Supports – Armrest or headrest – Armrest for writer
Reexamination Certificate
1999-12-09
2001-12-11
Ramirez, Ramon O. (Department: 3632)
Supports
Armrest or headrest
Armrest for writer
C248S118000, C400S715000
Reexamination Certificate
active
06328267
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an arm support stand and a pad for a mouse using such the arm support. In general, when operating something on a table or desk, for instance whendepicting a linear line using a scale, operating a keyboard of such as personal computer or operating a mouse for personnel computer, it is often carried out by floating an elbow from the desk, and since, in such a case, the arm is easily to be fatigued, the elbow is apt to be put on the desk, so that movement of the arm becomes awkward.
The present invention relates to an arm support for helping of the above arm operation and a pad for a mouse using the same.
2. Prior Art
As an example when operating something on the desk by hand, in particular, when operating a mouse for a personal computer, it has been adapted to be carried out by putting a sponge or gum pad on the desk and while resting an arm or floating the arm on the desk. Further, it has been known that, in place of putting an elbow (arm) on the desk, an elbow is put on a stand which can be displaced on the desk in front and behind or left and right and to operate the mouse.
As a conventional art in which a stand is free to move in a plane what is shown in
FIG. 18
is known. To this now an explanation is applied, first, a pair of rails
1
is provided, on these rails
1
a pair of displacing rails
2
is movably provided in the A direction and further on these rails
2
a displacing stand
3
is provided movably in the direction B. Thereby, in the combination of displacing directions A of the rails
2
and B of the displacing stand
3
, the displacing stand
3
can move free in an arbitrary direction in a plane.
As mentioned above, when an elbow which is the side of the arm to operate a mouse is put on the desk or even when such elbow is floating, a load is on such arm. Then, such displacing stand
3
as shown in
FIG. 18
has been considered.
However, in operation of a personal computer when an arm to operate a mouse is put on the displacing stand, the movement of the arm is requested to move not only in parallel but also in a rotary in the plane. Therefore, in case of using this displacing stand
3
for operation of the mouse this conventional displacing stand
3
can not rotate without changing the position on the rails, so that the operation of the mouse becomes difficult, which causes the arm to be tired, and an efficiency of the operation is not increased. In addition, scrubbing between the displacing stand
3
and the arm on the displacing stand
3
to cause the sleeve or the elbow to be stained.
Further, in
FIG. 18
, in the case where the length of the rails
1
and the displacing rails
3
are made to be approximately even to the one of each side of the displacing stand
3
and the whole is down sized, the displacing area of the displacing stand
3
in the plane becomes narrow which is not practical, and in the case where the length of the rails
1
and the displacing rails
2
is made to be lengthened to the displacing stand
3
, thereby to the length from the elbow to the hand to hold the mouse the rails becomes an obstacle to make difficult the mouse moved, to deteriorate the efficiency.
The present invention is to provide an arm putting stand in which, in operating a mouse, the displacing stand does not become an obstacle and possible to be displaced in parallel and rotated to reduce the tiredness and a pad for use a mouse.
SUMMARY OF THE PRESENT INVENTION
In order to solve the above problem according to a first aspect of the present invention, in an arm putting stand, a plurality of balls are disposed annularly, on a fixed stand and at the center of the annular balls of the fixed stand an opening is formed, a displacing stand is supported on the plurality of balls, a boss portion is projected from the bottom of the displacing stand through the opening and a back plate which is not possible to come through the opening is fixed to the lower tip end of the boss.
According to a second aspect of the present invention, in the first aspect of the present invention, within the annularly disposed balls a plurality of openings are provided in the displacing stand, and corresponding to the plural holes a plurality of bosses are projected from the bottom of the displacing stand and are made to come through the openings loose and on each lower tip end of the bosses back plates are fixed in order to prevent the back plates from coming through the plural openings respectively.
According to a third aspect of the present t invention, in the first or second aspect of the present invention, the lower end of the boss is projected a little from the rear surface of the fixed stand.
According to a fourth aspect of the present invention, in the first or second aspect of the present invention, the fixed stand is provided with a mounting portion to mount the fixed stand on a placing stand (operation potion).
According to a fifth aspect of the present invention, in a pad for a mouse using an arm support, on a plane pad stand a recess for an arm support and a recess for pad body, and the arm support and the pad body are coupled respectively.
Further, according to a sixth aspect of the present invention, in a pad for mouse, on one end the pad for mouse is provided with a hole, an arm support is adapted to be coupled with the hole.
Further, according to a seventh aspect of the present invention, in a pad for mouse, a plane pad stand provided with a recess for a pad body is provided with a fixed stand for an arm support in a unitary manner.
According to an eighth aspect of the present invention, in a pad for mouse, a placing stand with a recess for an arm support and a pad body are combined.
When supplementarily stating the above, in the first aspect, since a displacing stand of the arm support is disposed on a plurality of balls, a parallel displacing and rotation of the displacing stand becomes possible, due to the size of the opening pierced the fixed stand, the displacing of the boss portion is limited. Further, the back plate is adapted to be sized to prevent from coming through the hole of the fixed plate removing from the fixed plate. In order to make a little gap between the rear surface of the fixed plate and the back plate, the boss itself is made to be a little lengthened or by arranging the length by washer to projected a little from the opening.
Further, the balls, boss portions and openings can be accommodated in the fixed plate and the displacing plate to miniaturize the whole. Further, since the load of the arm hangs on the displacing stand, when setting the fixed stand on the table the rear side of the fixed stand is provided with a stopper and a positioning recess.
In the second aspect, the back plate may be mounted over a plurality of boss portions to connect the displacing stand and the fixed stand.
Next, in the sixth aspect of the present invention, since the pad body is provided with the holes for coupling the arm support, it may become easy to position the arm support to the pad body.
REFERENCES:
patent: 568380 (1896-09-01), Theiring
patent: 4504715 (1985-03-01), Jorgensen et al.
patent: 4566664 (1986-01-01), Donald
patent: 4635894 (1987-01-01), Sammons
patent: 4746781 (1988-05-01), Dalquist, III et al.
patent: 4946127 (1990-08-01), Kulaga
patent: 5149043 (1992-09-01), Grundmann
patent: 5927663 (1999-07-01), Tseng
patent: 6102345 (2000-08-01), Mori
Carl Manufacturing Co., Ltd.
Le Tan
Oliff & Berridg,e PLC
Ramirez Ramon O.
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