Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance
Reexamination Certificate
2000-06-14
2001-05-15
Mulcahy, John (Department: 3764)
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing weight resistance
C482S102000, C482S135000, C482S139000
Reexamination Certificate
active
06231486
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a full-functional weight training gym, and in particular to a full-functional gym, wherein by adjusting a sliding backrest in a natural manner, a proper pose can be established during weight training on legs, and by assembling a single set of gym and accompanied fittings, muscles at other parts of the body can be trained as well.
2. Description of the Prior Art
Earlier weight training gym, as shown in
FIG. 1
, takes advantage of the principle of loading weight by putting a barbell
11
on the shoulder and then standing up and squatting down to train the muscle of legs. Since there is no safety faculty during this training, in case of overloading, the person might be pressed and hurt by the barbell
11
, or in case of operating in an improper pose, the waist, the spinal cord, and the knee
13
are prone to be hurt. Therefore, a waistband
12
should be tied up to ensure the safety.
Accordingly, the recent conventional weight training gym accomplishes training on leg muscle even in conjunction with a mechanism as a weightlifting machine
2
. Among them, the notable one is the so-called ‘the Smith's weight training gym’, as shown in
FIG. 2
, wherein, two parallel steel pipes
21
are provided on both sides thereof, and are secured to both ends of a barbell
23
by a bearing sleeve
22
such that the barbell
23
can slide up and down together with those two parallel steel pipes
21
. Further, a plurality of hanging bars
24
are provided on two vertical supports to correspond with hanging hooks on the bearing sleeve
22
. With this configuration, in case of rapid falling of the barbell
23
, the barbell
23
can be stopped instantaneously by hanging and snapping on the hanging bar
24
by the hanging hook
25
to avoid hurting men. Therefore, one can feel safe, and places himself at the center of two supports, ties up the waist band
26
, loads the barbell
23
on his shoulders, and stands up and squats down to achieve the object of weight training on legs. However, due to varying degree of the training of persons, the wrong squatting pose during operating, and the like, damages on the waist, the spinal cord and the knee
13
often occurr even though a waist band
26
is tied up. This is derived from the abnormal press caused by the bending of the spinal cord due to the wrong squatting pose. A right squatting pose is in a manner of sitting such that the spinal cord is subjected to a vertical force and hence no pressure on the waist is present. As a result, there can be no danger even no waistband is tied up on the waist.
In view of the foregoing, the above-described conventional weight-training machine has still many disadvantages and is not a perfect design that needs to be improved eagerly. Accordingly, it is desirable to design a novel weight training gym that, during weight training on legs, can help adjusting the squatting pose into a correct sitting manner by means of its mechanistic structure. In addition, it changes the original way of loading the barbell on shoulders into a manner of pulling weights by hand, so that the direct heavy force pressing on the waist, the spinal cord and the knee can be eliminated completely. As a result, the exercise damages on the waist, the spinal cord and the knee can be avoided and the weight training on legs can be more safely done.
Furthermore, through the variation of mechanistic structure, if the mechanism of hanging and pulling weights by a pulley can be used in combination with a variety of pulling bar and fittings, a number of weight training gyms can be assembled to achieve an effect of accomplishing the weight training on all parts of the body by a single mechanistic structure.
In view of the above-mentioned disadvantages associated with the conventional weight training gym, the inventor aims to improve and invent, and, after carrying out an intensive study and many experiments, the full functional weight training gym according to the invention is successfully developed.
SUMMARY OF THE INVENTION
One object of the invention is to provide a fill functional weight training gym that, by means of a sliding backrest, a right pose during weight training on legs can be adjusted and the purpose of training the legs can be safely achieved with no necessity to tie up a waistband.
Another object of the invention is to provide a full functional weight training gym such that, for common users, the weight training on all other parts of the body can be achieved by only one single gym and in a less space.
The full functional weight training gym that can fulfill the above-described objects according to the invention comprises a constitutive structure consisting of a supporting base, a main skeleton, a sliding backrest, a weights set, a pulley block, and a set of fittings. The full functional weight training gym is constructed essentially by supporting said main skeleton on said supporting base via nuts and bolts, and hanging and snapping said sliding backrest with a rope hanging cord loop to drive said pulley block and hence pull said weights set in a up and down motion. A gym that can be used for weight training on legs with a proper pose is thus obtained. In addition, by combining said set of fittings and said pulley block as well as said weights set, a variety of weight training gym can be assembled for performing exercises involving hands, the chest, the abdominal, the waist the bottom, the back and shoulders, and hence accomplishing weight training on all parts of the body by only one mechanistic structure.
REFERENCES:
patent: 4195834 (1980-04-01), Lambert
patent: 4346888 (1982-08-01), Szabo
Body Solid Catalog pp. 21-27, 1993.
Dougherty & Troxell
Mulcahy John
LandOfFree
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