Exercise devices – Involving user translation or physical simulation thereof – Rowing
Reexamination Certificate
2003-02-21
2004-01-27
Crow, Stephen R. (Department: 3764)
Exercise devices
Involving user translation or physical simulation thereof
Rowing
C482S062000
Reexamination Certificate
active
06682462
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to an exerciser, more particularly to a dual-purpose exerciser operable in pedaling and rowing modes.
2. Description of the Related Art
As shown in
FIG. 1
, a conventional rowing-type exerciser includes a frame unit
1
and a drive unit
2
. The frame unit
1
has a pair of foot rests
101
(only one is visible) mounted fixedly and respectively on lateral sides of a front section thereof, and a seat
102
. The drive unit
2
includes a first belt wheel
201
mounted rotatably on the frame unit
1
, a rope wheel
202
mounted coaxially on the first belt wheel
201
, a resistance wheel
203
mounted rotatably on the frame unit
1
, and a second belt wheel
2031
mounted coaxially on the resistance wheel
203
. The second belt wheel
2031
is smaller than the first belt wheel
201
. A drive belt
204
is trained on the first and second belt wheels
202
,
2031
. A pull rope
205
is wound on the rope wheel
202
, and a pull handle
206
is connected to one end of the pull rope
205
. During operation, the user sits on the seat
102
with his two feet placed on the foot rests
101
. Thereafter, the user pulls the pull handle
206
to drive the rope wheel
202
through the pull rope
205
such that the first belt wheel
201
is enabled to transmit power to the resistance wheel
203
through the drive belt
204
and the second belt wheel
2031
, thereby resulting in an exercising effect by virtue of a rowing motion.
As shown in
FIG. 2
, a conventional pedaling-type exerciser includes a frame unit
3
and a drive unit
4
. The frame unit
3
has a seat
301
mounted thereon. The drive unit
4
includes a drive axle
401
mounted rotatably on the frame unit
3
, a pair of pedal units
402
(only one is visible) coupled to opposite ends of the drive axle
401
, a first belt wheel
403
mounted on the drive axle
401
, and a second belt wheel
4041
mounted rotatably on the frame unit
3
. The second belt wheel
4041
is smaller than the first belt wheel
403
. A resistance wheel
404
is mounted coaxially on the second belt wheel
4041
. A drive belt
405
is trained on the first and second belt wheels
403
,
4041
. During operation, the user sits on the seat
301
with his two feet placed on the pedal units
402
. Thereafter, the pedal units
402
can be operated so as to drive the first belt wheel
403
to transmit power to the resistance wheel
404
through the drive belt
405
and the second belt wheel
4041
, thereby resulting in an exercising effect by virtue of a pedaling motion.
It is noted that each of the aforesaid conventional exercisers only permits one of a rowing exercising effect and a pedaling exercising effect.
SUMMARY OF THE INVENTION
Therefore, the main object of the present invention is to provide a dual-purpose exerciser operable in pedaling and rowing modes.
Accordingly, a dual-purpose exerciser of this invention comprises:
an elongate frame unit having a front frame section with front and rear ends, and a rear frame section with front and rear ends, the front end of the rear frame section being connected to the rear end of the front frame section;
a seat mounted on the rear frame section;
an axle mounted rotatably on the front frame section;
a pair of pedal units, each of which has a crank arm coupled to a respective end of the axle, the pedal units being operable so as to drive axial rotation of the axle;
a drive wheel;
a first one-way clutch interconnecting the drive wheel and the axle such that rotation of the axle in a first direction results in corresponding rotation of the drive wheel in the first direction, and such that the axle is incapable of driving rotation of the drive wheel when the axle rotates in a second direction opposite to the first direction;
a resistance wheel mounted rotatably on the front frame section;
a drive belt trained on the drive wheel and the resistance wheel such that rotation of the drive wheel is transmitted to the resistance wheel;
a pull wheel mounted rotatably on the axle;
a second one-way clutch interconnecting the pull wheel and the drive wheel such that rotation of the pull wheel in the first direction results in corresponding rotation of the drive wheel in the first direction, and such that the pull wheel is incapable of driving rotation of the drive wheel when the pull wheel rotates in the second direction;
a pull rope wound on the pull wheel and secured to the pull wheel at one end, wherein pulling of the pull rope to unwind the pull rope from the pull wheel drives rotation of the pull wheel in the first direction; and
a restoring unit connected to the pull wheel for rotating the pull wheel in the second direction to wind the pull rope on the pull wheel when the pull rope is released.
REFERENCES:
patent: 4850587 (1989-07-01), Lin
patent: 5072929 (1991-12-01), Peterson et al.
patent: 5961423 (1999-10-01), Sellers
patent: 6080088 (2000-06-01), Petersen et al.
patent: 6361479 (2002-03-01), Hildebrandt et al.
Crow Stephen R.
Ladas & Parry
LandOfFree
Dual-purpose exerciser operable in pedaling and rowing modes does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dual-purpose exerciser operable in pedaling and rowing modes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dual-purpose exerciser operable in pedaling and rowing modes will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3250266