JP3114769B2 - Mouse cover - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mouse for moving a cursor on a display by inputting a coordinate position by rotating a pole, and more particularly to a lower cover and a cap which is detachably attached to the lower cover and rotatably supports a ball. Mouse cover.

In recent years, a mouse that can be easily handled has been used as a means for inputting information to a computer or the like, instead of a keyboard. With the spread of such a mouse, the reliability and the life of the mouse body have been further increased. It is required to secure and to simplify the handling.

In particular, as the frequency of use increases, the amount of dust adhering to the surface of the ball increases, and there are many opportunities to attach and detach the ball for cleaning. Therefore, there is a demand for further facilitating attachment and detachment of the cap for supporting the ball and further increasing the reliability of the attachment.

[0004]

2. Description of the Related Art FIG. 5 is a perspective view showing a main part of a conventional mouse cover. In the figure, a conventional mouse cover is made of a resin. A lower cover 1 to which a mouse body or the like for outputting a coordinate position signal is fixed, and a ball 2 attached to a bottom plate 11 of the lower cover 1 and engaged with the mouse body are rotatably provided. It has a supporting cap 3.

[0005] The cap 3 has an inner wall 31 for rotatably supporting the ball 2 and has a cylindrical body 33 having a flange 32 near a lower end face, and is provided near an upper end face of the body 33 and has a cylindrical surface. And a pair of falling-off preventing claws 34 protruding in opposite directions.

On the other hand, the lower cover 1 is provided with a cap 3 on the bottom plate 11.
The bottom plate 11 has at least the periphery of the through hole 12 between the flange 32 of the cap 3 and the fall prevention claw 34. It has a possible thickness.

The cap 3 is attached to the lower cover 1 by inserting the body 33 into the through hole 12 by aligning the stopper 34 of the cap 3 with the notch 13 and rotating the cap 3 right or left. Is fitted between the flange 32 and the stopper claw 34 to complete the mounting.

When the cap 3 is rotated clockwise or counterclockwise to align the stopper claw 34 with the notch 13 of the lower cover 1, the bottom plate 11 of the lower cover 1 comes off from between the flange 32 and the stopper claw 34, and the cap 3 3 can be removed from the lower cover 1.

[0009]

However, the above-mentioned conventional mouse cover is provided between a flange formed on a cap or a stopper plate and a bottom plate of the lower cover, or between a body of the cap and an inner wall of a through hole formed in the lower cover. There is a case where a gap is interposed between the caps and the center position of the cap is shifted.

In addition, since the conventional mouse cover has no mechanism for locking the attached cap, the cap is rotated by vibration or the like, and if the drop-off preventing claw is accidentally matched with the notch of the lower cover, the cap is used during use. There was a problem of falling off from the lower cover.

An object of the present invention is to provide a mouse cover in which a cap is fixed at a predetermined position and does not fall off during use.

[0012]

FIG. 1 is a perspective view showing a mouse cover according to the present invention. The same object is denoted by the same symbol throughout the drawings.

An object of the present invention is to provide a mouse for inputting a coordinate position via a ball and moving a cursor on a display, the cover having a lower cover and a cap detachably attached to the lower cover and rotatably supporting the ball. A cylindrical body having an inner wall for supporting the body and having a flange near the lower end face, and at least one pair of falling-off claws provided near the upper end face of the body and protruding in opposite directions, A lower cover having a bottom plate having a diameter larger than the body portion and having a diameter smaller than the length between the end faces of the stopper claws, a guide wall formed around the through hole and abutting against the stopper claws to regulate the position of the cap; Cap
The width of the cap in the direction perpendicular to the direction of movement
By providing a projection substantially equal to the diameter of the through hole on the inner peripheral edge of the through hole, and fitting the bottom plate of the peripheral edge of the through hole deep between one of the fall prevention claws and the flange, the other fall prevention claw faces the through hole on the opposite side. The gap between the end face of the drop-off prevention claw and the guide wall is large at the position where the cap is attached to and detached from the lower cover. This is achieved by the mouse cover of the present invention.

[0014]

In FIG. 1, a cap has a cylindrical body portion having an inner wall for supporting a ball and having a flange near a lower end surface, and at least one body provided near an upper end surface of the body portion and projecting in opposite directions. The lower cover has a pair of fall prevention claws, and the lower cover has a through hole in the bottom plate having a diameter larger than the body portion and smaller than the length between the end faces of the fall prevention claws. The cover for a mouse of the present invention, which is inserted into the lower cover so that the other fall prevention claw passes through the through hole on the opposite side and allows the cap to be attached to and detached from the lower cover, for example, even if the cap is turned, the direction of the fall prevention claw. The cap does not fall off the lower cover unless a pressing force acts on the lower cover.

The lower cover has a guide wall formed around the through hole and abutting against the drop-off preventing claw to regulate the position of the cap. The gap between the end face of the drop-off preventing claw and the guide wall attaches and detaches the cap to and from the lower cover. The cover for the mouse of the present invention, which is large at the position where the cap is rotated, decreases as the cap is rotated, and finally comes into contact, the cap attached to the lower cover is fixed at a predetermined position, and vibrations etc. during use are It does not rotate and loosen even if it is added. That is, it is possible to realize a mouse cover in which the cap is fixed at a predetermined position and does not fall off during use.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 2 is a side sectional view showing attachment and detachment of the mouse cover according to the present invention, FIG. 3 is a perspective view showing one embodiment of the mouse cover according to the present invention, and FIG. FIG.

As shown in FIG. 1, the mouse cover according to the present invention has a lower cover 4 to which a mouse body or the like for outputting a coordinate position signal is fixed, and a ball 2 attached to a bottom plate 41 of the lower cover 4 and engaged with the mouse body. Is provided with a cap 5 for rotatably supporting.

The cap 5 has an inner wall 51 for rotatably supporting the ball 2 and has a cylindrical body 53 having a flange 52 near the lower end face, and is provided near the upper end face of the body 53 in opposite directions. And at least one pair of falling-off preventing claws 54 protruding from the front end.

On the other hand, the lower cover 4 has a through-hole 42 whose diameter is larger than the body portion 53 of the cap 5 and is smaller than the length between the end faces of the fall-off preventing claw 54, and the fall-off preventing claw 54 provided around the through-hole 42.
A guide wall 43 is formed on the bottom plate 41 so as to abut against the cap 5 to regulate the position of the cap 5.

The bottom plate 41 has such a thickness that it can be fitted between the flange 52 of the cap 5 and the drop-off preventing claw 54 at least at the periphery of the through hole 42, and the bottom plate 41 is deeply inserted between the drop-off preventing claw 54 and the flange 52. The fitting allows the cap 5 to be attached to the lower cover 4.

Further, the guide wall 43 is separated from the edge of the through hole 42 at the position where the cap 5 is attached and detached, and the gap between the guide wall 43 and the end face of the drop prevention claw 54 is large. The gap is gradually reduced, and finally, the gap comes into contact with the drop prevention claw 54.

That is, when the cap 5 is mounted, the peripheral edge of the through hole 42 formed in the bottom plate 41 of the lower cover 4 as shown in FIGS. To the position where it comes into contact with
Insert it deeply between 52 and.

As shown in FIG. 2 (d), the through hole 42 of the lower cover 4 has a peripheral edge deeply fitted between one of the stopper claws 54 and the flange 52, so that a stopper stopper provided on the other side of the cap 5 is provided. 54 is configured to be able to pass through the through hole 42 to the opposite side.

When the cap 5 is moved as shown in FIG. 2D after the other stopper claw 54 has passed through the through hole 42, the cap 5 is attached to the lower cover 4 and the cap 5 is omitted from the drawing.
When the is rotated, the end face of the fall prevention claw 54 comes into contact with the guide wall 43 and is fixed at a predetermined position.

The cap 5 fixed at a predetermined position
When the is rotated in the opposite direction, the end face of the stopper 54 and the guide wall
A gap is formed between the upper cover 43 and the lower cover 4 by sequentially performing the operations shown in FIGS. 2 (a) to 2 (d) from the opposite side.
Can be removed from.

As described above, the cylindrical body having the inner wall for supporting the ball and having the flange near the lower end face, and at least one of the caps provided near the upper end face of the body and projecting in opposite directions. Has a pair of claw prevention claws,
The lower cover has a through hole whose diameter is smaller than the length of the end face of the stopper claw in the bottom plate and is smaller than the length of the end face of the stopper claw. The mouse cover of the present invention, in which the cap is passed through the through hole on the opposite side to allow the cap to be attached to and detached from the lower cover, for example, even if the cap is turned, unless the cap is pressed in the direction of the cap, the cap is not moved. It does not fall off the lower cover.

The lower cover has a guide wall formed around the through hole and abutting against the cap to prevent the cap from falling off, and the gap between the end face of the cap and the guide wall attaches and detaches the cap to and from the lower cover. The mouse cover of the present invention, which is configured to be large at the position where the cap is rotated and reduced with the rotation of the cap and finally contacted, is such that the cap attached to the lower cover is fixed at a predetermined position and used during use due to vibration or the like. There is no loosening.

In one embodiment of the mouse cover according to the present invention, as shown in FIG. 3, a through hole 42 formed in the bottom plate 41 of the lower cover 4 has a central portion having a width in a direction perpendicular to the direction in which the cap 5 is moved. The cap 5 has a projection 44 substantially equal in diameter to the body 53 of the cap 5.

The guide wall 43 disposed around the through hole 42 formed in the bottom plate 41 has stoppers 45 at both ends, and the guide wall 43 is fixed at a predetermined position. Protrusions 46 are formed in the vicinity to fit into the recesses 55 formed in the fall prevention claws 54.

By making the width on the side orthogonal to the direction in which the cap is moved substantially equal to the diameter of the body of the cap, the moving direction when the cap is mounted on the lower cover is determined, as shown in FIG. 4 (a). The end face of the falling-off prevention claw 54 faces one end of the guide wall 43.

When the attached cap 5 is rotated, FIG.
As shown in (b), at the same time that the end face of the falling-off preventing claw 54 comes into contact with the guide wall 43, the projection 46 formed near the end of the bottom plate 41 is fitted into the concave portion 55 formed on the falling-off preventing claw 54, and the cap 5 is moved. It is fixed at a predetermined position.

The stopper 45 is formed even if the rotation direction of the cap 5 is mistaken, so that the stopper 54 does not come off the guide wall 43. Further, since the moving direction of the cap in the through hole is suppressed by the projection 44, the play of the fixed cap can be reduced.

Moreover, the provision of the projections 46 to be fitted into the concave portions 55 of the stopper claws 54 prevents the cap 5 from rotating and loosening due to vibration or the like. That is, it is possible to realize a mouse cover in which the cap is fixed at a predetermined position and does not fall off during use.

[0034]

As described above, according to the present invention, it is possible to provide a mouse cover in which the cap is fixed at a predetermined position and does not fall off during use.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a mouse cover according to the present invention.

FIG. 2 is a side sectional view showing attachment and detachment of a mouse cover according to the present invention.

FIG. 3 is a perspective view showing one embodiment of a mouse cover according to the present invention.

FIG. 4 is a plan view showing a fixing method in the embodiment.

FIG. 5 is a perspective view showing a main part of a conventional mouse cover.

[Explanation of symbols]

 2 Ball 4 Lower cover 5 Cap 41 Bottom plate 42 Through hole 43 Guide wall 44 Projection 45 Stopper 46 Projection 51 Inner wall 52 Flange 53 Body 54

Claims (1)

(57) [Claims] 1. A mouse for inputting a coordinate position by rotating a ball and moving a cursor on a display, comprising a lower cover and a cap detachably attached to the lower cover and rotatably supporting the ball. A cylindrical body portion having a cap having an inner wall for supporting the ball and having a flange near a lower end surface, and at least one pair of drop-off prevention members provided near the upper end surface of the body portion and projecting in opposite directions to each other; A lower cover having a bottom plate having a diameter larger than that of the body portion and smaller than a length between end faces of the drop-preventing claws; A guide wall for regulating the position, and a direction for moving the cap;
The width in the orthogonal direction is approximately equal to the diameter of the body of the cap.
A protrusion is provided on the inner peripheral edge of the through-hole, and the bottom plate of the peripheral edge of the through-hole is deeply fitted between one of the fall-off preventing claws and the flange, so that the other fall-off preventing claw can cover the through-hole. The cap passes through the opposite side to allow the cap to be attached to and detached from the lower cover, and the gap between the end face of the stopper tab and the guide wall is large at the position where the cap is attached to and detached from the lower cover, and decreases as the cap is rotated. A cover for a mouse, wherein the cover is configured to be abutted last.