JPH09279971A - Upper and lower room interconnecting ladder setup device and method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To store a ladder at a corner, not to interrupt when not used, to interconnect an upstairs room as a garret and a downstairs room right thereunder, when a space in the garret is used as a loft or a living room, and easily and quickly pull it out, when used, along a floor in an inclined state and to provide a carrier tool to easily move up and down articles to be carried with driven power instead of manpower. SOLUTION: In an upper and lower room interconnecting ladder setup device, a ladder 1 has the upper end 1-1 mounted on a wall 2 near a ceiling via a mounting member 3 movable up and down and in the direction of inclination and the lower end arranged to be grounded on a floor in a vertical or inclined state. A carrier tool 5 is mounted on the ladder 1 to be movable up and down along the ladder 1 and a hitch is provided for the ladder 1 via a mounting so that the carrier tool can be held horizontal even when the ladder 1 is inclined.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for installing a ladder for connecting upper and lower rooms and a method for installing the ladder. , Or a ladder that connects the basement room with the basement room, can be stored at the end of the room so that it does not get in the way when not needed, and can be easily and quickly pulled out along the floor when in use. The purpose is to make it possible to easily raise and lower the transported object without using human hands.

[0002]

BACKGROUND OF THE INVENTION It is generally known to use ceiling ladders to utilize the attic space. The structure is such that it is pulled down diagonally from the ceiling when it is used and folded in the length direction when not needed to be stored in the attic. The other structure is that the wall near the ceiling is provided with a pipe for hooking up and down in two steps, and hooks at the upper end of the ladder are hooked on it to lean it vertically and store it. It is a method of hooking on the pipe and arranging it diagonally.

[0003]

However, the former is troublesome because it is necessary to use a rod with a hook to manually insert and withdraw the ladder. Also, the ladder occupies the downstairs room during the time when the room is in the upper room such as the attic, which is an obstacle.
In the latter case, since the upper and lower dedicated pipes are provided at a high place, the hook at the upper end of the ladder needs to be re-hooked downstairs, which requires a considerable amount of force and the re-hooking work is troublesome.

[0004]

SUMMARY OF THE INVENTION Therefore, the present invention is provided to achieve the above object and to solve the problems of the prior art. That is, the first aspect of the present invention is, in the installation device for the ladder for connecting the upper and lower chambers, the upper end of the ladder is attached to the upper part of the wall through the attaching member that can move vertically and tilt, and the lower end is vertically or tilted. The footrest is installed via the adjusting member so that it is kept horizontal to the ladder body through the adjusting member, and the carriage is attached to the ladder body along the ladder body. It is mounted so that it can move up and down, and a mounting tool is provided to keep the platform horizontal even when the ladder body is vertical as well as inclined.

A second aspect of the present invention is the installation device for the ladder for connecting the upper and lower chambers according to the first aspect of the present invention, wherein an attachment tool is provided between the vertical groove and the vertical groove of the ladder body for slanting installation. Parts are provided.

In a third aspect of the present invention, in the installation device for the ladder for connecting the upper and lower chambers according to the first aspect of the present invention, the lower end of the ladder body is rolled.
Provide a roller body and a stopper for the roller body on the floor
Is provided.

In a fourth aspect of the present invention, in the installation device for the ladder for connecting the upper and lower chambers according to the first aspect, the lower part of the ladder is connected to the ladder moving mechanism to drive the motor or manually move the ladder vertically. The state can be changed from the inclined state to the inclined state or from the inclined state to the vertical state.

A fifth aspect of the present invention is a method of installing a ladder for connecting an upper chamber and a lower chamber, wherein the upper end is mounted near the ceiling so that the upper end can be moved vertically and tilted, and the lower end can be tilted vertically or at a predetermined angle. A method for installing a ladder for connecting the upper and lower chambers, characterized in that the ladder to be installed on a surface is arranged so that it can be tilted vertically or at a predetermined angle.

[0009]

The operation based on the above means will be described. First, on the wall side near the ceiling, the upper end of the ladder is attached so that it can move up and down and tilt, and the lower end is arranged vertically or can be tilted at a predetermined angle on the floor, and the ladder Can be moved to a predetermined angle manually or by power. When the ladder body is pulled out from the vertical state in the inclined direction, the upper end of the ladder body moves from the upper part to the lower part of the mounting member, and the lower end of the ladder body tilts at a predetermined angle while contacting the floor surface via the roller body. And stop. Also,
The carriage mounted on the surface of the ladder moves vertically due to the power drive along the height direction of the ladder, and the base surface of the carriage supports the carriage supporting the carriage even when the ladder is inclined. The horizontal state is maintained by changing and setting the hanging position to a predetermined position.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a ceiling ladder installation device according to the present invention will be described below with reference to the drawings. 1 is a side view showing a state in which a ladder body is vertically stored, FIG. 2 is a side view in which the ladder body is pulled out in an inclined direction and arranged at a predetermined angle, and FIG. 3 is shown in FIG.
1 is a front view of FIG. 4, FIG. 4 is a plan view of FIG. 1, FIG. 5 is an enlarged side view showing a relationship in which a carrier is attached to a vertically leaning ladder body, and FIG. 6 is a front view of FIG. 5 is a cross-sectional view taken along line 7-7 of FIG. 5, FIG. 8 is a side view of the state of FIG. 5 pulled out in an inclined direction and arranged at a predetermined angle, and FIG. 9 is another example of a ladder body withdrawing and storing means. It is a side view shown.

In the figure, reference numeral 1 is a ladder body having an upper end portion 1 ₁ attached to a wall portion 2 near the ceiling and a lower end portion 1 _{2 in contact} with a floor surface. The footrest 11 of the ladder body is connected to an operating rod-shaped adjusting member 12 so that the footrest 11 is attached to the side surface of the ladder body so as to be kept horizontal when it is vertical and when it is inclined. 3 is
It is an attachment member provided on the wall body portion 2 of the ceiling portion, and the upper end portion 1 ₁ thereof is attached to the long groove 3 ₁ so that the ladder body 1 can move up and down and tilt. 4 is a floor, abolish the lower end of the predetermined position hanging ladder body stopper -4 ₁
Is provided. 5 is a carriage, the base surface by the attachment to ,, and stearyl -5 ₁ so that it can move up and down along the height direction of the ladder body 1 is horizontal in other inclined state of the vertical position of the ladder body holding Supported to be. 6 is a fixture for mounting the carrier 5, which is a vertical groove 6 ₁ and a supporting portion 6 ₂ for supporting the lower end of the step 5 ₁ of the carrier 5 in the middle of the groove. 6 ₂ ′ · 6 ₂ ″ is formed. 7 is a roller provided at the lower end of the ladder body
Body 8 is a vertical and tilting movement mechanism of the ladder body provided at a position corresponding to the floor surface 4, the endless belt ₈₁ illustrated example of connecting the ladder member lower end 1 ₁ forward and reverse mode - by motor -M ' It has a function of pulling out the ladder body 1 by a predetermined distance L to be in an inclined state of a predetermined angle θ or to return it to a vertical state. Reference numeral 9 denotes a ceiling, and an entrance / exit 91 is provided at a mounting portion of the ladder body 1, and an opening / closing lid 9 thereof is provided.
2 is provided. Further, the opening / closing lid is provided with a recess 93 at a portion in contact with the ladder body 1, and a slide member 94 is provided in the recess so that the slide member 94 can be moved back and forth by a spring 95 or the like. Reference numeral 10 is a guide rail for guiding the roller 60 of the fixture 6 so as to sandwich the roller 60 from both sides in the frames on the left and right sides of the ladder body 1. Reference numeral 11 is a footrest of a ladder body, and 12 is an actuating rod-shaped adjusting member for adjusting the angle of the footrest according to the inclination of the ladder body. The moving amount of the adjusting member is adjusted by the hooks 12 ₁ and 12 ₂ . It plays a regulating role. Reference numeral 13 indicates a handrail provided on the wall body portion 2 above the ladder body 1.

[0012]

[Specific Usage Example] A specific usage example according to the above embodiment will be described. When the ladder body is used, the ladder body 1 which is vertically leaned against the floor body 4 in FIG.
Release the hooked state of the roller body 7 from 4 _{1 and} pull it out in the lateral direction. On the other hand, the upper end 1 _{1 of the} ladder body is the long groove 3 _{1 of the} fixture 3.
Lowering from the upper part to the lower part and moving by a predetermined angle θ and a distance L while pressing the slide member 94 of the lid 92 which is closed by a part of the ladder body, and then stops on the floor-4
The roller body 7 at the lower end of the ladder body is hooked to ₁ '(FIG. 2). When the ladder body 1 is horizontal when it is vertical, the footrest 11 is also kept horizontal by the actuating rod-shaped adjusting member 12 and its hook 12 ₁ . At this time, although stearyl -5 ₁ which supports the carriage 5 is hooked to the middle of the concave latching portions 6 ₂ fixture 6, in the case where the ladder body 1 is inclined at a predetermined angle θ is The footrest 11 is kept horizontal by the operating bar 12 and the hook 12 ₂ . Further, the carriage 5 with respect to the ladder body 1, when the ladder member 1 is vertical support stearyl -5 ₁ is hooked to the recess 6 _{and second} middle fitting 6 as shown in FIG. And horizontal when the ladder 1 of Fig. 8 is a tilted state 'Taimen 5 of carriage 5 and is hooked to the' stearyl -5 ₁ recess 6 ₂ of the lower fixture 6 is held. In this state, when the motor M is driven by operating the downstairs switch S ₁ or the upstairs S ₁ ′, when the attachment 6 is pulled by the wire W, the roller 60 is guided along the guide rail 10. And the carriage 5 connected to the fixture 6 also rises. In addition, the upper recess 6
When the ₂ "hooking the stearyl -5 _1, a state in which the carriage 5 is substantially leaning against the vertical direction is maintained. Then, the uplink using the footrest 11 in an inclined ladder body 1, the ceiling of the doorway 91 The lid 92 is opened to enter the upper floor room B. Furthermore, a required object to be carried is placed on the carrier 5 mounted on the ladder body 1, and the forward / reverse rotation motor M is driven to move the floor through the wire-W. It is transported to the upper chamber B or the lower chamber A. When lowering the object to be transported from the upper floor to the lower floor, the motor drive is performed in the reverse operation.

Next, when the moving mechanism 8 is used to vertically and tilt the ladder body shown in FIGS. 1, 2 and 9, the lower room A
'Mode by operating the - data -M' switch S ₂ or the switch S ₂ upstairs B is driven, and the endless belt ₈₁ the lower end 1 ₂ linked ladder body forward and reverse mode - the motor -M 'drive The ladder body 1 is moved forward and backward with a predetermined inclination angle θ.
Is pulled out to allow a person to move up and down, or the motor drive is reversed to retract the ladder body 1 and store it while leaning vertically. In this case, the ladder is leaned vertically when it is not needed, but a person can go up and down by holding the footrest 11 horizontally even in the vertical state. Further, even when the ladder body 1 is in the vertical state, the platform surface of the carrier 5 is kept horizontal, and even when the ladder body is in the vertical state, the to-be-transported object is vertically transported.

[0014]

EFFECTS OF THE INVENTION Since the present invention has the above-mentioned structure, when the space in the attic is used as a storage room or a living room, or when a basement storage room and a room above it are connected, a ladder used for the connection is used. When not in use, it can be stored at the end so that it does not get in the way, and when used, it can be easily and quickly pulled out along the floor surface, and the object to be transported can be easily moved up and down without power using a power drive. . This allows the downstairs ladder to lean against the edge of the room while leaning upstairs, so there is no obstruction downstairs. Further, since the footrest of the ladder body is always kept horizontal even when vertical and inclined, it can be used not only in a normal inclined state but also in a vertical state. Since the platform of the carrier can always be kept horizontal regardless of whether the ladder is vertical or slanted, it is possible to carry the transported object regardless of whether the ladder is vertical or slanted.

[Brief description of drawings]

FIG. 1 is a side view of a device for installing a ladder for connecting an upper chamber and a lower chamber according to the present invention in a vertically stored state.

FIG. 2 is a side view in which a ladder body is pulled out in an inclined direction and arranged at a predetermined angle.

FIG. 3 is a front view of FIG. 1;

4 is a plan view of FIG. 1. FIG.

5 is an enlarged side view showing a relationship in which a carrier is attached to a ladder body leaning vertically against the view of FIG. 1. FIG.

FIG. 6 is a front view of FIG. 5;

7 is a cross-sectional view taken along line 7-7 of FIG.

FIG. 8 is a side view showing the state of FIG. 5 pulled out in an inclined direction and arranged at a predetermined angle.

FIG. 9 is a side view showing another example of the ladder drawer and storage means.

[Explanation of symbols]

 1 Ladder body 2 Wall body part 3 Mounting member 4 Floor surface 5 Carrier 6 Mounting tool 7 Roller body 8 Vertical and tilt drive mechanism of ladder body 9 Ceiling 10 Guide rail of mounting tool 11 Footrest 12 Adjustment of operating rod shape Element

Claims (5)

[Claims] 1. The upper end portion (1 ₁ ) of the ladder body (1) is attached to the upper wall portion (2) through a mounting member (3) which can be vertically moved and tilted, and the lower end portion (1 ₂ ) is attached. The footrest (11) is arranged vertically or inclined so as to be able to come into contact with the floor surface (4), and keeps the footrest (11) horizontal with respect to the ladder body (1) through the adjustment member (12) when vertical and when inclined. And the carriage (5) is attached to the ladder body so that it can be moved up and down along the ladder body (1), and the ladder body (1) is in a vertical state as well as an inclined state, and the platform surface (5 '). Installation of a ladder for connecting the upper and lower chambers, which is equipped with a fitting (6) for maintaining the horizontal. 2. The attachment (6) is provided with a vertical groove (6 ₁ ) and a hooking portion (6 ₂ , 6 ₂ ′) for vertical installation and inclined installation of the ladder body provided in the middle of the vertical groove (6 ₁ ). The installation device for the ladder for connecting the upper and lower chambers described in 1. Wherein b to the lower end of the ladder body (1) - la - provided (4 _1, 4 ₁ ') - the body floor provided with a (7) (4) b - la - stop for the body The installation device for the ladder for connecting the upper and lower chambers according to claim 1. 4. The lower part of the ladder body (1) is connected to the ladder body moving mechanism (8) to drive the motor (M ') or manually to move the ladder body (1) from a vertical state to an inclined state. Alternatively, it is possible to move from an inclined state to a vertical state.
Installation device for the ladder for connecting the upper and lower chambers. 5. A ladder body is installed near the ceiling so that the upper end can be moved up and down and tilted, and the lower end can be installed vertically or at a predetermined angle on the floor so that the ladder body is tilted vertically or at a predetermined angle. A ladder for connecting the upper and lower chambers, which is arranged so that it can be installed.