U.S. patent application number 13/136200 was filed with the patent office on 2013-01-31 for cycling exercise machine having adjustable element.
This patent application is currently assigned to Sports Art Industrial Co., Ltd.. The applicant listed for this patent is Hai Pin Kuo. Invention is credited to Hai Pin Kuo.
Application Number | 20130029808 13/136200 |
Document ID | / |
Family ID | 47597673 |
Filed Date | 2013-01-31 |
United States Patent
Application |
20130029808 |
Kind Code |
A1 |
Kuo; Hai Pin |
January 31, 2013 |
Cycling exercise machine having adjustable element
Abstract
A cycling exercise machine includes a housing rotatably attached
to a shaft of a stationary base and having two channels, a carrier
having two levers slidably engaged in the channels of the housing
respectively, a foot support attached to the carrier, a latch
attached to the housing, and a spring biasing member engaged with
the latch for biasing and forcing the latch to engage with either
of the levers and to anchor and retain the carrier and the levers
and the foot support to the housing at the required or
predetermined position and for allowing the users of different
statuses or postures or sizes or dimensions or legs to suitably
actuate or operate the cycling exercise machine.
Inventors: |
Kuo; Hai Pin; (Tainan,
TW) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
Kuo; Hai Pin |
Tainan |
|
TW |
|
|
Assignee: |
Sports Art Industrial Co.,
Ltd.
|
Family ID: |
47597673 |
Appl. No.: |
13/136200 |
Filed: |
July 25, 2011 |
Current U.S.
Class: |
482/57 |
Current CPC
Class: |
A63B 2022/0629 20130101;
A63B 2225/09 20130101; A63B 22/0605 20130101 |
Class at
Publication: |
482/57 |
International
Class: |
A63B 22/06 20060101
A63B022/06 |
Claims
1. A cycling exercise machine comprising: a stationary base
including a shaft, a crank device including a housing rotatably
attached to said shaft and to be rotated relative to said shaft,
said housing including two channels formed therein, a carrier
including a first lever and a second lever slidably engaged in said
channels of said housing respectively and to be moved and adjusted
relative to said housing, an element attached to said carrier, a
latch attached to said housing, and a spring biasing member engaged
with said latch for biasing and forcing said latch to engage with
said first lever and to anchor and retain said carrier and said
levers and said foot support to said housing at a required
position.
2. The cycling exercise machine as claimed in claim 1, wherein said
carrier includes a gasket attached to each of said levers and
slidably engaged in said channel of said housing for facilitating a
movement of said lever in said channel of said housing.
3. The cycling exercise machine as claimed in claim 1, wherein said
first lever includes a plurality of orifices formed therein for
selectively engaging with said latch and for anchoring said levers
and said carrier to said housing at the required position.
4. The cycling exercise machine as claimed in claim 1, wherein said
element is selected from a foot support.
5. The cycling exercise machine as claimed in claim 1, wherein said
element is selected from a handle.
Description
BACKGROUND OF THE INVENTION
[0001] 1. Field of the Invention
[0002] The present invention relates to a cycling exercise machine,
and more particularly to a cycling exercise machine including an
adjustable crank device for adjusting the foot pedals or the foot
supports or the handle relative to the stationary frame and for
allowing the users of different statuses or postures or sizes or
dimensions or legs to suitably use or operate the cycling exercise
machine.
[0003] 2. Description of the Prior Art
[0004] Typical cycling exercise machines comprise a stationary base
or frame, and a pair of cranks pivotally or rotatably attached or
mounted or secured onto the stationary base or frame for being
engaged with and stepped or actuated by the users in order to
conduct various kinds of peddling or cycling exercises and so as to
train the lower muscle groups of the users.
[0005] For example, U.S. Pat. No. 3,704,886 to Kay et al., U.S.
Pat. No. 3,940,128 to Ragone, U.S. Pat. No. 3,995,491 to Wolfla,
II, U.S. Pat. No. 4,708,128 to Ancillotti, U.S. Pat. No. 4,955,599
to Bersonnet et al., U.S. Pat. No. 4,973,046 to Maxwell, U.S. Pat.
No. 5,108,092 to Hurst, U.S. Pat. No. 5,163,886 to Seol, and U.S.
Pat. No. 6,132,341 to Lin disclose several of the typical cycling
exercise machines each comprising a pair of cranks pivotally or
rotatably attached or mounted or secured onto a stationary base or
frame and arranged for allowing the users to step or actuate or
operate the foot pedals or the foot supports of the typical cycling
exercise machines.
[0006] However, normally, the cranks include a predetermined length
that may not be changed or adjusted, such that the foot pedals or
the foot supports that are attached or mounted or secured onto the
cranks also may not be changed or adjusted to different positions
or locations relative to the cranks and the stationary base or
frame, and such that the typical cycling exercise machines may not
be suitably and effectively stepped or actuated or operated by the
users of different statuses or postures or sizes or dimensions or
legs.
[0007] In addition, normally, the handle is also solidly or fixedly
attached or mounted or secured onto the stationary base or frame,
and may not be adjusted relative to the stationary base or frame to
the required or predetermined positions or locations, such that the
typical cycling exercise machines also may not be suitably and
effectively actuated or operated by the users of different statuses
or postures or sizes or dimensions.
[0008] The present invention has arisen to mitigate and/or obviate
the afore-described disadvantages of the conventional cycling
exercise machines.
SUMMARY OF THE INVENTION
[0009] The primary objective of the present invention is to provide
a cycling exercise machine including an adjustable crank device for
adjusting the foot pedals or the foot supports or the handle
relative to the stationary frame and for allowing the users of
different statuses or postures or sizes or dimensions or legs to
suitably use or operate the cycling exercise machine.
[0010] In accordance with one aspect of the invention, there is
provided a cycling exercise machine comprising a stationary base
including a shaft, a crank device including a housing rotatably
attached to the shaft and to be rotated relative to the shaft, the
housing including two channels formed therein, a carrier including
two levers slidably engaged in the channels of the housing
respectively and to be moved and adjusted relative to the housing,
an element attached to the carrier, a latch attached to the
housing, and a spring biasing member engaged with the latch for
biasing and forcing the latch to engage with either of the levers
and to anchor and retain the carrier and the levers and the foot
support to the housing at a required or predetermined position or
location and for allowing the users of different statuses or
postures or sizes or dimensions or legs to suitably use or operate
the cycling exercise machine.
[0011] The carrier includes a washer or gasket attached to each of
the levers and slidably engaged in the channel of the housing for
facilitating the sliding movement of the lever in the channel of
the housing.
[0012] The first lever includes a plurality of orifices formed
therein for selectively engaging with the latch and for anchoring
the levers and the carrier to the housing at the required or
predetermined position or location.
[0013] The element which is attached to the carrier may be selected
from a foot support or foot pedal for engaging with the feet of the
user, or a handle for engaging with the hands of the user, or the
other supporting elements.
[0014] Further objectives and advantages of the present invention
will become apparent from a careful reading of the detailed
description provided hereinbelow, with appropriate reference to the
accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
[0015] FIG. 1 is a perspective view of a cycling exercise machine
in accordance with the present invention;
[0016] FIG. 2 is a partial exploded view of the cycling exercise
machine;
[0017] FIG. 3 is another partial exploded view of the cycling
exercise machine;
[0018] FIG. 4 is a partial cross sectional view of the cycling
exercise machine taken along lines 4-4 of FIG. 2;
[0019] FIG. 5 is another partial cross sectional view similar to
FIG. 4, illustrating the operation of the cycling exercise machine;
and
[0020] FIG. 6 is a perspective view illustrating the other
arrangement of the exercise machine.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
[0021] Referring to the drawings, and initially to FIG. 1, a
cycling exercise machine 1 in accordance with the present invention
comprises a stationary frame or base 10 including a chair or seat
11 for supporting the user thereon, and a crank device 3 for
attaching or mounting or securing onto the spindle or shaft 12
(FIG. 2) of the stationary frame or base 10 and for attaching or
coupling or supporting or mounting or securing an element 50, such
as the foot pedals or foot supports 50 (FIGS. 1, 2), or the handle
60 (FIG. 6) to the crank device 3, and the crank device 3 includes
an adjustable construction or structure or mechanism for adjusting
the foot pedals or foot supports 50 relative to the stationary base
10 and the shaft 12, and for allowing the users of different
statuses or postures or sizes or dimensions or legs to suitably
step or actuate or operate the foot pedals or foot supports 50 of
the cycling exercise machine 1.
[0022] As shown in FIGS. 2-4, the crank device 3 includes a body or
housing 30 pivotally or rotatably attached or mounted or secured to
the shaft 12 with joints or journal bearings (not shown) for
allowing the housing 30 to be pivoted or rotated relative to the
shaft 12 of the stationary base 10. The housing 30 includes one or
more (such as two) longitudinal grooves or channels 31, 32 formed
therein and opened downwardly (FIGS. 4, 5). The crank device 3
further includes a block or carrier 33, and one or more (such as
two) arms or rods or levers 34, 35 attached or mounted or secured
to the carrier 33 with fasteners 40, and the levers 34, 35 are
slidably received or engaged in the channels 31, 32 of the housing
30 respectively with gaskets 41 or other bearing members for
allowing the carrier 33 to be moved or adjusted toward or away from
or relative to the housing 30, in which the gaskets 41 are attached
or mounted or secured to the levers 34, 35 of the carrier 33 and
slidably received or engaged in the channels 31, 32 of the housing
30 respectively for facilitating the movement of the levers 34, 35
of the carrier 33 in the channels 31, 32 of the housing 30.
[0023] The foot pedals or foot supports 50 are pivotally or
rotatably attached or mounted or secured to the carriers 33 with
joints or journal bearings (not shown) for allowing the foot pedals
or foot supports 50 to be pivoted or rotated relative to the
carriers 33 and to be stepped or actuated or operated by the users
in order to conduct various kinds of peddling or cycling exercises
and so as to train the lower muscle groups of the users. One of the
levers 35 may include one or more (such as three) orifices 36
formed therein for adjusting purposes. A latch 37 is slidably
attached or mounted or secured to the housing 30, and a spring
biasing member 38 is attached or mounted onto the latch 37 and
engaged between the latch 37 and the housing 30 for biasing or
forcing the latch 37 to engage with either of the orifices 36 of
the lever 35 (FIGS. 4, 5).
[0024] In operation, as shown in FIGS. 4 and 5, the levers 34, 35
may be slidably received or engaged in the channels 31, 32 of the
housing 30 respectively and may be moved or adjusted toward or away
from or relative to the housing 30 to the required or predetermined
positions or locations relative to the housing 30, and the latch 37
may then be released, and the spring biasing member 38 may bias or
force the latch 37 to engage with either of the orifices 36 of the
lever 35 and to anchor or secure or retain the carriers 33 and the
levers 34, 35 to the housing 30 at the required or predetermined
positions or locations, and thus for allowing the foot pedals or
foot supports 50 to be moved or adjusted toward or away from or
relative to the shaft 12 and the housing 30 to the required or
predetermined positions or locations.
[0025] Alternatively, as shown in FIG. 6, the housing 30 of the
crank device 3 may also be attached or mounted or secured to the
other positions or locations of the stationary base 100 of the
other exercise machines or mechanisms or devices, and may also
include a carrier 33 having a pair of levers 34, 35 slidably
received or engaged into the housing 30 for attaching or mounting
or securing or coupling or supporting the other parts or elements
60, such as the handle 60 or the like, and arranged for allowing
the handle 60 to be moved or adjusted toward or away from or
relative to the housing 30 and the stationary base 100 to the
required or predetermined positions or locations.
[0026] Accordingly, the cycling exercise machine in accordance with
the present invention includes an adjustable crank device for
adjusting the foot pedals or the foot supports or the handle
relative to the stationary frame and for allowing the users of
different statuses or postures or sizes or dimensions or legs to
suitably use or operate the cycling exercise machine.
[0027] Although this invention has been described with a certain
degree of particularity, it is to be understood that the present
disclosure has been made by way of example only and that numerous
changes in the detailed construction and the combination and
arrangement of parts may be resorted to without departing from the
spirit and scope of the invention as hereinafter claimed.
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