JP3051465U - Safety three-point step stool - Google Patents

Abstract

(57) [Summary] [Problem] A stepping platform that crosses a ridgeline of a triangular pyramid-shaped stepping platform. Even if there is no instruction manual for the platform, the front position of the installation and the direction and method of getting on and off can be understood by looking at the platform. Stops shaking of the body and controls the inclination of the platform to the left and right. SOLUTION: Two triangular frames are hinged on diagonal step pillars to form a triangular pyramid-shaped step, and a step on the stepped pillar with the hinged side facing the front is used as a step, and humans are moved to the surface of the left and right step boards. Attach the left and right lasts so that you can know the direction and method of getting on and off the stepladder. Furthermore, a "knee support plate" is attached to the step pillar, and the operator holds the "knee support plate" between both feet to prevent the body from shaking and to control the tilt of the step platform from side to side.

Description

[Detailed description of the invention]

[0001]

[Industrial applications]

 This invention relates to the fact that the installation position of the step ladder and the direction of getting on and off when using the step ladder are clearly marked with a footprint, and that the step ladder can be used safely without the instruction manual for the step ladder.

[0002]

[Prior art]

 There is a step board on a conventional step, but there is no indication of where to get on or off the step.Therefore, there is no indication of where the step falls when riding on the end of the step or where it can be gripped by hand when getting on or off. However, girls and the elderly could not cope with the shaking of the platform and could not get on and off safely. Also, even if the instruction manual for the step ladder contained a precautionary statement for danger prevention, many people used it without reading it, and there was a risk that the step ladder might fall.

[0003]

[Problems to be solved by the invention]

 This had the following disadvantages. (B) There is a step board on the conventional step board, but since there is no indication of where to get on and off the step board, the step board falls when riding on the end of the step board, and there is no place to grab by hand when getting on or off the board. Therefore, women and the elderly could not cope with the shaking of the platform and could not get on and off safely. Also, even if the instruction manual for the step ladder contained a precautionary statement for danger prevention, many people used it without reading it, and there was a risk that the step ladder might fall. (B) A conventional general step platform is hinged on the upper part of two ladder frames, and is a four-point support platform that opens back and forth. It does not fall back and forth, but it is easy to fall to the left and right, and floors with slight irregularities However, the installation of the springboard was not stable and was troublesome. (C) Conventional step ladders are dangerous because there is no place to grab the work on the top plate, and some people warned that work standing up with their toes is especially prohibited.

[0004]

[Means for Solving the Problems]

 (B) Attach the pedestal and the pedestal with hinges so that the two triangular frames are opened around the diagonal pedestal. When the legs are opened, it becomes a triangular pyramid-shaped step platform that can stand on its own, and getting on and off is installed with the two step pillars connected by hinges facing the front. Step on. A step platform with human left and right feet mounted on the surface of the left and right treads of the four-point support platform constructed in this way, and which can be stepped on and off the platform without the instruction manual for the platform. The distance between the two pedestal pillars connected by hinges shall be such that the fingers of the hands enter so that the pedestal pillars can be grasped by hand when getting on and off. In addition, when working while standing on the treadboard with the left and right feet, the two steps platform between the feet may be sandwiched between the insides of both knees to stop shaking of the body or the platform may tilt to the left or right during the work. In such cases, attach a “knee pad” to the two step pillars to strongly hold the step with both feet. (B) Two steps of triangular frame will be used as a stepping platform with diagonal steps as the axis. Although this step is a four-point supporting step, the two side-by-side steps have the same function as a single step because the spacing is narrow. Therefore, the step is the same as a three-point supporting, and the step on the uneven surface is "rattling". It can be installed stably without any trouble, which makes it possible to work with peace of mind. (C) In order to perform safe work on the tread, attach a “knee pad” at the place where the inside of both feet below the knees corresponds to the two step pillars. This means that when working on a treadle, you can stop the body from shaking by holding the two step pillars between your feet inside your knees. This is to hold down the springboard strongly. The knee pad is also attached to the step column near the top of the triangular frame at the top of the top table, so that work on the table is stable and the platform can be tilted from side to side. I can do it.

[0005]

[Action]

 When using this three-point safety platform, open the legs with the two platform columns (2) connected by the hinges (4) facing the front, and stop the platform with the detents (7). This step ladder is a four-point support pedestal, but since the distance between the two front pedestal columns (2) is narrow, it works in the same way as a three-point pedestal. It can be installed. Next, hold the two step pillars connected by the hinges in front of the step platform with both hands, and put the left foot on the left foot type (6) of the tread plate (5) attached to the bottom crosspiece (3) of the left triangular frame. Stand up. Next, the right foot straddles the two tread pillars (2) connected by hinges, and becomes the right foot type (7) of the tread (5) attached to the first pier (3) from the bottom of the right triangular frame. When you put it on and stand up, it means that you stepped up the step. When working at this point, the left and right “knee abutment plates” (9) attached to the two step columns (2) between both knees will cause the body to shake. It can stop and perform detailed work stably. At this time, if the platform is likely to lean to the left, pressing the “knee pad” strongly on the right knee side will move the body to the right and the platform will stabilize. Use the left knee if this is likely to lean to the right. Next, when the left foot was placed on the left foot type (6) of the second tread (5) from the bottom of the left triangular frame, and the right foot was similarly placed on the second tread, the step was lifted two steps. become. The second stage is the top stage, so if you are working at this point, hold the left and right “knee abutment plates” attached to the step pillar near the apex of the triangular frame with both knees and hold down, as in the lower stage. Stable work is possible. Also, when getting off the platform, reverse the riding sequence and change the platform column while riding on the bottom of the footboard of the lower tread and getting down to the floor.

[0006]

【Example】

 Hereinafter, embodiments of the present invention will be described. As shown in FIGS. 1 and 2, the step pillar (2) and the step pillar (2) are attached with the hinge (4) so that the two triangular frames are opened with the diagonal step pillar side as an axis. When the leg is opened, it becomes a triangular pyramid-shaped platform that can stand independently as shown in Fig. 1, and the platform is installed with the two platform columns connected by hinges facing the front as shown in Fig. 1, and the platform (2) Step on the right and left triangular treads (5) alternately. Even if human right and left footsteps (6) and (7) are attached to the surfaces of the left and right treads (5) of the four-point supporting steppreader constructed as described above, and there is no instruction manual for the steppreader, the step column (2) can be used. ) So that it can be easily recognized that the platform is a stepping platform that gets on and off, and the distance between the two platform columns connected by hinges is the interval where the fingers of the hands can enter so that the platform can be gripped by hand when getting on and off. . In addition, when working with the left and right feet standing on the treadle, stop the shaking of the body by pinching the two step pillars (2) between the feet inside the knees, If you are likely to lean to the left or right, attach the “knee pad” to the two step pillars (2) to strongly press the step with your own feet.

[0007]

[Effect of the invention]

 (A) This device is a triangular pyramid-shaped stepping platform, which gets on and off a steep ridge line of the triangular pyramid. The direction of the front of the vehicle can be easily understood without the instruction manual, and it is possible to prevent climbing the steep slope of the triangular pyramid. (B) Since it is a step that works in the same way as a three-point support, it can be stably installed even on the outdoor ground with many irregularities, so detailed work can be done with peace of mind. (C) When standing on the treadle with your left and right feet, when you work between your knees, pinch the “knee pad” attached to the two pillars between your knees. The shaking stops and you can work with both hands with confidence. In addition, when the platform is inclined to the left or right, pressing the “knee pad” opposite to the inclination will cause the weight to move and the platform to be normal. (D) A “knee pad” is attached to the step pillar near the top of the triangular frame at the top of the top plate, so that the body can be stopped from swaying and the tilt of the step platform to the left and right can be controlled as in the lower step It became like. (E) This step ladder is a new type of step ladder that is different from the conventional step ladder. Therefore, even if it is manufactured, it must be explained in terms of its use at the time of sale, but even if there is no instruction manual, the step ladder The upper and lower foot type makes it easy to understand how to use the platform, which makes sales and sales easier, and the superiority of this platform can be quickly known to the public.

[Brief description of the drawings]

FIG. 1 is a front view of the safety three-step stepboard of the present invention when the legs are opened.

FIG. 2 is a plan view when the safety three-point step stool of the present invention is opened.

FIG. 3 is a side view of the triangular frame on the right side of the safety three-point stepboard of the present invention, showing the position of the “knee pad” when the worker stands on the uppermost stepboard.

FIG. 4 is a cross-sectional view showing a positional relationship of a “knee pad” when an operator stands on the uppermost step board as viewed from the front of the safety three-point step platform of the present invention.

[Explanation of symbols]

 1 Stepping pillar in front. 2 Rear step pillar. 3 Horizontal rail with triangular frame. 4 Hinge that connects the two step pillars on the front. 5 treads. 6 Human foot type. 7 Human right foot type. 8 Stop the platform. 9 Knee-plate. 10 Human feet standing on the treads of the springboard.

[Procedure amendment]

[Submission date] March 11, 1998

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims for utility model registration

[Correction method] Change

[Correction contents]

[Utility model registration claims]

Claims (1)

[Utility model registration claims] 1. A step pillar and a step pillar are attached by hinges so that two triangular frames are opened with the diagonal step pillar side as an axis. When the leg is opened, it becomes a triangular pyramid-shaped step platform that can be self-supporting, and getting on and off is installed with the two step pillars connected by hinges facing the front, and alternately step on the left and right triangular frame with feet while straddling the step pillar. Step on. Even if there is no instruction manual for the stepping platform with human left foot and right foot mounted on the surface of the left and right treads of the four-point supporting platform configured in this way, it is immediately possible to step on and off the platform The distance between the two pedestal columns connected by hinges is set so that the fingers of the hands can enter so that the pedestal columns can be gripped by hand when getting on and off. Furthermore, when standing on the treadle with your left and right feet, you can stop the shaking of the body by holding the two step pillars between both feet inside the knees, and the platform may tilt right and left during the work In such a case, a step pad configured to attach a “knee pad” to two step columns to strongly press the step platform with both feet.