EP0579335B1 - Rollable gauze screen - Google Patents
Rollable gauze screen Download PDFInfo
- Publication number
- EP0579335B1 EP0579335B1 EP93202163A EP93202163A EP0579335B1 EP 0579335 B1 EP0579335 B1 EP 0579335B1 EP 93202163 A EP93202163 A EP 93202163A EP 93202163 A EP93202163 A EP 93202163A EP 0579335 B1 EP0579335 B1 EP 0579335B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gauze
- roller
- pull
- hook
- guide
- 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.)
- Expired - Lifetime
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
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/40—Roller blinds
-
- 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
- E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
- E06B9/54—Roller fly screens
-
- 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
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
- E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
- E06B9/86—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic against unauthorised opening
Definitions
- the invention relates to a roller gauze screen according to the preamble of claim 1.
- roller gauze screens of this type for closing off a door or window opening are known in different embodiments.
- the roller mechanism of the roller gauze screen generally comprises a spring so that the pulled-out gauze screen is tensioned and the gauze will always tend to roll up again. Because the pull-beam is held in the pulled-out position, the gauze will always be tensioned tightly and free of folds along the door or window opening.
- the usual means for locking the pull-beam have several disadvantages such as, for example, the cumbersome locking in the pulled-out position or spontaneously detaching of the pull-beam. The latter can, for example, easily happen at a relatively high spring force when a magnet closing means is used.
- the known locking means further have the disadvantage that a separate mounting step is necessary at the location of the door or window opening.
- the locking means are clearly visible and can be experienced as disturbing.
- the locking means may form an obstruction at the door or window opening. If, for example, a roller gauze screen is mounted at both sides of a door opening, the locking means may prevent the joining of the pull-beams.
- GB-A-998 409 discloses a roller gauze screen according to the preamble of claim 1.
- the pull-beam is provided with an opening on both sides adapted to engage the corresponding hooks.
- the distance between the hook and the opposite inner wall of the guide is much larger than the width of the section of the pull-beam extending within the guide, so that the pull-beam can easily pass the hooks.
- EP-A-0 305 081 discloses a roller gauze screen according to the preamble of claim 1, wherein in a first embodiment the cooperating locking means are mounted outside of the guides. In a second embodiment the cooperating locking means are mounted within the guides, wherein one part thereof is made as a wire hook member and the other part includes a complicated channel for receiving an end section of the wire hook member. In both embodiments the pull-beam has to be moved downwardly to release the roller gauze screen.
- the invention aims to provide a roller gauze screen of the above-mentioned type, wherein especially the disadvantages caused by the locking means are obviated in a simple but nevertheless effective manner.
- roller gauze screen according to the invention is characterized by the characterizing features of claim 1.
- the resilient hook is part of a first locking part of plastic material comprising a base fitting in said end of the guide, supporting the resilient hook and comprising at least one wedge-shaped mounting cam cooperating with a corresponding opening in the guide.
- the roller gauze screen of the invention can be manufactured in a very simple manner.
- the resilience of the resilient hook is adjustable.
- each of the cams of the pull-beam is part of a second locking part of plastic material comprising a mounting sleeve fitting on the end of the pull-beam, a body part guided in a slot of the guide and a carrier for the cam, lying within the guide.
- the carrier is provided with U-shaped body for receiving the end edge of the gauze, so that the possibility of the gauze meeting any resistance in the guides is prevented effectively.
- Fig. 1 is a view of an embodiment of the roller gauze screen of the invention in the pulled-out position of the gauze.
- Fig. 2 is a partially exploded view of a detail of the roller gauze screen of Fig. 1 at a larger scale.
- Figs. 3 and 4 show the locking means of the roller gauze screen of Fig. 1 in two different positions.
- roller gauze screen in the pulled-out position wherein the gauze 1 covers a door opening.
- the roller gauze screen can also be used for a window.
- the roller gauze screen comprises a roller mechanism for the gauze 1, said roller mechanism being accommodated in a housing 2.
- the free end of the gauze 1 is connected to a pull-beam 3, the ends of which are guided in guides 4 just as the side edges of the gauze 1.
- each guide consists of a profile tube with a slot 5, wherein the guides 4 are mounted at both sides of the door opening in such a manner that the slots 5 of the guides 4 are facing each other.
- a first locking part 6 is mounted in the end of the guides 4 opposite of the housing 2, which locking part comprises a base 7 carrying a resilient hook 8 and fittingly received in the end of the guide 4.
- the base 7 further comprises at opposite sides a wedge-shaped mounting cam 9 cooperating with a corresponding opening 10 in the guide 4. This makes mounting the first locking part 6 in the guide 4 very simple. In the mounted position of the locking part 6 a flange edge 11 engages the end of the guide 4.
- the resilient hook 8 includes a hook portion 12 extending obliquely with respect to the longitudinal direction of the guide 4 and an adjusting screw 13 is mounted in the base 7, the end of which engages the oblique hook portion 12.
- the resilience of the hook 8 can be adjusted with the aid of the adjusting screw 13. As the adjusting screw 13 is accessible from the outside, the adjustment of the resilience may take place after mounting the locking part 6.
- the base 7 further has a projecting edge 14 fittingly received in the slot 5 of the guide 4.
- a second locking part 15 is mounted on each end of the pull-beam 3.
- This locking part 15 comprises a mounting sleeve 16 attached to the end of the pull-beam.
- An elongated body part 17 joins the mounting sleeve 16 and is received in the slot 5 of the guide 4 in the mounted position of the roller gauze screen.
- the carrier 18 for a cam 19 is provided on the body part 17.
- this cam 19 cooperates with the resilient hook 8 for locking (to lock) the pull-beam 3 in the pulled-out position of the gauze 1.
- the resilience of the hook 8 is adjusted in such a manner that on the one hand it is possible to bring the pull-beam 3 into the locking position, whereas on the other hand a spontaneous loosening is excluded with certainty.
- the locking means described have the advantage that the entire assembly can take place in the factory. For fitting a window or door opening with the roller gauze screen it is only necessary to mount the housing 1 and the guides 4. The locking means further do not form any obstruction at the window or door opening. The locking means are fully hidden from view so that the roller gauze screen has a neat outer appearance. Moreover, it is impossible to damage the locking means.
- the carrier 18 is further provided with a U-shaped body 20 in which the end edge of the gauze 1 is received.
- the mounting sleeve 16 has a corresponding U-shaped receiving space 21 for the gauze, wherein both U-shaped spaces are aligned with the web part 17 of the second locking part 15.
- the U-shaped receiving space 21 of the mounting sleeve 16 joins a corresponding fastening slot 22 in the pull-beam 3. Fastening the end edge of the gauze 1 is easily possible by means of a string provided in said end edge, which string fits tightly in the U-shaped body 20, the U-shaped receiving space 21 and the fastening slot 22.
- pull-beam 3 at its free end is provided with a rubber sealing strip 23 in order to achieve that the door or window opening are well sealed.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Description
The invention relates to a roller gauze screen according to the preamble of claim 1.
Roller gauze screens of this type for closing off a
door or window opening are known in different embodiments. The
roller mechanism of the roller gauze screen generally comprises
a spring so that the pulled-out gauze screen is tensioned
and the gauze will always tend to roll up again. Because
the pull-beam is held in the pulled-out position, the
gauze will always be tensioned tightly and free of folds along
the door or window opening. The usual means for locking the
pull-beam have several disadvantages such as, for example, the
cumbersome locking in the pulled-out position or spontaneously
detaching of the pull-beam. The latter can, for example, easily
happen at a relatively high spring force when a magnet
closing means is used. The known locking means further have
the disadvantage that a separate mounting step is necessary at
the location of the door or window opening. The locking means
are clearly visible and can be experienced as disturbing.
Moreover, the locking means may form an obstruction at the
door or window opening. If, for example, a roller gauze screen
is mounted at both sides of a door opening, the locking means
may prevent the joining of the pull-beams.
GB-A-998 409 discloses a roller gauze screen
according to the preamble of claim 1. In this roller gauze
screen the pull-beam is provided with an opening on both
sides adapted to engage the corresponding hooks. The distance
between the hook and the opposite inner wall of the guide
is much larger than the width of the section of the pull-beam
extending within the guide, so that the pull-beam can
easily pass the hooks.
EP-A-0 305 081 discloses a roller gauze screen
according to the preamble of claim 1, wherein in a first
embodiment the cooperating locking means are mounted outside
of the guides. In a second embodiment the cooperating
locking means are mounted within the guides, wherein one
part thereof is made as a wire hook member and the other
part includes a complicated channel for receiving an end
section of the wire hook member. In both embodiments the
pull-beam has to be moved downwardly to release the roller
gauze screen.
The invention aims to provide a roller gauze screen
of the above-mentioned type, wherein especially the disadvantages
caused by the locking means are obviated in a simple
but nevertheless effective manner.
To this end the roller gauze screen according to the
invention is characterized by the characterizing features of claim 1.
In this manner no separate actions are necessary for
correctly mounting the locking means, because after mounting
the guides the locking means are always in the correct position.
Moreover, the locking means are fully hidden from view
so that on the one hand the roller has a neat outer appearance
and on the other hand the locking means do not form any obstructions
at the door or window opening any more.
Preferably the resilient hook is part of a first
locking part of plastic material comprising a base fitting in
said end of the guide, supporting the resilient hook and comprising
at least one wedge-shaped mounting cam cooperating
with a corresponding opening in the guide. Thereby the roller
gauze screen of the invention can be manufactured in a very
simple manner.
According to the invention it is to be preferred that
the resilience of the resilient hook is adjustable.
According to a favourable embodiment of the invention
each of the cams of the pull-beam is part of a second locking
part of plastic material comprising a mounting sleeve fitting
on the end of the pull-beam, a body part guided in a slot of
the guide and a carrier for the cam, lying within the guide.
Thereby the cams can be easily mounted on the ends of the
pull-beam while moreover an accurate guiding of the pull-beam
in the guides is guaranteed.
Preferably the carrier is provided with U-shaped body
for receiving the end edge of the gauze, so that the possibility
of the gauze meeting any resistance in the guides is prevented
effectively.
The invention will be further explained by reference
to the drawings in which an embodiment of the roller gauze
screen of the invention is schematically shown.
Fig. 1 is a view of an embodiment of the roller gauze
screen of the invention in the pulled-out position of the
gauze.
Fig. 2 is a partially exploded view of a detail of
the roller gauze screen of Fig. 1 at a larger scale.
Figs. 3 and 4 show the locking means of the roller
gauze screen of Fig. 1 in two different positions.
Referring to Fig. 1, there is sown a roller gauze
screen in the pulled-out position wherein the gauze 1 covers a
door opening. Of course, the roller gauze screen can also be
used for a window.
The roller gauze screen comprises a roller mechanism
for the gauze 1, said roller mechanism being accommodated in a
housing 2. The free end of the gauze 1 is connected to a pull-beam
3, the ends of which are guided in guides 4 just as the
side edges of the gauze 1.
As shown in Fig. 2, each guide consists of a profile
tube with a slot 5, wherein the guides 4 are mounted at both
sides of the door opening in such a manner that the slots 5 of
the guides 4 are facing each other.
A first locking part 6 is mounted in the end of the
guides 4 opposite of the housing 2, which locking part comprises
a base 7 carrying a resilient hook 8 and fittingly
received in the end of the guide 4. The base 7 further comprises
at opposite sides a wedge-shaped mounting cam 9 cooperating
with a corresponding opening 10 in the guide 4. This
makes mounting the first locking part 6 in the guide 4 very
simple. In the mounted position of the locking part 6 a flange
edge 11 engages the end of the guide 4.
The resilient hook 8 includes a hook portion 12 extending
obliquely with respect to the longitudinal direction
of the guide 4 and an adjusting screw 13 is mounted in the
base 7, the end of which engages the oblique hook portion 12.
The resilience of the hook 8 can be adjusted with the aid of
the adjusting screw 13. As the adjusting screw 13 is accessible
from the outside, the adjustment of the resilience may
take place after mounting the locking part 6.
As shown in Fig. 2, the base 7 further has a projecting
edge 14 fittingly received in the slot 5 of the guide 4.
A second locking part 15 is mounted on each end of
the pull-beam 3. This locking part 15 comprises a mounting
sleeve 16 attached to the end of the pull-beam. An elongated
body part 17 joins the mounting sleeve 16 and is received in
the slot 5 of the guide 4 in the mounted position of the
roller gauze screen. The carrier 18 for a cam 19 is provided
on the body part 17.
As shown in Figs. 3 and 4, this cam 19 cooperates
with the resilient hook 8 for locking (to lock) the pull-beam
3 in the pulled-out position of the gauze 1. The resilience of
the hook 8 is adjusted in such a manner that on the one hand
it is possible to bring the pull-beam 3 into the locking position,
whereas on the other hand a spontaneous loosening is
excluded with certainty.
The locking means described have the advantage that
the entire assembly can take place in the factory. For fitting
a window or door opening with the roller gauze screen it
is only necessary to mount the housing 1 and the guides 4. The
locking means further do not form any obstruction at the window
or door opening. The locking means are fully hidden from
view so that the roller gauze screen has a neat outer appearance.
Moreover, it is impossible to damage the locking means.
As indicated in Fig. 2, the carrier 18 is further
provided with a U-shaped body 20 in which the end edge of the
gauze 1 is received. The mounting sleeve 16 has a corresponding
U-shaped receiving space 21 for the gauze, wherein both U-shaped
spaces are aligned with the web part 17 of the second
locking part 15. Thereby an accurate guiding of the gauze in
the slot 5 of the guides 4 is guaranteed, excluding any damage
of the gauze 1.
The U-shaped receiving space 21 of the mounting
sleeve 16 joins a corresponding fastening slot 22 in the pull-beam
3. Fastening the end edge of the gauze 1 is easily possible
by means of a string provided in said end edge, which
string fits tightly in the U-shaped body 20, the U-shaped receiving
space 21 and the fastening slot 22.
It is noted that the pull-beam 3 at its free end is
provided with a rubber sealing strip 23 in order to achieve
that the door or window opening are well sealed.
The invention is not restricted to the embodiment
described above which can be varied in a number of ways within
the scope of the claims.
Claims (9)
- Roller gauze screen, comprising a gauze (1), a roller mechanism for the gauze, a pull-beam connected to the free end of the gauze, guides (4) for guiding the ends of the pull-beam (3) and the side edges of the gauze, said guides each having a slot (5) for receiving the corresponding end of the pull-beam and two opposite inner walls extending parallel to the plane of the gauze, and means (8, 19) for locking the pull-beam in the pulled-out position of the gauze, wherein the guides (4) at the ends opposite to the roller mechanism and the pull-beam (3) are provided with cooperating locking means including a hook (8) mounted in said ends of each guide, characterized in that each hook is made as a resilient hook having a tip portion cooperating with a cam (19) mounted on the end of the pull-beam (3) guided in said guide (4), wherein the maximum width of the cam (19) is greater than the distance between the tip portion of the hook (8) cooperating with the cam and the inner wall of the guide (4) facing said tip portion of the hook (8).
- Roller gauze screen according to claim 1, characterized in that the resilient hook (8) is part of a first locking part (6) of plastic material comprising a base (7) fitting in said end of the guide (4), supporting the resilient hook and comprising at least one wedge-shaped mounting cam (9) cooperating with a corresponding opening (10) in the guide.
- Roller gauze screen according to any one of the preceding claims, characterized in that the resilience of the resilient hook (8) is adjustable.
- Roller gauze screen according to claims 2 and 3, characterized in that the resilient hook (8) includes a hook portion (12) extending obliquely with respect to the longitudinal direction of the guide (4) and in that an adjusting screw (13) is mounted in the base (7) engaging the oblique hook portion for adjusting the resilience of the hook.
- Roller gauze screen according to any one of the preceding claims, characterized in that each of the cams (19) of the pull-beam (3) is part of a second locking part (15) of plastic material comprising a mounting sleeve (16) fitting on the end of the pull-beam, a body part (17) guided in a slot (5) of the guide (4) and a carrier (18) for the cam (19), lying within the guide.
- Roller gauze screen according to claim 5, characterized in that cam carrier (18) has a greater width than the slot (5) of the guide (4).
- Roller gauze screen according to claim 5 or 6, characterized in that the carrier (18) is provided with U-shaped body (20) for receiving the end edge of the gauze (1).
- Roller gauze screen according to claim 7, characterized in that the mounting sleeve (16) of the second locking part (15) has a U-shaped receiving space (21) corresponding with the U-shaped body (20) for receiving the end edge of the gauze (1) and joining a corresponding mounting slot (22) for the end edge of the gauze in the pull-beam (3).
- Roller gauze screen according to claim 8, characterized in that the U-shaped body (20) and the U-shaped receiving space (21) are aligned with the body part (17) of the second locking part (15).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL9201251 | 1992-07-13 | ||
| NL9201251A NL9201251A (en) | 1992-07-13 | 1992-07-13 | ROLHOR. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0579335A1 EP0579335A1 (en) | 1994-01-19 |
| EP0579335B1 true EP0579335B1 (en) | 1998-05-13 |
Family
ID=19861048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP93202163A Expired - Lifetime EP0579335B1 (en) | 1992-07-13 | 1993-07-13 | Rollable gauze screen |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0579335B1 (en) |
| DE (1) | DE69318483T2 (en) |
| NL (1) | NL9201251A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6296040B1 (en) | 1999-09-20 | 2001-10-02 | Hamstra-Weesp B.V. | Roller screen |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1266651B1 (en) * | 1993-11-02 | 1997-01-09 | Acrimo Italia Srl | MOSQUITO NET WITH AUTOMATIC NETWORK VOLTAGE DEVICE |
| FR2769338B1 (en) * | 1997-10-03 | 2000-10-27 | Mariton | LOCKING AND UNLOCKING SYSTEM IN THE ROLL-OUT POSITION OF A STORE OR A Roll-up mosquito net |
| NL1007480C2 (en) * | 1997-11-07 | 1999-05-10 | Hamstra Weesp B V | Rolhor. |
| AU4454101A (en) * | 2000-03-15 | 2001-09-24 | Medaldue S.R.L. | Quick-fit mosquito net for door and window openings with an improved device to fix the net when unwound |
| EP1331353A3 (en) * | 2002-01-16 | 2004-01-07 | Mado Nederland B.V. | Locking device for an extendable and retractable blind or shade |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB998409A (en) * | 1961-09-08 | 1965-07-14 | Hunter Douglas Int Quebec Ltd | Improvements in and relating to roll screens |
| DE3721921C1 (en) * | 1987-07-02 | 1989-02-16 | Seizo Hayashiguchi | Screening device |
| GB2211540A (en) * | 1987-08-27 | 1989-07-05 | Hunter Douglas Ind Bv | Latch for blind |
-
1992
- 1992-07-13 NL NL9201251A patent/NL9201251A/en not_active Application Discontinuation
-
1993
- 1993-07-13 DE DE69318483T patent/DE69318483T2/en not_active Expired - Fee Related
- 1993-07-13 EP EP93202163A patent/EP0579335B1/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6296040B1 (en) | 1999-09-20 | 2001-10-02 | Hamstra-Weesp B.V. | Roller screen |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0579335A1 (en) | 1994-01-19 |
| DE69318483T2 (en) | 1998-11-12 |
| NL9201251A (en) | 1994-02-01 |
| DE69318483D1 (en) | 1998-06-18 |
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