Multi-function exerciser

Details Multi-function exerciser Multi-function exerciser

1999-11-29

2001-03-27

Donnelly, Jerome (Department: 3764)

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing resilient force resistance

C482S121000, C482S128000, C482S124000

Reexamination Certificate

active

06206811

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention The invention relates to an exerciser, more particularly to an exerciser for training the abdominal part, arms and legs of the user.
2. Description of the Related Art
Referring to
FIG. 1
, a conventional abdominal exerciser is shown to include a main body
10
having two lateral wing portions
11
for hand gripping purposes. The main body
10
is formed with an accommodating space
12
that opens at a rear side of the main body
10
. A force-bearing member
13
has a front end that extends slidably into the accommodating space
12
. The rear side of the main body
10
is formed with a pair of stop projections
121
at the open end of the accommodating space
12
to prevent removal of the force-bearing member
13
from the accommodating space
12
. A spring
14
is disposed inside the accommodating space
12
, and biases the force-bearing member
13
outwardly of the accommodating space
12
.
In use, the rear end of the force-bearing member
13
is pressed against the abdominal part of the user, while the hands of the user grip the lateral wing portions
11
of the main body
10
. The user then pulls the main body
10
toward him against the action of the spring
14
, followed by a subsequent release action that causes the main body
10
to revert to its initial state due to the expanding action of the spring
14
. By repeating the pulling and releasing actions on the main body
10
, training of the abdominal part of the user is thus achieved.
Because both hands of the user are required to grip the lateral wing portions
11
of the main body
10
when the aforesaid abdominal exerciser is in use, the exercise effect to the arms of the user is limited. In addition, the abdominal exerciser is not suited for exercising other parts of the human body.
SUMMARY OF THE INVENTION
Therefore, the object of the present invention is to provide an exerciser that can be used to train the abdominal part, arms and legs of the user.
According to this invention, an exerciser comprises a pair of elongated barrel members, a pair of force-bearing members, a pair of elastic units, and a barrel-connecting member.
Each of the barrel members is formed with an insert hole, a longitudinally extending slide channel, a longitudinal slit that extends parallel to and that permits access to the slide channel, and an anchoring block that is disposed adjacent to one end of the slide channel.
Each of the force-bearing members has a slidable block portion that is disposed in and that is slidable along the slide channel of a respective one of the barrel members, and a force-bearing portion that extends laterally from the slidable block portion and out of the slide channel of the respective one of the barrel members via the longitudinal slit.
Each of the elastic units is disposed in the slide channel of a respective one of the barrel members, and has one end connected to the anchoring block of the respective one of the barrel members, and an opposite end connected to the slidable block portion of the force-bearing member that is disposed in the slide channel of the respective one of the barrel members. Each of the elastic units provides resistance to movement of the slidable block portion of the respective one of the force-bearing members along the slide channel of the respective one of the barrel members.
The barrel-connecting member has a pair of insert posts, each of which is inserted into the insert hole in the respective one of the barrel members, thereby interconnecting the barrel members.


REFERENCES:
patent: 5160304 (1992-11-01), Van Der Hoeven
patent: 5637066 (1997-06-01), Chang
patent: 5651755 (1997-07-01), Chen
patent: 5700232 (1997-12-01), Clausen et al.
patent: 5746686 (1998-05-01), Berman et al.
patent: 5749815 (1998-05-01), Lipps
patent: 6110082 (2000-08-01), Tsai

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