JPS59195985A - Sheet wind-up and unwinding apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a wide cylindrical body which is rotatably supported by brackets at both ends thereof, and an upper end of the sheet. Take it all in! The sheet hoisting device that raises and lowers the sheet by rolling the sheet into or from the panning cylinder is related to a coma device.

Such equipment is generally used to raise and lower the roll screen.
For example, a device for raising and lowering the slats 2 of a horizontal blind, winding the lowering tape so that it is wrapped around the cylinder, and thereby lowering the blind 7 times. It can also be used as a lifting device for blinds. However, since this sheet winding and unloading is widely applied to the IA-unloading device of a roll screen, only a brief explanation will be given regarding lowering and unloading of the roll screen.

When winding up and unloading the sheet of a roll screen, generally, the fortification cylinder has a built-in spring that rotates with force, and the surrounding body is F'9[ When it turned 1!-!1 to the desired angle, the sheet of the roll screen was lowered to the desired angle, so the repair cylinder was created and the sheet was removed. The stop that stops F in the sieve... How many tree branches?The same thing has been achieved.As for this kind of one ramie, there are 4 riri (V) flat ones, but in the case of Ushio II, there is one. Applicant's submission, 11th reprimand, 57-1649
Six stops like the one shown in 76? You can use one history for the funeral.

The roll screen with the structure described above is lowered onto the sheet at the desired position by pulling down the lower edge of the sheet of the roll screen with two hands, and then the roll screen is lowered by hand at that position. By moving away, the seat σ stops at the desired height. When trying to raise the sheet, pull down the bottom edge of the sheet slightly by hand to release the stopper, and the spring built into the above-mentioned numbering cylinder will move the sheet to the winding cylinder. It is rotated and one sheet is rolled up.

In the present invention, the above-mentioned sheet winding is performed by an operating wheel operated by an operating string in a shunga printing device? When attached, it is possible to perform the same up-and-down operations as before, as described above, and also to wind up and unwind the sheet by operating the operating string. The present invention is intended to provide sheet winding and unwinding functionality.

The special feature of the present invention is that the sheet is rotatably engaged by brackets at both ends of the ri1, and the sheet is mounted on the fc width cylinder, and the saving force is applied against the winding cylinder. The cylinder is moved to a desired rotational position.The sheet containing the bamboo and bamboo leaves inside the cylinder is placed on the unwinding device, and the inner surface is rolled into the winding cylinder. A protrusion? A W2 cylinder body is provided in the silk 1 cylinder body, which rotatably fits into the inner ring 1 of the protrusion.
The wall of the muscular body has an L-shaped groove that can be moved between a retracted position where it is retracted into the wall and a protruding position where it protrudes from the wall and engages with the protrusion of the body mentioned above. An engagement child? The front layer is formed integrally and coaxially with the operating wheel on which the string is attached, and is loosely fitted in the above W2 cylinder, and the operating wheel? '', can be rotated left and right by a certain angle with respect to the two cylinders, and the relative 1.
Based on the g1 dislocation theory, the above retraction position ih is maintained in the ten-coupled engager, and φ2 (/-) is a relative rotating monk, and is the cough hold child? Should the VC1 moving cam surface be protruded to the protruding position of upper 51? A spring is provided on the surface i7 (formed in the above-mentioned circle m) section and biased to the first relative rotational position of the upper h1 at time n with respect to the two silk cylinders of the ten-bap operation wheel 2. It is in.

An embodiment in which the present invention is applied to a roll screen will be described below with reference to the drawings.

Figure 1 shows the sheet winding device according to the present invention. One implementation f11 of the roll screen to be implemented is shown. In the figure, 1 is a cylindrical body, 2Vi roll screen sheet, 3.4
Reference numeral 5 indicates brackets supporting the winding cylinder 2 at both ends, and 5 indicates a coil spring for rotating the cylinder in one direction.

A disc 7 is attached to the bracket 3 through a clutch bus 6, and a shaft 8 is fixed to the disc 7.
The same coil splinter 5 is connected to the shaft 8 and connected to the cylindrical body 1 at one bent end, and applies a rotational force to the cylindrical body 1, and this rotational force rotates the disc 7. By this, θ7
! You should be able to do one verse. These mechanisms are known in roll screens.

9 is a one-way clamp, connected to IFll+8 via the latch at 1o.

Is 11 the brake? show. Stop W Kipoku-10, Seat 2H
``When the sheet is pulled down to the desired crystallinity, the sheet will move to that position, and when winding up the sea 62, by pulling the sheet slightly toward the lower blade, it will be released and the winding body will be rotated.

It has a 1-effect on sea urchins. As this cleansing mechanism, various structures have been proposed in the past, but the one shown in the figure is the Jitsugan 16497 developed by Tsumugi Motoyama.
3 is acceptable.

The paper brake 11 is adapted to apply braking force to the oil body at the time of starting the sheet, so that the sheet is slowly removed.

Top = 1 (1) Mechanism, roll screen sheet? Pull it down with 乎, then put your hand in the desired T position? When the torso is lifted, the seat is held in a sled position.

In addition, when pulling up the sheet Y, the sheet is pulled down to 1 gravity, the mechanism is released, and the sheet is slowly unrolled onto the winding cylinder. Unfortunately, there are no known roll screens (/,) or those previously developed by this person, which are not directly related to the present invention. , Is this kind of sheet abutte the first historical treasure? (It is an IC device in which an operating device 7 is provided so as to be controlled by the operation 1 of the Sensakupaku 1.

This operating device is indicated at 20 in FIG.

The details of the old man Ikekaku 2 are accepted.

In FIG.
'L' is a cylindrical body having a filter protrusion 22 formed protruding from its inner surface. 26 is a second cylindrical body disposed within the W1 cylindrical body 21 so as to fit inside the protrusion 22. On the wall surface of the second cylindrical body 26, a bait 24 is placed, and a cylindrical retainer 25 with a J configuration is located at a retracted position into the wall surface and at a protrusion of the egg cylindrical body 21 that protrudes from the wall surface. It is movably received within the slot 24 between a protruding argument that engages the slot 22. 26trl The operating wheel 27 (see Fig. 1) is an operating wheel that can be seen at a glance, and a cylindrical portion 28 is formed coaxially with this operating wheel 26, and this cylindrical portion 28 is free inside the second cylindrical body 26. be fitted. The operating wheel 26 is rotatable left and right by a certain angle with respect to the second cylindrical body 26. For this purpose, an arc-shaped slot 29 is formed in the operating wheel 26, and a 'fc protrusion 60 formed in the second cylindrical body 26 is engaged therein so as to be movable within the slot 29 by a predetermined angle.

The relative rotational positions of the upper dpi operating wheel 26 and the second cylindrical body 25cv are shown in FIGS. 6(a) and 6(b).

In FIG. 6, a portion of the sweeping wheel 26 is shown enlarged in order to make it easier to see the relationship between each part. FIG. 6B) shows a first relative rotational position in which the operating wheel 26 is rotated to the right by a predetermined angle with respect to the second cylindrical body 26.

Original figure 6 (operating wheel 26 against second cylinder 26 at mouth 1)
Is the relative rotational position of W2 rotated to the left by the above fixed angle? Ho Ding. However, at the first relative rotational position, the holder 2
5 Hold the key in the above retracted position (shown in Fig. 5H) and press ψ2.
A cam surface 61 is formed on the cylindrical portion 28 and serves to cause the engager 25 to protrude to the protruding position at the relative rotational position. A spring 62 is provided between the operating wheel 26 and the second m1 body 26, which always biases both toward the first relative rotational position.
is located.

The second cylindrical body 26 has a rectangular extension 26a formed therein, and a spring 64 is housed in the cylinder 66 that fits in the rectangular extension. This spring 64 stores energy when the working wheel 26 is rotated by the operating string 27.

Is this what you want to do to operate the operation wheel 26? It works to return it to its original position. These parts are integrally joined by @65 and a lid 66 attached to its end.

The operation of the above device is as follows. It is assumed that the sheet 2 of the roll screen is in a state where the sheet 2 is completely stretched across the width of the width cylinder 1. At this time, the operating position is W3 as shown in the figure). 6. When lowering sheet 2 of the roll screen.
Pull the operating string 27 downward. This allows the operating wheel 26
rotates counterclockwise, and the relative positions of the operating wheel 262, the cylindrical portion 28, and the second cylindrical body 26 are shown in FIG.
``f state. In this state, the engaging element 25 is pushed out at the protruding position I by the convex part of the cam surface on the surface of the cylindrical part 28, and engages with the collar 22 of the first circle 826, thereby causing the copper The first cylinder 21 and the second cylinder 26a are in a locked state, and as the operating wheel rotates, the second cylinder 26 and the ν1 cylinder 21 are both rotated, rotating the @-receiving cylinder 1 by 1g1.
22 sheets have been delivered. At this time, the spring 6 inside the cylindrical body 66
4 is rolled and stored. The operating string 27 is the operating wheel 26
If you pull it out completely.

Operation string 27? r: Disrespectful of the waste, operation wheel 2
7, it is reversed by the action of the spring 640 and returns to its original position. Apart from this, the winding cylinder 1 is stopped at the warping rotation position by the above-mentioned guide structure. Now, by pulling the operating string 27 further, the operating wheel can be rotated again.

Sleeping in a seat coma. In this way, by repeating the reciprocating movement of the operating string 27, the seat can be moved to a desired position.

The above-mentioned mechanism is configured to raise and lower the slats of the horizontal blind by winding them around the winding cylinder. Yes, it can be applied.

Fig. 1 shows an embodiment of the present invention, in which a spring for rotating the cylinder is built into the winding cylinder, and a roll screen configured like a sheet is used to resist the action of this spring. However, on the contrary, instead of incorporating a spring inside the winding cylinder, the sheet is lowered by its own weight and used as an operating string! It can also be applied to a roll screen configured to roll up the winding cylinder by rotating the winding cylinder. Such an embodiment is shown in FIG.

In this embodiment, instead of rotating the width cylinder in one direction by the coil spring 5 shown in FIG. 1, the cylinder is rotated in one direction by the force of the seat itself. Except for a no 1, the age is the same as that shown in 1, βj, so just designate the corresponding part with the same sign 1-,
So0. ) Detailed explanation will be omitted.

As explained above, in the present invention, as used in the rice roll screen, the sheet can be rolled up and rolled up by pulling the edge of the sheet. An operating mechanism using an operating string is added to the seat elevating device, and the seat can be hoisted up or down by repeating the up and down reciprocation of the operating string. , The Sea F-Kiage, which is extremely convenient in practice, provides a means for dismounting the ship.

[Brief explanation of drawings]

The invention in Figure 1? Actual Book 17) Partially cutaway hemogram showing one embodiment of the roll screen, Fig. 2 is an exploded perspective view showing the operating device in the roll screen shown in Fig. 1, Fig. 6 (a) (ol is the second Fig. 4 is a tear sectional view of a 1m0) embodiment of a roll screen to explain the operation of the operating device shown in the figure. 1... shoe-receiving cylinder body, 2.../-t. 6.4...Bracket. 5... Coil spring, 6... Bidirectional clutch spring, 7... Inner machine. 8...Shaft, 9...One-way clutch. 10°°° Stop and attack the city, 11...Brake. 20... Operating device, 21... Cylindrical body. 22...Tsuei, 26...Second cylindrical body. 24...4''; 4 holes, 25... Engagement element. 26... Operating wheel, 27... Operating string. 28... Cylindrical portion, 29... Slot hole. 60... Projection , 61... Cam surface. 62... Spring, 66... Cylindrical body. 64... Spring, 35... Lid. 66... Lid body. 3rd figure) First (B)

Claims (1)

[Claims] The fc is rotatably supported by brackets at both ends.
The upper end of the sheet is attached to the winding cylinder, and the winding cylinder is moved to a desired rotational position by resisting the rotational force applied to the winding cylinder. In order to wind up the sheet, a cylindrical body having a protrusion projecting within 8 degrees was fixed inside the cylindrical body. A W2 cylinder that rotatably fits inside the protrusion is provided in the first cylinder, and a retractable screw is inserted into the groove formed in the wall of the second tm body. Where is the engaging element protruding from the wall surface and capable of moving between the protruding positions and engaging the protrusions of the first cylindrical body? A cylindrical part formed coaxially with the operating wheel on which the operating string is attached? The operating wheel is freely lowered in the second cylinder and is rotatable left and right by a certain angle with respect to the second cylinder;
The above engager in the relative rotational position of? The engagement element is held at the above retracted position and the relative rotational position of the drive 2 is held? A cam surface is formed on the surface of the cylindrical portion to cause the cylindrical portion to protrude to the protruding position, and the operating wheel is always held against the second cylindrical body. The sheet winding and unwinding device is characterized in that a spring is provided to bias (i-T) the first relative rotational position.