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WO2016126265A1 - Système de résistance pour un dispositif d'exercice - Google Patents

Système de résistance pour un dispositif d'exercice Download PDF

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Publication number
WO2016126265A1
WO2016126265A1 PCT/US2015/014838 US2015014838W WO2016126265A1 WO 2016126265 A1 WO2016126265 A1 WO 2016126265A1 US 2015014838 W US2015014838 W US 2015014838W WO 2016126265 A1 WO2016126265 A1 WO 2016126265A1
Authority
WO
WIPO (PCT)
Prior art keywords
resistance
frame
main shaft
resistance element
pins
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.)
Ceased
Application number
PCT/US2015/014838
Other languages
English (en)
Inventor
Kevin Abelbeck
Brad Olschansky
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.)
Exersmart LLC
Original Assignee
Exersmart LLC
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 Exersmart LLC filed Critical Exersmart LLC
Priority to CN201580076100.5A priority Critical patent/CN107427710B/zh
Priority to PCT/US2015/014838 priority patent/WO2016126265A1/fr
Publication of WO2016126265A1 publication Critical patent/WO2016126265A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • 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
    • A63B21/00058—Mechanical means for varying the resistance
    • A63B21/00065—Mechanical means for varying the resistance by increasing or reducing the number of resistance units
    • 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
    • A63B21/002—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices isometric or isokinetic, i.e. substantial force variation without substantial muscle motion or wherein the speed of the motion is independent of the force applied by the user
    • A63B21/0023—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices isometric or isokinetic, i.e. substantial force variation without substantial muscle motion or wherein the speed of the motion is independent of the force applied by the user for isometric exercising, i.e. substantial force variation without substantial muscle motion
    • 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
    • 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
    • A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
    • A63B21/04—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters attached to static foundation, e.g. a user
    • A63B21/0407—Anchored at two end points, e.g. installed within an apparatus
    • A63B21/0428—Anchored at two end points, e.g. installed within an apparatus the ends moving relatively by linear reciprocation
    • 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
    • A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
    • A63B21/055—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters extension element type
    • A63B21/0552—Elastic ropes or bands
    • A63B21/0557—Details of attachments, e.g. clips or clamps
    • 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
    • A63B21/06—User-manipulated weights
    • A63B21/062—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces
    • A63B21/0626—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means
    • A63B21/0628—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means for vertical array of weights
    • 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
    • A63B21/4027—Specific exercise interfaces
    • A63B21/4033—Handles, pedals, bars or platforms
    • A63B21/4034—Handles, pedals, bars or platforms for operation by feet
    • 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

Definitions

  • the present invention generally relates to exercise devices and, more particularly, to resistance systems used in exercise devices.
  • a critical component of exercise devices used to increase the strength of the user may be devices used to provide a variation in resistance. As some individuals are stronger than others, it may be useful to be able to vary the resistance from user to user, or of the same user over time to adapt to increases in strength. To develop strength, the muscle may be forced to move under tension. This tension may be provided by weights or hydraulics. Low inertia systems may also be used. These may include springs or other elastic components, or compressed air as forms of resistance. One advantage to low inertia systems, is high-speed work may be done without the interference provided by high mass of the resistance.
  • the ability to change resistance may be considered a critical element to successful strength training. As a user becomes stronger, that user will desire a greater resistance. In addition, no two users are exactly the same in their strength potentials. Therefore, it may be desirable to have a system which allows for a great deal of variability in the resistance. It may also be desirable to be able to change
  • a system that includes rotating one or more knobs may require much less physical exertion to change the resistance as compared to lifting heavy weights to add or remove from a bar or other apparatus. If a user has limited physical ability and cannot change the resistance easily, that may preclude them from using the exercise device altogether. No exercise device is of any value if it is not used.
  • the present invention is a resistance system for exercise which may include a frame, at least two resistance elements which are operationally unique from one another and an engagement lock with a main shaft pivotally mounted to the frame and at least two pins positioned substantially radially equidistant from the main shaft.
  • the pin of the at least two pins may be selectively engaged with one of the resistance elements of the at least two resistance elements without engaging the second resistance element.
  • each resistance element is unique in that engaging one resistance element does not result in the engagement of another resistance element by its position or orientation.
  • the device may also include a user interface adapted to enable a user to apply a force thereto, the user interface may be in communication with one or more of the at least two resistance elements, whereby any of at least two resistance elements may be engaged by any of the at least two pins.
  • the engaged resistance element may provide resistance to movement of the user interface relative to the frame.
  • This user interface may be a handle with a cable attached, a bar with cables attached or an arm, freely or pivotally mounted to the frame.
  • the at least two resistance elements may be comprised of elastic cords coupled to a carriage and supported to allow for movement relative to the frame.
  • the carriage may include a plate guide adapted to support any resistance elements not engaged by any of the at least two pins.
  • the device may also include a drive cam coupled to a carriage, the carriage supporting the at least two resistance elements.
  • the drive cam may be pivotally coupled to the frame and provide a variable moment arm to the carriage as the cam rotates relative to the frame.
  • the frame may include a base frame with pulley mounts and a platform adapted to support a user.
  • a rotational pulley may also be mounted to the frame.
  • the axis of rotation of the rotational pulley mount may be substantially collinear with the axis of a cable guided by a pulley mounted in the rotational pulley mount.
  • the device may include two engagement locks, each with a main shaft pivotally mounted to the frame and at least two pins positioned substantially radially equidistant from the main shaft.
  • FIG. 1 is an isometric right side view of a resistance system in an exercise device incorporating a selection system in accordance with the present invention.
  • FIG. 2 is an isometric left side view of the device of FIG. 1 showing a cable attachment variation in more detail.
  • FIG. 3 is front view of the device of FIG. 1.
  • FIG. 4 is an upper left view of the device of FIG. 1.
  • FIG. 5 is a detail view of the upper portion of the device of FIG. 4 cut along line
  • FIG. 6 is a left rear isometric view of the device of FIG. 1 with a portion of the frame removed.
  • FIG. 7 is a detail view of the exercise device of FIG. 6 shown along line 7-7.
  • FIG. 8 is a front view of the exercise device of FIG. 6 shown with the frame removed.
  • FIG. 9 is a front view of the upper portion of the resistance system of FIG. 8 with one group of cords engaged and a second ground disengaged and the carriage somewhat displaced.
  • FIG. 10 is an isometric view of the resistance system of FIG. 9.
  • FIG. 11 is an isometric view of the rotational pulley on the left side of the lower frame of the device of FIG. 1. DETAILED DESCRIPTION OF THE INVENTION
  • the device 12 may include an upper frame 16 and a base frame 18 supporting the resistance system 14 therein.
  • the device 12 may include a user interface 20.
  • the user interface 20 may be a handle 22 with a cable 24 attached thereto.
  • Pulley mounts 26 may be mounted to the base frame 18, or to the upper frame 16.
  • FIG 1 shows the device 12 from a right perspective where the left handle 22 is coupled to the base frame 18 and the right handle 22 is coupled to the upper frame 16.
  • the right handle 22 may be more clearly seen in FIG 2, as this is shown from the left perspective.
  • the base frame 18 may also include a platform 28 suitable for supporting a user. In this manner, a user may stand on the platform 28, grasp one or more of the handles 22 and displace the handle 22 from its resting position, thus actuating the resistance system.
  • the resistance system will be shown and described in greater detail further in this disclosure.
  • the resistance system 14 may include two or more resistance elements 30.
  • the resistance elements 30 may be comprised of an elastic cord, a spring, pneumatics, other form of elastic resistance or hydraulics, etc. Weight plates, or other gravity based resistance, may also be used but are not shown in this embodiment of the invention.
  • the resistance elements 30 may be attached to the carriage 32, which is guided on the upper frame 16.
  • the engagement or disengagement of specific resistance elements 30 may be altered by adjusting an engagement lock 34.
  • there are two engagement locks 34 which are shown in more detail in the following figures.
  • FIG 4 a detail of the device 12 is shown with some of the housings removed to show more specific elements of the invention.
  • FIG 5 is a detail of the upper portion of the device 12 shown along line 5-5 in FIG 4.
  • the left engagement lock 34 is a different size and has a different number of pins compared to the right engagement lock 34.
  • Each engagement lock 34 includes a main shaft 36 which is pivotally mounted to a support 38.
  • the support 38 may be mounted to the upper frame 16. This may allow the knob 40 be pulled out by the user, thereby disengaging the pins 42 from the back plate 44. When the pins 42 are disengaged from the back plate 44, the pins 42 are likewise disengaged from the resistance elements 30.
  • the engagement lock 34 on the right is shown to be disengaged from the back plate 44 and the engagement lock 34 on the left is engaged with the back plate 44.
  • a spring 46 may be used to bias the
  • engagement locks 34 toward the back plate 44, thereby placing each engagement lock 34 in an engaged position when not being actuated by a user.
  • FIGS 6 through 8 Detail shown in FIG 7 is shown along the cut line 7-7 of FIG 6.
  • the resistance elements 30 may be connected to a cord plate 48.
  • a cord plate 48 may support a single resistance element 30, a pair of two resistance elements 30, or multiple resistance elements 30. As is shown here, some cord plates 48 support four resistance elements 30 and some cord plates 48 support two resistance elements 30.
  • a cord plate 48 may also be of a weighted element to act as its own gravity based resistance element, instead of being connected to the resistance elements 30.
  • Each cord plate 48 includes a hole 50 adapted to receive the pin 42.
  • the carriage 32 may be actuated away from any cord plates 48, which may be engaged to engagement lock 34.
  • the carriage 32 and engagement locks 34 may be mounted 180 degrees clockwise.
  • the drive chain 54 would attach to the engagement locks 34 and the other end of the carriage 32 would be stationary. As the drive chain 54 is actuated, the engagement locks 34 would also move.
  • FIG 8 shows a front view of the device 12 with the upper frame 16 removed.
  • a drive cam 52 providing a variable moment arm to the carriage 32 as the drive cam 52 rotates relative to the frame may be coupled to the carriage 32 by the drive chain 54.
  • the purpose of the variable moment arm of the drive cam 52 may be used to offset or change the linear increase in tension provided by an elastic element, which may comprise the resistance elements 30.
  • the drive cam 52 may be secured to a drive wheel 56 which supports a drive cable 58. As the drive cable 58 is actuated in the direction of the arrow 60, the drive cable 58 unrolls from the drive wheel 56.
  • the drive cam 52 rotates to take up links of the drive chain 54, thus displacing the carriage 32 toward the drive wheel 56. Any resistance elements 30 which are engaged to an engagement lock 34 will deform as the carriage 32 pulls away from those engagement locks 34. The deformation, of each resistance element 30, which is engaged with its relative engagement lock 34, provides a resistance to movement and generates tension in the drive cable 58.
  • the drive cable 58 is connected to a pulley block 62.
  • the pulley block 62 allows for increased travel of the cable 24.
  • two idler pulleys 64 are housed within the pulley block 62.
  • a stationary pulley 65 is mounted to the frame 16 (not shown here) also supports the continuous cable 24.
  • this arrangement of the two floating idler pulleys 64 and one stationary pulley 65 provides a 4: 1 displacement of the cable 24 relative to the movement of the pulley block 62 and therefore the drive cable 58.
  • This is one of an infinite number of configurations of pulleys and wraps for the cable 24 that may be used to provide the desired travel and tension of the cable 24 for the user. It is understood there an infinite number of combinations that may be used that are inherently covered in the scope of this invention.
  • the pulley block 62 When the carriage 32 is displaced by providing sufficient tension in the drive cable 58 to overcome the resistance provided by the resistance elements 30, which are engaged with at least one of the engagement locks 34, the pulley block 62 will also be displaced from its starting position. What is shown in FIGS 9-10 is an example of the left engagement lock 34 being engaged with all three of their respective cord plates 48 and therefore the resistance elements 30 attached to those cord plates 48. The two cord plates 48 on the right are disengaged from the engagement lock on the right, therefore the resistance elements 30 associated with the cord plates 48 on the right move with the carriage 32 as it is displaced. As such, the resistance elements 30 on the right do not deform and therefore do not add tension to the drive cable 58. In this example the engagement lock 34 on the left has engaged all three cord plates 48.
  • the right engagement lock 34 was rotated 180° such that the pins 42 do not engage the holes 50 in the cord plates 48 on the right when the carriage 32 was in its resting position.
  • the engagement lock 34 on the right may be rotated by 90° increments to engage either or both of their respective cord plates 48.
  • the selective engagement of one, some, all or none of the respective cord plates 48 may be accomplished by providing the pins 42 be substantially radially equidistant from the main shaft 36. This substantially radial orientation may allow a pin 42 to index with any hole 50 in any of the cord plates 48 that are accessible by that engagement lock 34.
  • the cord plates 48 which are not engaged into their respective engagement locks 34 may be supported by a plate guide 67.
  • the plate guide 67 may provide guided support for the cord plates 48 disengaged from the engagement locks 34, thereby providing proper positioning relative to the engagement locks 34 when the carriage 32 returns to its top position.
  • a counterbalance 66 may be used to maintain continuous attachment to the carriage 32 and the upper frame 16.
  • the counterbalance 66 may be a resistance element 30 similar to the others used in the system, or it may be comprised of a weight or other spring or any other system to bias the carriage 32 in its top and therefore resting position. This counterbalance 66 insures the weight of the carriage 32 does not prevent it from always recoiling to its top resting position, regardless if any of the engagement locks 34 are engaged with any of their respective cord plates 48 or not.
  • FIG 11 a cropped view of the device 12 shown from a rear left perspective.
  • the rotational pulley mount 68 may include a mounting bracket 70, which may be releasably fastened to the upper frame 16.
  • the mounting bracket 70 may also include a mounting cylinder 72 that is adapted to receive a pulley cylinder 74.
  • the cable 24 may pass through the mounting cylinder 72 and the pulley cylinder 74 and be received by a cable pulley 76.
  • the pulley cylinder 74 may be allowed to rotate about the mounting cylinder 72, thereby creating a center of rotation of the axes of the pulley cylinder 74 and the mounting cylinder 72.
  • the axes of the cable 24 maybe collinear with axes of the pulley cylinder 74 in the mounting cylinder 72, thereby the rotational pulley mount 68 may be collinear with the axis of the cable 24.
  • the rotational pulley mount 68 may allow the handle 22 or any other user interface 20 to self align about the axis of the cable 24 regardless of the position of the handle 22 or other user interface 20.

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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)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Rehabilitation Tools (AREA)
  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne un système de résistance pour un dispositif d'exercice comprenant une pluralité de plaques de câbles, avec lesquelles une ou plusieurs goupilles peuvent sélectivement venir en prise. Les goupilles peuvent comprendre un dispositif de verrouillage de mise en prise comprenant un arbre principal accouplé de manière pivotante à la structure. Une ou plusieurs des plaques de câbles peuvent être reçues par une goupille. Chaque plaque de câble qui est reçue par une goupille peut être fixée par rapport à la structure. Une plaque de câble qui a reçu une goupille est "en prise" et une plaque de câble qui n'a pas reçu de goupille, et n'est par conséquent pas fixée à la structure, peut être considérée comme "libre". Un chariot peut être prévu pour recevoir une pluralité de câbles élastiques. Le chariot peut être déplacé par rapport à la structure de base, ce qui se traduit par le fait que les câbles élastiques accouplés aux plaques de câbles en prise sont étirés et les câbles accouplés aux plaques de câbles libres ne sont pas étirés.
PCT/US2015/014838 2015-02-06 2015-02-06 Système de résistance pour un dispositif d'exercice Ceased WO2016126265A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201580076100.5A CN107427710B (zh) 2015-02-06 2015-02-06 用于运动装置的阻力系统
PCT/US2015/014838 WO2016126265A1 (fr) 2015-02-06 2015-02-06 Système de résistance pour un dispositif d'exercice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2015/014838 WO2016126265A1 (fr) 2015-02-06 2015-02-06 Système de résistance pour un dispositif d'exercice

Publications (1)

Publication Number Publication Date
WO2016126265A1 true WO2016126265A1 (fr) 2016-08-11

Family

ID=56564461

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2015/014838 Ceased WO2016126265A1 (fr) 2015-02-06 2015-02-06 Système de résistance pour un dispositif d'exercice

Country Status (2)

Country Link
CN (1) CN107427710B (fr)
WO (1) WO2016126265A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114569932A (zh) * 2022-04-01 2022-06-03 查普曼科技(深圳)有限公司 一种拉力器

Citations (6)

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Publication number Priority date Publication date Assignee Title
US7597653B1 (en) * 2007-08-07 2009-10-06 Brunswick Corporation Exercise apparatus with resistance selection
US7758478B2 (en) * 2005-03-17 2010-07-20 Nautilus, Inc. Weight selection apparatus for a weight stack
US20110030499A1 (en) * 2009-08-07 2011-02-10 Benda Steven J Adjustable Pulley Assembly
US7981014B2 (en) * 2007-06-25 2011-07-19 Exersmart, Llc Resistance system for fitness equipment
US8876674B2 (en) * 2010-03-31 2014-11-04 Nautilus, Inc. Selectable weight stack
US8968167B1 (en) * 2011-01-05 2015-03-03 Exersmart, Llc Resistance system for an exercise device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203075550U (zh) * 2013-01-23 2013-07-24 张胜彪 一种力量型站姿转体训练器
CN203915892U (zh) * 2014-05-23 2014-11-05 陈书辉 调节型臂力器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7758478B2 (en) * 2005-03-17 2010-07-20 Nautilus, Inc. Weight selection apparatus for a weight stack
US7981014B2 (en) * 2007-06-25 2011-07-19 Exersmart, Llc Resistance system for fitness equipment
US7597653B1 (en) * 2007-08-07 2009-10-06 Brunswick Corporation Exercise apparatus with resistance selection
US20110030499A1 (en) * 2009-08-07 2011-02-10 Benda Steven J Adjustable Pulley Assembly
US8876674B2 (en) * 2010-03-31 2014-11-04 Nautilus, Inc. Selectable weight stack
US8968167B1 (en) * 2011-01-05 2015-03-03 Exersmart, Llc Resistance system for an exercise device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114569932A (zh) * 2022-04-01 2022-06-03 查普曼科技(深圳)有限公司 一种拉力器
CN114569932B (zh) * 2022-04-01 2023-04-18 查普曼科技(深圳)有限公司 一种拉力器

Also Published As

Publication number Publication date
CN107427710A (zh) 2017-12-01
CN107427710B (zh) 2019-11-19

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