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EP4536367A1 - Rameur avec repose-pieds coulissant et procédé de fonctionnement du rameur - Google Patents

Rameur avec repose-pieds coulissant et procédé de fonctionnement du rameur

Info

Publication number
EP4536367A1
EP4536367A1 EP23731281.4A EP23731281A EP4536367A1 EP 4536367 A1 EP4536367 A1 EP 4536367A1 EP 23731281 A EP23731281 A EP 23731281A EP 4536367 A1 EP4536367 A1 EP 4536367A1
Authority
EP
European Patent Office
Prior art keywords
rowing
boat
stretcher
force
rowing machine
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.)
Pending
Application number
EP23731281.4A
Other languages
German (de)
English (en)
Inventor
Jonas Albiger
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.)
Individual
Original Assignee
Individual
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 DE102022114779.7A external-priority patent/DE102022114779A1/de
Priority claimed from DE202023102429.7U external-priority patent/DE202023102429U1/de
Application filed by Individual filed Critical Individual
Publication of EP4536367A1 publication Critical patent/EP4536367A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • A63B22/0076—Rowing machines for conditioning the cardio-vascular system
    • 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
    • A63B21/00058—Mechanical means for varying the resistance
    • A63B21/00069—Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve
    • 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
    • A63B21/008—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters
    • A63B21/0085—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters using pneumatic force-resisters
    • A63B21/0088—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters using pneumatic force-resisters by moving the surrounding air
    • 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
    • A63B22/0076—Rowing machines for conditioning the cardio-vascular system
    • A63B2022/0079—Rowing machines for conditioning the cardio-vascular system with a pulling cable
    • 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
    • A63B22/0087—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with a seat or torso support moving during the exercise, e.g. reformers
    • 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
    • A63B22/0087—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with a seat or torso support moving during the exercise, e.g. reformers
    • A63B22/0089—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with a seat or torso support moving during the exercise, e.g. reformers a counterforce being provided to the support
    • 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
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/06—Training appliances or apparatus for special sports for rowing or sculling

Definitions

  • the center of gravity of the training person or the center of gravity of the system consisting of the frame, braking device and training person remains practically unchanged in the same place during the rowing cycle.
  • the back and forth movement of the trainee's center of gravity relative to the solid ground is less pronounced, which is the real thing Rowing on the water should get closer.
  • the stretcher board In a rowing boat, the stretcher board is firmly connected to the hull of the boat.
  • the speed of the stretcher in a rowing boat always corresponds to the boat speed of the rowing boat at all times.
  • the speed of the rower, who sits in the rowing boat and rolls back and forth while rowing differs significantly from the speed of the boat.
  • the delivery angle a can be -70 to -55° at the front reversal point and 30 to 45° at the rear reversal point.
  • a preferred equation from which the angle a can be determined depending on the horizontal position of the handle by shaping according to a is:
  • K2 constant, which lies in a range of 60 to 100 cm.
  • the position of the braking device is fixed, ie the center of gravity of the braking device remains at a fixed location.
  • the braking device can be attached to the frame, which stands firmly on the ground.
  • the stretcher is therefore mounted so that it can move relative to the fixed braking device.
  • the focus of the Braking device should be viewed as stationary, even if the position of smaller parts such as pulleys etc. may change while rowing on the rowing machine.
  • the stretcher and the braking device form a displaceable unit.
  • the stretcher and the brake device can only be moved back and forth as a block.
  • Such a displaceable block is disclosed, for example, in EP 0 376403 B1 and US 5,382,210.
  • the stretcher can be firmly connected to the frame, with a carriage construction being provided through which the frame is displaceably mounted along the main direction of the rudder and also in the opposite direction.
  • the adjusting device is assigned to the slide construction. Since the frame and the stretcher are firmly connected to each other, there is no relative speed between the stretcher and the frame when viewed in the main direction of the rudder.
  • the stretcher moves relative to the frame.
  • the stretcher is mounted so that it can move in the main direction of the rudder (and in the opposite direction) relative to a fixed point or a solid base.
  • the traction means has an upper strand and a lower strand, with the upper strand preferably being connected to the stretcher/slide.
  • the upper run preferably extends between two mutually spaced deflection rollers, at least one of which is driven by the drive. Through the upper strand and the lower strand it is possible to pull the carriage or the stretcher towards the driven deflection roller or to pull it away from the driven deflection roller via the detour of the other deflection roller.
  • the adjusting device determines the boat driving force depending on an operating parameter of the braking device.
  • this operating parameter can be a rudder work that occurs or is performed in the braking device during the pull-through.
  • the operating parameter can also be a progression of the resistance force that has to be overcome when the rowing handle is moved.
  • the boat propulsion force can also represent a course, which is preferably dependent on a rudder angle or on a
  • the rudder position of the rudder handle depends (at the front reversal point the rudder position is preferably set to 0 cm).
  • the boat resistance force can be derived from one of the operating parameters of the braking device. For example, a course of the boat speed and thus a course of the boat resistance force can be modeled from the rowing work incurred in the braking device during a rowing cycle.
  • the boat propulsion force can vary within a rowing cycle and also within the passage of the rowing cycle, for example by linking a sine function depending on the rudder angle or depending on the position of the rowing handle.
  • the boat resistance force can also vary, for example by using the square of the non-constant boat speed as a basis to determine it.
  • a further object of the invention the provision of a method for operating a rowing machine described above, in particular a rowing machine according to claims 1 to 14, is solved by claim 15.
  • the actuating force can be adjusted so that, taking into account the rolling back and forth of the rower, the speed at which the stretcher moves simulates a differential speed which corresponds to the variable boat speed of a rowing boat on the water minus an average boat speed of the rowing boat.
  • the rower on the rowing machine is therefore exposed to the accelerations that would affect him if he were rowing on the water in a rowing boat.
  • Figure 4 shows a schematic course of the boat speed over time during a rowing cycle
  • Figure 9 shows a schematic diagram of the positioning force.
  • Figure 1 shows a first embodiment of a rowing machine 1 with a frame 10 on which a rolling or rowing seat 20 is mounted in a main rowing direction 2 and displaceable in the opposite direction.
  • a training person or a rower 3 sits on the rolling seat 20 and holds a rowing handle 30 with his hands.
  • the rowing handle 30 is connected to a braking device 40 with a rope 31.
  • the braking device 40 generates a resistance that must be overcome when pulling the rudder handle 30 to the right (in the main rudder direction 2) in the illustration in FIG. In other words, pulling the rudder handle 30 in the braking device 40 results in rowing power or rowing work.
  • the braking device 40 thus represents a device which serves to provide resistance to the movement of the oar handle, at least during the pull-through.
  • the beginning of a rowing cycle is often set at the front turning point, which, when rowing on water, coincides with the insertion of the oars into the water (grabbing the water).
  • the first phase of the rowing cycle in which the rower 3 pulls on the handle 30, which begins at the front reversal point and ends at the rear reversal point, is referred to as the pull-through.
  • the second phase of the rowing cycle (from the rear reversal point to the front reversal point) is called freewheeling.
  • the frame 10 further has a first support foot 13 and a second support foot 14.
  • the first support foot 13 is supported on a carriage 51 of a first carriage construction 50.
  • the carriage construction 50 has a frame 52 on which or in which the carriage 51 is slidably mounted.
  • the frame 52 stands firmly on the floor of a training room, rowing cellar or the like and is aligned relative to the frame 10 of the rowing machine 1 in such a way that the rolling seat 20 and the carriage 51 are mounted displaceably in the same direction, namely along the main rowing direction 2.
  • a further carriage construction 60 is provided for the second support foot 14, which, like the carriage construction 50, has a fixed frame 62 and a displaceable carriage 61.
  • the adjusting device 70 has a motor 71 and a control unit 72.
  • the control unit 72 is connected to the braking device 40 or to the motor 71 via data lines 73, 74.
  • the control unit receives signals from the braking device 40 via the data line 74.
  • the control unit 72 can thus receive operating parameters of the braking device 40 (for example the time course of the rudder power generated in the braking device) and take them into account when determining the actuating force with which the movement of the first support foot 13 is accelerated or braked in or against the main rudder direction 2.
  • External data 4 can be read in from the adjusting device 70 via a data interface 75.
  • the external data 4 can include movement and performance parameters of another rower transmitted via the Internet, with whom the rower 3 would like to virtually row together.
  • the “mechanical” coupling between the rowers, who are only connected via the Internet and can therefore be in different locations, is achieved by the actuating force, the height and course of which is determined by the actuating device.
  • the speed curve VAW only depends on the boat's resistance force, since the oars are then not in the water and therefore no driving force can act on the boat.
  • the VAW curve has an approximately constant slope of less than zero. This means that the boat's resistance force is approximately constant in this phase and leads to a constant negative acceleration. However, the boat does not slow down in this phase, but rather has a constant boat speed over the largest area of freewheel II. The drop in boat speed caused by the boat's resistance force is compensated for by the boat-accelerating effect of the rower rolling back towards the stern
  • the kinematic relationships shown in Figure 4 are represented in the rowing machine according to the invention by the actuating force acting on the frame.
  • the actuating force here should only reflect the influence of the boat's propulsion force and the boat's resistance force on the "fictitious boat speed" of the rowing machine.
  • the influence of the rower's rolling back and forth on the boat speed when rowing on water can be equated with the influence of the rower's rolling back and forth on the rowing machine in relation to the fixed frame of the carriage structure and therefore does not need to be replicated by the actuating force .
  • the actuating force is equated with the boat resistance force that only needs to be taken into account here (boat driving force for the freewheel II is zero), which can be -35 N, for example. With a total weight of rower and rowing boat of 100 kg, this would become one Delay a of - 0.35 m/s 2 lead. Since the boat resistance force brakes the rowing boat and acts against the direction of travel of the rowing boat, the actuating force in the illustration in Figure 1 also acts to the left in the rowing machine 1 according to the invention, i.e. against the main direction of the rowing 2.
  • the actuating force for the carriage 51 in conjunction with the inertial masses of the rowing boat (rowing machine) and the rower, causes the carriage to move at a speed that corresponds to the difference between the boat speed VB and the average boat speed Vß.mittei.
  • This differential speed is marked AV in Figures 4 to 6.
  • the accelerations that the rower experiences on the rowing machine correspond to the accelerations when actually rowing in a rowing boat on the water.
  • Figures 7 shows a further exemplary embodiment of the rowing machine according to the invention.
  • the same reference numerals are used for components and features that are similar or identical to the components and features of the exemplary embodiment in Figure 1.
  • the differences from the exemplary embodiment in FIG. 1 will be discussed below. Regarding the similarities, please refer to the description of the figures above.
  • the frame 10 with the first support foot 13 and the second support foot 14 stands firmly on a solid base or floor, which is provided with the reference number 5 in Figures 7 and 8.
  • the stretcher 11 and the braking device 40 are parts of a displaceable unit that can be moved back and forth in the main rudder direction 2 and in the opposite direction.
  • the drive 71 should also be part of the displaceable unit and moves with the stretcher 11.
  • the braking device 40 is firmly connected to the frame 10, here only the stretcher 11 or a stretcher carriage 15, on which the stretcher 11 is attached, is slidably mounted.
  • the drive 71 is also arranged on the stretcher carriage 15.
  • This drive 71 can, for example, only include a brake that controls the movement of the stretcher 11, which is caused by the rower 3 rolling back and forth decelerated in order to reproduce - at least to a good approximation - the influence of the boat propulsion force and the boat resistance force on the speed of the stretcher 11 or the virtual rowing boat.
  • Figure 9 shows the course of the actuating force 83 for an exemplary embodiment. The pull length of the pull from 0 to 100% is plotted on the x-axis.
  • the positioning force is shown in N on the vertical y-axis. It can be seen that at around 20% of the pull (the pull starts at 0%) the actuating force has a first zero point. The actuating force then increases to a maximum, which is between 40 and 55%. A second zero point is at approx. 85%.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Rehabilitation Tools (AREA)

Abstract

La présente invention concerne un rameur (1) comprenant : a. un cadre (10), b. un siège coulissant (20) qui est monté sur le cadre (10) de façon à pouvoir coulisser dans une direction de ramage principale (2), c. une poignée de ramage mobile (30), d. un dispositif de freinage (40) qui est relié à la poignée de ramage (30), et e. un repose-pieds (11) qui est monté de façon coulissante dans la direction de ramage principale (2). Selon l'invention, un dispositif d'actionnement (70) est disposé pour fournir une force d'actionnement au moyen de laquelle le mouvement du repose-pied (11) peut être décéléré ou accéléré afin de reproduire une force de propulsion et une force de résistance d'un bateau à rames sur l'eau. L'invention concerne en outre un procédé de fonctionnement de la machine.
EP23731281.4A 2022-06-13 2023-06-07 Rameur avec repose-pieds coulissant et procédé de fonctionnement du rameur Pending EP4536367A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102022114779.7A DE102022114779A1 (de) 2022-06-13 2022-06-13 Rudergerät mit Schlittenkonstruktion und Verfahren zum Betreiben des Rudergeräts
DE202022106176.9U DE202022106176U1 (de) 2022-06-13 2022-11-03 Rudergerät mit verschiebbarem Stemmbrett
DE202023102429.7U DE202023102429U1 (de) 2023-05-04 2023-05-04 Rudergerät mit verschiebbarem Stemmbrett
PCT/EP2023/065249 WO2023242023A1 (fr) 2022-06-13 2023-06-07 Rameur avec repose-pieds coulissant et procédé de fonctionnement du rameur

Publications (1)

Publication Number Publication Date
EP4536367A1 true EP4536367A1 (fr) 2025-04-16

Family

ID=86776392

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23731281.4A Pending EP4536367A1 (fr) 2022-06-13 2023-06-07 Rameur avec repose-pieds coulissant et procédé de fonctionnement du rameur

Country Status (2)

Country Link
EP (1) EP4536367A1 (fr)
WO (1) WO2023242023A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4396188A (en) 1981-07-15 1983-08-02 Dreissigacker Peter D Stationary rowing unit
NL8803177A (nl) 1988-12-27 1990-07-16 Gerhardus Meintes Oosterhout E Roei-ergometer.
US5382210A (en) 1992-11-13 1995-01-17 Rekers; Casper J. N. Dynamically balanced rowing simulator
US20110082015A1 (en) * 2009-10-02 2011-04-07 Concept Ii, Inc. Exercising
US20120100965A1 (en) * 2010-10-22 2012-04-26 Dick Dreissigacker Exercising
GB2595628B (en) * 2020-03-11 2022-08-03 Stanley Weller Keith Method and apparatus for measuring rowing skill

Also Published As

Publication number Publication date
WO2023242023A1 (fr) 2023-12-21

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