Both feet-used arch swinging exerciser

Details Both feet-used arch swinging exerciser Both feet-used arch swinging exerciser

2000-11-29

2002-04-16

Crow, Stephen R. (Department: 3764)

Exercise devices

Miscellaneous

C601S098000, C601S092000, C601S089000

Reexamination Certificate

active

06371897

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention is related to a both feet-used arch swinging exerciser, and more particularly to a swinging exerciser swingable through a unique arch swinging path so that the arch swinging exerciser not only can horizontally swing and exercise both feet, but also can intermittently vertically exercise both feet. Therefore, the feet are more smoothly exercised to eliminate the tiredness of the feet and expedite blood circulation of the feet, legs and waist of the user. In addition, the safety in use of the arch swinging exerciser can be ensured.
FIGS. 1
to
3
shows a conventional both feet-used swinging exerciser which is horizontally reciprocally movable. Such exerciser includes:
a hollow housing
910
having a bottom board
911
and a casing
912
defining a receiving space;
a driving unit
920
fixed on the bottom board
911
and having a rotary output shaft
921
, a circular rotary block
922
being disposed on the output shaft
921
, a driving rod
923
extending from the rotary block
922
in parallel to the output shaft
921
and being spaced from the output shaft
921
by a certain distance d; and
a horizontally swinging mechanism
80
including two horizontal slide rods
81
fixed on the bottom board
911
, a horizontally movable block
82
and an extension rack
83
on which both feet are rested. The movable block
82
is formed with a central longitudinal slot
821
cooperating with the driving rod
923
.
Please refer to
FIGS. 4A
to
4
D which show the operation of the conventional swinging exerciser. The four figures respectively show the states that the driving rod
923
is rotated to an uppermost position, a leftmost position, a lowest position and a rightmost position. However, no matter where the driving rod
923
is positioned, the extension rack
83
of the horizontally swinging mechanism
80
can be only horizontally moved. That is, both feet of a user can be only horizontally moved and exercised left and right.
Moreover, it is known that the length from the heels of both legs to the hip of a user is the same. Therefore, when the extension rack
83
is horizontally outward moved to the outermost position, the heel of the outward foot will be forcedly pulled by the extension rack
83
outward by a certain distance. Accordingly, in case that the swinging exerciser is improperly used, (for example, the swinging exerciser swings at too fast speed) or the user has poor body property (such as an old man suffering osteoporosis), the lumber bones of the user may get injured. Therefore, the safety in use of the conventional swinging exerciser cannot be ensured.
SUMMARY OF THE INVENTION
It is therefore a primary object of the present invention to provide a both feet-used arch swinging exerciser which not only can horizontally swing and exercise both feet of a user, but also can intermittently vertically exercise both feet.
It is a further object of the present invention to provide the above swinging exerciser by which the feet of the user are more smoothly exercised through an arch path without being pulled outward by a small distance. Therefore, the lumber bones of the user are protected from being injured and the safety in use of the swinging exerciser can be ensured.
It is still a further object of the present invention to provide the above swinging exerciser which is able to eliminate the tiredness of the feet and expedite blood circulation of the feet, legs and waist of the user.
The present invention can be best understood through the following description and accompanying drawings wherein:


REFERENCES:
patent: 5328443 (1994-07-01), Lee
patent: 5411469 (1995-05-01), Wang
patent: 5417644 (1995-05-01), Lee
patent: 6056706 (2000-05-01), Hung

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