TWM589059U - Elliptical machine capable of freely controlling lateral movement process of pedal - Google Patents

Abstract

An elliptical machine with the function of freely controlling the lateral movement of the pedal. Its characteristics include: a base and a transmission mechanism provided on the base, one side of the lateral swinging track provided on both sides of the track is pivotally mounted on the base, and each side swings The type of track can swing sideways; the two sides of the transmission mechanism are provided with a connecting link and a stepping mechanism. The front end of the front link of each link and the stepping mechanism is pivotally connected to the base; one front end is connected in a universal transmission type After the front link, the rear link is slid on the corresponding track; the free end of the rear link is pivotally provided with a pedal. When the pedal is stepped on, the front link is coordinated with the transmission mechanism to reciprocate and use The person can freely control the swing angle of the laterally swinging track through the lateral force applied to the pedal.

Description

Elliptical machine with freely controlling pedal lateral movement stroke function

This creation relates to an elliptical machine, in particular to a revealer of an innovative elliptical machine structure type whose lateral movement stroke of the pedal can be freely controlled according to the user's forcing method.

Due to the busy life of modern people, they are usually exhausted when they return home, so they are often neglected to exercise. However, after the rise of leisure and health, the concept of sports and fitness has gradually increased. But to find a suitable place to exercise is another problem for those who want to engage in sports. In terms of the most popular school playgrounds and parks, although it is convenient and free, it is easily affected by the weather and can not engage in sports. In view of this, some sports equipment manufacturers have developed a variety of sports fitness devices that are convenient for indoor use, so that users can grasp the time gap and achieve the purpose of sports fitness indoors.

Among the dazzling array of sports equipment, the trajectory of the pedals of the elliptical machine can simulate the movement trajectory of the feet and legs when people walk, which is more ergonomic, so it is favored by many consumers. However, currently the trajectories of the two pedals of the elliptical machine on the market are limited to two planes parallel to each other, so the location of the exercise is fixed, and the correspondence between the trajectories of the two pedals cannot be changed according to the user's different force application methods. This has caused problems and shortcomings in the limited use range and exercise parts.

The main purpose of this creation is to provide an elliptical machine with free control of the lateral movement of the pedal. The technical problem to be solved is to develop a freely controllable lateral movement of the pedal, which is more ideal and practical. The new type of elliptical machine structure is aimed at innovation and breakthrough.

The technical characteristics of the problem-solving in this creation are mainly that the elliptical machine system includes: a base, which extends in the front-rear direction and includes a front frame portion and a rear frame portion, and according to the base shape system, a front-rear axis and a virtual axis are virtually created One side axis; a vertical column fixed on the front frame of the base; a transmission mechanism installed on the front frame of the base, the transmission mechanism includes a bracket and a flywheel rotating on the bracket using a rotating shaft, the two ends of the rotating shaft are respectively A crank is fixedly connected, each crank has a free end, and the free end is fixedly connected with a pivot; two lateral swinging rails are respectively arranged on the rear frame of the base in a left and right spaced relationship, each The lateral swinging track includes a pivoting end and a swinging section. The pivoting end pivot group is fixed at a fixed position of the rear frame section. The swinging section is a type that extends a length along the front-rear axis and makes the swinging section The displaceable state is placed on the rear frame, and when the swing section is controlled by an external force, it is a state in which the pivot end is used as a fulcrum and the left and right side arc-shaped trajectories are freely oscillated along the direction of the lateral axis ; Two connecting rods and stepping mechanism, each connecting rod and stepping mechanism is installed on the corresponding side of the transmission mechanism, and the two are in a mutually interlocking relationship; each of the connecting rod and stepping mechanism includes: a front link The bottom end is pivotally mounted on the base, the side of the shaft of the front link is pivoted on the pivot set by the corresponding crank; a rear link is connected to the rear end of the front link in a universal transmission type. The rear link is slidably arranged on the corresponding lateral swinging track at the rear section; a pedal has a screw connection portion to be screwed to the rear end portion of the corresponding rear link, forming the pedal with the screw connection portion The pivot point is in a state of being able to rotate under force, and the pedal group is equipped with a rotation angle restraining and limiting device, so that the pedal rotation restraining limit is within a set angle range.

With the structure and technical characteristics of the above structure, when the user steps on each pedal, the flywheel is driven to rotate through each front link, and the front link is reciprocatingly retractable in accordance with the rotation angle of the flywheel and the crank, so that the movement of each pedal It presents an elliptical trajectory, and the user can selectively manipulate the swing section of each lateral swing track to swing left and right to the arc track through the lateral force applied to the pedal by the foot. In this way, the practical progress of greatly improving the use of elliptical machine operation patterns and sports fitness effects, and meeting more diverse needs.

10‧‧‧Base

11‧‧‧Front Frame Department

12‧‧‧Back frame

121‧‧‧ Curved Orbit

L1‧‧‧Fore and aft axis

L2‧‧‧Lateral axis

20‧‧‧pillar

21‧‧‧cross bar

30‧‧‧ Transmission mechanism

301‧‧‧Bracket

31‧‧‧spindle

32‧‧‧Flywheel

33‧‧‧Crank

335‧‧‧Free end

34‧‧‧Pivot

40‧‧‧Side swing track

401‧‧‧Pivot end

402‧‧‧swing section

41‧‧‧Move the wheel group sideways

50‧‧‧Link and pedal mechanism

51‧‧‧Front link

511‧‧‧The first long member

512‧‧‧Second elongate member

52‧‧‧ Rear link

521‧‧‧Move the wheel set forward and backward

522‧‧‧Rotating connector

523‧‧‧Anti-off limit member

524‧‧‧Abutment frame

53‧‧‧ pedal

531‧‧‧Rotating Department

54‧‧‧Angle suppression limit device

541‧‧‧Front rod end

542‧‧‧ Rear rod end

60‧‧‧ Swing arm set

61‧‧‧Lower elbow

62‧‧‧Upper arm

625‧‧‧grip

70‧‧‧Universal joint

71‧‧‧Shaft

72‧‧‧Universal bearing

73‧‧‧Shaft sleeve

80‧‧‧Friction damper

81‧‧‧Liftable friction part

82‧‧‧brake member

821‧‧‧Electric drive

822‧‧‧Lasso

823‧‧‧Runner

85‧‧‧Magnetic damper

851‧‧‧Liftable magnetic suction unit

852‧‧‧Brake component

91‧‧‧The second swing section

92‧‧‧The second roller set

93‧‧‧Second arc orbit

Figure 1 is a perspective view of the preferred embodiment of the present creation.

Figure 2 is a side view of the preferred embodiment of the present creation.

FIG. 3 is a schematic diagram of the motion track of the preferred embodiment of the present creation.

Figure 4 is a rear view of the preferred embodiment of the author.

FIG. 4A is a partially enlarged view of FIG. 4.

Figure 5 is the rear view of the two-sided swinging track at the same angle in this creation.

FIG. 5A is a partially enlarged view of FIG. 5.

Figure 6 is a rear view of the two-sided swinging track at different angles.

FIG. 6A is a partially enlarged view of FIG. 6.

Figure 7 is a plan view of the two-sided swinging track at different angles of the creation.

Figure 8-9 is a schematic diagram of the action of the universal joint between the connecting rod in the previous stage and the connecting rod in the back stage of this creation.

Figures 10-11 are schematic diagrams of the action of the frictional damper in the swing section of this creation.

Figure 12 is an example of an embodiment in which the backward-moving roller set is provided with an anti-off limit member before the creation .

Figure 13 is a diagram of an embodiment of the configuration in which the pivoting end of the present creation is provided at the rear end and the swinging section is provided at the front end.

FIG. 14 is an embodiment of the lateral swing type track of the present invention further provided with a second swing section and a second arc-shaped track cooperating with the rear frame portion.

Figure 15 is an example of an embodiment in which the swing section assembly of the present invention is provided with a magnetic damper.

Please refer to Figures 1 to 5 for the preferred embodiment of the elliptical machine with the function of freely controlling the lateral movement of the pedal, but these embodiments are for illustrative purposes only, and are not subject to this in the patent application Structural limitations.

The elliptical machine system includes the following structures: a base 10 in a forward-backward extension including a front frame portion 11 and a rear frame portion 12, and a front-back axis L1 is virtually created according to the shape of the base 10 And a lateral axis L2; a column 20 fixed on the front frame portion 11 of the base 10; a transmission mechanism 30 installed on the front frame portion 11 of the base 10, the transmission mechanism 30 includes a bracket 301 And a flywheel 32 mounted on the bracket 301 by a rotating shaft 31, wherein two ends of the rotating shaft 31 are respectively fixed with a crank 33, each crank 33 has a free end 335, and the free end 335 is fixedly connected with a Pivot 34; two lateral swinging rails 40, which are arranged on the rear frame portion 12 of the base 10 in a left and right spaced relationship, and each lateral swinging rail 40 includes a pivoting end 401 and a swinging area Section 402, wherein the pivoting end 401 is pivotally set at a fixed position of the rear frame portion 12, the swinging section 402 is of a type extending a length along the front-rear axis L1, and the swinging section 402 It is placed on the rear frame portion 12 in a displaceable state, and when the swing section 402 is controlled by an external force, the pivot end 401 is used as a pivot point and along the lateral axis The direction of the line L2 is a state in which the left and right sides swing freely to an arc-shaped trajectory; and two links and a stepping mechanism 50, each of the link and the stepping mechanism 50 is installed on the corresponding side of the transmission mechanism 30, and The two are connected to each other; each link and pedal mechanism 50 includes: a front link 51, the bottom of which is pivoted on the base 10, and the shaft side of the front link 51 is pivoted on Corresponding to the pivot 34 provided by the crank 33; a rear connecting rod 52 is connected to the rear end of the front connecting rod 51 in a universal transmission type, and the rear section of the rear connecting rod 52 is slid on the corresponding On the lateral swinging track 40; a pedal 53, the pedal 53 has a screwing portion 531 for screwing to the rear end portion of the corresponding rear link 52, forming the pedal 53 with the screwing The portion 531 is a pivotable pivotable state, and the pedal 53 group is provided with a rotation angle restraining limit device 54 for limiting the rotation restraining limit of the pedal 53 within a set angle range.

Preferably, the front link 51 includes a first elongated member 511 and a second elongated member 512. The first elongated member 511 and the second elongated member 512 are axially combined with each other In the telescopic state, the bottom end of the first elongated member 511 is pivotally mounted on the base 10; one side of the second elongated member 512 is pivotally mounted on the corresponding pivot 34 of the crank 33, which constitutes the crank When 33 is rotated, the second elongated member 512 is caused to produce an axial reciprocating motion relative to the first elongated member 511, thereby changing the length of the front link 51, and the rear link 52 is connected to the first The rear end of the two elongated members 512.

With the configuration and technical features of the above structure, as shown in Figure 3 (and please cooperate with Figures 1 and 2), when the user steps on each pedal 53, the flywheel 32 is driven to rotate through each front link 51 , And the front link 51 cooperates with the rotation angle of the flywheel 32 and the crank 33 to reciprocate telescopically, so that the movement of each pedal 53 exhibits an elliptical trajectory, and the user can selectively apply the lateral effect to the pedal 53 through the foot Force freely Do not control the swing section 402 of each lateral swing rail 40 to swing left and right to an arc-shaped track (to be described in detail later); then please refer to Figure 8 for more details. The shaft 71 of the joint 70 is perpendicular to the axis of the front link 51. The biggest difference between this creation and the current commercially available elliptical machine is mainly the addition of the two lateral swinging tracks 40 that can swing freely along the lateral axis L2 in the direction of the left and right arcs. Please refer to this part as shown in Figs. 4 and 4A. It is the state between each pedal 53 and its corresponding rear link 52 when the two lateral swing rails 40 have not yet deflected outward. Next, please refer to Figures 5 to 7 in order, when the user is stepping on the two pedals 53, he can selectively apply lateral force to one of the pedals 53 (or both pedals) at the same time. That is to say, the lateral swinging track 40 can be driven to swing from left and right to the arc-shaped track, so as to achieve the sports fitness effect of simultaneously exercising different muscle groups of the legs. In addition, since the two lateral swinging rails 40 disclosed in this work are independently pivoted on the base 10, they do not interfere with each other during operation, so that the yaw angle of the lateral swinging rail 40 and the pedal 53 The movement trajectory can be freely deflected according to the user's force. In addition, with the implementation of the pedal 53 set equipped with a rotation angle restraining limit device 54, the rotation restraining limit of the pedal 53 can be located within a set angle range to avoid the pedal 53 relative to its corresponding rear link The offset of 52 is too large, causing safety concerns.

As shown in FIG. 1, in this example, the rotation angle limiting device 54 is a rod shape extending along the front-rear axis L1. The rotation angle limiting device 54 has a front rod end 541 and a The rear rod end 542, the front rod end 541 is connected to the rear section of the second elongated member 512 of the front link 51 in a universal transmission type, and the rear rod end 542 is connected to the corresponding There is one place at the bottom of the pedal 53 and the place is arranged at a distance from the screwing portion 531 of the pedal 53. With this, when each of the laterally swinging rails 40 swings When the section 402 swings toward the arc-shaped trajectory on the left and right sides, the rotation-limiting limiting device 54 is configured to connect the rotation limits of the pedals 53 within a set angle range. The first elongated member 511 is a rod shape, and the second elongated member 512 is a sleeve shape sleeved around the outer periphery of the first elongated member 511.

As shown in Figs. 1 and 2, in this example, a horizontal bar 21 is further fixed at a height position of the column 20, and the two ends of the horizontal bar 21 extend toward the left and right sides and are provided with two swing arms Group 60, each of the swing arm groups 60 includes an upper arm lever portion 62 and a lower elbow lever portion 61 in an elbow joint relationship, wherein a grip 625 is provided near the upper end of the upper arm lever portion 62, and the upper arm lever portion 62 The shaft is pivotally mounted on the corresponding end of the crossbar 21, and the front end of the lower toggle 61 is pivotally mounted on the corresponding pivot 34 of the crank 33.

As shown in FIGS. 1, 4, 5, and 6, in this example, the rear frame portion 12 of the base 10 is provided with an arc-shaped track 121, and a swing section 402 of each lateral swing track 40 is provided with a bottom side The side-moving roller group 41 (note: not limited to one-wheel or double-wheel type), each side-moving roller group 41 is rolled and displaced on the arc-shaped track 121.

As shown in FIG. 4A, in this example, the rear section of each rear link 52 is further equipped with a forward and backward moving roller group 521 (Note: not limited to single wheel or double wheel types), the forward and backward moving roller group 521 is a rolling displacement on the corresponding lateral swinging track 40, and a rotating connecting member 522 is also installed between the front and rear moving roller set 521 and the rear section of the rear link 52 to make the front and rear moving rollers When the group 521 rolls on the lateral swing rail 40, it can synchronize with the lateral swing of the rear link 52 to generate a yaw.

As shown in Figures 8 and 9, in this example, the front end of the rear link 52 is connected to the rear end of the front link 51 by a universal joint 70; the universal joint 70 includes a link that penetrates the rear link The shaft 71 at the front end of 52, a set of universals set on the shaft 71 The bearing 72 and a shaft sleeve 73 provided on the outer wall of the universal bearing 72 are fixed to the rear end of the front link 51. The point that needs to be added to this example is that the rest of the components mentioned in this creation are connected with a universal transmission type. The specific structural details of the implementation mode can refer to this example and be specified.

As shown in FIGS. 10 and 11, the swing section 402 is further provided with a friction damper 80. The friction damper 80 includes a liftable friction portion 81 and a control mechanism for controlling the liftable friction portion 81 to move up and down. A braking member 82, and when the liftable friction portion 81 is in a descending state, it is pressed down against the corresponding arc-shaped rail 121 to generate a frictional force, so that the rolling displacement of the laterally moving roller set 41 has Resistance; and the braking member 82 adopts either electric or manual control type, as disclosed in this example, the braking member 82 is an electric control type, which mainly includes an electric drive 821, a cable 822 and A runner 823, wherein the rear end of the cable 822 bypasses the runner 823 and is connected to one of the liftable friction parts 81, the electric drive 821 can control the pull cable 822 and then the lift friction part 81 is generated Acting, this is only a preferred embodiment type, and not limited to this; the advantage of providing the disclosed friction damper 80 in this example is mainly to be able to control the displacement of the swinging section 402 relative to the arc-shaped track 121 The friction force at the time provides users with more choices in the operation of the elliptical machine.

As shown in FIG. 12, in this example, the front-rear moving roller set 521 is further provided with an anti-dropping limiting member 523, and the anti-dropping limiting member 523 has at least one abutment frame portion 524 for leaning against the The lateral portion of the lateral swing rail 40 prevents the forward and backward moving roller set 521 from falling out of the lateral swing rail 40 in a lateral path.

As shown in FIGS. 1 to 7, in this example, the configuration of both the pivot end 401 and the swing section 402 of each lateral swing rail 40 is that the pivot end 401 is in front and the swing section 402 is relative to the later configuration type. Also as shown in Figure 13 pivot set end 401 The configuration of both the swing section 402 is the configuration in which the pivot end 401 is behind and the swing section 402 is relatively front.

As shown in FIG. 14, in this example, the pivoting end 401 of each lateral swinging track 40 further extends at an end away from the swinging section 402 to form a second swinging section 91, and the second swinging A second roller set 92 is provided at the bottom of the section 91, so that the base 10 is provided with a second arc-shaped track 93 behind the frame portion 12 for the second roller set 92 to roll and displace thereon.

As shown in FIG. 15, in this example, the swing section 402 is further provided with a magnetic damper 85. The magnetic damper 85 includes a liftable magnetic attraction part 851 and a controllable liftable magnetic attraction One of the braking members 852 in the up and down state of the portion 851, the arc-shaped rail 121 is made of a magnetically conductive material, and when the liftable magnetic attraction portion 851 is in the down state, the corresponding arc-shaped rail 121 generates a magnetic force (as shown in the figure) The difference shown by the hollow arrow in the center) changes, so that the rolling displacement of the laterally moving roller set 41 has a resistance adjustment function; and the braking member 852 adopts any control type of electric or manual type.

10‧‧‧Base

11‧‧‧Front Frame Department

12‧‧‧Back frame

121‧‧‧ Curved Orbit

L1‧‧‧Fore and aft axis

L2‧‧‧Lateral axis

20‧‧‧pillar

21‧‧‧cross bar

30‧‧‧ Transmission mechanism

301‧‧‧Bracket

31‧‧‧spindle

32‧‧‧Flywheel

33‧‧‧Crank

335‧‧‧Free end

34‧‧‧Pivot

40‧‧‧Side swing track

401‧‧‧Pivot end

402‧‧‧swing section

41‧‧‧Move the wheel group sideways

50‧‧‧Link and pedal mechanism

51‧‧‧Front link

511‧‧‧The first long member

512‧‧‧Second elongate member

52‧‧‧ Rear link

521‧‧‧Move the wheel set forward and backward

53‧‧‧ pedal

531‧‧‧Rotating Department

54‧‧‧Angle suppression limit device

541‧‧‧Front rod end

542‧‧‧ Rear rod end

62‧‧‧Upper arm

61‧‧‧Lower elbow

625‧‧‧grip

Claims (13)

An elliptical machine with the function of freely controlling the lateral movement of the pedal. The elliptical machine includes: a base, which extends in a front-back direction and includes a front frame portion and a rear frame portion, and is virtually generated according to the shape of the base A front-rear axis and a lateral axis; a post fixed on the front frame portion of the base; a transmission mechanism installed on the front frame portion of the base, the transmission mechanism includes a bracket and a rotating shaft A flywheel provided on the bracket, wherein two ends of the rotating shaft are respectively fixed with a crank, each of the cranks has a free end, and the free end is fixed with a pivot; the two lateral swinging tracks are separately located at The rear frame portion of the base is arranged in a left and right spaced relationship, and each lateral swinging track includes a pivoting end and a swinging section, wherein the pivoting end is pivotally assembled at a fixed position of the rear frame portion, The swing section extends along the front-back axis for a length, and the swing section is placed on the rear frame in a displaceable state, and when the swing section is controlled by an external force, The pivotal end is used as a pivot point, and the left and right sides are free to swing along the lateral axis; and two connecting rods and stepping mechanisms, each of which is installed on The transmission mechanism is corresponding to one side, and the two are in a mutually connected relationship; each of the connecting rod and the stepping mechanism includes: a front link, the bottom end of which is pivotally arranged on the base, and the rod of the front link One side of the body is pivoted on the corresponding pivot set by the crank; a rear link is connected to the front link in a universal transmission type at the front end The rear end, the rear section of the rear link is slid on the corresponding lateral swinging track; and a pedal with a screw joint for rotating the rear of the corresponding rear link The end part constitutes that the pedal is in a state of being able to rotate under the force of the rotation part as the pivot point, and the pedal group is equipped with a rotation angle restraining limit device for limiting the rotation restraining limit of the pedal within a set angle range; In this way, when the user steps on each pedal, the flywheel is driven to rotate through each of the front link, and the front link is reciprocated to expand and contract with the rotation angle of the flywheel and crank, so that the movement of each pedal It presents an elliptical trajectory, and the user can selectively control the oscillating section of the lateral oscillating rail to swing left and right to the arc trajectory through the lateral force applied to the pedal by the foot. . The elliptical machine with the function of freely controlling the lateral movement stroke of the pedal as described in item 1 of the patent scope, wherein the front link includes a first elongated member and a second elongated member, the first elongated member And the second elongated member are axially combined with each other and are in a retractable state, the bottom end of the first elongated member is pivoted on the base; one side of the second elongated member is pivoted on the corresponding The pivot provided on the crank constitutes that when the crank rotates, it drives the second elongated member to produce an axial reciprocating motion relative to the first elongated member, thereby changing the length of the front link and the rear link The rod system is connected to the rear end of the second elongate member. The elliptical machine with the function of freely controlling the lateral movement stroke of the pedal as described in item 2 of the patent application scope, wherein the rotation angle restraining and limiting device is a rod type extending along the front-rear axis and the rotation angle restraining limit The positioning device has a front rod end and a rear rod end. The front rod end is connected to the rear section of the second elongated member of the front link by a universal transmission type, and the rear rod end is connected to a corresponding one of the bottoms of the pedals by a universal transmission type. The rotation parts of the pedal are arranged at intervals. As described in Item 3 of the patent application scope, an elliptical machine with freely controlling the lateral movement stroke of the pedal, wherein the first elongated member is of a rod shape, and the second elongated member is sleeved on One of the outer circumferences of the first elongate member is of the sleeve type. The elliptical machine with the function of freely controlling the lateral movement stroke of the pedal as described in Item 4 of the patent application scope, wherein the rear frame portion of the base is provided with an arc-shaped track, and the bottom of the swing section of each of the lateral swing-type tracks A side-moving roller group is installed, and each of the side-moving roller groups is connected to the arc-shaped track for rolling displacement. The elliptical machine with the function of freely controlling the lateral movement of the pedal as described in item 4 of the scope of the patent application, wherein the rear section of each rear link is further equipped with a forward and backward moving roller set, which is attached to Corresponding to the rolling displacement on the laterally oscillating track, and a rotary connecting piece is also installed between the forward and backward moving roller set and the rear section of the rear link, so that the forward and backward moving roller set is on the laterally oscillating type When rolling on the track, it can be synchronized with the lateral swing of the rear link to produce yaw. The elliptical machine with the function of freely controlling the lateral movement of the pedal as described in item 6 of the patent scope, wherein the front-rear moving roller set is further provided with an anti-off limit member, and the anti-off limit member has at least one The abutment portion is used to lean against the side of the laterally swinging track, thereby preventing the forward and backward moving roller group from falling out of the lateral swing in a lateral path Style track. As described in item 6 of the patent application scope, an elliptical machine with a function of freely controlling the lateral movement of the pedal, wherein the configuration of both the pivoting end and the swinging section of each lateral swinging track is for the pivoting The end is in front and the swing section is relatively rearward. The elliptical machine with the function of freely controlling the lateral movement stroke of the pedal as described in item 8 of the patent scope, wherein the pivot end of each lateral swinging track is further extended at the end away from the swinging section to form a second The swinging section is provided with a second roller set at the bottom of the second swinging section, so that a second arc-shaped track is provided in cooperation with the rear frame portion of the base for the rolling displacement of the second roller set. As described in item 6 of the patent application scope, an elliptical machine with a function of freely controlling the lateral movement of the pedal, wherein the configuration of both the pivoting end and the swinging section of each lateral swinging track is for the pivoting The configuration of the swing section relative to the front is at the end. The elliptical machine with the function of freely controlling the lateral movement of the pedal as described in item 1 of the patent scope, wherein the front end of the rear link is connected to the rear end of the front link by a universal joint; the universal joint is It includes a shaft penetrating the front end of the rear connecting rod, a set of universal bearings on the shaft, and a shaft sleeve rotating on the outer wall of the universal bearing, the shaft sleeve is fixed on the front link Back end. As described in Item 5 of the patent application range, an elliptical machine with freely controlling the lateral movement stroke of the pedal, wherein the swing section is further provided with a friction type damper, the friction type damping The device includes an elevating friction part and a braking member for controlling the elevating friction part of the elevating friction part, and when the elevating friction part is in a descent state, it is pressed down against the corresponding arc-shaped track Friction force, so that the rolling displacement of the side-moving roller set has resistance; and the braking member adopts any control type of electric type or manual type. The elliptical machine with the function of freely controlling the lateral movement stroke of the pedal as described in item 5 of the patent application scope, wherein the swing section is further provided with a magnetic suction damper including a liftable magnetic suction part And a braking member for controlling the lifting state of the liftable magnetic attraction part, and the arc-shaped track is made of magnetic conductive material, when the liftable magnetic attraction part is in a descending state, it is generated corresponding to the arc-shaped track The difference in magnetic force changes, so that the rolling displacement of the laterally moving roller set has a resistance adjustment function; and the braking member adopts any control type of electric or manual type.

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