CA2100071A1 - Rolling door - Google Patents
Rolling doorInfo
- Publication number
- CA2100071A1 CA2100071A1 CA002100071A CA2100071A CA2100071A1 CA 2100071 A1 CA2100071 A1 CA 2100071A1 CA 002100071 A CA002100071 A CA 002100071A CA 2100071 A CA2100071 A CA 2100071A CA 2100071 A1 CA2100071 A1 CA 2100071A1
- Authority
- CA
- Canada
- Prior art keywords
- roller
- turned
- door
- pulley
- pulleys
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
Landscapes
- Structural Engineering (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Crushing And Grinding (AREA)
- Logic Circuits (AREA)
- Electronic Switches (AREA)
- Glass Compositions (AREA)
- Materials For Photolithography (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Window Of Vehicle (AREA)
- Pinball Game Machines (AREA)
- Liquid Crystal (AREA)
- Lock And Its Accessories (AREA)
- Gates (AREA)
Abstract
A roll-up door comprises a flexible door leaf (1) which is rolled up round an upper roller (2) and which, when unrolled therefrom, closes a door opening. A motor turns the roller (2) in both the unrolling and the rolling-up direction. Two upper pulleys (4), which are coaxial with the roller (2), are disposed one at each end of the roller so as to turn with the roller. Two ropes (6), each travelling over a lower pulley (5) provided in the lower part of the door opening, are, at one end, fixed to the free end of the door leaf (1) and, at the other end, fixed to an upper pulley (4) each, so as to be rolled up round the upper pulley when the roller (2) is turned in the unrolling direction and be unrolled from the upper pulley when the roller is turned in the rolling-up direction. The two upper pulleys (4) are of larger diameter than the roller (2). The upper pulleys (4) are connected to the roller (2) by a spring means (7) which is adapted, when the roller (2) is turned in the unrolling direction, to entrain the two upper pulleys (4) in this movement. The spring means (7) is so mounted that its spring tension increases when the roller (2) is thus turned owing to the fact that the upper pulleys (4) turn more slowly than the roller because of the difference in diameter.
Description
WO92/lZ322 PCT/SE92/00005 ~ 2 ~ 7 1 ROLLING DOOR
~ he present invention relates to a rolllng door or roll-up door compri~ing a flexible door leaf which is rolled up round an upper roller and which, when unrolled therefrom, closes a door opening; a motor for turning the roller ln both the unrolling and the rolling-up dlrection;
two upper pulleys which are coaxial with the roller and dlsposed one at each end of the roller so as to turn with the roller; and two ropes each travelllng over a lower pulley provided in the lower part of the door opening, each rope being fixed, at one end, to the free end of the door leaf and, at the other end, to an upper pulley, 50 as to be rolled up round the upper pulley when the roller is turned in the unrolling direct~on and be unrolled from the upper pulley when the roller ls turned in the rolling-up direction.
The ob~ect of the present invention is to provide a roll-up door of this type, which is equipped wlth a parti-cularly simple device for stretching the door leaf whenwholly or partly unrolled, the stretching force produced by the device lncreasi~g as the door leaf is unrolled. In addition, this device should make it possible to so coun-terbalance the weight of the door leaf that the latter, when the motor is disengaged, either is retained in its position wlthout dropping, or is rolled up round the roller.
According to the invention, this object is achieved by a roll-up door which is of the type stated above and which is characterised in that the two upper pulleys are of larger diameter than the roller and are connected to the roller by a spring means which is adapted, when the roller is turned in the unrolling direction, to entrain : .
the two upper pulleys in thls movement, said spring means being so mounted that its spring tension increases when the roller is thus turned owing to the fact that the . .
W092/12322 PCT/SE92tO0005 ~ ~a~
upper pulleys turn more slowly than the roller because of the difference in diameter.
The invention w$11 be ~escribed in m~re detail belcw wlth reference to the accompanying drawing, in which Fig. 1 is a schematic side view showing a roll-up door accord~ng t~ the inv~ntion, the door ~eaf being part-ly unrolled:
Fig 2 corresponds to Fig. 1, the door leaf being un-rolled to a larger extent than in Fig. 1; and Fig. 3 is a schematlc slde view showing an alterna-tive embodiment of a roll-up door according to the inven-tion.
~he roll-up door lllustrated in Figs 1 and 2 has a door leaf 1 of flexible material, e.g. a plastic-coated woven fabrlc. ~he doo~ leaf 1 is supported by an ~pper roller 2 whlch is disposed above a door opening (not shown) and whose shaft 3 ls rotatably mounted ln a side stand (not shown). The d~or leaf 1 is rolled up round the roller 2 and, when unrolled, closes the door openlng. The roller 2 ls rotatable in both the unrolling and the roll-~ng-up dlrection by means of a motor (not shown) drlving the shaft 3.
~ wo upper pulleys 4, which are of larger diameter than the roller 2, are supported in freely rotatable man-ner by the shaft 3 on both sides of the roller 2. Twolower pulleys 5 are arranged in the lower part of the door opening, each pulley being disposed straight below an upper pulley 4. A rope 6 travels over each pulley 5, and is, at one end, flxed to the free end edge of the door leaf 1 and, at the other end, fixed to the upper pulley 4 straight above, so as to be rolled up round and unrolled fro~ the upper pulley 4 when the roller 2 is rotated in the unrolling and the rolling-up direction, respectively.
Each upper pulley 4 is connected to the roller 2 by a spring 7 which, for reasons of clarity, is illustrated as a tension spring mounted on the outside of the roller 2 and the respect1ve pulley 4. As will be appreciated by - . .
. . ,, . .. . , : . . . .
.:: ,' . ~ , ': - . .
,: , .
W092/l2322 PCT/SE92/00005 2100~7~
anyone skilled in the art, the sprlng may be of any suit-able type able to perform the function described below.
The springs 7 are so mounted on the roller and the pulley that they, when the roller is turned in the unrolling dlrection, entrain the pulleys 4 in this movement while thelr sprlng tension is increased, as will be explained in more detail b~low.
When the door leaf 1 is to be unrolled further from the partly unrolled posltion shown ln Flg. 1, the shaft 3, and consequently the roller 2, is turned clockwise (Fig. 1) by means of the motor. Thus, a certain length of the door leaf 1 is unrolled from the roller 2, while the same length of the ropes 6 is rolled up round each pulley 4. When the roller 2 ls thus turned, the springs 7 entrain the pulleys 4 ln this movement. Since the pulleys 4 are of larger diamèter than the roller 2, they are, however, not turned as much as the roller 2, and the springs 7 are thus increasingly tensioned as the roller 2 ls turned. This fact is illustrated in Figs 1 and 2 with the aid of refe-rence mark~ 8 and 9 provided on the roller 2 and the pul-ley 4, respectively. The marks 8 and 9 are situated oppo-site to one another when the door leaf 1 is in the partly unrolled position shown in Fig. 1. When the door-leaf length L has been unrolled from the roller 2, the latter has been turned clockwise to the position shown in Fig. 2, in which the reference mark 8 on the roller 2 is slightly ahead of the reference mark 9 on the pulley 4, as illu-strated. As also appears from Fig. 2, the spring 7 has been extended a corresponding distance.
As appears from the foregoing, the door leaf 1 is stretched by the springs 7 via the ropes 6 connected to the free end edge of the door leaf 1, the stretching force produced by the spr~ngs 7 increasing as the door leaf 1 is unrolled. The desired stretching force ls obtained by a suitable choice of the springs 7 and the difference in diameter between the roller 2 and the pulleys 4. Suitably chosen, the springs 7 obviously ensure that the weight of .: ~ . . ; ....... ~. . . . . .; . . ~ . ; . .
` ' ' ' ' :.: '. . . ':: ' ' ' : ., ' ` , .- '.
the door leaf 1 ls counterbalancQd in such a manner that the door leaf either is retained in its position without dropping, or is rolled up round the roller 2, lf the motor is disengaged, e.g. in the event of a power failure.
S Compared with the roll-up door illustrated in F$gs 1 and 2, the space-saving embodiment shown in Flg. 3 re-quires very little space outs~de the wall in whlch the door openlng ls formed. The roll-up door of Fi~. 3 differs from that of F~gs 1 and 2 only ln that a guide roller lO
~s provl~ed for each rope 6. The guide roller lO is dls-posed sllghtly below the upper pulley 4 and is closer to the wall. The lower pulleys 5 are then d$sposed closer to the wall, straig~t below the guide rcllers lO.
..... . . . . . . - . . .. .
.
- ~ :
:
~ he present invention relates to a rolllng door or roll-up door compri~ing a flexible door leaf which is rolled up round an upper roller and which, when unrolled therefrom, closes a door opening; a motor for turning the roller ln both the unrolling and the rolling-up dlrection;
two upper pulleys which are coaxial with the roller and dlsposed one at each end of the roller so as to turn with the roller; and two ropes each travelllng over a lower pulley provided in the lower part of the door opening, each rope being fixed, at one end, to the free end of the door leaf and, at the other end, to an upper pulley, 50 as to be rolled up round the upper pulley when the roller is turned in the unrolling direct~on and be unrolled from the upper pulley when the roller ls turned in the rolling-up direction.
The ob~ect of the present invention is to provide a roll-up door of this type, which is equipped wlth a parti-cularly simple device for stretching the door leaf whenwholly or partly unrolled, the stretching force produced by the device lncreasi~g as the door leaf is unrolled. In addition, this device should make it possible to so coun-terbalance the weight of the door leaf that the latter, when the motor is disengaged, either is retained in its position wlthout dropping, or is rolled up round the roller.
According to the invention, this object is achieved by a roll-up door which is of the type stated above and which is characterised in that the two upper pulleys are of larger diameter than the roller and are connected to the roller by a spring means which is adapted, when the roller is turned in the unrolling direction, to entrain : .
the two upper pulleys in thls movement, said spring means being so mounted that its spring tension increases when the roller is thus turned owing to the fact that the . .
W092/12322 PCT/SE92tO0005 ~ ~a~
upper pulleys turn more slowly than the roller because of the difference in diameter.
The invention w$11 be ~escribed in m~re detail belcw wlth reference to the accompanying drawing, in which Fig. 1 is a schematic side view showing a roll-up door accord~ng t~ the inv~ntion, the door ~eaf being part-ly unrolled:
Fig 2 corresponds to Fig. 1, the door leaf being un-rolled to a larger extent than in Fig. 1; and Fig. 3 is a schematlc slde view showing an alterna-tive embodiment of a roll-up door according to the inven-tion.
~he roll-up door lllustrated in Figs 1 and 2 has a door leaf 1 of flexible material, e.g. a plastic-coated woven fabrlc. ~he doo~ leaf 1 is supported by an ~pper roller 2 whlch is disposed above a door opening (not shown) and whose shaft 3 ls rotatably mounted ln a side stand (not shown). The d~or leaf 1 is rolled up round the roller 2 and, when unrolled, closes the door openlng. The roller 2 ls rotatable in both the unrolling and the roll-~ng-up dlrection by means of a motor (not shown) drlving the shaft 3.
~ wo upper pulleys 4, which are of larger diameter than the roller 2, are supported in freely rotatable man-ner by the shaft 3 on both sides of the roller 2. Twolower pulleys 5 are arranged in the lower part of the door opening, each pulley being disposed straight below an upper pulley 4. A rope 6 travels over each pulley 5, and is, at one end, flxed to the free end edge of the door leaf 1 and, at the other end, fixed to the upper pulley 4 straight above, so as to be rolled up round and unrolled fro~ the upper pulley 4 when the roller 2 is rotated in the unrolling and the rolling-up direction, respectively.
Each upper pulley 4 is connected to the roller 2 by a spring 7 which, for reasons of clarity, is illustrated as a tension spring mounted on the outside of the roller 2 and the respect1ve pulley 4. As will be appreciated by - . .
. . ,, . .. . , : . . . .
.:: ,' . ~ , ': - . .
,: , .
W092/l2322 PCT/SE92/00005 2100~7~
anyone skilled in the art, the sprlng may be of any suit-able type able to perform the function described below.
The springs 7 are so mounted on the roller and the pulley that they, when the roller is turned in the unrolling dlrection, entrain the pulleys 4 in this movement while thelr sprlng tension is increased, as will be explained in more detail b~low.
When the door leaf 1 is to be unrolled further from the partly unrolled posltion shown ln Flg. 1, the shaft 3, and consequently the roller 2, is turned clockwise (Fig. 1) by means of the motor. Thus, a certain length of the door leaf 1 is unrolled from the roller 2, while the same length of the ropes 6 is rolled up round each pulley 4. When the roller 2 ls thus turned, the springs 7 entrain the pulleys 4 ln this movement. Since the pulleys 4 are of larger diamèter than the roller 2, they are, however, not turned as much as the roller 2, and the springs 7 are thus increasingly tensioned as the roller 2 ls turned. This fact is illustrated in Figs 1 and 2 with the aid of refe-rence mark~ 8 and 9 provided on the roller 2 and the pul-ley 4, respectively. The marks 8 and 9 are situated oppo-site to one another when the door leaf 1 is in the partly unrolled position shown in Fig. 1. When the door-leaf length L has been unrolled from the roller 2, the latter has been turned clockwise to the position shown in Fig. 2, in which the reference mark 8 on the roller 2 is slightly ahead of the reference mark 9 on the pulley 4, as illu-strated. As also appears from Fig. 2, the spring 7 has been extended a corresponding distance.
As appears from the foregoing, the door leaf 1 is stretched by the springs 7 via the ropes 6 connected to the free end edge of the door leaf 1, the stretching force produced by the spr~ngs 7 increasing as the door leaf 1 is unrolled. The desired stretching force ls obtained by a suitable choice of the springs 7 and the difference in diameter between the roller 2 and the pulleys 4. Suitably chosen, the springs 7 obviously ensure that the weight of .: ~ . . ; ....... ~. . . . . .; . . ~ . ; . .
` ' ' ' ' :.: '. . . ':: ' ' ' : ., ' ` , .- '.
the door leaf 1 ls counterbalancQd in such a manner that the door leaf either is retained in its position without dropping, or is rolled up round the roller 2, lf the motor is disengaged, e.g. in the event of a power failure.
S Compared with the roll-up door illustrated in F$gs 1 and 2, the space-saving embodiment shown in Flg. 3 re-quires very little space outs~de the wall in whlch the door openlng ls formed. The roll-up door of Fi~. 3 differs from that of F~gs 1 and 2 only ln that a guide roller lO
~s provl~ed for each rope 6. The guide roller lO is dls-posed sllghtly below the upper pulley 4 and is closer to the wall. The lower pulleys 5 are then d$sposed closer to the wall, straig~t below the guide rcllers lO.
..... . . . . . . - . . .. .
.
- ~ :
:
Claims
CLAIM
Roll-up door comprising a flexible door leaf (1) which is rolled up round an upper roller (2) and which, when unrolled therefrom, closes a door opening; a motor for turning the roller in both the unrolling and the rolling-up direction; two upper pulleys (4) which are coaxial with the roller and disposed one at each end of the roller so as to turn with the roller; and two ropes (6) each travelling over a lower pulley (5) provided in the lower part of the door opening, each rope (6) being fixed, at one end, to the free end of the door leaf (1) and, at the other end, to an upper pulley (4), so as to be rolled up round the upper pulley when the roller (2) is turned in the unrolling direction and be unrolled from the upper pulley when the roller is turned in the rolling-up direction, c h a r a c t e r i s e d in that the two upper pulleys (4) are of larger diameter than the roller (2) and are connected to the roller by a spring means (7) which is adapted, when the roller (2) is turned in the unrolling direction, to entrain the two upper pulleys (4) in this movement, said spring means (7) being so mounted that its spring tension increases when the roller (2) is thus turned owing to the fact that the upper pulleys (4) turn more slowly than the roller because of the difference in diameter.
Roll-up door comprising a flexible door leaf (1) which is rolled up round an upper roller (2) and which, when unrolled therefrom, closes a door opening; a motor for turning the roller in both the unrolling and the rolling-up direction; two upper pulleys (4) which are coaxial with the roller and disposed one at each end of the roller so as to turn with the roller; and two ropes (6) each travelling over a lower pulley (5) provided in the lower part of the door opening, each rope (6) being fixed, at one end, to the free end of the door leaf (1) and, at the other end, to an upper pulley (4), so as to be rolled up round the upper pulley when the roller (2) is turned in the unrolling direction and be unrolled from the upper pulley when the roller is turned in the rolling-up direction, c h a r a c t e r i s e d in that the two upper pulleys (4) are of larger diameter than the roller (2) and are connected to the roller by a spring means (7) which is adapted, when the roller (2) is turned in the unrolling direction, to entrain the two upper pulleys (4) in this movement, said spring means (7) being so mounted that its spring tension increases when the roller (2) is thus turned owing to the fact that the upper pulleys (4) turn more slowly than the roller because of the difference in diameter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9100072A SE467746B (en) | 1991-01-10 | 1991-01-10 | roller door |
| SE9100072-9 | 1991-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2100071A1 true CA2100071A1 (en) | 1992-07-11 |
Family
ID=20381576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002100071A Abandoned CA2100071A1 (en) | 1991-01-10 | 1992-01-09 | Rolling door |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP0565601B1 (en) |
| JP (1) | JPH06504343A (en) |
| KR (1) | KR0175685B1 (en) |
| AT (1) | ATE139601T1 (en) |
| AU (1) | AU648146B2 (en) |
| CA (1) | CA2100071A1 (en) |
| DE (1) | DE69211676T2 (en) |
| DK (1) | DK0565601T3 (en) |
| FI (1) | FI96355C (en) |
| NO (1) | NO178161C (en) |
| SE (1) | SE467746B (en) |
| WO (1) | WO1992012322A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU677891B2 (en) * | 1994-01-14 | 1997-05-08 | Taisho Pharmaceutical Co., Ltd. | Thiazoline derivative |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE353573B (en) * | 1972-03-03 | 1973-02-05 | Berden & Co Ab | |
| DE3710575A1 (en) * | 1987-03-30 | 1988-10-13 | Schieffer Gmbh Co Kg | ROLLING DOOR WITH A FLEXIBLE MATERIAL DOOR LEAF |
| DE3905224A1 (en) * | 1987-10-23 | 1990-08-30 | Labex Import Export Ind | ROLLING GATE |
| DE3735850C1 (en) * | 1987-10-23 | 1989-02-23 | Labex Gmbh Imp Exp Industriean | rolling gate |
-
1991
- 1991-01-10 SE SE9100072A patent/SE467746B/en unknown
-
1992
- 1992-01-09 JP JP4503610A patent/JPH06504343A/en active Pending
- 1992-01-09 AT AT92903208T patent/ATE139601T1/en not_active IP Right Cessation
- 1992-01-09 DE DE69211676T patent/DE69211676T2/en not_active Expired - Fee Related
- 1992-01-09 CA CA002100071A patent/CA2100071A1/en not_active Abandoned
- 1992-01-09 EP EP92903208A patent/EP0565601B1/en not_active Expired - Lifetime
- 1992-01-09 AU AU11714/92A patent/AU648146B2/en not_active Ceased
- 1992-01-09 WO PCT/SE1992/000005 patent/WO1992012322A1/en active IP Right Grant
- 1992-01-09 DK DK92903208.4T patent/DK0565601T3/en active
- 1992-01-09 KR KR1019930702054A patent/KR0175685B1/en not_active IP Right Cessation
-
1993
- 1993-07-08 NO NO932504A patent/NO178161C/en not_active IP Right Cessation
- 1993-07-09 FI FI933166A patent/FI96355C/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK0565601T3 (en) | 1996-10-14 |
| KR0175685B1 (en) | 1999-04-01 |
| AU1171492A (en) | 1992-08-17 |
| DE69211676T2 (en) | 1997-02-13 |
| EP0565601A1 (en) | 1993-10-20 |
| FI933166A0 (en) | 1993-07-09 |
| NO178161C (en) | 1996-01-31 |
| WO1992012322A1 (en) | 1992-07-23 |
| FI96355B (en) | 1996-02-29 |
| NO178161B (en) | 1995-10-23 |
| SE9100072L (en) | 1992-07-11 |
| FI933166A (en) | 1993-07-09 |
| AU648146B2 (en) | 1994-04-14 |
| DE69211676D1 (en) | 1996-07-25 |
| SE467746B (en) | 1992-09-07 |
| FI96355C (en) | 1996-06-10 |
| NO932504D0 (en) | 1993-07-08 |
| JPH06504343A (en) | 1994-05-19 |
| EP0565601B1 (en) | 1996-06-19 |
| NO932504L (en) | 1993-07-08 |
| ATE139601T1 (en) | 1996-07-15 |
| SE9100072D0 (en) | 1991-01-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |