JPH0334778Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention relates to a rotating drum display device, and is particularly suitable for displaying the position of a gear driven by an operating lever of an automatic transmission of an automobile. This invention relates to a drum display device.

[Problems to be solved by conventional techniques and ideas]

Many display devices using rotating drums have been known in the past.

3, 4, and 5 show an example of a conventional rotary drum display device, which is a device for displaying the gear position of an automatic transmission of an automobile.

A rotating drum 1 for gear position display rotated by an operating lever (not shown) is connected to a rotating shaft 2.
A plurality of marks 3a, 3b, and 3c are arranged on the outer peripheral surface 1a of the drum 1 in the direction of rotation. Above the outer peripheral surface of the rotating drum 1 is a window 4
The mark 3a, 3b, or 3c is covered with a decorative plate 5 having a hole, and the driver visually recognizes the mark 3a, 3b, or 3c through the window 4 when operating the operating lever.

FIG. 5 is a view of the rotating drum 1 seen from above the decorative plate 5, and from the window 4, two marks 3b, 3 arranged in the rotational direction on one side of the outer peripheral surface 1a of the rotating drum 1 can be seen.
c, and the mark 3b on the other side of the same outer peripheral surface 1a,
3rd mark 3 placed in the middle position of 3c
and a are visually recognized at the same time. This mark 3a, 3
For example, as shown in the figure, b and 3c are respectively ``N'' indicating neutral, ``R'' indicating back, and ``D'' indicating drive.

By the way, in the above rotary drum display device, a plurality of marks 3a, 3b, 3 are displayed through one window 4.
When simultaneously viewing the marks 3b and 3c, as can be seen from FIG. It becomes very difficult to see. In order to eliminate the distortion, the diameter of the rotary drum 1 and the length of the window 4 can be increased, but such a solution is not suitable because the space inside the car is limited.

In view of the above points, the present invention aims to provide a rotating drum display device that allows multiple marks to be viewed at the same time in a space-saving manner, and that can evenly and improve the visibility of multiple marks. be.

[Means for solving problems]

In order to solve the above problems, the rotating drum display device according to the present invention has a rotating drum having a large diameter part and a small diameter part in the direction of the rotation axis, and at least two display devices arranged in the rotational direction of the large diameter part. A third mark is displayed on the small-diameter outer circumferential surface at an intermediate position between the marks, and at least three marks are arranged at positions where the viewer can see the marks at the same distance.

〔Example〕

1 and 2 show a gear position display device for an automatic transmission of an automobile, which is an embodiment of the present invention.

In this embodiment, the rotating drum 1 has a rotating shaft 2
It consists of a large diameter part 11 and a small diameter part 12 that are integrally formed with a step d in the direction of , and the width of the large diameter part 11 is formed to be somewhat smaller than the width of the small diameter part 12. In such a configuration, by displaying the mark 3a, which is the main display, on the small diameter part 12, and the marks 3b, 3c, which are auxiliary displays, on the large diameter part 11, it is possible to display the target within the limited window size. It is possible to display mark 3a larger than marks 3b and 3c. As shown in FIG. 2, on the outer peripheral surface 11a of the large diameter portion 11, there are two marks 3b,
3c are arranged in order, and a third mark 3a is arranged on the outer peripheral surface 12a of the small diameter portion 12 at a position intermediate between the marks 3b and 3c. These marks are, for example, neutral "N", back "R", and drive "D" as in the conventional example shown in FIG. 5, and can be seen simultaneously through the window 4 of the decorative plate 5.

In such a device, the marks 3b and 3c located near the edge of the window 4 can be placed further forward (closer to the window 4) than the center mark 3a, so that the viewer can see the marks 3a, 3c. 3b and 3c can be seen from approximately the same distance. Further, when the outer peripheral surface of the rotating drum 1 is a curved surface with a constant curvature as shown in FIG.
has a smaller curvature than the outer circumferential surface 12a of the small diameter portion 12, so the distortion of the marks 3b and 3c is small, and the window 4
It is easy to see even if it is located near the edge of the screen.

In the above embodiment, the rotating drum 1 has a constant curvature over the entire circumference, but the marks 3a, 3b, and 3c do not necessarily have to be arranged on the entire outer circumferential surface. It is clear that it is sufficient if the desired shape is exhibited within the required rotation angle range.

[Effect of idea]

As explained above, the present invention forms one rotating drum with outer circumferential surfaces of different diameters, arranges display marks on each drum, and allows multiple marks to be recognized from one window at approximately the same distance from the viewer. It was designed so that Therefore, the visibility of multiple marks can be made almost equal, and the distortion of the marks displayed near the edge of the window is reduced, so the visibility of these marks can be improved compared to the past. It is something.

[Brief explanation of the drawing]

Figure 1 is a front view of an embodiment of the present invention, Figure 2 is a side view of the same embodiment, Figure 3 is a front view of a conventional example, Figure 4 is a side view of a conventional example, and Figure 5 is a conventional example. FIG. 3 is a top view of an example. 1... Rotating drum, 1a... Outer peripheral surface, 2... Rotating shaft, 3a, 3b, 3c... Mark, 4... Window,
11... Large diameter part of the rotating drum, 11a... Outer peripheral surface on the large diameter part, 12... Small diameter part of the rotating drum, 12a
...The outer peripheral surface of the small diameter part.

Claims (1)

[Scope of claim for utility model registration] A plurality of marks provided on the outer circumferential surface of the rotating drum.
In a rotating drum display device that can be viewed simultaneously through two windows, the rotating drum has a large-diameter outer circumferential surface and a small-diameter outer circumferential surface integrally formed with steps in the direction of the rotation axis. is a rotating drum display comprising at least two marks arranged in the rotational direction in a range that can be viewed simultaneously from the window, and a third mark arranged on the small diameter outer circumferential surface at an intermediate position between the two marks. Device.