EP1360974B1 - Treadmill with lifting device - Google Patents

Treadmill with lifting device Download PDF

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Publication number
EP1360974B1
EP1360974B1 EP03009082A EP03009082A EP1360974B1 EP 1360974 B1 EP1360974 B1 EP 1360974B1 EP 03009082 A EP03009082 A EP 03009082A EP 03009082 A EP03009082 A EP 03009082A EP 1360974 B1 EP1360974 B1 EP 1360974B1
Authority
EP
European Patent Office
Prior art keywords
base frame
cross bar
treadmill
support
inverted
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.)
Expired - Lifetime
Application number
EP03009082A
Other languages
German (de)
French (fr)
Other versions
EP1360974A1 (en
Inventor
Leao Wang
Peter Wu
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
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1360974A1 publication Critical patent/EP1360974A1/en
Application granted granted Critical
Publication of EP1360974B1 publication Critical patent/EP1360974B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/0015—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with an adjustable movement path of the support elements
    • A63B22/0023—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with an adjustable movement path of the support elements the inclination of the main axis of the movement path being adjustable, e.g. the inclination of an endless band
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
    • 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
    • A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
    • A63B22/0235—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills driven by a motor
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2210/00—Space saving
    • A63B2210/50—Size reducing arrangements for stowing or transport

Definitions

  • the present invention relates to a treadmill having a lifting device, and more particularly, a device which has simple components and efficiently reduces the manufacturing and assembling costs.
  • the lifting device of the treadmill is used to adjust the supporting angle of the base frame of the treadmill, that is, the walking slope.
  • This device can be mechanically or electrically operated.
  • the present invention belongs to an electric lifting device.
  • a well-known lifting device for a treadmill includes a motorized transmission assembly 61 on a base frame 60.
  • a slide rail 62 is arranged at the both inner sides of the base frame 60 so that two supporting parts 64 with rollers 63 can slide in the slide rail 62 for a forward and backward movement. Consequently, a walking frame 65 thereof is pivotably connected to the top of the supporting parts 64.
  • an auxiliary supporting rod 66 has to be interposed between the top of the supporting parts 64 and the base frame 60, thereby causing the complexity of the whole components and increasing the assembly and component costs.
  • US 6,325,745 discloses a foldable jogging machine comprising a support device and a linear actuator.
  • the support device is mounted on the base such that the ends of left and right support rods are slidably received in a slotted rail of a base of the jogging machine.
  • the linear actuator is fastened with the trotting platform in such a way that an expandable rod of the linear actuator is fastened pivotally with the support device.
  • the platform of the treadmill is slanted or elected the ends of the support rods slide within the rails.
  • the treadmill (DE 201 10 451 U1) discloses a treadmill which can be slanted and erected.
  • the treadmill comprises a telescopic rod which is pivotally connected to the frame structure.
  • Two oscillating levers are pivotally connected to the base frame on their first ends respectively while the other ends are connected through a shaft.
  • a pivot seat is provided on the shaft and receives the telescopic rod.
  • two rollers are provided which are received by rails.
  • a preferred embodiment of the present invention includes an upright support 10 and a base frame 20.
  • the upright support 10 is mounted at both sides of the front end of the base frame 20.
  • a console 11 is disposed at the top of the upright support 10 while a horizontal leg 12 is connected to the bottom thereof.
  • the base frame 20 has a first cross bar 21 on which a walking belt transmission assembly 30 is mounted while a front roller 22 is driven in motion by means of a transmission belt 32.
  • a walking belt 24 is rotatable by means of the front roller 22 and a rear roller 23.
  • a support wheel 25 is fitted to both bottom inner sides at the rear end of the base frame 20.
  • a lifting motor 41 with a locating transmission spindle 40 is pivotably connected to the front end of the base frame 20.
  • a socket 42 is movable backward and forward by means of the rotational movement of the locating transmission spindle 40 while the other end of the socket 42 is pivotably connected to the top of an inverted-T-shaped cross bar 26 which extends beyond and through both sides of the base frame 20 and is connected with a pull rod 27, respectively.
  • the other end of each of the pull rods 27 is pivotably connected to the upright support 10, thereby forming a pivot point 28. Accordingly, when the lifting motor 41 is actuated to let the socket 42 rotate by means of the rotational movement of the locating transmission spindle 40, the inverted-T-shaped cross bar 26 and the pull rod 27 will move in the desired direction. Therefore, the base frame 20 will be moved upward and downward on the pivot point 28.
  • the base frame 20 can be folded up in a storage state by means of the pivoting effect of the pivot point 28.
  • a support bar 50 is pivotably connected at the lower side of the inverted-T-shaped cross bar 26 while the other end of the support bar 50 is pivotably connected to a support element 52. Thereafter, the axle of the support element 52 is pivotably secured to a second cross bar 29 of the base frame 20.
  • the support element 51 constantly offers a proper supporting force in the horizontal direction to prevent it from an unexpected toppling.

Landscapes

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

Description

  • The present invention relates to a treadmill having a lifting device, and more particularly, a device which has simple components and efficiently reduces the manufacturing and assembling costs.
  • The lifting device of the treadmill is used to adjust the supporting angle of the base frame of the treadmill, that is, the walking slope. This device can be mechanically or electrically operated. The present invention belongs to an electric lifting device.
  • Referring to FIGS. 5 through 8, a well-known lifting device for a treadmill includes a motorized transmission assembly 61 on a base frame 60. A slide rail 62 is arranged at the both inner sides of the base frame 60 so that two supporting parts 64 with rollers 63 can slide in the slide rail 62 for a forward and backward movement. Consequently, a walking frame 65 thereof is pivotably connected to the top of the supporting parts 64.
  • In order to strengthen the supporting force of the supporting parts 64, an auxiliary supporting rod 66 has to be interposed between the top of the supporting parts 64 and the base frame 60, thereby causing the complexity of the whole components and increasing the assembly and component costs.
  • US 6,325,745 discloses a foldable jogging machine comprising a support device and a linear actuator. The support device is mounted on the base such that the ends of left and right support rods are slidably received in a slotted rail of a base of the jogging machine. The linear actuator is fastened with the trotting platform in such a way that an expandable rod of the linear actuator is fastened pivotally with the support device. When the platform of the treadmill is slanted or elected the ends of the support rods slide within the rails.
  • (DE 201 10 451 U1) discloses a treadmill which can be slanted and erected. The treadmill comprises a telescopic rod which is pivotally connected to the frame structure. Two oscillating levers are pivotally connected to the base frame on their first ends respectively while the other ends are connected through a shaft. A pivot seat is provided on the shaft and receives the telescopic rod. At the end of the shaft two rollers are provided which are received by rails.
  • It is a primary object of the present invention to remove the above-mentioned drawbacks and to provide a treadmill with a lifting device which has a simple component unit while the same effect is achieved so that the economical effect and the assembly convenience are attainable. Meanwhile, the supporting force is easily controllable. In addition, an upright support together with a pull rod connected to the frame creates a pivot point. Accordingly, the potential drawbacks in using the conventional lifting device are removed.
  • This object has been achieved, according to the invention, by adopting the idea of making a treadmill having the characteristics indicated in claim 1. Further characteristics being set forth in the dependent claims.
  • The accomplishment of this and other objects of the invention will become apparent from the following description and its accompanying drawings of which:
    • FIG. 1 is a side view of the present invention;
    • FIG. 2 is a schematic drawing in accordance with FIG. 1, showing the action thereof;
    • FIG. 3 is a schematic drawing of the preferred embodiment in accordance with FIG. 1 in the folding-up state of a base frame;
    • FIG. 4 is a perspective view of FIG. 3;
    • FIG. 5 is a partial perspective view of a conventional lifting device;
    • FIG. 6 is a side view of FIG. 5;
    • FIG. 7 is a schematic drawing in accordance with FIG. 5, showing the action thereof; and
    • FIG. 8 is a schematic drawing in accordance with FIG. 5 in the folding-up state of the base frame.
  • First of all, referring to FIG. 1 and 2, a preferred embodiment of the present invention includes an upright support 10 and a base frame 20. The upright support 10 is mounted at both sides of the front end of the base frame 20. A console 11 is disposed at the top of the upright support 10 while a horizontal leg 12 is connected to the bottom thereof. The base frame 20 has a first cross bar 21 on which a walking belt transmission assembly 30 is mounted while a front roller 22 is driven in motion by means of a transmission belt 32. A walking belt 24 is rotatable by means of the front roller 22 and a rear roller 23. A support wheel 25 is fitted to both bottom inner sides at the rear end of the base frame 20.
  • A lifting motor 41 with a locating transmission spindle 40 is pivotably connected to the front end of the base frame 20. A socket 42 is movable backward and forward by means of the rotational movement of the locating transmission spindle 40 while the other end of the socket 42 is pivotably connected to the top of an inverted-T-shaped cross bar 26 which extends beyond and through both sides of the base frame 20 and is connected with a pull rod 27, respectively. The other end of each of the pull rods 27 is pivotably connected to the upright support 10, thereby forming a pivot point 28. Accordingly, when the lifting motor 41 is actuated to let the socket 42 rotate by means of the rotational movement of the locating transmission spindle 40, the inverted-T-shaped cross bar 26 and the pull rod 27 will move in the desired direction. Therefore, the base frame 20 will be moved upward and downward on the pivot point 28.
  • As illustrated in FIGS 3 and 4, the base frame 20 can be folded up in a storage state by means of the pivoting effect of the pivot point 28. Thus, in order to stably support the base frame 20, a support bar 50 is pivotably connected at the lower side of the inverted-T-shaped cross bar 26 while the other end of the support bar 50 is pivotably connected to a support element 52. Thereafter, the axle of the support element 52 is pivotably secured to a second cross bar 29 of the base frame 20.
  • In brief, when the base frame 20 is folded up, the support element 51 constantly offers a proper supporting force in the horizontal direction to prevent it from an unexpected toppling.

Claims (4)

  1. A treadmill having a lifting device comprising an upright support (10) mounted at both sides of the front end of a base frame (20), the base frame having a first cross bar (21) on which a walking belt transmission assembly (30) is mounted;
    wherein the lifting device comprises:
    a horizontal leg (12) connected to the bottom of the upright support (10),
    a lifting motor (41) with a locating transmission spindle (40), the lifting motor (41) being pivotably connected to the front end of said base frame (20), and
    a socket (42) being movable backward and forward by means of the rotational movement of said locating transmission spindle (40) while one end of said socket (42) is pivotably connected to the top of an inverted-T-shaped cross bar (26),
    characterized in that
    the inverted-T-shaped cross bar (26) extends beyond and through both sides of said base frame (20), so that the inverted-T-shaped cross bar (26) can pivot relatively to the base frame (20), and the inverted-T-shaped cross bar (26) is rigidly connected with a pull rod (27), respectively, the other end of each of said pull rods (27) being pivotably connected to said upright support (10), thereby forming a pivot point (28).
  2. The treadmill as recited in claim 1, characterized in that a support bar (50) is pivotably connected at the lower side of said inverted-T-shaped cross bar (26) while the other end of said support bar (50) is pivotably connected to a support element (52) so that the axle of said support element (52) is pivotably secured to a second cross bar (29) of said base frame (20).
  3. The treadmill as recited in one of claims 1 or 2, characterized in that a console being disposed at the top thereof.
  4. The treadmill as recited in one of the preceding claims, characterized in that a front roller (22) is driven in motion by means of a transmission belt (32), a walking belt (24) being rotatable by means of said front roller (22) and a rear roller (23), a support wheel (25) being fitted to both bottom inner sides at the rear end of said base frame (20).
EP03009082A 2002-05-07 2003-04-19 Treadmill with lifting device Expired - Lifetime EP1360974B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US139559 1987-12-30
US10/139,559 US20030139263A1 (en) 2002-01-23 2002-05-07 Lifting device for a treadmill

Publications (2)

Publication Number Publication Date
EP1360974A1 EP1360974A1 (en) 2003-11-12
EP1360974B1 true EP1360974B1 (en) 2006-08-23

Family

ID=29249772

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03009082A Expired - Lifetime EP1360974B1 (en) 2002-05-07 2003-04-19 Treadmill with lifting device

Country Status (5)

Country Link
US (1) US20030139263A1 (en)
EP (1) EP1360974B1 (en)
KR (1) KR200322219Y1 (en)
DE (1) DE60307715T2 (en)
ES (1) ES2269855T3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030139262A1 (en) * 2002-01-23 2003-07-24 Leao Wang Lifting device for a treadmill
US20060003869A1 (en) * 2004-07-02 2006-01-05 Johnson Tech. Co., Ltd. Folding treadmill
US7381160B2 (en) * 2005-06-20 2008-06-03 Chiu-Hsiang Lo Folding and supporting device for treadmills
US7569000B2 (en) * 2008-01-03 2009-08-04 Leao Wang Integrated folding mechanism of a treadmill
TWM408379U (en) * 2010-12-24 2011-08-01 Jet Sport Ind Co Ltd lifting mechanism for device for jogging treadmill
TW201336549A (en) * 2012-03-06 2013-09-16 Dyaco Int Inc Liftable and foldable treadmill
WO2017085334A1 (en) 2015-11-20 2017-05-26 Exercycle, S.L. Foldable treadmill

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6261209B1 (en) * 1998-05-29 2001-07-17 Fitness Quest, Inc. Folding exercise treadmill with front inclination
US6132340A (en) * 1999-06-22 2000-10-17 Wang; Leao Cushioning device for treadmill
TW422111U (en) * 2000-04-26 2001-02-11 Yu Shu Fen Foldable treadmill with uprise function
US6461275B1 (en) * 2000-10-30 2002-10-08 Leao Wang Elevatingly folding unit of electric exercise treadmill
US6527679B2 (en) * 2000-10-30 2003-03-04 Leao Wang Folding mechanism of a motorized treadmill
US6398696B1 (en) * 2000-12-05 2002-06-04 Alilife Industrial Co., Ltd. Running exerciser structure
US6475121B2 (en) * 2001-01-16 2002-11-05 Leao Wang Elevating apparatus of an exercise treadmill
TW463646U (en) * 2001-04-06 2001-11-11 Chi Bo Industry Co Ltd Running machine with folding device
DE20110451U1 (en) * 2001-06-25 2001-12-13 ALILIFE INDUSTRIAL Co., Ltd., Taichung Exercise device
US6592496B1 (en) * 2002-01-04 2003-07-15 Alilife Industrial Co., Ltd. Ascending/descending and folding structure for running exerciser
US20030139262A1 (en) * 2002-01-23 2003-07-24 Leao Wang Lifting device for a treadmill
US20030195088A1 (en) * 2002-01-23 2003-10-16 Leao Wang Lifting device for a treadmill

Also Published As

Publication number Publication date
ES2269855T3 (en) 2007-04-01
EP1360974A1 (en) 2003-11-12
DE60307715T2 (en) 2007-08-23
KR200322219Y1 (en) 2003-08-06
US20030139263A1 (en) 2003-07-24
DE60307715D1 (en) 2006-10-05

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