Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Reexamination Certificate
2002-07-10
2004-10-05
Mengistu, Amare (Department: 2673)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
C345S156000, C345S164000
Reexamination Certificate
active
06801189
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to an axle dock for generating clicking sense for a mouse roller and particularly an axle dock installed in the mouse roller to receive alternate pressing of the concave and convex surfaces formed in the roller to generate a clicking sense on an user's hand.
BACKGROUND OF THE INVENTION
In order to improve conventional “three-button” mouse, the mouse devices now being commonly used have a “mouse roller” design to save time and operation procedures for users. On documents, a simple forward or rearward motion through the “mouse roller” can substitute “window scroll axle” motion used by the traditional mouse devices. In application programs of compatible functions, the “mouse roller” can also replace traditional pulling down function table or tool table to alter the size of the document area. And the fastest operation method for browsing Web pages is rolling the scroll axle through the mouse roller. As a result, “mouse roller” has become a fundamental accessory of mouse devices these days.
Different vendors have different designs for the mouse roller
11
. However almost every vendor highly emphasizes the clicking sense on user's hand during operation. Refer to
FIG. 1
for a conventional approach to generate the clicking sense. There is a bracket
101
extended from an inner wall of the mouse to hold an elastic wire
102
. The elastic wire
102
is bent a number of times to contact the concave surfaces
111
and convex surfaces
112
formed on the inner wall of the roller
11
. When the roller
11
rotates, the concave surfaces
111
and convex surfaces
112
slide and bounce alternately over the elastic wire
102
. The bent elastic wire
102
has elasticity to generate clicking sound and clicking sense on user's hand holding the mouse. However such a design, in order to accommodate the elastic wire
102
, requires a special mold for the mouse to make the bracket
101
. In addition, another bracket
101
is required to support the axle
113
of the roller
11
. As a result, the cost for making mold increases. Assembly also is more difficult. In terms of use, the fulcrum of the elastic wire
102
is located on the bracket
101
. The elasticity decreases due to the elastic wire is extended too long. Moreover, the elastic wore
102
is formed by bending a plurality of times. It is prone to produce defects. Clicking sense being generated is different when the elastic wire
102
slides and bounces over the concave surfaces
111
and convex surfaces
112
during rotation of the roller
11
. The extended length of the elastic wire
102
also tends to reduce its durability. Furthermore, as the elastic wire
102
is bent to reach the concave surfaces
111
and convex surfaces
112
, rotation of the roller
11
that employs the optical grating induction is affected. In the event of the elastic wire
102
drops due to poor fastening, the optical grating is easy to be interfered and accuracy of the signal output of the roller
11
is impacted.
SUMMARY OF THE INVENTION
Therefore the primary object of the invention is to resolve aforesaid disadvantages. The invention provides an axle dock that is easy to assemble, does not incur elastic fatigue, and can shorten elastic displacement to ensure a desired clicking sense is generated to give users a desirable rotation feeling. The axle dock of invention mainly includes an elastic element corresponding to the concave surfaces and the convex surfaces formed on the inner wall of the roller. The axle dock has a seat which has a mounting section facing the concave surfaces and the convex surfaces the roller. The elastic element is mounted on the mounting section. The mounting section has a retain zone for holding the anchor section of the elastic section and a passing zone to allow a force receiving section located on the top end of the elastic element to pass through and expose, and to contact the concave surfaces and the convex surfaces of the roller. When the roller rotates, the concave surfaces and the convex surfaces slide and bounce alternately over the force receiving section. The elasticity of the elastic element gives users a desired clicking sense. The invention also is easy to assemble.
The foregoing, as well as additional objects, features and advantages of the invention will be more readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings.
REFERENCES:
patent: 6157369 (2000-12-01), Merminod et al.
patent: 6326949 (2001-12-01), Merminod et al.
patent: 6400356 (2002-06-01), Bidiville et al.
patent: 6429848 (2002-08-01), Merminod et al.
patent: 6570108 (2003-05-01), Lin
Mengistu Amare
Sheng Tom
Shin Jiuh Corp.
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