JPH0353944Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention relates to a head guard for forklifts, etc.

(Prior Art) Conventionally, as shown in FIGS. 5 and 6, a head guard 16 of a forklift, for example, has a skylight section 15 formed in a portion corresponding to the upper part of the driver's seat, and the skylight section 15 has a plurality of members 17. are arranged in a grid pattern, and the upper part can be viewed through the grid pattern.

(Problem to be solved by the invention) However, in the past, as shown in Fig. 6, the cross-sectional shapes of the head guard members 17 were arranged parallel to each other, and both sides were along the vertical direction, so that it was difficult to reach the driver's seat. The blind spot α occupies a considerable area from the perspective of the operator, and in addition, the distance between each member is narrowly formed so as not to exceed 150 mm (6 inches) in order to comply with the safety standards stipulated in the ISO standard. Therefore, when operating a forklift while looking upwards, it is very difficult to see, and the operator has to change his/her viewpoint, which is inconvenient. In particular, in a spreader, etc., long containers are handled, so when the container is lifted upward, there are many opportunities to work while looking diagonally upward, and working while changing the viewpoint hinders smooth work.

This invention was made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a head guard that can secure an upward view through the head guard while strengthening the protective effect of the member against falling objects from above. It is in.

Structure of the invention (means for solving the problem) This invention was made to solve the above-mentioned problem, and this invention consists of constructing a plurality of members extending parallel to each other in the skylight part of the head guard. In each installation position, both sides of each member are formed along a line extending from the viewpoint of a worker sitting in a driver's seat.

(Function) With the above configuration, the blind spot caused by the member of the skylight is minimized for the operator in the driver's seat, and the upward field of view through the skylight can be expanded. Furthermore, the distance between each member is narrowed when viewed from above, and the projected area of the head guard is increased compared to the conventional head guard in which both sides of each member are along the vertical direction.

(Example) An example that embodies this idea is shown in Figure 1~
This will be explained according to FIG.

A fork 3 is attached to a mast device 2 which is attached to the front part of the forklift 1 so as to be tiltable back and forth, and a fork 3 is attached to the mast device 2 so as to be movable up and down. A front pillar 5 and a rear pillar 6 are erected on a machine base 4 of the forklift 1 so as to surround a driver's seat 9, and a head guard 7 is provided above both pillars 5 and 6. The pillars 5, 6 and the head guard 7 constitute a guard 8.

A square frame-shaped skylight portion 10 is transparently provided in a portion of the head guard 7 corresponding to the upper part of the driver's seat 9. A plurality of plate-shaped members 11 extending parallel to each other in the front-rear direction are installed in the skylight portion 10. In addition, the spacing between each member 11 is ISO
Considering the safety standards stipulated in the standard, the spacing is narrow, not exceeding 150 mm. Both side surfaces of each of the members 11, which are installed in parallel at narrow intervals, are arranged obliquely along a line extending from the viewpoint P of the worker sitting in the driver's seat 9. Also, both right and left frames 10 of the skylight section 10
a, 10b are each chamfered 12 at the upper inner corner and the lower outer corner along the radiation from the viewpoint P.

Now, the operation of the head guard configured as described above will be explained.

The head guard 7 configured as described above is arranged obliquely so that both side surfaces of each member 11 are along a radiation line extending from the viewpoint P of the worker sitting in the driver's seat 9. When looking upward through the skylight section 10, the portion that obstructs the upward view, that is, the blind spot α, is significantly reduced compared to the conventional case, and the upward view can be expanded.

In addition, in this embodiment, both right and left frames 10 of the skylight section 10
a, 10b are each chamfered 12 at the upper inner corner and the lower outer corner along the radiation from the viewpoint P, so that the field of view can be further expanded.

Moreover, each of the members 11 is installed parallel to each other at narrow intervals at respective positions, that is, at each installed position without enlarging or changing the narrow parallel intervals between the members 11. Since the members 11 are arranged in a shape, the apparent distance between each member 11 is narrowed when viewed from above. Therefore, if the number of members 11 to be constructed is the same, the projected area from directly above becomes larger than that of the conventional structure, and it becomes possible to strengthen the protective effect against falling objects from above. Moreover, the degree of freedom in designing the entire head guard 7 is not restricted thereby.

Next, another embodiment will be described with reference to FIG.

In this embodiment, in the structure of the above embodiment, the skylight section 1
The difference is that each of the members 11 of 0 is rotatably supported by the frame of the skylight section 10 so as to be rotatably adjustable.

Therefore, in this embodiment, if the height of the viewpoint P differs due to the difference in the sitting height of the operator sitting in the driver's seat 9, each member 11 can be rotated and adjusted to match the operator's viewpoint P. Therefore, it is possible to ensure an upward field of view for any operator.

Furthermore, this embodiment has the advantage that it can be used as a sunshade by adjusting the rotation of each member 11 horizontally.

Note that this invention is not limited to the embodiment described above; for example, in the embodiment described above, a plurality of members 11 are installed parallel to each other in the front-rear direction, but they may also be installed parallel to each other in the left-right direction. ,
Further, for example, although the above embodiment was employed in a forklift, it may be employed in other industrial vehicles instead, and other changes may be made without departing from the spirit of the invention.

Effects of the device As detailed above, this device can secure an upward field of view through the head guard, so when working while looking upwards, there is no need to change the viewpoint unlike conventional methods, improving work efficiency. In addition to reducing the apparent distance between each member when viewed from above, the head guard, which is based on the same component structure as before, can strengthen its protective effect against objects falling from above. It is an excellent idea for industrial use because it is effective.

[Brief explanation of the drawing]

Fig. 1 is a side view of a forklift according to one embodiment embodying this invention, Fig. 2 is a perspective view of the main parts of the head guard, Fig. 3 is a sectional view of the head guard, and Fig. 4 is a diagram of another embodiment. FIG. 5 is a perspective view of the main part of a conventional head guard, and FIG. 6 is a sectional view of the same head guard. In the drawing, 1 is a forklift, 3 is a fork,
4 is the aircraft platform, 7 is the head guard, 8 is the guard, 9 is the driver's seat, 10 is the skylight, 11 is the member, α is the blind spot, and P is the viewpoint.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A skylight section is provided in the head guard provided above the driver's seat, and a plurality of members extending parallel to each other are installed in the skylight section, and both sides of each of the members are installed at each installation position. A head guard for forklifts, etc. whose surface is shaped to follow the radiation line extending from the viewpoint of the worker sitting in the driver's seat. 2. The head guard for a forklift or the like according to claim 1, wherein the member is rotatably supported on a frame of a skylight portion so as to be rotatably adjustable.