Step simulator having pace adjustment device

Details Step simulator having pace adjustment device Step simulator having pace adjustment device

2002-12-20

2004-04-13

Lucchesi, Nicholas D. (Department: 3764)

Exercise devices

Involving user translation or physical simulation thereof

Stair climbing

C482S057000, C482S062000

Reexamination Certificate

active

06719665

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to step simulators and more particularly to a step simulator having pace adjustment device which can reduce the oscillatory range of the elliptic orbit movement for the tread bars in order to adjust the step pace and to contract the size for the step simulator.
A prior art step simulator
10
(as shown in
FIG. 1
) comprises a L-shaped stand
11
, a driving wheel
15
and a belt wheel
16
pivoted on several connecting bars
12
,
13
and
14
. The driving wheel
15
drives the belt wheel
16
via a belt
151
and has a crank
17
on each lateral side to respectively pivot a pair of tread bars
171
each of which has a pedal
18
on the top and a caster
172
on rear end. When treads the tread bars
171
with appropriate strength, the tread bars
171
begin to rotate up and down on the cranks
17
and the pedals
18
move along with an elliptic orbit so as to obtain effective physical exercises for an operator. For reducing the rotation speed of the driving wheel
15
, the belt wheel
16
is indispensable in this step simulator
10
. So that the size of this step simulator
10
is therefore enlarged causing inconvenience to pack for transportation.
Furthermore, the tread bars
171
are directly pivoted to the cranks
17
which rotate along with the circumference of a large circle so as to cause the vertical oscillatory range of the tread bars
171
and the feet of the operator too large to compare with that a man walks on the ground.
The feet of the operator too large to compare with that a man walks on the ground. For example the patents of the U.S. Pat. No. 5,938,567, U.S. Pat. No. 5,924,962, U.S. Pat. No. 5,813,949, U.S. Pat. No. 5,573,480 and U.S. Pat. No. 5,540,637 also is such.
SUMMARY OF THE PRESENT INVENTION
The present invention has a main object to provide a step simulator having pace adjustment device which reduces the vertical oscillatory range for the pace to enable the exercises of an operator more like that a man walks on the ground.
Another object of the present invention is to provide a step simulator having pace adjustment device which device can adjust the step length in order that the step simulator can serve both the adults and children.
Further object of the present invention is to provide a step simulator having pace adjustment device which the step simulator is in compact size to facilitate packing for transportation and requires a small space to place it.


REFERENCES:
patent: 5766113 (1998-06-01), Rodgers, Jr.
patent: 5846166 (1998-12-01), Kuo
patent: 6077196 (2000-06-01), Eschenbach
patent: 6422977 (2002-07-01), Eschenbach
patent: 6482132 (2002-11-01), Eschenbach
Tobias, Exercise Device, Pub. No. US 2002/0137601, Sep. 26, 2002.*
Stearns et al. Exercise Apparatus with Elliptical Foot Motion, U.S. Pub. No. US 2002/0151411, Oct. 17, 2002.*
Eschenbach, Pathfinder Elliptical Exercise Machine, U.S. Pub. No. 2002/0019298.

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