KR200429306Y1 - Treadmill having changeable suspension - Google Patents

Abstract

A treadmill comprising a tread deck supported on a tread base and at least one cushioning member disposed below and engaged with the tread deck to cushion the tread deck and absorb shock loads imparted to the tread deck by a user, the at least one The cushion member of may comprise another elasticity that exerts another cushioning force on the tread deck when the at least one cushion member is rotated relative to the tread base. A rod is disposed on the tread base that supports the at least one cushion member. One or more gears are attached to the rod and engage a rack of the tread base to rotate the rod and the cushion members relative to the tread base when the rod and the gear are moved relative to the rack.

Treadmills, Shock Absorbers, Cushion Elements, Racks

Description

Treadmill having changeable suspension

1 is a perspective view of a treadmill according to the present invention;

2 is a perspective view showing the tread base of the treadmill;

3 is a partially enlarged perspective view of the tread base of the treadmill;

4 is a partial cross-sectional view of the tread base according to line 4-4 of FIG. 2;

5 is a partial sectional view similar to FIG. 4 showing the operation of the treadmill;

6 is a partial schematic view of the tread base shown in FIG. 3;

7 is a partial cross-sectional view of the tread base along line 7-7 of FIG. 3;

8 is a partial cross-sectional view similar to FIG. 7 showing another arrangement of the treadmill;

9 is a partially enlarged perspective view of the tread base shown in FIG. 8; And

10 is a perspective view similar to FIG. 2 showing another arrangement of the treadmill.

FIELD OF THE INVENTION The present invention relates to treadmills and, more particularly, to treadmills having variable or adjustable cushioning systems that variably or tunably support the treadmill deck and provide varying impacts for different users.

Conventional treadmills include a treadmill deck supported on a base frame or treadmill base and a circulation belt engaged around the treadmill to support users. A spring structure is further provided and arranged between the treadmill base and the treadmill deck to provide an elastic or cushioning effect for the users.

For example, US Pat. No. 5,827,155 to Jensen et al. Discloses one of the conventional treadmills having an adjustable spring structure having longitudinally extending leaf springs that adjust to different elasticity with sliding adjustment bars. However, the adjustment bar cannot be accurately moved or adjusted with respect to the treadmill base and cannot be easily adjusted or operated by users.

US Pat. No. 5,993,358 to Gregian et al. Discloses another conventional treadmill comprising a spring-loaded adjustable or controllable cushioning system and a controllable device that provides user variability shock suppression. However, controllable cushioning systems include very complex configurations that are not easy to manufacture and which are disadvantageous for marketing purposes.

Further, US Pat. No. 6,013,011 to Moore et al. Discloses a conventional treadmill comprising long springs of adjustable strength to absorb impact loads imposed on the deck by users. However, long springs cannot be easily adjusted to other elasticities.

The present invention seeks to alleviate and / or eliminate the above drawbacks of conventional buffer systems for treadmills.

It is a primary object of the present invention to provide a treadmill comprising a variable or adjustable cushioning system that variably or adjustablely supports a treadmill deck and suppresses various impacts depending on the user.

According to one aspect of the present invention, a tread base, a tread deck supported on the tread base, and disposed under and engaged with the tread deck cushioning the tread deck and absorbing the impact load imposed on the tread deck by a user. At least one cushion member, wherein the cushion member includes another elasticity that exerts another cushioning force on the tread deck when the cushion member is rotated relative to the tread base.

A rod is also provided and the rod is slidably or rotatably received and supported by the tread base supporting the cushion member. The tread base comprises two side beams each having a channel for receiving the ends of the rod. The rod includes at least one gear rotatably disposed on the rod and connected to the cushion member and at least one rack attached to the tread base and engaged with the gear and the gear and the tread base relative to the rack when the gear is moved relative to the rack. Rotate the cushion member. A collar is rotatably disposed on the rod and connected to the cushion member and the gear.

In addition, a moving device is provided for moving the rod relative to the tread base. For example, the means of movement comprises an actuator connected between the rod and the tread base to move the rod relative to the tread base.

The cushion member includes one or more curved grooves that form another elasticity in the cushion member. Each of the curved grooves of the cushion member includes a depth that varies from a wider end to a narrower end to form another elasticity in the cushion member.

Further objects and advantages of the present invention will become apparent through a thorough interpretation of the detailed description provided below with appropriate reference to the accompanying drawings.

1 to 7, a treadmill according to the present invention comprises a tread deck 20 comprising two side beams 11 and one or more bars 12 laterally disposed or spanned between the beams. ) (FIGS. 4-8). The tread base 10 supports a typical control panel or control device 14 that is generally provided for controlling the treadmill, including a typical support 13 extending upward from the front of the tread base.

The tread base 10 further includes a typical circulation belt (not shown) that can engage around or over the tread deck 20 to move around the tread deck 20 to allow the user to perform a jogging or running workout. The tread base 10 further includes a typical power or motor drive (not shown) to rotate or recirculate the circulation belt.

Move. The tread base 10 further includes a typical folding structure to allow the treadmill to be folded into a compact folding or receiving structure. The structure of the treadmill is general and will not be described in more detail.

The treadmill according to the present invention provides a variable or adjustable suspension system 30 to variably or adjustablely support the tread deck 20 and to suppress the impact of various users. For example, each of the one or two side beams 11 of the tread base 10 includes a rectangular hole or channel 16 formed in the middle portion 17 thereof, and is attached or fixed to the middle portion 17. And a rack 18 arranged or aligned in parallel with the channel 16 of each side beam 11.

The adjustable cushioning system 30 includes a rod 31 having two ends 32 that are slidably and / or rotatably received in the channels 16 of the side beams 11 (FIGS. 7 to 7). 8), the rods 31 may include one or more, for example, two bushings or collars 33 rotatably engaged on the ends 32 of the rod 31. Rotate with respect to One or more, for example two gears 35, are attached or secured over the rings 33 and rotated in line with the rings 33 to engage each of the racks 18, such that the rings 33 and the gears are engaged. Causes the field 35 to rotate relative to the rod 31 or tread base 10.

The adjustable cushioning system 30 further comprises one or more, for example two elastic or cushioning members 36, attached or secured over the rings 33 and rotated in line with the rings 33. . The resilient or cushioning members 36 may be made of rubber or synthetic materials and are engaged or arranged directly underneath the tread deck 20 to elastically cushion the tread deck 20 and to tread by users. Absorbs the impact load applied to the deck 20.

As shown in FIGS. 3 to 7, each of the cushion members 36 comprises one or more, for example two opposing, curved grooves 37 formed therein (FIG. 7) each of which Having a varying thickness or depth from the wider or larger end 38 to the narrower or smaller end 39 to form a different or varying elastic or cushioning force within or around each of the cushioning members 36, or When the cushion members 36 are rotated relative to the tread base 10, each of the cushion members 36 has a different elasticity to fit on the tread deck 20.

As shown in FIGS. 1-2 and 4-5, the adjustable cushioning system 30 is connected to the rod 31 and pivotally connected to one of the bars 12 with a coupler 41. It further comprises a drive, actuation or movement means or device 40. The power drive or movement device 40 which moves the rod 31 along the channels 16 of the side beams 11 to rotate the cushion members 36 relative to the rod 31 or tread base 10 Pneumatic or hydraulic actuators, motors to adjust or change the position of grooves 37 of varying or gradually varying thickness or depth and to adjust or change the elasticity or cushioning force of the cushion members 36 applied to the tread deck 20. Drive bolt nut devices, solenoid actuating devices and the like.

As shown in FIGS. 4 to 7, when the rod 31 moves or slides along the channels 16 of the side beams 11 in operation, the engagement between the racks 18 and the gears 35 is achieved. This causes the gears 35 and the cushion members 36 to rotate relative to the rod 31 or tread base 10. 4 to 5, when the rod 31 moves or slides along the channels 16 of the side beams 11 and the gears 35 and the cushion members 36 are loaded 31. Alternatively, when rotated relative to the tread base 10, grooves 37 of varying or gradually varying thickness or depth may change the resilience or cushioning force of the cushion members 36 applied to the tread deck 20.

The power drive, actuation or means of movement or device 40 can be controlled remotely or by wires via the control panel or control device 14 so that the user can enter the tread deck 20 without stopping the jogging or running movement. It is desirable to easily adjust the elasticity or cushion force of the applied cushion members 36.

Optionally, as shown in FIGS. 8 and 9, the curved groove 37 may be one curved groove 37 formed through both sides of the cushion members 36, and the wider or larger end 38 Tread deck 20 includes cushion members 36 when the cushion members 36 are rotated relative to the tread base 10, including a thickness or depth that varies gradually from the narrower to the smaller end 39. Force a change or adjustable elastic or cushioning force relative to the

As shown in FIG. 10, a knob 50 may optionally be attached to the rod 31 and the gears 35 and cushioned, optionally also without power driving, actuating or moving means or device 40. The members 36 can be fixed to the rod 31 and rotated in line with the rod 31 to manually rotate the rod 31 and the cushion members 36 relative to the tread base 10, B to change or adjust the position of the grooves 37 of varying thickness or depth, and to adjust or change the elasticity or cushioning force of the cushion members 36 applied to the tread deck 20.

Accordingly, the treadmill according to the present invention includes a variable or adjustable cushioning system to variably or tunably support the treadmill and to suppress the impact of various users.

Although the present invention has been described in some detail, the present disclosure has been disclosed by way of example only, and numerous changes in the description and the combination and arrangement of parts may be made within the spirit and scope of the invention.

Claims (5)

Tread Bass, A tread deck supported on the tread base, At least one cushion member disposed on and engaged with the tread deck to cushion the tread deck and absorb the impact load imposed by the user on the tread deck, and A treadmill comprising a rod slidably received and supported by the tread base supporting the at least one cushion member, The at least one cushion member has a different elasticity that exerts another cushioning force on the tread deck when the at least one cushion member is rotated relative to the tread base, The tread base includes two side beams each having a channel for receiving ends of the rod, the rod being at least one gear rotatably disposed on the rod and connected to the at least one cushion member and the tread. The at least one gear and the at least relative to the tread base when the at least one gear is moved relative to the at least one rack, including at least one rack attached to a base and engaged with the at least one gear. A treadmill, characterized by rotating one cushion member. Further comprising moving means for moving said rod relative to said tread base, And said moving means comprises an actuator connected between said rod and said tread base for moving said rod relative to said tread base. The treadmill of claim 1, wherein the at least one cushion member comprises at least one curved groove forming different elasticity in the at least one cushion member. 4. The treadmill of claim 3, wherein the at least one bent groove of the at least one cushion member includes a depth that varies from a wider end to a narrower end. The treadmill of claim 1, wherein the at least one cushion member comprises two opposing curved grooves that form different elasticity in the at least one cushion member.

Images