JP2003089493A - Tread for passenger conveyor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tread for passenger conveyors with safety increased by enhancing the attention-calling property of the concrete part on the top of the tread, in particular, of the front warning zone. SOLUTION: The tread is provided with a front warning zone 31G positioned along the front edge of a horizontally arranged cleat 31, with a rear warning zone 31F whose base is immovably fixed to the rear edge of the cleat 31, and with side warning zones 31H immovably fixed to the two side edges of the cleat 31. The fore-and-aft width of the zone 31F, the lateral widths of the zones 31H, and the fore-and-aft width of the base of the zone 31G are similar to each other, and the total fore-and-aft width of the zone 31G is not less than 1.5 times the widths of the zone 31F and the zones 31H.

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a step of a passenger conveyor such as an escalator and a moving sidewalk. 2. Description of the Related Art As a measure against the strength of a step body, for example, a structure of a side caution band fixed to both side edges of a cleat body as disclosed in Japanese Patent Application Laid-Open No. 57-19270 (first) Known examples)
For example, a configuration of a front and rear caution band (a second known example) as disclosed in Japanese Patent Application Laid-Open No. 56-149967 is known. For example, as shown in Japanese Patent Application Laid-Open No. 7-76478, the front and rear portions of the step body are provided with a caution sign by painting, while the width of the front caution portion is slightly larger than the width of the rear caution portion. A configuration (third known example) is known. The above-mentioned first and second known examples only disclose a configuration in which caution bands are fixedly provided on the four peripheral edges of a step body, and the safety of passengers on the step body is disclosed. There was no specific reference to the setting of the width of each caution zone, which greatly affects the securing, and the improvement in the visibility and alerting effect that this brings. And when the width of the front caution band is narrow, when viewed from the level of the passenger's eyes, the front caution band is blocked by the convex curved surface of the riser body of the step body located adjacent and forward. However, there is a problem that there is a fear that the use is not sufficient.
Further, in the third known example, the width of the caution sign portion formed by painting the front portion is illustrated to be slightly larger than that of the rear portion, but the caution effect is not sufficient only by the dimensional difference according to the illustration, There is a possibility that the same problem as in the first and second known examples may occur. Furthermore, as a matter common to these known examples, there was no consideration to enhance the alertness of a foot warning light provided near the entrance. [0004] It is an object of the present invention to provide a stepping body for a passenger conveyor which can increase safety by enhancing cleats on the upper surface of the stepping body, in particular, the alertness of a front caution zone thereof. SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a cleat body disposed horizontally, a rear end portion of the cleat body and an upper end portion thereof connected to each other, and has a convex curved surface portion. A riser body that extends, a front caution band having a base fixed to a front edge of the cleat body, and a tip portion other than the base portion having an extended portion extending toward the adjacent riser body; At the rear edge of the body, a rear caution band whose base is fixed, and side caution bands fixed to both side edges of the cleat body. Width and side of the side caution zone The width dimension of the front caution band and the base width dimension before and after the front caution band are almost the same, and the total length width before and after the front caution band is changed to the width size of the rear caution band and the side caution band. It is configured to be about 1.5 times or more. According to the above configuration,
From the eyes of a very average height passenger on a specific step,
When looking down on the top of the cleat body of the step body located in front of it, all of the front caution zone is not obstructed by the convex curved surface of the riser body of the step body located adjacent and forward, and the front caution The obi exerts its original alertness and can contribute to prevention of personal injury in the gap between the adjacent steps. In particular, by setting the total length width of the front caution band to be approximately 1.5 times the width size of the rear caution band, the degree of obstruction by the convex curved surface portion of the riser body located in front is reduced. , Stable visibility can be provided. Furthermore, by extending the full length width of the front caution zone, the extended portion without the bottom except for the base width is substantially extended, and the caution light of the foot caution light passes near the entrance and exit, Since the function of visually appealing the attention ray to the passenger and exhibiting the attention ray is exerted, it is possible to further contribute to improvement of safety. An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a conceptual side view showing the vicinity of an upper portion showing an embodiment according to the present invention, FIG. 2 is a rear view of a step body used in FIG. 1, and FIG. 3 is taken along line II in FIG. It is sectional drawing. In the figure, an escalator 1 which is a kind of a passenger conveyor is installed from a lower floor (not shown) to an upper floor F, and is connected to an endless chain 2 and has a number of steps 3 which move. A system in which passengers are transported using a moving body of a handrail 4 that moves synchronously with the step body 3 is provided. These moving bodies are driven by a driving wheel 10 via a driving chain 9 from a driving machine 8 including a motor 6 and a speed reducer 7 which rotate according to an electric command of a control device 5, and each of the guide rails 11 and It is a mechanism that moves along the balustrade 12, and in many cases, a caution light is emitted from the gap between the steps 3 by the foot caution light 14 as shown by the arrow M at a lower position near the getting on / off floor 13 so that the steps 3 Informs that the boundary gap is a dangerous part. The step body 3 has a cleat body 31 disposed horizontally, a rear end portion 31A and an upper end portion 32A of the cleat body 31, and a riser extending downward with a convex curved surface portion 32A. A body 32, and a pair of right and left substantially triangular bracket bodies 33 supporting the cleat body 31 and the riser body 32 at both ends in the width direction are provided. Further, the front end 31B of the cleat body 31 and the lower end 32C of the riser body 32, that is, the front end 33A and the lower end 33B of the bracket 33 are supported by a main shaft 34A and a main shaft 35A, respectively. Front wheel 34, rear wheel 3
5, the front wheel 34 and the rear wheel 35
It is a structure that moves on the upper side and changes direction below the getting on / off floor 13. Further, the tread surface configuration of the step body 3 and the cleat body 31 according to the present invention will be described. Cleat body 3
1 has a number of irregularities 31C on the surface thereof, and a rear caution band 31 having a width dimension W1 before and after having a base 31f connected to the bottom of the irregularities 31C at the rear end 31A.
F, the front end 31B of the front edge thereof has a base 31g having a front and rear base width dimension W33 connected to the bottom of the uneven portion 31C;
The tip other than the base 31g is the riser band 3 at the adjacent front.
The front caution band 31G of the full length width W3 before and after having the extension portion 31gg extending toward the second end portion 3
Each of 1D and 31E is provided with a side caution strip 31H having a width dimension W2 fixed thereto, and meshing with the tip of the floor 13 prevents entry of a shoe tip or foreign matter into the floor 13. A total of four caution bands 31F, 31G and 31H are made of a synthetic resin material having a cautionary color such as yellow, and are arranged at a fixed gap on the four edges of the cleat body 31. (A step body or a skirt guard) to prevent passengers from being pinched and approached. In the present invention, the rear caution belt 31 is used.
The width W1 of the base 31f of F is about 20 mm, and the side caution band 3
The width dimension W2 of 1H is set to about 20 mm similarly to the width dimension W1, the width dimension W33 of the base 31g of the front caution belt 31G is also set to about 20 mm, and the full width dimension W3 is 30 mm or more, that is, W1 to W3. When the dimensional ratio is W1 <W3, W2 <W3,
It is characterized in that W33 <W3 and W3 ≒ 1.5W1 or more. The reason for this setting will be described with reference to FIGS. In FIG. 1, when a passenger stands on the specific step body 30 and looks down at the foot from the eye position E of the passenger,
Riser body 3 forming convex curved surface portion 32B with curvature radius R provided on step body 3 adjacent to specific step body 30 in front thereof
2, the line of sight becomes a line D, and the width of the front caution zone 31GG (identical to 31G) of the specific step body 30 is visually recognized to be narrow. This situation is unacceptable because it is a part where accidents such as a shoe tip between the X portions of the mutual gaps are frequently caused. For example, even when the height of the passenger is somewhat higher than the average height, the above-mentioned width dimension is set so that the front caution zone 31GG can be visually recognized (the portion corresponding to the width W4 in FIG. 3), and safety is enhanced by enhancing alertness. It is intended. Further, an extended portion 31gg having no base corresponding to the base 31g, which is the difference between the total width W3 and the base width W33.
As a result, the warning action by the attention ray as indicated by the symbol M in FIG. 1 is also improved. Although the escalator 1 has been described as an example of a passenger conveyor, the present invention is not limited to this, and can be applied to a moving sidewalk using a step 3 of a similar form. As described above, according to the step body of the present invention, the safety is further enhanced by strengthening the alerting of the cleat body on the upper surface of the step body, particularly the front caution zone thereof. Can be.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a conceptual side view showing the vicinity of an upper portion of a passenger conveyor according to an embodiment of the present invention. FIG. 2 is a rear view of the step body shown in FIG. 1; FIG. 3 is a sectional view taken along the line II of FIG. 2; [Description of Signs] 1 Escalator (passenger conveyor) 3,30 Step body 14 Foot warning light 31 Cleat body 31A Rear end 31B Front end 31D, 31E Side end 31F Rear caution band 31f Base 31G, 31GG Front caution band 31g Base portion 31gg Extension portion 31H Side caution band 32 Riser body 32A Upper end portion 32B Convex curved surface portion

Claims (1)

Claims: 1. A cleat body disposed horizontally, a riser body connected to a rear end of the cleat body and an upper end thereof and having a convex curved surface portion and extending downward, At the front edge of the cleat body, the base portion is fixed, and the front end portion other than the base portion has an extension portion extending toward the riser body at the adjacent front portion, and at the rear edge of the cleat body, In a stepping body of a passenger conveyor having a rear caution band in which a base thereof is fixed, and side caution bands fixed to both side edges of the cleat body, a width dimension in front and behind the rear caution band and the side The width dimension of the side caution band and the base width dimension before and after the front caution band are substantially the same, and the total length width before and after the front caution band is
A stepping body for a passenger conveyor, wherein the step width is approximately 1.5 times or more the width of the rear caution band and the side caution band.