EP0022085A2 - Trainingsgerät für Ruderer - Google Patents

Trainingsgerät für Ruderer Download PDF

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Publication number
EP0022085A2
EP0022085A2 EP80810207A EP80810207A EP0022085A2 EP 0022085 A2 EP0022085 A2 EP 0022085A2 EP 80810207 A EP80810207 A EP 80810207A EP 80810207 A EP80810207 A EP 80810207A EP 0022085 A2 EP0022085 A2 EP 0022085A2
Authority
EP
European Patent Office
Prior art keywords
rower
arm
movable
arms
movement
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Withdrawn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
EP80810207A
Other languages
English (en)
French (fr)
Other versions
EP0022085A3 (en
Inventor
Paul Terraillon
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
Application filed by Individual filed Critical Individual
Publication of EP0022085A2 publication Critical patent/EP0022085A2/de
Publication of EP0022085A3 publication Critical patent/EP0022085A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • A63B22/0025—Particular aspects relating to the orientation of movement paths of the limbs relative to the body; Relative relationship between the movements of the limbs
    • A63B2022/0041—Particular aspects relating to the orientation of movement paths of the limbs relative to the body; Relative relationship between the movements of the limbs one hand moving independently from the other hand, i.e. there is no link between the movements of the hands
    • 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
    • A63B2022/0082—Rowing machines for conditioning the cardio-vascular system with pivoting handlebars
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/10—Positions
    • A63B2220/16—Angular positions
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/30—Speed
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/50—Force related parameters
    • A63B2220/54—Torque
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/50—Force related parameters
    • A63B2220/56—Pressure

Definitions

  • Apparatuses used for training rowers are already known. However, they have the defect that the movement of the hands takes place along two parallel straight lines while in the actual movement of rowing, each hand describes an arc of a circle.
  • the present invention aims to provide an apparatus for training rowers, in which the movement of the hands during work is identical to the movement of the hands of a person rowing on a boat.
  • the apparatus according to the invention makes it possible to measure the force actually developed on the train by the rower (force according to the tangent to the movement in an arc described by the hand), and the effective force ( component parallel to the axis of the boat, the force along the tangent). This has the great advantage of making it possible to continuously display the efficiency of the work of the rower.
  • the device according to the invention allows the measurement and display of the instantaneous value of the angular speed of this movement of the hands in an arc of a circle, which allows the automatic calculation of the instantaneous power. , total and efficient, and total energy and efficient energy developed by the rower during each cycle of the movement of his hands.
  • the apparatus according to the invention is in accordance with claim 1.
  • the apparatus shown in fig. 1 comprises a seat support 101 having two parallel rails 102, 103 on which the rollers of a roller seat 104 can roll. To this support 101 are fixed two beams 105, 106 at the free end of each of which pivots a bar representing a lady swimming. We will see later that a hydraulic brake is arranged at 109, 110, at the place where each of the bars 107, 108 is mounted on the respective beam 105, 106.
  • a footrest 111 provided with belts 112, 113 is also carried by the support 101.
  • Electric cables 114, 115 have been shown connecting sensors placed at 109 and 110 as will be described below, to boxes 116, 117 containing the electronic part and comprising the control and adjustment members, the display means and gran recording interesting deurs. These boxes 116, 117 are shown in more detail in FIG. 2. Box 116 relates to the measurement of effort and box 117 to physiological measurements
  • a cable 118 also connects to the box 116 sensors having to do with the support 101 as will be described later.
  • a cable 120 connects a known heart rate detector to the box 117.
  • Figs. 3,4 and 5 are diagrams of electro lunch contained in box 116.
  • FIG. 7 represents a sectional view of the part 109, made perpendicular to the axis of rotation of the arm 107.
  • FIG. 9 shows in cross section the same part as in FIG. 7.
  • a fixed flap 126 occupying practically the entire section of this chamber, so that the part 121, 122 rotates practically without play around this flap 126.
  • This flap is integral with a rod 127 the axis of which coincides with the axis of rotation of the bar 107 and which is fixed to the end of the beam 105.
  • a plate 128 formed on 127 prevents this part from turning.
  • the flap 126 is provided over its entire periphery with an elastic seal visible at 129 ensuring the sealed separation between parts 130 and 131 of the interior of the hydraulic brake.
  • This flap is crossed by a series of passageways 132 controlled by a flexible blade 133. It is understood that when the bar 107 is rotated clockwise in FIG. 7, the whole body 121, 122 rotates with it and that the valve 133 comes automatically to close off the passages 132. On the other hand, when the arm 107 is rotated counterclockwise, the body 121, 122 rotates with it and the valve 133 s' opens automatically, letting the liquid pass through the passades 132.
  • the first case corresponds to the working run of the oars and the second to the return run.
  • an adjustment means comprising a needle 134 adjustable by means of a button 135 and which controls the passage of the liquid from part 131 to part 130.
  • 136 there is a safety valve to prevent that as a result of too tight adjustment of the needle 134 there is a risk of damaging the device.
  • a connector 138 on which is mounted a pressure sensor 139 which is a pressure gauge with transducer providing a voltage or an electric current proportional to the pressure measured.
  • a pressure sensor 139 which is a pressure gauge with transducer providing a voltage or an electric current proportional to the pressure measured.
  • a torsion spring 142 is provided around the rod 125, one end of which is moored on 125 and the other on the fork 143 by which the arm 107 is pivotally mounted on 124 and 125
  • An adjustment knob 144 makes it possible to adjust the tension of the spring 142 at will so as to balance the arm 107 well.
  • a sensor means constituted by a potentiometer 145 the axis 146 of which is integral with the axis 127 while its movable assembly is integral in rotation with 121 by means of a plate 147. It is understood that this potentiometer will give by the output cable 148 a current or a voltage function of the instantaneous angular position of the arm 107.
  • the assembly 101 constituted by the tray supporting the wheeled seat 104 and the actual support of this seat, rests on a base 149, by means of flexible steel blades 150 allowing a slight relative movement in the direction of the axis of the apparatus between 101 and 149.
  • a detector 151 with strain gauges is arranged between 101 and 149, as seen in FIG. 11, to give a measurement in electrical magnitude of the bending of the elements 150 during the work of the rower.
  • 152 is a water level.
  • the potentiometer 303 is arranged so as to provide the sine of the angle swept by the arm 107.
  • the output of the potentiometer 303 is connected to the multiplier 306.
  • Another input of this multiplier is connected to the output of the multiplier 305, so that the output of 306 gives the product of the total power and the sine of the angle, at all times. It is therefore the effective power, that is to say that developed in the direction of travel of the boat.
  • the output of the multiplier 305 is connected to the input of an energy circuit 315, the details of which are shown in FIG. 5.
  • the output of this circuit controls a circuit 317 for counting and digital display of the real energy developed by the rower during this operating cycle. It is therefore a summation of elementary work during the cycle.
  • the output of the multiplier 306 is connected to the input of an energy circuit 316 identical to 315.
  • the output of 316 is connected to the input of a circuit 318 identical to 317 and which is used to display the effective energy developed by the rower during a cycle.
  • the galvanometer 311 indicates the actual instantaneous power developed by the rower, when the switch 307 is in the position shown in the drawing. For the same position of switch 307, the actual instantaneous power acts on the recorder 312.
  • the hour meter 325a-325d controls on the one hand the display 326 of seconds, tens of seconds, minutes and tens of minutes.
  • Logic circuit 327 provides a logic signal on these three outputs corresponding respectively to 30, 60, 120 seconds 1.
  • Circuit 329 controlled by 327 depending on the position of switch 328, provides a pulse of duration of 5, 10 , 15 or 20 seconds, depending on the value of resistors 329a, 329b, 329c or 329d which come into play depending on the position of switch 329e. This circuit 329 will therefore automatically determine the duration during which the recording is made at 312.
  • 338 is a two-track recording galvanometer whose function is to continuously give a graph of the heart rate and the actual instantaneous power developed by the rower.
  • the information concerning the power is supplied by the elements already considered, while the information relating to the heart rate is supplied to it by a heart rate measuring device 335 acting on 338 via an operational amplifier 336 and the 'power stage 337.
  • 301a a potentiometer identical to 301, but placed on the mechanism acting on the other arm. If 301 is placed on 109, 301a will be placed on 110.
  • the function of this potentiometer 301a is to allow the display on the galvanometer 344 of balancing at central zero and this in conjunction with potentiometer 301.
  • this -galvanometer indicates whether there is equality or imbalance between the output voltages of these two potentiometers, the aim being to achieve equilibrium. It is accepted that at all times the speeds corresponding to the two arms are equal.
  • the pressures developed may be different and it is a question of balancing them by acting on the adjusting member 135 so that the galvanometer 344 is in the zero position.
  • the rate indicator galvanometer 323 is controlled from the output of the potentiometer 302, via the circuit 320 of the operational amplifier 322 and the integrator circuit 321.
  • One of the inputs of the operational amplifier 313 is supplied by the output of potentiometer 302 and its output controls the Schmitt trigger 314, the output of which acts, on the one hand on circuit 320 and, on the other hand, on a circuit for counting and displaying pulses 319, counting and displaying the number of strokes from the Schmitt trigger.
  • Switch 330 is used for reset. of all counters 317, 318, 319, 235a, 325b, 325c, 325d.
  • Switch 307 allows, as we have seen, in the position shown in the drawing, the recording of real power. In the following position, the recorder 312 will record the effective power. In the third position of 307, the recorder 312 will record the total force developed by the rower and, in the fourth position of 307, this recorder will record the instantaneous speed of movement of the bar 107 or 108.
  • the apparatus makes it possible to give a quantity of information which is extremely useful for studying the behavior of the rower and improving his technique: instantaneous real power, effective real power, developed force, comparison of the heart rate actual energy and effective energy developed by the rower during an on6ration cycle.
  • the device still allows the rower to work in synchronism with a metronome represented by the small diagram in FIG. 6, in which 341a is a variable resistor which makes it possible to adjust the frequency of the oscillating circuit 341 and, consequently, the frequency of the sound emitted by the vibrator 342 over a range of frequencies extending for example from 10 to 50 per minute.
  • the apparatus described also makes it possible to obtain another kind of very useful information which will now be described in connection with FIG. 4.
  • the assembly shown in FIGS. 11, 12 and 13 gives the means of objectively measuring the quality of the work of the rower
  • the display of this measurement is obtained in 353, thanks to the bridge 349.
  • this bridge comprises two strain gauges 349a, 349b which are incorporated in the detector 151.
  • 349c and 349d are two other resistors used for balancing the bridge.
  • 353 displays the momentary deviation, positive or negative, of part 101 compared to 149 (figures 11-13), which represents an indication of quality of work.
  • the force opposed to the rower by the hydraulic brake during the active stroke of the movable arms is constant.
  • This constant value is adjustable, but once the adjustment is made, the value of this force remains equal to itself.
  • the second embodiment which will now be described, aims to complete the apparatus according to the first embodiment, with a view, precisely, to solving this problem and to providing the user with this additional advantage.
  • FIGS. 14 to 16 differing from the first embodiment only in certain additional details, all the elements which are the same have not been reproduced in these figures. We have limited ourselves to representing and describing below what this second embodiment has in addition to that described with reference to FIGS. 1 to 13.
  • 121a, 122a the two half-shells of the body of the hydraulic brake inside which is fixed the fixed flap 126a.
  • the body 121a, 122a receives an alternating rotational movement of a mobile arm, not shown, actuated by the user - in the manner of a train, this arm acting on the shaft 127a secured to the body of the brake 121a, 122a.
  • a first device 401 serving as in the example of the prior application for adjusting the maximum force that the hydraulic brake offers to the rower.
  • a second device 402 is also provided in this body which serves to cause a progressive reduction in the mechanical resistance opposed to the rower by the hydraulic brake during each active stroke of the mobile arm actuated by the hands of the rower.
  • the device 401 has an inlet 403 for the liquid coming from the active chamber of the hydraulic brake represented in FIG. 1 and a needle 404 actuable by hand by a knurled head 405. This needle is used to vary from zero to a maximum value the passage section offered to the pressurized fluid entering at 403, to gain outlet 406.
  • the opening 407 arranged in parallel with 406 simply serves to purge the air which may be in the device when it is filled with liquid.
  • In 408 is a safety valve constituted by a ball subjected to the action of a spring and which serves to ensure the evacuation of the liquid under pressure by a channel 409 when the needle 404 being in the fully closed position, the pressure in 403 reaches a value which, for safety reasons, should not be exceeded.
  • This device completely corresponds to that described with reference to FIG. 9 of the previous cited application.
  • the device 402 is a drawer device comprising a fixed cylinder 410 inside which a piston 411 can slide.
  • a compression spring 412 bears on the one hand on the bottom of the passive chamber 413 of the drawer device and, d on the other hand, on the piston. This spring constantly urges the piston to occupy the position shown in the drawing, for which it completely masks a series of orifices 414 formed in the wall of the cylinder'410 and the cross section of which increases as seen in FIGS. 1 and 2.
  • In 415 is the arrival of the pressurized fluid coming from the active chamber of the hydraulic brake according to FIG. 1. This pressurized fluid acts on the piston 411 in the opposite direction to the action of the spring 412.
  • a leakage channel 416 controlled by a needle 417 actuable by means of a knurled head 418. It is understood that the more the passage section offered to the fluid for gaining the channel 416 is small, the greater the resistance offered to the displacement of the piston 411 under the effect of the pressure at 415.
  • the device 402 becomes inoperative and only the device according to FIG. 3 is active.
  • the operation of the device according to Figure 2 is as follows.
  • the rower begins an active stroke of the mobile arm acting as a paddle, the pressure rises in 415 to a maximum which depends on the adjustment of the needle 417.
  • the needle 417 being adjusted to ensure a certain cross-section of the fluid, the latter can leave chamber 413 as the piston 411 moves under the effect of the pressure prevailing in 415. In so doing, the pressure drops to 415 and, as a result, the resistance offered to the rower by the brake hydraulic according to figure 1, decreasing.
  • the rate of decrease can be adjusted as desired resistance offered to the rower.
  • the orifices 414 are holes of increasing diameter.
  • the main thing is that the passage section offered to the liquid for passing from 415 to 419 goes on increasing as the piston 411 advances, that is to say during the active stroke of the mobile arm. acting as a paddle.

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)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
EP80810207A 1979-06-29 1980-06-23 Apparatus for training rowers Withdrawn EP0022085A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH611179 1979-06-29
CH6111/79 1979-06-29
CH426780 1980-06-02
CH4267/80 1980-06-02

Publications (2)

Publication Number Publication Date
EP0022085A2 true EP0022085A2 (de) 1981-01-07
EP0022085A3 EP0022085A3 (en) 1981-02-04

Family

ID=25695090

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80810207A Withdrawn EP0022085A3 (en) 1979-06-29 1980-06-23 Apparatus for training rowers

Country Status (2)

Country Link
EP (1) EP0022085A3 (de)
ES (1) ES493265A0 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154456A (en) * 1984-02-21 1985-09-11 Ablec Ltd Exercising apparatus
GB2163965A (en) * 1984-03-07 1986-03-12 Maquina Sports Sa Gymnastic device
EP0214748A3 (en) * 1985-08-05 1988-08-03 Bally Manufacturing Corporation Improved rowing machine with video display
FR2630017A1 (fr) * 1988-04-19 1989-10-20 Feldis Jean Luc Dispositif de commande, de regulation et de mesure de transmission d'efforts, destine notamment a la reeducation et la musculation
US4984986A (en) * 1989-11-07 1991-01-15 Vohnout Vincent J Apparatus and method for training oarsmen
EP3257559A4 (de) * 2015-02-12 2018-10-17 Gabriel Orlando Fracaroli Juarez Zubehör für rudermaschinen

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2684545B1 (es) * 2017-03-30 2019-04-16 Univ Vigo Ergómetro de control de rendimiento para actividades acuáticas

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR985426A (fr) * 1943-10-27 1951-07-18 Machine à ramer
US3266801A (en) * 1964-10-26 1966-08-16 Bio Dynamics Inc Fluid operated rowing machine
US3643943A (en) * 1969-07-28 1972-02-22 Curtis L Erwin Jr Exerciser with work-indicating mechanism
US4050310A (en) * 1976-03-17 1977-09-27 Keiser Dennis L Exercising apparatus

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154456A (en) * 1984-02-21 1985-09-11 Ablec Ltd Exercising apparatus
GB2163965A (en) * 1984-03-07 1986-03-12 Maquina Sports Sa Gymnastic device
EP0214748A3 (en) * 1985-08-05 1988-08-03 Bally Manufacturing Corporation Improved rowing machine with video display
FR2630017A1 (fr) * 1988-04-19 1989-10-20 Feldis Jean Luc Dispositif de commande, de regulation et de mesure de transmission d'efforts, destine notamment a la reeducation et la musculation
US4984986A (en) * 1989-11-07 1991-01-15 Vohnout Vincent J Apparatus and method for training oarsmen
GB2238001A (en) * 1989-11-07 1991-05-22 Vincent Joseph Vohnout Apparatus and method for training oarsmen
GB2238001B (en) * 1989-11-07 1993-07-14 Vincent Joseph Vohnout Apparatus and method for training oarsmen
EP3257559A4 (de) * 2015-02-12 2018-10-17 Gabriel Orlando Fracaroli Juarez Zubehör für rudermaschinen

Also Published As

Publication number Publication date
EP0022085A3 (en) 1981-02-04
ES8102469A1 (es) 1981-02-16
ES493265A0 (es) 1981-02-16

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