CN1740508A

CN1740508A - Window curtain with lifting mechanism

Info

Publication number: CN1740508A
Application number: CN 200410064264
Authority: CN
Inventors: T·H·斯特兰德
Original assignee: Springs Window Fashions LP
Current assignee: Springs Window Fashions LP
Priority date: 2004-08-23
Filing date: 2004-08-23
Publication date: 2006-03-01

Abstract

The present invention reveals one kind of curtain, one curtain hoister and one lifting mechanism locking device. The lift mechanism includes main body, one pair of rotating rope reels installed on the main body, and one pair of springs to rotate one part separated from the rope reels for winding the rope on the reels. The locking device includes one main part, one rope slot connected to the main part, and one locking arm with one rope passage jointed with the main part in slide mode. The locking arm has also one rope passage and one offset mechanism to shift the rope out off the rope slot and to lock the rope in the release position.

Description

The curtain that has hoisting mechanism

Technical field

The present invention relates to curtain and hoisting mechanism, use the method that structure promotes curtain that promotes like this, and the locking device that is used for such hoisting mechanism.

Background technology

Curtain such as venetian blind and honeycomb fashion window-blind promotes with an outer tow usually.Venetian blind generally includes the stave of a plurality of levels, their ladder lace by two or more flexibilities be suspended on a rail below.Ladder lace respectively comprises a pair of vertically extending side rope, and they are by the interconnection of the stave of a plurality of perpendicular separations supporting crosspiece, the upper end of ladder be attached to ladder drum or the drum that tilts on so that in response to the rotation of ladder drum the inclination stave.The carrier that is used for several ladders is tilted bar usually and rotates in phase.The honeycomb fashion window-blind generally includes a rail, an end rail, and a continuous folding wing material that is suspended between a rail and the end rail, and it promotes along with outer tow or descends.

Recently to the improvement of Venetian blinds and honeycomb fashion window-blind hoisting mechanism, related to the use of spring motor hoisting mechanism.The spring motor hoisting mechanism provides lifting force to end rail and curtain, and hoisting mechanism allows ropes hidden in the body of curtain.On the spool that rope is stored in hoisting mechanism links to each other.Spring motor is well-known, usually comprises the flat band of the prestressed elastic metallic of coiling, and it has a nature or lax state, and wherein, spring forms tight coiling of reeling.Although there are various hoisting mechanisms at present, also need hoisting mechanism is improved.People require to provide a curtain hoisting mechanism cheapness and compactness and the improved locking device that is used for such hoisting mechanism.

Summary of the invention

According to one or more embodiment of the present invention, provide a curtain and a hoisting mechanism that is used for this curtain.In certain embodiments, hoisting mechanism comprises a main body and a pair of cable reel that is installed in rotation on the main body, and each cable reel is connected in a pair of rope relevant with curtain.Comprise also that according to the hoisting mechanism of these embodiment one is installed in rotation on the drum on the core of main body, this drum engages with a pair of cable reel in the mode of rotating, a pair of disc spring is connected on the drum, disc spring biasing and barrel tumbler are wound up into each rope on the spool in all spools so that rotate cable reel.According to some embodiment, a locking mechanism is set prevents that rope is wound up on the spool.In comprising the embodiment of curtain, curtain comprises a hoisting mechanism such as top firm description type, a rail, an end rail, a curtain between a rail and end rail, and a pair of rope of connector rail, end rail and curtain.

Another aspect of the present invention relates to a rope collecting device or a hoisting mechanism that is used for curtain.According to one or more embodiment, collecting device or hoisting mechanism comprise a main body, the a pair of cable reel that is installed in rotation on the main body, each cable reel is connected in a pair of rope relevant with curtain one, and the disc spring of a pair of location and biasing is used for rotating parts that separate with cable reel, these parts rotate cable reel, so that cable reel is wound up into rope on the spool, and a locking mechanism, be used for preventing that rope is wound on the spool.

The rope releasing device or the locking mechanism that relate to a curtain on the other hand that also has of the present invention.According to one or more embodiment, releasing device or locking mechanism comprise a main body, it has the first rope groove, be used for rope is directed to and draw on the spool, one first lock arm, the part of it and main body is sliding engaged to, and has a passage by therebetween, and a biasing mechanism, it moves the first lock arm passage and deviates from and the aliging of the first rope groove, so that releasedly cord lock is fixed on the position.

The method that relates to a lifting or the curtain such as Venetian blinds or honeycomb fashion window-blind that descends on the other hand that also has of the present invention.According to one or more embodiment, this method comprises provides a curtain, this curtain to comprise a rail, an end rail, a curtain between a rail and end rail, a pair of rope connector rail, end rail and curtain, and a hoisting mechanism that links to each other with end rail.According to these embodiment, hoisting mechanism comprises a main body and a pair of cable reel that is installed in rotation on the main body, and each cable reel is connected in the right rope one.This method also comprises lifting end rail, and like this, cable reel quilt and cable reel separated components drive, and a bias unit, and it is along with the lifting of end rail is drawn rope on spool.

Brief description of drawings

With reference to the following detailed description, wherein description is with reference to all accompanying drawings, can realize to subject content of the present invention with and various advantage be familiar with more completely, in all accompanying drawings:

Fig. 1 is the stereogram according to the Curtain assembly of one embodiment of the invention;

Fig. 2 is the rear elevation that is shown in the Curtain assembly among Fig. 1;

Fig. 3 one is used for the stereogram according to the decomposition of the hoisting mechanism of the curtain of an embodiment;

Fig. 4 is the sectional view along the line 4-4 intercepting of Fig. 2;

Fig. 5 is the sectional view along the line 5-5 intercepting of Fig. 2;

Fig. 6 is the partial section along the hoisting mechanism of the line 6-6 intercepting of Fig. 5;

Fig. 7 one is used for the top perspective view according to the drum in the hoisting mechanism of an embodiment;

Fig. 8 is the face upwarding stereogram of the drum shown in Fig. 7;

Fig. 9 is the lateral view of the drum shown in Fig. 7;

Figure 10 is the sectional view along the line 10-10 intercepting of Fig. 9;

Figure 11 is the stereogram according to the disc spring of an embodiment;

Figure 12 is the stereogram that is used for according to the part of the locking device in the hoisting mechanism of an embodiment; And

Figure 13 is the stereogram that comprises according to the honeycomb fashion blind assembly of the hoisting mechanism of an embodiment.

The specific embodiment

Before the embodiment that describes several demonstrations of the present invention, should be understood that structure that the present invention is set forth in being not limited to describe below or process steps details.The present invention can be used in other embodiment, and can put into practice in every way or implement.

On the whole, one or more embodiment of the present invention relates to the curtain that utilizes hoisting mechanism.Other embodiment relates to locking device or the releasing device that is used for the curtain hoisting mechanism.Other embodiment that also has relates to the method that promotes curtain.

With reference to accompanying drawing, basically with reference to Fig. 1-6, shown in the figure according to the sun blind assembly 10 that utilizes hoisting mechanism 12 of one or more embodiment.Fig. 1 and 4 illustrates venetian blind assembly 10.The venetian blind assembly generally includes a rail 14, an end rail 16, and a curtain 18 that extends between a rail 14 and end rail 16.The curtain 18 that is shown in Fig. 1 and 4 comprises a plurality of single staves 19, and it is known in the venetian blind industry.A pair of rope 20,22 connector rails 14, end rail 16 and curtain 18.In the embodiment shown in Fig. 1 and 4, hoisting mechanism 12 is connected on the end rail 16.

Now in particular with reference to Fig. 3,4 and 5, according to one or more embodiment, hoisting mechanism 12 comprises a main body 24 and a top board 25, a pair of

cable reel

26,28, they be installed in rotation on the main body 24 and be arranged on main body 24 and top board 25 between.

Cable reel

26,28 is roughly cylindrical, and each spool comprises hole 27,29.

Cable reel

26,28 can be installed on a center roller or the

short column

30,32, and each axle or short column are suitable for accepting in the

cable reel

26,28 one by its

corresponding hole

27,29, and allows spool freely to rotate.Should be understood that spool can be installed on the main body 24 by other suitable manner.Each

cable reel

26,28 is connected in the right rope 20,22, and this will be described in detail hereinafter.

Hoisting mechanism 12 comprises that also one is installed in rotation on the drum 34 on the core of main body 24.The same with

cable reel

26,28, drum 34 can comprise a hole 35, and this can clearly see from Fig. 7.The core of main body 24 can comprise that also one is suitable for admitting the axle 33 in the hole 35 of drum 34, freely rotates on axle 33 to allow drum 34.

According to one or more embodiment, drum 34 engages rotationally with cable reel 26,28.By the composition surface such as the gear of getting in touch with each

cable reel

26,28 and drum 34, drum 34 preferably engages rotationally with cable reel 26,28.For example, spool 26 can comprise a gear 36, and spool 28 can comprise a gear 38, the gear 44 that both engagements and hub 34 interrelate.As shown in the figure,

spool gears

36 and 38 and

cable reel

26,28 form, and the drum spool gears 44 are separating parts that separate with drum 34.The assembly and disassembly of hoisting mechanism are convenient in this design, it should be understood, however, that various embodiment are not limited to this design.Therefore, for example,

spool gears

36,38 can be a separating component, and they can be installed on its

corresponding spool

26,28, and drum gear 44 can form with drum 34.Certainly, other variant also is possible.All gears can be corresponding with it spool and drum form, perhaps, all gears can be spool corresponding with it and drum separated components.

By the surface of complementary coupling is provided, can realize the installation of drum gear 44 on drum 34 on drum 34 and gear 44.For example, drum 34 can comprise the hexagon surface 40 (as shown in Figure 7) of a sun, and gear 44 can comprise that one is suitable for being received within the hex-shaped openings 42 of the moon on the positive hexagon surface 40.Perhaps, gear 44 can comprise the hexagon surface of a sun, and drum can comprise that one is suitable for being received in the hexagonal recess (not shown) on gear 44 Shangyang surfaces.Also can adopt other match surface that gear 44 is installed on the drum 34.

According to one or more embodiment, hoisting mechanism 12 also comprises a pair of

disc spring

46,48 that is arranged on loosely around the

axle

30,32, but the dishoarding spool.Preferably, each

disc spring

46,48 is positioned at the position coaxial with each cable reel 26,28.Therefore, in the embodiment shown in the figures,

cable reel

26,28 is separately positioned on

disc spring

46,48 tops.One end of

disc spring

46,48 is connected to drum 34.When curtain was positioned at the position of lifting, a major part of disc spring was wound on around its corresponding axle.When end rail pulls down and when curtain was descended, the part of each spring was transferred on the drum.Two

springs

46,48 are attached on the central dram 34, and are configured to such mode: rotate and curtain when descending when central dram 34, two

springs

46,48 stop (or adverse effect) such rotations.When promoting curtain once more by promoting end rail and release locking device (will be described below),

disc spring

46,48 bias voltages and barrel tumbler 34, drum rotates

cable reel

26,28, so that each rope 20,22 is wound on its corresponding spool.Therefore,

disc spring

46,48 does not directly drive

cable reel

26,28, and they do not contact cable reel.In other words, when curtain promotes,

disc spring

46,48 bias voltages and rotate one with the cable reel separated components, these parts rotate cable reel again.Select disc spring and the enough power of biasing, like this,

cable reel

26,28 is driven by drum 34 and packs up its corresponding rope 20,22 under the effect of sufficient force, and simultaneously, curtain is raised.

Preferably,

disc spring

46,48 is attached on the drum 34 releasedly.As Fig. 7-11 obliquely shown in, drum 34 has

resilient joint surface

50,52, in an illustrated embodiment, they are the form that is formed on the deep-slotted chip breaker in the drum 34.Preferably, drum is a hollow, and each

spring

46,48 has the

narrow end

56,58 of a

part.Spring

46,48 preferably has identical thickness, and the width of spring " W " is substantially the same on the length of spring.In a preferred embodiment, the two ends of each

disc spring

46,48 have identical width.Part

narrow end part

56,58 provides a composition surface that engages with the resilient

joint surface

50,52 of drum.Therefore, by

narrow end

56,58 being inserted in all deep-slotted chip breakers in the drum 34, pivoting

end

56,58 about 90 degree rouse so that

spring

46,48 is locked onto then, and thus, each

disc spring

46,48 engages with drum.Certainly, also can adopt other mode to come combined

spring

46,48 and drum.For example, can utilize the axle and the opening of contact pin, complementation, and other device comes combined

spring

46,48 and drum.

According to one or more embodiment, lifting appliance 12 also comprises a releasing device or locking mechanism 54, puts in place so that discharge ground locking rope, and prevent that rope is wound on the spool when Curtain assembly is positioned at down position on the window.Preferably, locking mechanism 54 links to each other with the main body 24 of hoisting mechanism 12.The details of other on releasing device or the locking mechanism 54 is presented in Fig. 4-6 and 12.In a preferred embodiment, locking mechanism 54 links to each other with the main body 24 of hoisting mechanism 12.Main body 24 comprises a pair of

rope groove

60,62, and they are enough wide, discharging or when wound thereon, allow rope 20,22 from its

corresponding spool

26,28 by therebetween at rope, and not interrupted.As used herein, term " groove " comprises unlimited passage or groove, and closed passage or hole.Locking mechanism also comprise at least one first, be preferably a pair of

lock arm

64,66, they are attached on the lock handle 74, and are sliding engaged to the part of main body 24.

As Figure 12 clearly shown in,

lock arm

64,66 respectively has a

passage

70,72 by arm, so that rope discharges or allows rope 20,22 freely to pass therebetween when wound thereon from spool.As used herein, passage is not limited to a passage that opens wide by lock arm, and it can comprise that one passes through the passage of the closure of lock arm.As shown in Figure 3, locking mechanism 54 comprises a biasing mechanism, and it comprises at least one spring 73, is used for

lock arm passage

70,72 is shifted out aliging of the rope groove corresponding with it 60,62, so that lock rope 20,22 releasedly on certain position.Preferably, biasing mechanism comprises a pair of spring 73.Therefore, under lax state, locking mechanism 54 is in biasing and position locking, and lock arm 70 and groove 60 that rope 20 is not lined up pinch.Similarly, in the position of locking, lock arm 72 and rope groove 62 that rope 22 is not lined up pinch.As Fig. 5 clearly shown in, when compressive force was applied on the

lock arm

64,66 by handle 74, the rope passages 70 in the lock arm 64 alignd with the rope groove 60 of main body 24.Similarly, the rope passage 72 in the lock arm 66 and main body 24 interior rope grooves 62 align.For simplicity,

lock arm

64,66 is parts of a lock handle 74, by hoisting mechanism 12 is held at hand, and squeezes lock handle 74 along the direction shown in the arrow among Fig. 5 75, compressible this lock handle 74.Should be realized that the size of groove and passage depends on the size of the rope that is used to make curtain, the technician can select the groove and the passage of suitable dimension.

In use, when by squeezing lock handle 74 and upwards be lifted on the end rail 16, when rope discharged from the structure of clutching, rope 20,22 was drawn on spool 26,28.

Disc spring

46,48 barrel tumblers 34, and, cause

cable reel

26,28 to draw ropes in along with the lifting of end rail.In one or more embodiments, drum provides basically each paired

spool

26,28 and rotates uniformly, causes curtain to promote equably.Therefore, when manual operations ground locking mechanism 54 discharges and requires to move up the end during rail 16, the trend that

spring

46,48 turns back to its natural state causes central dram 24 to be rotated along certain direction, and this direction causes

spring

46,48 to turn back to the position that surrounds

short column

30,32 loosely.This causes central gear 44 to rotate, and it causes two

rope gears

36,38 to rotate again, therefore, takes in ropes.The frictional resistance of locking mechanism can reduce curtain by downward pulling and overcome, and like this, discharging does not need pressurized to reduce curtain.

With reference to Fig. 3 and 6, another aspect of the present invention provides a pair of

plug

76,78, it has the

corresponding opening

77,79 that pass through therebetween, is suitable for guiding rope 20,22 from interior horizontal direction to a vertical direction roughly of end rail 16, so that guide cords 20,22 is by a curtain and a

rail.Plug

76,78 preferably press fit in the end rail 16, yet, but their also threaded engagement, or be attached in end rail 16 with cementing agent.When hoisting mechanism 12 is used for one when comprising the soft curtain of level of a ladder that tilts, the outer rail that plug 76,78 also can be used to the ladder that will tilt is anchored on the fixing position of one in the end rail.

Therefore, according to one or more embodiment of the present invention, a hoisting mechanism is set, wherein, two springs are received in the central dram, and this is heaved and makes a single output drum, and the strong unit of a compactness is provided, and it can provide the uniform lifting of curtain.The spring of two separation directly is positioned at below the cable reel, but is not directly connected on the cable reel, and it makes end rail space utilization maximization.Therefore, the part of rail of the alternative end of hoisting mechanism, and become the part of the one of end rail.By the back of position and lock mechanism in the face of end rail, locking mechanism can hiddenly be cannot see.Hoisting mechanism compact to design, part belongs to such fact: locking mechanism comprises the

arm

64,66 of two relative thin, and they are inserted in the main body of hoisting mechanism, makes rope passage or opening be positioned at these arms.

Although hoisting mechanism is described with reference to soft curtain, should be realized that hoisting mechanism can be used for the curtain of other type.For example, as shown in figure 13, hoisting mechanism can be used for the window-blind 80 of honeycomb fashion, and it comprises a rail 82 and an end rail 84.Hoisting mechanism can be made amendment and be cooperated the type of rail of the desired end of honeycomb fashion window-blind.

Although the present invention is described with reference to certain embodiments, should be understood that these embodiment are just in order to illustrate principle of the present invention and application.For example, although various embodiment illustrates a pair of rope, in the Curtain assembly of making broad, can use more rope.Therefore, should be understood that, to shown in embodiment can make many remodeling, and under the prerequisite that does not break away from by the defined the spirit and scope of the present invention of appended claims, also can design other structure.

Claims

1. a Curtain assembly comprises:

A rail;

One end rail;

One curtain between a rail and end rail;

The rope of a pair of connector rail, end rail and curtain;

One hoisting mechanism that links to each other with end rail comprises:

One main body; The a pair of cable reel that is installed in rotation on the main body, each cable reel are connected in a pair of rope one; One is installed in rotation on the drum on the core of main body, and this drum engages with paired cable reel rotationally; And a pair of disc spring that is connected on the drum, disc spring respectively is biased barrel tumbler, and drum rotates cable reel, so that each rope is wound up on one of them spool; And

One locking mechanism is used for releasedly lanyard on the position.

2. Curtain assembly as claimed in claim 1 is characterized in that, drum and each cable reel comprise a gear parts, the gear parts of the gear parts engagement drum of each spool.

3. Curtain assembly as claimed in claim 2 is characterized in that, a disc spring in each disc spring be positioned to approx with spool in a spool coaxial.

4. Curtain assembly as claimed in claim 3 is characterized in that each spool is positioned at the top of disc spring.

5. Curtain assembly as claimed in claim 4 is characterized in that, locking mechanism links to each other with end rail.

6. Curtain assembly as claimed in claim 5 is characterized in that, locking mechanism links to each other with the main body of hoisting mechanism.

7. Curtain assembly as claimed in claim 5 is characterized in that, locking mechanism comprises that one is used for guiding the first rope groove in main body on the spool of rope in the cable reel; Be sliding engaged to the part of main body and have a passage by therebetween to be used for admitting one first lock arm of a rope; And a biasing mechanism, be used for moving the first lock arm passage and deviate from and the aliging of the first rope groove, so that releasedly cord lock is fixed on the position.

8. Curtain assembly as claimed in claim 7 is characterized in that biasing mechanism comprises a spring.

9. Curtain assembly as claimed in claim 8, it is characterized in that, locking mechanism comprises second a rope groove that links to each other with another spool in the cable reel, is sliding engaged to the part of main body and has a passage by therebetween to be used for admitting one second lock arm of a rope.

10. Curtain assembly as claimed in claim 9, it is characterized in that, biasing by antagonistic spring applies power and the lock arm passage that each rope groove is corresponding with it aligns so that rope freely moves through passage and groove and allow disc spring to cause cable reel coiling rope, thus, can be suitable for discharging locking mechanism.

11. Curtain assembly as claimed in claim 1 is characterized in that, also comprises a pair of plug that is positioned at end rail, the opening that it has by therebetween is suitable for guiding the orientation of rope from the horizontal orientation in the end rail to perpendicular.

12. one is used for the rope collecting device of curtain, comprising:

One main body;

The a pair of cable reel that is installed in rotation on the main body, each cable reel are connected in a pair of rope relevant with curtain one;

The a pair of disc spring that is positioned in the described main body, they are biased rotates parts that separate with cable reel, and these parts rotate cable reel, so that cable reel is wound up into rope on the spool; And

One locking mechanism is used for preventing that rope is wound on the spool.

13. device as claimed in claim 12 is characterized in that, comprises that also one is installed in rotation on the drum on the core of main body, this drum engages with each of paired cable reel rotationally.

14. device as claimed in claim 13 is characterized in that, drum provides uniform rotation to each of paired spool.

15. device as claimed in claim 14 is characterized in that, drum and each cable reel comprise a gear parts, the gear parts of the gear parts contact drum of each spool.

16. device as claimed in claim 15 is characterized in that, a disc spring in each disc spring be positioned to approx with spool in a spool coaxial.

17. device as claimed in claim 16 is characterized in that, each spool is positioned at the top of disc spring.

18. device as claimed in claim 17 is characterized in that, locking mechanism links to each other with end rail.

19. device as claimed in claim 18 is characterized in that, locking mechanism links to each other with the main body of hoisting mechanism.

20. device as claimed in claim 19 is characterized in that, locking mechanism comprise one be used for guiding on the spool of rope in the cable reel, the first rope groove in main body; Be sliding engaged to the part of main body and have a passage by therebetween to be used for admitting one first lock arm of a rope; And a biasing mechanism, be used for moving the first lock arm passage and deviate from and the aliging of the first rope groove, so that releasedly cord lock is fixed on the position.

21. device as claimed in claim 20 is characterized in that, biasing mechanism comprises a spring.

22. device as claimed in claim 21, it is characterized in that, locking mechanism comprises second a rope groove that links to each other with another spool in the cable reel, is sliding engaged to the part of main body and has a passage by therebetween to be used for admitting one second lock arm of a rope.

23. device as claimed in claim 22, it is characterized in that, biasing by antagonistic spring applies power and the lock arm passage that each rope groove is corresponding with it aligns so that rope freely moves through passage and groove and allow disc spring to cause cable reel coiling rope, thus, can be suitable for discharging locking mechanism.

24. one is used for the rope collecting device of curtain, comprising:

One main body;

The a pair of cable reel that is installed in rotation on the main body, each cable reel are connected in a pair of rope one;

Device in described main body is used for rotating and the cable reel separated components, and these parts rotate cable reel again, so that cable reel is wound on rope on the spool; And

Releasable locking mechanism is used for preventing that rope is wound on the spool.

25. the curtain rope releasing device that a spring motor drives comprises:

One main body, it has the first rope groove, is used for guiding a rope to draw on the spool;

One first lock arm, it engages with the part of main body slidably, and has a passage that passes through therebetween; And

One biasing mechanism is used for moving the first lock arm passage and deviates from and the aliging of the first rope groove, so that releasedly cord lock is fixed on the position.

26. device as claimed in claim 25 is characterized in that, biasing mechanism comprises a spring.

27. device as claimed in claim 26, it is characterized in that, locking mechanism comprises second a rope groove that links to each other with another spool in the cable reel, is sliding engaged to the part of main body and has a passage by therebetween to be used for admitting one second lock arm of a rope.

28. device as claimed in claim 27, it is characterized in that, biasing by antagonistic spring applies power and the lock arm passage that each rope groove is corresponding with it aligns so that rope freely moves through passage and groove and allow disc spring to cause cable reel coiling rope, thus, can be suitable for discharging locking mechanism.

29. one comprises the curtain of device as claimed in claim 28.

30. curtain as claimed in claim 29 is characterized in that, curtain comprises the window-blind of a honeycomb fashion.

31. curtain as claimed in claim 29 is characterized in that, curtain comprises the stave of Venetian blinds.

32. one promotes the method for the curtain that comprises a honeycomb fashion window-blind or Venetian blinds, comprising:

One curtain is provided, this curtain comprises a rail, one end rail, one curtain between a rail and end rail, the rope of a pair of connector rail, end rail and curtain, and a hoisting mechanism that links to each other with end rail, hoisting mechanism comprises a main body and a pair of cable reel that is installed in rotation on the main body, each cable reel is connected in the right rope one; And

Promote end rail, like this, cable reel is driven with the cable reel separated components, contacts with bias unit, so that cable reel is along with rope is drawn in the lifting of end rail in.

33. method as claimed in claim 32 is characterized in that, bias unit comprises a drum that contacts with cable reel and a pair of being biased to rotate the disc spring of this drum.

34. method as claimed in claim 33 is characterized in that, also comprising provides a locking mechanism in end rail.

35. method as claimed in claim 34 is characterized in that, also comprises rope is passed end rail and locking mechanism.

36. method as claimed in claim 35 is characterized in that, also comprises generator, is used for withdrawing from the direction that end rail changes rope with rope.

37. method as claimed in claim 36 is characterized in that, the device that is used for changing the direction of rope comprises a pair of rope plug, and they have the hole by therebetween.

38. one is used for the gathering mechanism of curtain, comprising:

One main body;

The a pair of cable reel that is installed in rotation on the main body, each cable reel are connected in a pair of rope that links to each other with curtain one;

The a pair of disc spring that is positioned in the described main body, they are biased barrel tumbler, and drum rotates cable reel again, so that cable reel is wound on rope on the spool;

One is installed in the movably gear on the drum, contacts with the part of each cable reel.

39. gathering mechanism as claimed in claim 38 is characterized in that, each cable reel comprises a gear, and it contacts with the gear that is installed on rousing.

40. gathering mechanism as claimed in claim 39 is characterized in that, cable reel gear and cable reel form.