WO2007065255A1 - Appareil de simulation de levage de poids - Google Patents

Appareil de simulation de levage de poids Download PDF

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Publication number
WO2007065255A1
WO2007065255A1 PCT/CA2006/001980 CA2006001980W WO2007065255A1 WO 2007065255 A1 WO2007065255 A1 WO 2007065255A1 CA 2006001980 W CA2006001980 W CA 2006001980W WO 2007065255 A1 WO2007065255 A1 WO 2007065255A1
Authority
WO
WIPO (PCT)
Prior art keywords
guideway
primary
load resistant
slider
cylinder
Prior art date
Application number
PCT/CA2006/001980
Other languages
English (en)
Inventor
Joseph Kolomeir
Original Assignee
Joseph Kolomeir
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 US11/293,374 external-priority patent/US20070129222A1/en
Application filed by Joseph Kolomeir filed Critical Joseph Kolomeir
Priority to DE602006020170T priority Critical patent/DE602006020170D1/de
Priority to AT06817693T priority patent/ATE498434T1/de
Priority to CA2631984A priority patent/CA2631984C/fr
Priority to EP06817693A priority patent/EP1960062B1/fr
Publication of WO2007065255A1 publication Critical patent/WO2007065255A1/fr

Links

Classifications

    • 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
    • A63B21/0083—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 of the piston-cylinder type
    • 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
    • A63B21/00058—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
    • A63B21/00072—Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve by changing the length of a lever
    • 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
    • A63B21/0087—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 of the piston-cylinder type
    • 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
    • A63B21/15—Arrangements for force transmissions
    • A63B21/151—Using flexible elements for reciprocating movements, e.g. ropes or chains
    • A63B21/154—Using flexible elements for reciprocating movements, e.g. ropes or chains using special pulley-assemblies
    • 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
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4041—Interfaces with the user related to strength training; Details thereof characterised by the movements of the interface
    • A63B21/4047—Pivoting movement
    • 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
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4041—Interfaces with the user related to strength training; Details thereof characterised by the movements of the interface
    • A63B21/4043—Free movement, i.e. the only restriction coming from the resistance
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/0355—A single apparatus used for either upper or lower limbs, i.e. with a set of support elements driven either by the upper or the lower limb or limbs
    • A63B23/03558—Compound apparatus having multiple stations allowing an user to exercise different limbs
    • A63B23/03566—Compound apparatus having multiple stations allowing an user to exercise different limbs the multiple stations having a common resistance device

Definitions

  • the present invention relates to weight lifting simulator apparatus for exercise or therapeutic use.
  • Weight lifting simulator apparatus of conventional form includes the provision of weights giving a resistance loading, which may be varied by selection, for a user who activates the apparatus using a gripping handle operating on a cable and pulley or lever mechanism. It is also known to employ such simulator apparatus that includes either a resistance arrangement on its own, being either elastic, pneumatic or the like, or in combination with weights. Examples of such apparatus are disclosed in US Patent application publication No. US 2003/0115955 to Keiser, which comprises a compact resistance unit that houses a pneumatic cylinder providing resistance through a block-and- tackle mechanism to a handle operable by a user. US Patent application publication No. US 2005/0032612 to Keiser describes a combined weight and pneumatic resistance exercise apparatus. US Patent No.
  • the weight lifting simulator apparatus includes a typically controllable dynamic inertial effect simulation of weight displacement in addition to a static inertial effect; the dynamic inertia effect being increased, this increase being dependent on the speed of the activation movement of the apparatus.
  • the apparatus enables, through a relatively simple mechanism, simulation of weight lifting with a control of the amount of dynamic inertial effect, from constant force with negligible inertial effect all along its extension path to a more real inertial effect feel of the weight as found in conventional weight lifting apparatuses using real physical weights.
  • An advantage of the present invention is that the apparatus is of compact design and construction using elastic or pneumatic technology, and preferably compressible elastic fluid technology for the simulation of weight resistance without the use of active compressor.
  • Another advantage of the present invention is that the apparatus allows a ready control and modulation of the weight resistance and/or the dynamic weight inertia effect simulation by simple manipulation of the configuration.
  • a weight lifting simulator apparatus comprising a frame, a guideway pivotally mounted on the frame for activation by a user, a primary load resistant member having generally opposed first and second primary ends respectively movably mounted on the frame and pivotally and adjustably securable to the guideway at a desired position therealong, at least one secondary load resistant member having generally opposed first and second secondary ends respectively mounted in pivoting fashion in relation to and adjacent the second primary end and connected to a slider associated with and movable relative to the guideway so as to remain substantially perpendicular thereto, the primary and secondary load resistant members being operatively interconnected in such manner as to provide a generally constant resistance with dynamic weight inertial effect upon activation of the guideway by the user, whereby in use upon activation of the guideway the user encounters a dynamically reduced resistance for increased weight inertial effect from both the primary and secondary load resistant members after initial activation of the guideway depending on the displacement speed thereof.
  • the first primary end is pivotally mounted on the frame and the second secondary end is pivotally mounted on the slider.
  • the primary and secondary load resistant members are fluid actuatable cylinders, and typically pull-type load resistant members.
  • the primary and secondary cylinders are fluidly interconnected in such manner as to constantly provide a uniform internal pressure therein.
  • two secondary cylinders are provided, and mounted in parallel relative to one another.
  • a clamp is provided for the securement of the second primary end to the guideway.
  • a stepped adjustment mechanism is provided for the securement of the second primary end to the guideway.
  • the stepped adjustment mechanism is in the form of a rack, eventually arcuate, with a resiliently-loaded detent engageable with the interstices of the rack, and the resiliently-loaded detent is remotely operable by means of a cable actuable upon the detent.
  • the stepped adjustment mechanism includes a scalloped, typically arcuate, slot formed in the guideway, a cam-operable roller engageable with a selected one of the scallops in the slot.
  • the cam-operable roller is carried on a yoke having a bridge with a bridge collar mounted adjacent the second primary end, and a fixed collar connected adjacent to the first primary end having pivotally mounted thereon a lever carrying a cam operable upon the bridge collar of the yoke, whereby in use operation of the lever and the cam moves the cam-operable roller into or out of engagement with a scallop in the guideway slot.
  • the slider associated with the guideway includes at least one roller or a linear type bearing engageable with the guideway.
  • the second secondary end is pivotally mounted on a pivot axis substantially intersecting a sliding axis of the slider moving relative to the guideway.
  • the secondary load resistant member is further attached to the primary load resistant member in sliding manner through the agency of a mount providing for resiliently-biased linear movement and secured to and adjacent the second primary end so as to further dynamically increase weight inertia) effect from both the primary and secondary load resistant members after initial activation of the guideway depending on the displacement speed thereof.
  • the guideway is pivotally mounted on the frame at a pivot axis and the linear movement is along a linear movement axis oriented towards the guideway in a direction away from the pivot axis relative to the first secondary end.
  • the linear movement axis is angularly adjustable relative to the guideway for adjustment of the dynamically increased weight inertial effect from the secondary load resistant member.
  • the apparatus further includes a user handle connected to the guideway for activation thereof by the user.
  • a cable member and pulley arrangement connects the handle to the guideway.
  • the handle is mounted on an extension of the guideway extending longitudinally away from a pivot axis thereof.
  • the second secondary end is either fixably or movably mounted on the slider.
  • the first primary end slidably mounted on a guide rail of the frame so as to be virtually pivotally mounted on the frame.
  • the second primary end is pivotally and adjustably securable to the guideway along an arcuate guide; and conveniently, the arcuate guide has a gradually decreasing radii curve shape about a pivot mounting point of said first primary end when leading away from a neutral position thereof in which said primary and secondary load resistant members are generally parallel to one another.
  • Figure 1 is a simplified top perspective view of a weight lifting simulator apparatus in accordance with an embodiment of the present invention, showing the main cylinder positioned in a heavy-load simulation in an extended configuration;
  • Figure 2 is a partially broken and enlarged perspective view of the embodiment of Figure 1 , showing the main cylinder in a contracted configuration;
  • Figure 3 is a view similar to Figure 2, showing the main cylinder in an extended configuration, in a light-load simulation;
  • Figure 4 is a view similar to Figure 3, showing the main cylinder in a contracted configuration
  • Figure 5 is a simplified side elevational view of another embodiment of the present invention with the cylinder assembly mounted up side down;
  • Figure 6 is a partially broken and enlarged side view of the embodiment of Figure 5;
  • Figure 7 is a view similar to Figure 6, showing another embodiment of the present invention.
  • Figure 8 is an enlarged section view taken along line 8-8 of Figure 7;
  • Figure 9 is a view similar to Figure 7, showing another embodiment of the present invention.
  • Figure 10 is a view similar to Figure 1 , showing another embodiment of the present invention with the main cylinder movably mounted on the fame with a virtual pivot point;
  • Figures 11a through 11d are enlarged broken views, showing different embodiments of the attachment of the secondary cylinder(s) to the slider.
  • Figures 12a and 12b are enlarged broken views similar to the embodiment of Figure 7, schematically showing the relative force required from a user to position the main cylinder along the guideway away from a neutral position thererof, with the guideway arcuate guide following a constant radii curve and a gradually decreasing radii curve when leading away from the neutral position, respectively.
  • FIG. 1 to 4 there is shown a generally rectangular frame 2 of a weight lifting simulator apparatus 1 , a guideway 4, or arm, being pivotally mounted thereon at pivot 6 on a side limb 8 thereof for rotation about a pivot axis between two limit angular positions (one position limiting stopper being the piston rod 18 fully retracted inside the cylinder 14 as detailed hereinbelow and shown in Figures 2, 4, 7, 8 and 9, the other being shown in Figure 9 in dotted lines).
  • one position limiting stopper being the piston rod 18 fully retracted inside the cylinder 14 as detailed hereinbelow and shown in Figures 2, 4, 7, 8 and 9, the other being shown in Figure 9 in dotted lines).
  • the free end of the guideway 4 remote from its pivot 6 either pivotally carries a block-and-tackle arrangement diagrammatically depicted at 10, the arrangement 10 being connected to a suitable actuating handle 5 (see Figure 5) via a rope or cable 12, or is provided with a longitudinal extension 4' and handle 5' (shown in dotted lines in Figure 1) of the guideway 4 away from the pivot 6, for a user.
  • a primary load resistant member typically a pneumatic cylinder 14 is movably, preferably pivotally, mounted at a first primary end 16 on the frame 2 as illustrated with its primary second end or piston rod 18 pivotally carrying a clamp 20, adjacent pivot 19, for registration with the guideway 4 at any desired and selected position therealong.
  • twin secondary load resistant members, typically pneumatic cylinders 30 are provided and have a first secondary end pivotally attached to a collar 32 for pivotal connection with and adjacent the end of the piston rod 18.
  • the second secondary ends or piston rods 34 of the cylinders 30 are attached or connected, either fixedly or movably (see Figures 11a to 11d and corresponding details hereinbelow) and typically pivotally mounted, to a yoke in the form of a slider 36 bridging the guideway 4 and being slidable therealong, typically using a linear type bearing or the like.
  • a pivot axis 35 of the secondary piston rods 34 is generally perpendicular and typically as close as possible to the sliding axis of the slider 36 for increased smoothness in the sliding motion, as shown in Figures 1 through 9.
  • the pivot axis 35 generally intersects the sliding axis of the slider 36.
  • the slider 36 allows the secondary cylinders 30 to remain substantially perpendicular to the guideway 4 during pivotal displacement thereof.
  • the primary and secondary cylinders 14, 30 are typically fluidly interconnected, to generally keep all internal pressures uniform, by suitable hoses 40 which typically unite in a pressure control or fill/purge valve 42, such as a typical bicycle fill valve or the like, to eventually allow selective modification of the total amount of fluid, or fluid pressure, inside the cylinders 14, 30.
  • a pressure control or fill/purge valve 42 such as a typical bicycle fill valve or the like
  • the filling of the cylinders 14, 30 could be performed via a conventional manually or power activated pump.
  • more sophisticated pump mechanisms with predetermined pressure levels could also be considered without departing from the scope of the present invention; the more fluid there is inside the cylinders the more resistive the created force will be.
  • the apparatus 1 has the guideway 4 in its maximum upward angular displacement or extension such that the primary cylinder 14 has had its piston as "fully extended” as possible by a user employing the block-and- tackle 10 and the rope 12, which is accordingly taut.
  • the cylinder 14, which obviously still has a minimum volume of air therein, is in a heavy load simulation with the clamp 20 secured near the free end of the guideway 4 and the slider 36 of the secondary cylinders 30 having moved towards side limb 8 with their collar 32 locked to the rod 18 to remain substantially perpendicular to the guideway 4.
  • This relative movement occasions free fluid interflow between the primary and secondary cylinders 14 and 30 thereby distributing the resistive force and providing a generally constant resistance to the user.
  • FIG. 2 shows the cylinder 14 in a contracted (seating) position corresponding to a resting configuration of the apparatus 1 ensured by the built-in pressure inside the cylinders.
  • the rope or cable 12 is released by the return stroke of the user with the handle 5 (as shown in Figure 5) up to an abutment position against a stopper or the like (not shown) that could also be the handle 5 itself or even protectors thereof that would be blocked by the first pulley it encounters or the like.
  • the slider 36 of the secondary cylinders 30 has moved along the guideway 4 towards the block- and-tackle 10, and this reciprocating movement is repeated as the user moves the rope 12 into a heavy load and then into a return or release position.
  • Figures 3 and 4 show the clamp 20 in a different position nearer to the pivot 6 of the guideway 4 with the rod 18 extended to a smaller extent than in Figures 1 and 2.
  • the close position of the clamp 20 provides for a smaller lever length to the cylinder 14 on the guideway 4, associated with a smaller range of travel of the piston in the primary cylinder 14, give a lower resistance weight loading simulation.
  • the interflow of air between the cylinders with the sliding of the piston rods 34 on the guideway 4 provides for a balancing of force that gives a smooth and constant application of load resistance with dynamic weight inertia effect.
  • the primary cylinder 14 is pivotally attached to an upper region 50 of the apparatus 1 and the guideway 4 is pivoted at 6 in a relatively lower region 51 of the apparatus.
  • the clamp 20 is in the form of a spring-loaded detent 52 registering and engaging with a rack 54 of arcuate form provided in a slot 56 within the guideway 4.
  • the detent 52 is actuable by means of a wire or cable 58 and accordingly resetting the detent 52 in a recess of the rack will change the resistance loading of the primary cylinder 14 as with the first embodiment of Figures 1 to 4.
  • the clamp 20 is pivotally carried by an arm 53 which is attached to the piston rod 18 of the primary cylinder 14.
  • the slider 36 of the secondary cylinders 30 engages the guideway 4 in the manner shown in the drawings; the secondary cylinders 30 are connected in a similar manner to a collar (not shown) pivotally mounted on the piston rod 18.
  • the guideway 4 carries at the free end remote from its pivot 6 a pulley 60 which is one of an array 70 of pulleys provided for the apparatus 1 as shown.
  • the cable 12 is reeved around the pulley 60 and upon appropriate movement of the cable the guideway 4 is caused to pivot about its mounting at 6.
  • a pull on the cable causes tension therein and brings the guideway 4 into a downward path thus generating resistance via the compressed fluid in the primary and the secondary cylinders 14, 30 which are balanced due to the fluid flow therebetween via the hoses 40.
  • the advantage of the arrangement is as previously indicated in relation to the first embodiment. However, the setting of the primary cylinder orientation relative to the guideway is fixed by virtue of the rack, which provides for predetermined incremental steps to give discrete modulation.
  • FIG. 7 and 8 there is shown a variation on the embodiment illustrated in Figures 5 and 6 in that the guideway 4 is in two parts 4a and 4b generally parallel to each other; the slot 56 is formed in each part and is of scalloped form on its relatively upper margin, each scallop 72 being so shaped as to accommodate a roller 74 carried on a yoke 76 which embraces both parts as more clearly can be seen in Figure 8.
  • a bridge piece 78 of the yoke 76 is mounted on the piston rod 18 also connected to a collar 80 mounted thereon.
  • a fixed collar 82 is provided on the cylinder 14 and carries an actuating lever 84 with a cam 86 that abuts the collar 80 when the apparatus 1 is in the resting configuration with primary cylinder 14 in a substantially contracted configuration, rotation of the lever and thus the cam occasioning movement of the yoke 76 to engage or disengage the rollers 74 in a respective scallop 72 as desired to change the setting and to fix the rollers in the required setting.
  • the slider 36 comprises spool type rollers 90 which engage the lower side of each of the parts 4a and 4b as can be seen in Figure 8.
  • the pivot mounting 19 of the piston rod 18 would typically coincide with the axis of rollers 74 while the pivot 35 of the piston rods 34 would typically coincide with the rotation axis of the rollers 90.
  • the operation of this embodiment is essentially the same as that of the previous embodiment except that the setting of the primary cylinder is effected by the interengagement of the rollers 74 with the scallops 72 in contrast to the rack formation and the locking of the setting is secured by the use of a cam operated lever arrangement.
  • Figure 9 depicts a variation of the embodiment of Figure 7 in terms of the connection mount between the primary and secondary cylinders 14 and 30.
  • the connection 100 provides for a linear displacement of the secondary cylinder(s) 30 relative to the rod 18 with a resilient bias giving a damping effect.
  • the connection 100 comprises a slideway bracket 104, tightly secured to the rod 18 at 102, holding a pin 106 on which the end 108 of the cylinder(s) 30 slides reciprocally, as shown by the straight arrow Y, as much as possible in a frictionless manner, typically via a linear bearing or the like.
  • a spring 110 is provided on the pin 106 and thus gives a bias to the end of the cylinder(s) 30.
  • the end 108 of the cylinder(s) 30 is pivotally mounted relative to the pin 106 as shown by arrow X.
  • the pin 106 has its axis 107 (linear movement axis) that is typically angularly oriented towards the guideway 4 in a direction away from the pivot axis relative to the cylinder(s) 30, or towards the free end of the guideway 4 when the latter is in its limit angular position away from the main cylinder 14, as shown by angle T of Figure 9 with the limit angular position of the guideway 4 shown in dotted lines.
  • connection 100 is to further dynamically increase the weight inertial effect of the load simulator by increasing the simulation of the weight reduction feeling occurring during the lifting movement when lifting real weight bars, depending on the speed of the movement.
  • the secondary cylinder(s) 30 always tends to remain generally perpendicular to the guideway 4 while contracting as much as possible, thus having the first secondary end or cylinder(s) 30 slide toward the spring 110 upon lifting movement because of the angle of the pin axis 107.
  • the biasing spring 110 is there to bias this displacement and prevent any shock that could occur, especially at the end of the linear displacement path along the pin 106.
  • the angular position of the mount connection 100 relative to the piston rod 18 can be adjusted, preferably incrementally, via an adjustment mechanism 102 such as a tightening bolt or the like, to control the additional dynamic weight inertia effect of the apparatus 1 provided by this connection 100.
  • an adjustment mechanism 102 such as a tightening bolt or the like
  • the overall advantage of the present invention is to simulate weight lifting apparatus by the use of pneumatic cylinders with free interflow of air thus facilitating the achievement of constancy in terms of resistance.
  • FIG 10 there is shown another embodiment 1a of the apparatus of the present invention in which the first primary end 16 of cylinder 14 is movably, typically slidably and non-pivotally, mounted on an arcuate guide rail 3 secured to the frame 2.
  • the guide rail 3 provides for circular displacement of the first primary end about a virtual pivot 16' such that the primary load resistant member is virtually pivotally mounted on the frame.
  • This mounting allow the use of a shorter primary cylinder 14, yet with similar volume as the long primary cylinder of Figures 1 through 9, i.e. similar reservoir, without affecting the weight lifting simulation characteristics of the apparatus 1a.
  • the second secondary ends or piston rods 34 could be connected in different ways to the slider 36, as shown in Figures 11a through 11d, as examples.
  • the rods 34 are fixedly mounted on the slider 36 via securing bolts 37a to restrain the dynamic weight inertia effect from the sliding motion of the slider 36.
  • the dynamic weight inertia effect is slightly enhanced by the rods 34 being slidably mounted, in a direction typically parallel to the slider displacement direction, on the slider 36 via a slot-square shaft arrangement 37b or the like, the arrangement providing a smooth (not jerked) sliding.
  • the rods 34 movably mounted on the slider 36 via flexible links such as a rubber-type piece 37c, a helical spring 37d, respectively, or the like flexible arrangement, further enhance the dynamic weight inertia effect to the apparatus 1 from the sliding motion of the slider 36.
  • FIG 12a there is schematically shown the relative force Fu required from a user to position the second primary end (piston rod 18) of the primary cylinder assembly 14 along the guideway 4 away from a neutral position N, with the arcuate guideway slot 56 (or any other arcuate guide or the like) having a smooth upper margin 57 rollably engaged by the roller 74 whose pivot axis 19 is further a pin or the like that lockingly engages one of the different position holes 75 following a generally constant radii curve C about the first primary end pivot point 16 when leading away from the neutral position N wherein the primary and secondary cylinders 14, 30 are generally parallel to one another (as shown in dotted lines in Figures 12a and 12b), since the secondary cylinder 30 tends to remain into the neutral position with force Fs.
  • the guideway slot 56' is preferably shaped with a gradually decreasing radii curve C, about the first primary end pivot point 16, when leading away from the neutral position N, as illustrated in solid lines (relative to dotted lines) in Figure 12b.
  • This decreasing radii curved slot 56', with corresponding position holes 75', essentially compensates for the retention force Fs exerted by the secondary cylinder 30 by allowing the primary cylinder 14 to contract while the secondary cylinder 30, operatively or fluidly interconnected to the primary cylinder 14, is forced to expand and pulls with force Fp while getting away from the neutral position N.
  • the force Fp exerted by the primary cylinder 14 could happen to be slightly larger than the resistive force Fs from the secondary cylinder 30 such that the user's force Fu' could be negative (in the opposite direction than illustrated in Figure 12b).
  • the neutral position N could be anywhere along the arcuate guide, or even away therefrom (virtually out of the guideway 4), and not necessarily at its geometrical center.
  • the gradually decreasing radii curve C could be formed with a constant smaller radii about a point located closer to the guideway 4 than the first primary end pivot point 16.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Actuator (AREA)
  • Manipulator (AREA)

Abstract

Appareil (1) de simulation de levage de poids comprenant un vérin primaire (14) pneumatique produisant la résistance principale simulant l'exercice de levage de poids, au moins un vérin secondaire (30) en interconnexion de fluide libre avec le vérin primaire (14) afin d'obtenir une charge constante et équilibrée, des moyens pour simuler dynamiquement les effets d'inertie du poids et un moyen de commande desdits moyens, comme dans le levage d'un poids réel. Les vérins primaire (14) et secondaire (30) sont associés à un rail (4), le vérin primaire (14) étant fixé au rail (4) et le vérin secondaire (30) pouvant glisser par rapport au rail (4) et pouvant pivoter par rapport à la tige (18) de piston du vérin primaire (14). Une modification de la position de fixation du vérin primaire (14) sur le rail (4) est possible et un clapet (42) est disposé dans l'interconnexion de fluide.
PCT/CA2006/001980 2005-12-05 2006-12-05 Appareil de simulation de levage de poids WO2007065255A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE602006020170T DE602006020170D1 (de) 2005-12-05 2006-12-05 Gewichthebesimulatorvorrichtung
AT06817693T ATE498434T1 (de) 2005-12-05 2006-12-05 Gewichthebesimulatorvorrichtung
CA2631984A CA2631984C (fr) 2005-12-05 2006-12-05 Appareil de simulation de levage de poids
EP06817693A EP1960062B1 (fr) 2005-12-05 2006-12-05 Appareil de simulation de levage de poids

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11/293,374 2005-12-05
US11/293,374 US20070129222A1 (en) 2005-12-05 2005-12-05 Weight lifting simulator apparatus
US11/434,169 2006-05-16
US11/434,169 US20070129223A1 (en) 2005-12-05 2006-05-16 Weight lifting simulator apparatus

Publications (1)

Publication Number Publication Date
WO2007065255A1 true WO2007065255A1 (fr) 2007-06-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2006/001980 WO2007065255A1 (fr) 2005-12-05 2006-12-05 Appareil de simulation de levage de poids

Country Status (5)

Country Link
US (1) US20070129223A1 (fr)
EP (1) EP1960062B1 (fr)
AT (1) ATE498434T1 (fr)
CA (1) CA2631984C (fr)
WO (1) WO2007065255A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
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EP1960062B1 (fr) 2011-02-16
EP1960062A1 (fr) 2008-08-27
US20070129223A1 (en) 2007-06-07
CA2631984C (fr) 2014-06-17
ATE498434T1 (de) 2011-03-15
EP1960062A4 (fr) 2010-02-03
CA2631984A1 (fr) 2007-06-14

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