EP1522331A1 - Extenseur pneumatique - Google Patents

Extenseur pneumatique Download PDF

Info

Publication number
EP1522331A1
EP1522331A1 EP03022755A EP03022755A EP1522331A1 EP 1522331 A1 EP1522331 A1 EP 1522331A1 EP 03022755 A EP03022755 A EP 03022755A EP 03022755 A EP03022755 A EP 03022755A EP 1522331 A1 EP1522331 A1 EP 1522331A1
Authority
EP
European Patent Office
Prior art keywords
pneumatic
control
control valve
expander according
pneumatic expander
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Withdrawn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
EP03022755A
Other languages
German (de)
English (en)
Inventor
Rolf Eigeldinger
Hans-Jürgen Neher
Wolfgang Skobjin
Dieter Waldmann
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.)
Festo SE and Co KG
Original Assignee
Festo SE 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
Application filed by Festo SE and Co KG filed Critical Festo SE and Co KG
Priority to EP03022755A priority Critical patent/EP1522331A1/fr
Publication of EP1522331A1 publication Critical patent/EP1522331A1/fr
Withdrawn legal-status Critical Current

Links

Images

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
    • A63B21/00058—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
    • A63B21/0004—Exercising devices moving as a whole during exercise
    • 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
    • A63B21/0087—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
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4027—Specific exercise interfaces
    • A63B21/4033—Handles, pedals, bars or platforms
    • A63B21/4035—Handles, pedals, bars or platforms for operation by hand
    • 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
    • A63B21/4045—Reciprocating movement along, in or on a guide
    • 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
    • A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances

Definitions

  • the invention relates to a pneumatic expander, so a Sports equipment that is comparable to a conventional expander can be used, but based on pneumatic action.
  • Expanders are sports equipment that are mainly used to strengthen the Musculature used in the upper body area.
  • conventional Expanders are with mechanical springs or spring bands equipped, which pulled apart by means of suitable handles or can be compressed, with one build up to be overcome counterforce.
  • a disadvantage of these known designs is the usually very steep spring characteristic, which has the consequence that the applied force constantly fluctuating between zero and a very high value, which a beneficial for the physique, uniform application opposes.
  • the present invention has set itself the task, a comparable to a conventional expander deployable To provide sports equipment that in compact dimensions and easy handling provides increased training results.
  • a pneumatic expander with a main body, with two operating units, the manually adjustable relative to the main body to in at least one operating mode of the expander in at least an air storage chamber to compress air, and with a Control valve device, the default for different Operating modes of the expander in different, each without Energy supply stable maintained switching states can be brought is.
  • Such a pneumatic expander has the advantage that it can be interpreted in a way that the one exercising Person to be applied adjusting forces only a little vary.
  • an acting as an air spring air volume of suitable size Provide that when moving the operating units is compressed, the pressure increase and the increase in the self-building counterforce by appropriate constructive Design of the equipment parameters at a low level can be kept.
  • the control valve device can if necessary or, for example, based on an integrated control program different operating modes of the expander specified become.
  • At least one operating mode is for the setting of the device at initial start-up by a person possible and can, for example, under Consideration of the training state of the user, various Training modes are provided. From The advantage here is that for the different operating modes responsible switching states of the control valve device by a corresponding embodiment of the same be kept stable without energy supply until a new status change desired or specified becomes. This measure causes a greatly reduced energy consumption and also provides for a use as a mobile device for a very long service life.
  • main housing Inside the main housing are preferably several Housing chambers containing the at least one air storage chamber and two working chambers associated with the actuating units form, wherein the air storage chamber via the control valve device with the two working chambers to specify different Operating modes variably pneumatically linkable is.
  • the control valve device is expediently located in a housing chamber of the main body. There is a possibility Components of the main housing immediately the Impose function as a housing of the control valve device.
  • the main housing is expediently with a control unit equipped with display, control and / or electronic Control means has.
  • the electronic control means may include a control program, for example time-dependent or depending on the training progress a predetermined variation of the switching state of the control valve device causes.
  • the display means may, for example serve, duration and success of the training session to visualize.
  • control valve device so train that switching between the individual Switching states must be done manually. This allows the Realization of a device, which in extreme cases completely without electrical energy gets by.
  • the required settings can for example be made on the basis of a training table become.
  • control valve means for electrically activated switching between formed the individual switching states.
  • an electric motor having a drive device be provided. Because the electrical energy However, only needed to switch, and not to Maintaining the switched-on switching state, ranges the usual capacity of portable energy sources, for example Batteries or rechargeable batteries, for a very long service life of the device.
  • control valve device is expediently equipped with one or more control valves, after the change of their switching state the maintain new switching state without further energy supply.
  • This can be described as a passive switching position. feasible
  • this would be through the use of one or more several slide valves, the or all required valve functions includes or include.
  • the energy consumption here is limited only to the actual positioning movement.
  • control valve device is provided with a plurality of control valves equipped to specify the desired Switching states with different switching patterns can be actuated are.
  • control valves are suitable for such a design with a 2/2 valve functionality, too characterized by a very simple structure.
  • the control valves has the existing drive device suitably one according to the desired switching patterns coded actuator, which in different Control positions can be positioned in which it, the respectively effective switching pattern accordingly, with the valve members the control valves cooperates. In this way, for example realizes a linear or rotary cam control become. In any case, the energy consumption is limited even with such a design only on the short-term Actuating movement of the coded actuator.
  • motion coupled with the valve members Actuator is the actuator preferably formed slider-like and for positioning rectangular in the different control positions to the adjustment of the valve members on the with these motion-coupled drive ram movable.
  • the pneumatic expander expediently has position detection means for recording the control positions of the actuator.
  • control valves are preferably 2/2-way poppet valves, the spring loaded in a basic position are biased from which they come through the actuator at appropriate activation are deflected.
  • pneumatic Expander is for training purposes, in particular for muscle building, usable sports equipment, by the user usually operated with two hands.
  • the expander has an elongate main housing 2, whose Longitudinal axis is indicated by dash-dotted lines at 3, and two Actuators 4a, 4b, both in the direction of the longitudinal axis 3 relative to the main housing 2 adjustable and in particular are displaceable.
  • the actuators 4a, 4b especially in each other opposite each other Directions are moved so that they are either different from each other remove or approach each other. Your possible movements, which run parallel to each other, are at 5a, 5b by Double arrows indicated.
  • the main housing 2 has a designed as a hollow body elongated central part 6, to the front side under sealing two housing cover 7a, 7b are attached.
  • the central part 6 has tubular character and is of several linearly extending Passed through channels 8, parallel to the longitudinal axis of the third are aligned and to the two end faces 12a, 12b of the Open the central part 6.
  • the estuaries are there through the covered two housing cover 7a, 7b, so that the environment closed housing chambers 13 result in the Longitudinal direction of the main housing 2 and run in this are arranged alongside each other.
  • Two preferred immediately form juxtaposed housing chambers 13 a first and a second working chamber 14a, 14b.
  • Another Housing chamber 13 forms an air storage chamber 15.
  • a fourth housing chamber 13 acts to accommodate a yet to be explained control valve means 17 and is therefore referred to as control chamber 16.
  • housing chambers would be 13 possible. In this way, for example, several mutually parallel air storage chambers are defined.
  • the two actuating units 4a, 4b are preferably identical educated. They enforce each under sealing one of the two housing cover 7a, 7b and dive coaxial in one of the two working chambers 14a, 14b, so that they accordingly as first and second actuator units 4a, 4b be designated.
  • Each actuating unit 4a, 4b has a seal slidably disposed in the associated working chamber 14a, 14b Compression plunger 18. This one engages an actuating rod 22, which the associated housing cover 7a, 7b interspersed and outside of the main housing. 2 is provided with a force introduction portion 23. With him it is in particular an ergonomically designed Handle that can be grabbed with one hand, around the to perform the movements 5a, 5b required actuating forces to be able to raise.
  • the compression piston 18 is a respective working chamber 14a, 14b in one of the actuating rod 22 opposite front compression space 24 and one of the operating rod 22 enforced, the associated force introduction section 23 facing rear compression space 25th divided.
  • This control valve device 17 in turn communicates via a likewise running in the housing 26 Fluid channel 27 'with the air storage chamber 15th
  • control valve device 17 pneumatically linkable.
  • the type of link determines the current operating mode pneumatic expander.
  • the control valve device is preferred 17 designed so that they are different from the default Operating modes of the expander in different Switching states can be spent.
  • the design is included in particular so made that the control valve device 17 each set switching state without power supply stable retains. This allows a very energy efficient Operation, which the intended use of the pneumatic Expanders as a mobile device is extremely conducive, because for wireless operation, the capacity on board Energy storage 28 a long service life without replacement or reloading.
  • At least one energy storage 28 expediently together with the control valve device 17 in the Control chamber 16. He can, however, readily to others Be accommodated in a place, for example in one closed by a lid 32 compartment one in the area the outer circumference of the main housing 2 provided operating unit 33rd
  • control valve device 17 is suitably a self-supporting unit in which its components compact are summarized. She has an oblong, slim design and can thus optimally in the control chamber 16 are housed. In the embodiment is she with her one end face to a mounting interface 46 on the inner surface of the associated first housing cover 7a flanged.
  • the actuator units 4a, 4b lie close to each other.
  • the working chambers have in cross section preferably straight longitudinal sides and rounded narrow sides.
  • the main housing 2 has an oval or elliptical Cross-section.
  • the air storage chamber 15 and the control chamber 16 are expediently in the region of the two main vertices placed and flank the two working chambers 14a, 14b on opposite longitudinal sides.
  • the working chambers 14a, 14b expediently in such an angular manner in the interior of the main housing 2, that their main extension planes 34a perpendicular to the major axis 35 of the main body section run.
  • the longitudinal axes of the two actuator units 4a, 4b lie in one of the two main extension planes 34a, 34b right-angled plane 39 leading to the main axis 35 runs parallel spaced.
  • the described oval or elliptical cross-sectional shape refers in the embodiment of both the central part 6 and the two housing cover 7a, 7b. Latter could possibly also have a different one Have shape.
  • the central part 6 is expediently to a hollow profile element produced by extrusion becomes. It consists in particular of aluminum material. In the Manufacture can both the housing chambers 13 and the also over the entire length extending receiving recess 36 and at least partially the fluid channels 27th be formed directly. This allows a very cost effective Production.
  • the operating unit 33 has, for example, as buttons or Switch running means 38, via which the device einund can be turned off and the corresponding equipment allow a manual preselection of certain operating modes.
  • the control unit 33 has at Embodiment formed by an alphanumeric display Display means 42, for example, the current operating mode, show the training progress or other data can.
  • the operating unit 33 is preferred equipped with electronic control means 43 that control the operation monitor and in particular able are a particular, by a contained control program Training sequence in conjunction with a suitable control the control valve device 17 pretend.
  • the pneumatic expander be designed so that it has only one operating mode, it is in favor of an optimal training result very advantageous if given different operating modes can be used with this requirement in conjunction with a variable pneumatic linkage between the at least an air storage chamber 15 and the two drive chambers 14a, 14b is realized.
  • the pneumatic connection takes place the control valve device 17 with the two working chambers 14a, 14b and the air storage chamber 15 into the housing wall the main housing 2 integrated fluid channels 27, 27 ', so no external fluid lines required are.
  • a particularly convenient linkage is when Embodiment given and is also from the schematic Functional diagram of Fig. 4 clearly in which the Control valve device 17 by a dashed frame is indicated.
  • the link is in particular chosen so that the two front compression spaces 24 fluidly connected to each other via a first channel system 44 and connected together to the control valve device 17 while simultaneously the two posterior compression chambers 25 via a second channel system 45 in turn fluidly connected to each other and also together the control valve device 17 are connected.
  • the along the working chambers 14a, 14b extending channel sections are preferably in the transition region formed between the two working chambers 14a, 14b and extend together in a channel plane 48 which is parallel aligned to the main extension planes 34a, 34b is.
  • these channel sections in Fig. 2, however, on opposite one another Pages of the two working chambers 14a, 14b located.
  • a course of the canal would certainly be possible in practice also possible.
  • the pneumatic expander is designed so that by a reciprocating reverse displacement of the actuators 4a, 4b in the connected to the working chambers 14a, 14b Air storage chamber 15 fed from the atmosphere Air can be compressed.
  • the required for this Force is applied by the user of the expander so that a training effect sets in.
  • FIGS. 5 and 6 show in a single representation a preferred Embodiment of the control valve device 17, the different Switching states can take on different Prescribe operating modes of the pneumatic expander 1.
  • this control valve device 17 shown outlined by dashed lines.
  • the control valve device 17 contains a plurality of control valves 52, which are preferably combined to form a structural unit and to set the desired switching states with different Switching patterns can be actuated.
  • the control valves 52 are preferably designed as 2/2-way seat valves and are in the embodiment of the type "Normally Closed".
  • control valves 52 vary depending on the desired functionality of the expander 1. In the embodiment a total of six control valves 52 are provided. In addition, the control valve device 17 still contains four Check valves 53 and a throttle device 54, but are indicated only in Fig. 4.
  • control valves 52 in a common Arranged level, with two groups of three each in the Longitudinal direction 55 of the control valve device 17 in a row arranged control valves are present, these two threes next to each other.
  • the cut of the Figure 5 passes through one of the groups of three.
  • the six Control valves 52 have a common control valve housing 56, in which the valve members 57 of the individual control valves 52 are adjustable.
  • Each valve member 57 may be indicated by a double arrow Switching movement 58 run to either in one in Fig. 6 left illustrated basic position or in FIG. 6 right, deflected with respect to the basic position Switch position to be positioned.
  • the basic position corresponds to the embodiment of a Closed position, while the deflected switching position a Open position forms.
  • a spring device 62 is each Valve link pretensioned in the basic position.
  • the switching force is a respective valve member 57 under Mediation of a motion-coupled with the valve member 57 Drive ram 63 imposed.
  • This drive ram 63 is in the embodiment in one piece with the respectively associated Valve member 57 is formed, wherein it is a L josserstrekkung has, with the adjustment direction 58 of the valve member 57 coincides.
  • All drive plunger 63 is made up of the six control valves 52 composing valve matrix point in the same direction and end with sharing heads in a common plane 64. In the basic position, the drive rams protrude 63 with their Beaufschlagungsköpfen 64 a piece far out of the control valve housing 56 out.
  • control valve device 17 equipped with a drive device 65. This is designed to be an electrically activated switching to allow between the individual switching states.
  • the control commands for the corresponding activation receives the drive means 65 from the electronic control means 43 of the control unit 33.
  • the drive device 65 has an actuator 66, which can cooperate with the drive tappets 63 and the is coded according to the desired switching patterns 68.
  • an electric motor 67 or another electrically actuated Actuator By an electric motor 67 or another electrically actuated Actuator, the actuator in different Control positions related to the admission heads 64 are positioned, in which each one of the predetermined by him switching pattern 68 with the Beaufschlagungsköpfen 64 cooperates and accordingly the assigned Valve members 57 either in the basic position leaves or switched to the deflected switching position.
  • the actuator 66 is slide-like trained and according to double arrow 72 in a to Adjustment 58 of the valve members 57 rectangular Direction movable. This way it can be over with the Valve members 57 motion coupled drive ram 63 away to be moved.
  • the switching patterns 68 are by a certain Distribution formed at depressions 73 and elevations 74, wherein a valve member 57 remains in the home position when it is opposed to a depression 73, and in the distracted Shift position is shifted when it is preceded by a survey 74 is. If the actuator 66 takes a position a, in which it does not overlap a drive plunger 63 results a condition comparable to a drive ram 63 associated recess 73, so that the valve member 57 the Basic position occupies.
  • the actuator 66 is involved a along the Verstellweges 72 extending threaded spindle 75 in screw engagement with the electric motor 67th is drivingly coupled, preferably with interposition a gear 76.
  • position detecting means 77 serve to the individual control positions of the actuator 66 to detect and to the electronic Control means 43 report back. This is a coordinated one Operation possible.
  • valve members 57 Since only for the change in position of the actuator electrical energy is needed, but not for holding the valve members 57 in the respective position works the pneumatic expander extremely energy efficient.
  • the basic position the valve members 57 is by the spring means 62 fixed.
  • the deflected switching position is determined by the the respective drive rod 63 cross-actuating member 66, with an unintentional adjustment excluded is because the adjustment direction 58 of the valve members 57 not with the adjustment 72 of the actuator 66 coincides.
  • the drive device 65 is not electrically powered activatable drive means.
  • the specification of the control positions the actuator 66 takes place in this case purely manually.
  • a handling element 78 is provided on the manually can be acted upon, for repositioning apply required force.
  • first mode of operation Has.
  • this first operating mode (setting mode) by the insertion of the actuator units 4a, 4b air displaced from the front compression chambers 24 and over in the open position spent first control valve 52a and a first check valve connected in series with this 53 a pressed into the air storage chamber 15.
  • the first Check valve 53a prevents the compressed air flows back in the opposite direction.
  • Another third mode of operation is with the first mode of operation comparable, but with the difference that then when pulling out the actuator units 4a, 4b the air from the rear cylinder chambers 25 via a then open fourth control valve 52d and the first check valve 53 a is conveyed into the air chamber 15.
  • a third check valve 53c When pushing back the actuators 4a, 4b will be 'new air from the Sucked environment via a third check valve 53c.
  • the front compression spaces 24 are about a fifth Control valve 52e constantly communicates with the atmosphere.
  • the third mode of operation may be a fourth mode of operation connect, which represents a pulling training operation.
  • the function is analogous to that of the second operating mode, but now by the user of the expander worked against the pressure in the rear compression chambers 25 must become.
  • Here take the third and fourth Control valve 52c, 52d, the open position.
  • a fifth operating mode be set, in which one to the air storage chamber 15 connected sixth control valve 52f over the throttle device 54 connects to the atmosphere.
  • a fourth check valve 53d may function as a safety relief valve take.
  • both pump units 14a, 4a; 14b 4b are via the control valve device 17 to the air storage chamber 15 connected, wherein the control valve device 17 due to their valve equipment in the Location is, according to the set switching state one certain type of link, including the involvement of Atmosphere, pretend.

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Fluid-Pressure Circuits (AREA)
EP03022755A 2003-10-10 2003-10-10 Extenseur pneumatique Withdrawn EP1522331A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03022755A EP1522331A1 (fr) 2003-10-10 2003-10-10 Extenseur pneumatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03022755A EP1522331A1 (fr) 2003-10-10 2003-10-10 Extenseur pneumatique

Publications (1)

Publication Number Publication Date
EP1522331A1 true EP1522331A1 (fr) 2005-04-13

Family

ID=34306877

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03022755A Withdrawn EP1522331A1 (fr) 2003-10-10 2003-10-10 Extenseur pneumatique

Country Status (1)

Country Link
EP (1) EP1522331A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109771900A (zh) * 2019-03-06 2019-05-21 杜电电 小臂训练装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5207621A (en) * 1991-02-07 1993-05-04 Integral Products Stair climbing exercise machine
FR2686259A1 (fr) * 1992-01-22 1993-07-23 Therond Leon Appareil pour exercices de musculation et procedes pour sa mise en óoeuvre.
EP0710774A2 (fr) * 1994-11-07 1996-05-08 Festo KG Verin de travail
US6468190B1 (en) * 1996-05-08 2002-10-22 Genevieve M. Griffin Chest and body exerciser

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5207621A (en) * 1991-02-07 1993-05-04 Integral Products Stair climbing exercise machine
FR2686259A1 (fr) * 1992-01-22 1993-07-23 Therond Leon Appareil pour exercices de musculation et procedes pour sa mise en óoeuvre.
EP0710774A2 (fr) * 1994-11-07 1996-05-08 Festo KG Verin de travail
US6468190B1 (en) * 1996-05-08 2002-10-22 Genevieve M. Griffin Chest and body exerciser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109771900A (zh) * 2019-03-06 2019-05-21 杜电电 小臂训练装置

Similar Documents

Publication Publication Date Title
DE4111202C2 (de) Druckmittelbetätigte Lineareinheit
DE3222949C2 (de) Automatische Abschußvorrichtung für ein pneumatisch betriebenes Werkzeug
EP2551529B1 (fr) Pressure transducer
DE19902107B4 (de) Verdrängungssteuervorrichtung für eine verstellbare Hydraulikeinheit
DE10106601A1 (de) Führungseinrichtung für eine fluidbetätigte Spannzange
EP0933527A2 (fr) Dispositif d'entraínement rotatif actionné par fluide
DE202007017130U1 (de) Ansteuervorrichtung für einen Pneumatikantrieb
EP2718571B1 (fr) Dispositif hydropneumatique
EP1522331A1 (fr) Extenseur pneumatique
DE1427402B2 (de) Handkniehebelpresse
DE3737350A1 (de) Pumpenanordnung mit doppelpumpe
EP1522330A1 (fr) Extenseur pneumatique
DE102004034280A1 (de) Selbststeuer-Eilgangzylinder
DE2848299C2 (de) Führungsvorrichtung zum getrennten Zuführen einzelner Stofflagen zur Stichbildestelle einer Nähmaschine
EP1245345A1 (fr) Pince de préhension actionnée par un fluide
DE3632355A1 (de) Druckmittelbetaetigter vielstellungszylinder
DE102004049247A1 (de) Chirurgisches Instrument
DE3236803A1 (de) Verbindung eines zylinderantriebes mit einem druckverstaerker zur baueinheit zur erzielung hoeherer kolbenkraefte
DE102004046976B4 (de) Mehrwegeventil
DE2910434C3 (de) Einrichtung für die Endlagendämpfung eines Kolbens in hydraulisch betriebenen Hubmaschinen oder Vorschubgeräten
DE10154778C1 (de) Niveauregelventil zum selbsttätigen Konstanthalten der Fahrzeughöhe eines Nutzfahrzeuges mit Luftfederung
DE3720015C2 (fr)
DE102015000041B3 (de) Druckluftbetriebene Austreibvorrichtung
DE3031615C2 (de) Kraftangetriebene Schraubvorrichtung
DE102005012782B3 (de) Stich-, Säbel- oder Scrollsäge mit hydraulischer Betätigung der Sägeblatthalteeinrichtung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK

AKX Designation fees paid
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20051014

REG Reference to a national code

Ref country code: DE

Ref legal event code: 8566