichen waagerecht ausgerichtete Ellipse nach oben oder unten geneigt werden. Durch eine derartige Neigung kann einem Benutzer das Gefühl vermittelt werden, er bewege sich bergauf beziehungsweise bergab.The pedal bars of a training device according to the invention can be hingedly connected with front ends with a pedal lever. The pedal levers in turn can be pivotally mounted in a respective front bearing. Preferably, this front bearing is height adjustable mounted on a front frame part of the training device. Due to the height adjustability of the front bearing, the normally substantially horizontally oriented ellipse can be tilted upwards or downwards. Such a tendency can give a user the feeling that he is moving uphill or downhill.

Das Trainingsgerät mit einem höhenverstellbaren vorderen Lager kann zum Einstellen der Höhe des vorderen Lagers besondere Einstellmittel aufweisen. Diese Einstellmittel können einen Antrieb, insbesondere einen Elektromotor umfassen, so dass die Verstellung des vorderen Lagers nicht von Hand erfolgen muss.The exercise device with a height-adjustable front bearing may have special adjustment means for adjusting the height of the front bearing. These adjusting means may comprise a drive, in particular an electric motor, so that the adjustment of the front bearing does not have to be done by hand.

Die Mittel zum Einstellen weisen vorteilhaft Elemente zum Umwandeln einer Drehbewegung in eine Linearbewegung auf. Solche Elemente können eine Spindel umfassen, auf welcher eine Mutter drehbar angebracht sein kann.The means for adjusting advantageously comprise elements for converting a rotational movement into a linear movement. Such elements may include a spindle on which a nut may be rotatably mounted.

An den Pedalhebeln sind vorzugsweise Handgriffe angebracht oder angeformt, an welche der Benutzer während der Übungen seine Hände anlegen kann.On the pedal levers handles are preferably attached or formed, to which the user can put his hands during the exercises.

Ein Ausführungsbeispiel für einen erfindungsgemäßen Crosstrainer ist in den Zeichnungen näher dargestellt. Es zeigt

Fig. 1
eine Seitenansicht des Crosstrainers,
Fig. 2
eine Draufsicht des Crosstrainers,
Fig. 3
eine Ansicht von hinten,
Fig. 4
eine Ansicht von vorne und
Fig. 5
eine perspektivische Darstellung.
An embodiment of a crosstrainer according to the invention is shown in more detail in the drawings. It shows
Fig. 1
a side view of the crosstrainer,
Fig. 2
a top view of the crosstrainer,
Fig. 3
a view from behind,
Fig. 4
a view from the front and
Fig. 5
a perspective view.

Der in den Figuren 1 bis 5 dargestellte Crosstrainer weist ein Gestell mit einem Gestellunterteil 1 a und einem Gestellvorderteil 1b auf. Das Gestell ist im Wesentlichen durch zwei beabstandet voneinander angeordnete Hohlprofile hergestellt. Die Hohlprofile sind weitgehend parallel zueinander geführt, insbesondere im Bereich des Gestellvorderteils 1b. In einem hinteren Bereich des Gestellunterteils 1a sind die Hohlprofile abgewinkelt, so dass diese in diesem Bereich unmittelbar aneinander liegen.The crosstrainer shown in Figures 1 to 5 has a frame with a frame base 1 a and a frame front part 1b. The frame is essentially made by two spaced-apart hollow profiles. The hollow profiles are guided largely parallel to one another, in particular in the region of the frame front part 1b. In a rear region of the frame lower part 1a, the hollow profiles are angled, so that they lie directly against each other in this area.

Die nach oben ragenden Enden der Hohlprofile, die das Gestellvorderteil 1b bilden sind über erste Stege 1 c miteinander verbunden. Diese ersten Stege 1c sind aus Flachstahlstücken hergestellt. Außerdem sind die beiden Hohlprofile im Bereich des Gestellvorderteils 1b über einen zweiten Steg 1 d aus einem Hohlprofil miteinander verbunden. An diesem Steg 1d, der unterhalb der beiden ersten Stege 1 c angebracht ist, ist ein Elektromotor 5 befestigt. Dieser Elektromotor 5 treibt ein Spindelelement 4 an, dessen Länge durch den Elektromotor 5 verändert werden kann. Mit seinem unteren Ende ist das Spindelelement an einem Beschlag 2 angebracht, der fest mit dem Steg 1 d verbunden ist. Das obere Ende des Spindelelements 4 ist mit einem Beschlag 3 verbunden, der an einer Traverse 7 befestigt ist. Diese Traverse 7 ist zwischen den ersten Stegen 1c an Gleitrohren 6 verschiebbar gelagert.The upwardly projecting ends of the hollow profiles which form the front frame part 1 b are interconnected via first webs 1 c. These first lands 1c are made of flat steel pieces. In addition, the two hollow sections in the region of the frame front part 1 b are connected to each other via a second web 1 d of a hollow profile. At this web 1 d, which is mounted below the first two webs 1 c, an electric motor 5 is attached. This electric motor 5 drives a spindle element 4 whose length can be changed by the electric motor 5. With its lower end, the spindle element is attached to a fitting 2, the firmly connected to the web 1 d. The upper end of the spindle member 4 is connected to a fitting 3 which is fixed to a cross member 7. This Traverse 7 is slidably mounted on the sliding tubes 6 between the first webs 1c.

Durch ein Verdrehen einer Spindel des Spindelelements kann die Höhe der Quertraverse 7 verändert werden. An der Quertraverse 7 sind auskragende Streben 7a fest angebracht, die zusammen mit der Quertraverse 7 höhenverstellbar sind. An den freien Enden der Streben 7a sind zwei vordere Lager 8 vorgesehen. An diesen vorderen Lagern 8 ist jeweils ein Pedalhebel 9 schwenkbar gelagert. Die Pedalhebel 9 erstrecken sich sowohl unterhalb der vorderen Lager 8 als auch oberhalb der Lager 8, wobei die oberen Enden der Pedalhebel 9 Handgriffe 10 bilden.By rotating a spindle of the spindle element, the height of the cross-beam 7 can be changed. On the crossbeam 7 projecting struts 7a are firmly attached, which are height adjustable together with the crossbeam 7. At the free ends of the struts 7a, two front bearings 8 are provided. At these front bearings 8 each a pedal lever 9 is pivotally mounted. The pedal levers 9 extend both below the front bearings 8 and above the bearings 8, wherein the upper ends of the pedal levers 9 form handles 10.

Die unteren Enden der Pedalhebel 9 sind über ein Lager 11 gelenkig mit vorderen Enden von Pedalstangen 12 verbunden. Die hinteren Enden der Pedalstangen 12 sind über Lager gebildet aus Lagerbuchsen 12a und Lagerzapfen 20 mit Pedalkurbeln 21a, 21b verbunden, wobei die Pedalkurbel 21a durch eine Kreisscheibe 21a gebildet wird. Die beiden Pedalkurbeln 21a, 21 b sind um eine gemeinsame Achse A drehbar. Die Angriffspunkte der Pedalstangen 12 an den Pedalkurbeln 21a, 21b sind im gleichen Abstand zu der Achse A vorgesehen. Relativ zu der Achse A liegen die Angriffspunkte einander diametral gegenüber.The lower ends of the pedal lever 9 are pivotally connected via a bearing 11 with front ends of pedal bars 12. The rear ends of the pedal bars 12 are connected via bearings made of bearing bushes 12a and bearing journals 20 connected to pedal cranks 21a, 21b, wherein the pedal crank 21a is formed by a circular disc 21a. The two pedal cranks 21a, 21b are rotatable about a common axis A. The points of attack of the pedal bars 12 on the pedal cranks 21a, 21b are provided at the same distance from the axis A. Relative to the axis A, the points of attack are diametrically opposed.

Von der als Kreisscheibe 21 a ausgebildeten Pedalkurbel wird eine als Schwungrad ausgebildete Schwungmasse 24 angetrieben. Dazu ist über die Kreisscheibe 21a ein Zahn- oder Keilriemen 23 gelegt. Dieser Riemen treibt unter Zwischenschaltung eines Getriebes die Schwungmasse 24 an. Im Bereich der Schwungmasse 24 ist ein Gehäuse 25 vorgesehen, in dem verschiedene elektrische Komponenten, zum Beispiel eine Wirbelstrombremse, verschiedene Sensoren und Weiteres untergebracht sind.From designed as a circular disk 21 a pedal crank designed as a flywheel flywheel 24 is driven. For this purpose, a dental or V-belt 23 is placed over the circular disc 21a. This belt drives the flywheel 24 with the interposition of a gearbox. In the area of the flywheel 24, a housing 25 is provided in which various electrical Components, for example, an eddy current brake, various sensors and more are housed.

An den Pedalstangen 12 sind Führungselemente 13 vorgesehen. Auf diesen Führungselementen 14 können Pedale 13 in der Erstreckungsrichtung der Pedalstangen 12 verschoben werden. Auf diesen Pedalen steht der Übende, der den Crosstrainer nutzt. Die Pedale 13 sind über Lager 15 mit einem ersten Ende einer Schubstange 16 verbunden. Die Schubstangen 16 sind mit ihrem zweiten Ende jeweils über ein Lager 17 mit Schubstangenkurbeln 19 verbunden. Die Schubstangenkurbeln 19 sind fest mit dem Lagerzapfen 20 verbunden, an welchen die Schubstangenkurbeln 12 mit ihrem Lagerbuchsen 12a angreifen. Diese Schubstangenkurbeln 19, die ebenfalls als Kreisscheiben ausgeführt sind, sind ebenso wie die Pedalkurbeln 21a, 21b um die Achse A drehbar.On the pedal bars 12 guide elements 13 are provided. On these guide elements 14 pedals 13 can be moved in the direction of extension of the pedal rods 12. On these pedals is the practitioner who uses the elliptical machine. The pedals 13 are connected via bearings 15 to a first end of a push rod 16. The push rods 16 are connected at their second end in each case via a bearing 17 with push rod cranks 19. The push rod cranks 19 are fixedly connected to the bearing pin 20 to which the push rod cranks 12 engage with their bearing bushes 12a. These push rod cranks 19, which are also designed as circular discs, as well as the pedal cranks 21a, 21b are rotatable about the axis A.

Die Angriffspunkte der Schubstangen 16 an den Schubstangenkurbeln 19 liegen einander diametral gegenüber und in einer Ebene E die sowohl die Angriffspunkte der Schubstangen 16 an den Schubstangenkurbeln 19, die Angriffspunkte der Pedalstangen an den Pedalkurbeln 21a, 21b und die Achse A enthält. Die Schubstangenkurbeln 19, der Lagerzapfen 20, die Pedalkurbeln 21a, 21b und eine nicht dargestellte, die Pedalkurbeln 21a und 21b miteinander verbindenden Welle sind starr miteinander verbunden und bilden eine mehrfach abgestufte Kurbelwelle.The points of attack of the push rods 16 on the push rod cranks 19 are diametrically opposite each other and in a plane E containing both the points of attack of the push rods 16 on the push rod cranks 19, the points of attack of the pedal bars on the pedal cranks 21a, 21b and the axis A. The push rod cranks 19, the bearing pin 20, the pedal cranks 21a, 21b and a not shown, the pedal cranks 21a and 21b interconnecting shaft are rigidly connected together and form a multi-stepped crankshaft.

Durch die Höhenverstellbarkeit des vorderen Lagers 8 und somit des Angriffspunktes der Pedalhebel 9 an dem Gestellvorderteil 1b kann die Neigung der Pedale 13 verändert werden. Wird das vordere Lager 8 angehoben, kann dem Übenden das Gefühl vermittelt werden, er müsste sich bergauf bewegen. Durch ein Absenken des vorderen Lagers 8 kann das Gegensteil erreicht werden; dem Übenden kann nämlich das Gefühlt vermittelt werden, sich bergab zu bewegen.Due to the height adjustment of the front bearing 8 and thus the point of application of the pedal lever 9 on the frame front part 1 b, the inclination of the pedals 13 can be changed. If the front bearing 8 is raised, the exerciser may feel that he has to move uphill. By lowering the front Bearing 8, the counterpart can be achieved; The practitioner can be given the feeling of moving downhill.

Die gegenüber einem herkömmlichen Crosstrainer zusätzlich vorgesehene Verschiebbarkeit der Pedale 13 auf den Pedalstangen 12 und die Kopplung der Pedale 13 über die Schubstangen mit den Schubstangenkurbeln 19 bewirkt eine zusätzliche Bewegung des Übenden auf den Pedalstangen 12. Dadurch wird eine insgesamt natürlichere Bewegung erreicht, als es bei den herkömmlichen Crosstrainern der Fall ist.The compared to a conventional crosstrainer additionally provided displaceability of the pedals 13 on the pedal bars 12 and the coupling of the pedals 13 via the push rods with the push rod cranks 19 causes additional movement of the exerciser on the pedal bars 12. This results in a more natural movement is achieved than at the traditional crosstrainer is the case.

Die Verbindung an den zweiten Enden der Schubstangen 16 und den Schubstangenkurbeln 19 ist lösbar. Der Angriffspunkt der zweiten Enden der Schubstangen 16, d. h. die Lager 17 können auf einer Linie E radial verschoben beziehungsweise versetzt werden. Dazu sind an jeder der Schubstangenkurbeln 19 Bohrungen 18 vorgesehen, in welche ein Kopplungselement des Lagers 17 eingreifen kann. Durch eine Verschiebung des Angriffspunktes des zweiten Endes der Schubstange 16 kann der Hub, den das Pedal 13 auf den Pedalstangen 12 während einer Umdrehung der Schubstangenkurbein 19 erfährt, variiert werden. Damit ist eine Abstimmung auf die individuelle Schrittlänge des Übenden möglich.The connection at the second ends of the push rods 16 and the push rod cranks 19 is detachable. The point of application of the second ends of the push rods 16, d. H. the bearings 17 can be radially displaced or offset on a line E. For this purpose, 19 holes 18 are provided on each of the push rod cranks, in which a coupling element of the bearing 17 can engage. By a displacement of the point of application of the second end of the push rod 16, the stroke which the pedal 13 experiences on the pedal rods 12 during one revolution of the push rod crank 19 can be varied. Thus, a vote on the individual stride of the practitioner is possible.

Claims (16)

Trainingsgerät, nämlich Ellipsen- oder Crosstrainer - mit zwei Pedalen (13), die an je einer Pedalstange (12) angebracht sind, - wobei die Pedalstangen (12) mit hinteren Enden gelenkig mit je einer Pedalkurbel (21a, 21b) verbunden sind, - wobei die Pedalkurbeln(21a, 21b) um eine Achse (A) drehbar angeordnet sind, dadurch gekennzeichnet, dass
die Pedale (13) verschiebbar an den Pedalstangen (12) gelagert sind.Training device, namely elliptical or crosstrainer - With two pedals (13) which are attached to a respective pedal bar (12), - Wherein the pedal bars (12) are hingedly connected to the rear ends with a respective pedal crank (21a, 21b), - Wherein the pedal cranks (21a, 21b) are arranged rotatably about an axis (A), characterized in that
the pedals (13) are slidably mounted on the pedal bars (12). Trainingsgerät nach Anspruch 1, dadurch gekennzeichnet, dass die Pedale (13) mit je einer Schubstange (16) gelenkig verbunden sind.Training device according to claim 1, characterized in that the pedals (13) are each pivotally connected to a push rod (16). Trainingsgerät nach Anspruch 2, dadurch gekennzeichnet, das die Schubstangen (16) mit je einer Schubstangenkurbel (19) gelenkig verbunden sind.Training device according to claim 2, characterized in that the push rods (16) are each pivotally connected to a push rod crank (19). Trainingsgerät nach Anspruch 3, dadurch gekennzeichnet, dass die Schubstangenkurbeln (19) um die Achse (A) drehbar angeordnet sind.Training device according to claim 3, characterized in that the push rod cranks (19) are arranged rotatably about the axis (A). Trainingsgerät nach Anspruch 4, dadurch gekennzeichnet, dass die Abstände zwischen den Angriffspunkten der Schubstangen (19) an den Schubstangenkurbeln (19) und der Achse (A) einstellbar sind.Training device according to claim 4, characterized in that the distances between the points of engagement of the push rods (19) on the push rod cranks (19) and the axis (A) are adjustable. Trainingsgerät nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Pedalkurbeln (21 a, 21 b) und/oder die Schubstangenkurbeln (19) ganz oder teilweise durch Kreisscheiben gebildet werden.Training device according to one of claims 1 to 5, characterized in that the pedal cranks (21 a, 21 b) and / or the push rod cranks (19) are wholly or partially formed by circular discs. Trainingsgerät nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Angriffspunkte der Pedalstangen (12) an den Pedalkurbeln (21a, 21b) und gegebenenfalls die Angriffspunkte der Schubstangen (16) an den Schubstangenkurbeln (19) in einer Ebene (E) liegen, die die Achse (A) umfasst.Training device according to one of claims 1 to 6, characterized in that the engagement points of the pedal bars (12) on the pedal cranks (21a, 21b) and optionally the points of application of the push rods (16) on the push rod cranks (19) in a plane (E) that includes the axis (A). Trainingsgerät nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Pedalstangen 812) mit vorderen Enden gelenkig mit je einem Pedalhebel (21a, 21 b) verbunden sind.Training device according to one of claims 1 to 7, characterized in that the pedal bars 812) are articulated with front ends connected to a respective pedal lever (21 a, 21 b). Trainingsgerät nach Anspruch 8, dadurch gekennzeichnet, dass die Pedalhebel (9) schwenkbar mit je einem vorderen Lager (8) angebracht sind.Training device according to claim 8, characterized in that the pedal levers (9) are pivotally mounted with a respective front bearing (8). Trainingsgerät nach Anspruch 9, dadurch gekennzeichnet, dass die vorderen Lager (8) höhenverstellbar an einem vorderen Gestellteil (Gestellvorderteil 1b) angebracht istTraining device according to claim 9, characterized in that the front bearing (8) is height-adjustable on a front frame part (frame front part 1 b) is mounted Trainingsgerät nach Anspruch 10, dadurch gekennzeichnet, dass das Trainingsgerät Mittel (4, 5) zum Einstellen der Höhe der vorderen Lager (8) aufweist.Training device according to claim 10, characterized in that the training device has means (4, 5) for adjusting the height of the front bearing (8). Trainingsgerät nach Anspruch 11, dadurch gekennzeichnet, dass die Mittel (4, 5) zum Einstellen einen Antrieb (5) umfassen.Training device according to claim 11, characterized in that the means (4, 5) for adjusting a drive (5). Trainingsgerät nach Anspruch 12, dadurch gekennzeichnet, dass der Antrieb (5) ein Elektromotor (5) ist.Training device according to claim 12, characterized in that the drive (5) is an electric motor (5). Trainingsgerät nach einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, dass die Mittel (4, 5) zum Einstellen Elemente (4) zum Umwandeln einer Drehbewegung in eine Linearbewegung umfassen.Training device according to one of claims 11 to 13, characterized in that the means (4, 5) for adjusting comprise elements (4) for converting a rotational movement into a linear movement. Trainingsgerät nach Anspruch 14, dadurch gekennzeichnet, dass die Elemente (4) zum Umwandeln eine Spindel umfassen.Training device according to claim 14, characterized in that the elements (4) for converting comprise a spindle. Trainingsgerät nach einem der Ansprüche 8 bis 15, dadurch gekennzeichnet, dass an den Pedalhebeln (9) Handgriffe (10) angebracht oder angeformt sind.Training device according to one of claims 8 to 15, characterized in that on the pedal levers (9) handles (10) are mounted or formed.
EP05021571A 2004-12-03 2005-10-01 Training device, being an elliptic trainer or a cross trainer Withdrawn EP1666101A1 (en)

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DE200520001692 DE202005001692U1 (en) 2004-12-03 2005-02-02 Physical training machine for exercising arms and legs has two movable handles with motor-driven height-adjustable pivot, fastened to horizontally-moving rails connected to cranks and carrying pedals

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