EP0235952B1 - A window with an adjustable slat blind and an insect screen mountable internally thereof - Google Patents

A window with an adjustable slat blind and an insect screen mountable internally thereof Download PDF

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Publication number
EP0235952B1
EP0235952B1 EP19870300931 EP87300931A EP0235952B1 EP 0235952 B1 EP0235952 B1 EP 0235952B1 EP 19870300931 EP19870300931 EP 19870300931 EP 87300931 A EP87300931 A EP 87300931A EP 0235952 B1 EP0235952 B1 EP 0235952B1
Authority
EP
European Patent Office
Prior art keywords
window
sash
screen
operating member
blind
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
Application number
EP19870300931
Other languages
German (de)
French (fr)
Other versions
EP0235952A1 (en
Inventor
Hans Niels Brandt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VKR Holding AS
Original Assignee
VKR Holding AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by VKR Holding AS filed Critical VKR Holding AS
Publication of EP0235952A1 publication Critical patent/EP0235952A1/en
Application granted granted Critical
Publication of EP0235952B1 publication Critical patent/EP0235952B1/en
Expired legal-status Critical Current

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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
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • 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
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/264—Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
    • 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

Definitions

  • This invention relates to a window comprising a main frame and a sash pivotally journalled therein, with a blind mounted internally of the sash, which blind is formed from horizontally extending slats and has an adjusting mechanism provided with an operating member accessible from the internal side of the sash, the window further comprising an insect screen adapted to be detachably mounted in the main frame internally of the window sash with the blind between the screen and the sash.
  • US-A-2 311 300 discloses a window of almost the same type except that the insect screen is mounted externally of the window sash, i.e. between the sash and the blind, and is intended to be held permanently in place. This follows from the fact that parts of the mechanism for adjusting the blind are supported by the screen and cannot easiy be separated from the parts of the mechanism belonging to the blind. Only the operating crank of the mechanism may be detached or removed, as shown in Fig. 6 of the document, butthis feature serves only the purpose of allowing the sash to be closed from its open position.
  • the insect screen carries a further operating member, e.g. a knob, and a flexible element is provided for connecting the two operating members which element has a head portion engageable in a non-circular socket of the first said operating member so as to be slidale but non-rotatable relative thereto.
  • a further operating member e.g. a knob
  • a flexible element is provided for connecting the two operating members which element has a head portion engageable in a non-circular socket of the first said operating member so as to be slidale but non-rotatable relative thereto.
  • Each operating member may take the form of a knob.
  • the slat blind adjusting mechanism may, owing to the additional operating member, e.g. additional knob, be operated while the insect screen is in its position of use, but a far more decisive advantage is, however, that the clutch connection between said two knobs is automatically established when mounting the screen, as the head on the flexible shaft will then so to say by itself find its way into the non-circular socket. Neither when mounting the insect screen nor when demounting it does the clutch mechanism require any attention from user's position.
  • said head may advantageously be approximately spherical with incisions for slidable engagement with inwardly projecting cams in the socket.
  • the spherical shape allows for a certain angular movement of the flexible shaft which may then without any harm have an appropriate longitudinal stiffness, and the incisions and the cams may for example give the head and the socket a hexagonal cross-sectional view.
  • An embodiment of the invention is illustrated on the drawing showing a sectional view of the upper part of a window, which may for instance be of the tilting type.
  • FIG. 1 is the top member of the main frame of the window in which a sash 2 is mounted in an ordinary way.
  • the sash 2 carries an ordinary slat blind 4 having a mechanism, not shown in detail, for adjustment of the inclination of the slat blind lamellas 5.
  • Said mechanism includes a knob 6 secured on a bushing 7 having an elongate, socket 8 of non-circular cross-section.
  • the main frame 1 supports a detachable insect screen 9 in the moulding 10 which when mounted is secured in a recess provided in the main frame.
  • Said screen comprises further a knob 11 journalled in a pair of fixture plates 12 on either side of the screen 9 proper, at least one of which for stability purposes being in engagement with the moulding 10.
  • the knob 11 is firmly connected with a flexible shaft 13 extending into the socket 8 in the bushing 7 of the first mentioned knob 6 and having at its foremost end an approximately spherical head 14 which has a non-circular cross-section similar to that of the socket 8.
  • the mounting and the demounting of the insect screen is effected by a tilting movement about its lower edge (not shown),thereby allowing the head 14 to slide easily into and out of the socket 8.

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)
  • Blinds (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Description

  • This invention relates to a window comprising a main frame and a sash pivotally journalled therein, with a blind mounted internally of the sash, which blind is formed from horizontally extending slats and has an adjusting mechanism provided with an operating member accessible from the internal side of the sash, the window further comprising an insect screen adapted to be detachably mounted in the main frame internally of the window sash with the blind between the screen and the sash.
  • US-A-2 311 300 discloses a window of almost the same type except that the insect screen is mounted externally of the window sash, i.e. between the sash and the blind, and is intended to be held permanently in place. This follows from the fact that parts of the mechanism for adjusting the blind are supported by the screen and cannot easiy be separated from the parts of the mechanism belonging to the blind. Only the operating crank of the mechanism may be detached or removed, as shown in Fig. 6 of the document, butthis feature serves only the purpose of allowing the sash to be closed from its open position.
  • In known windows of the type specified above it is a drawback that the insect screen in its mounted position internally of the window sash impedes the access to the knob on the inner face of the sash and the operation of said knob thus necessitates the screen to be temporarily taken down. This does not only cause some extra trouble, but it also involves the risk of insects flying in atthe window if not completely closed.
  • Said drawback is eliminated through the invention in that the insect screen carries a further operating member, e.g. a knob, and a flexible element is provided for connecting the two operating members which element has a head portion engageable in a non-circular socket of the first said operating member so as to be slidale but non-rotatable relative thereto. Each operating member may take the form of a knob.
  • In this case the slat blind adjusting mechanism may, owing to the additional operating member, e.g. additional knob, be operated while the insect screen is in its position of use, but a far more decisive advantage is, however, that the clutch connection between said two knobs is automatically established when mounting the screen, as the head on the flexible shaft will then so to say by itself find its way into the non-circular socket. Neither when mounting the insect screen nor when demounting it does the clutch mechanism require any attention from user's position.
  • In order to prevent the head from getting jammed upon displacement in the socket, said head may advantageously be approximately spherical with incisions for slidable engagement with inwardly projecting cams in the socket. The spherical shape allows for a certain angular movement of the flexible shaft which may then without any harm have an appropriate longitudinal stiffness, and the incisions and the cams may for example give the head and the socket a hexagonal cross-sectional view.
  • In order to ensure sufficient stability it is preferred to journal the knob of the insect screen in a pair of fixture plates located on either side of the screen, one of which being fixableto an edge rail of the screen. This further eliminates the risk of damaging the screen proper, for instance when handling it roughly either manually or by motor operation.
  • An embodiment of the invention is illustrated on the drawing showing a sectional view of the upper part of a window, which may for instance be of the tilting type.
  • In the drawing 1 is the top member of the main frame of the window in which a sash 2 is mounted in an ordinary way. Inside a double-glass pane 3 the sash 2 carries an ordinary slat blind 4 having a mechanism, not shown in detail, for adjustment of the inclination of the slat blind lamellas 5. Said mechanism includes a knob 6 secured on a bushing 7 having an elongate, socket 8 of non-circular cross-section.
  • Inside the sash 2 the main frame 1 supports a detachable insect screen 9 in the moulding 10 which when mounted is secured in a recess provided in the main frame. Said screen comprises further a knob 11 journalled in a pair of fixture plates 12 on either side of the screen 9 proper, at least one of which for stability purposes being in engagement with the moulding 10. The knob 11 is firmly connected with a flexible shaft 13 extending into the socket 8 in the bushing 7 of the first mentioned knob 6 and having at its foremost end an approximately spherical head 14 which has a non-circular cross-section similar to that of the socket 8.
  • The mounting and the demounting of the insect screen is effected by a tilting movement about its lower edge (not shown),thereby allowing the head 14 to slide easily into and out of the socket 8.

Claims (4)

1. A window comprising a main frame (1) and a sash (2) pivotally journalled therein,with a blind (4, 5) mounted internally of the sash, which blind is formed from horizontally extending slats and has an adjusting mechanism provided with an operating member (6) accessible from the internal side of the sash, the window further comprising an insect screen (9, 10) adapted to be detachably mounted in the main frame internally of the window sash with the blind between the screen and the sash, characterised in that the insect screen (9, 10) carries a further operating member (11) and a flexible element (13) is provided for connecting the two operating members which element has a head portion (14) engageable in a non-circular socket (8) of the first said operating member (6) so as to be slidable but non-rotatable relative thereto.
2. A window according to claim 1 wherein said head portion (14) is shaped to engage splines carried by the first said operating member.
3. A window according to claim 1 or claim 2 wherein said head (14) of the flexible element (13) is approximately spherical with incisions for sliding engagement with inwardly projecting cams in the socket (8).
4. A window as claimed in claim 1, claim 2 or claim 3 wherein said further operating member (11) carried by the insect screen (9, 10) is journalled in a pair of fixture plates (12) located on either side of the screen, one of which being fixable to an edge rail (10) of the screen (9).
EP19870300931 1986-02-06 1987-02-03 A window with an adjustable slat blind and an insect screen mountable internally thereof Expired EP0235952B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK57786A DK155228C (en) 1986-02-06 1986-02-06 WINDOW WITH ADJUSTABLE WINDOWS AND ONE WITH THIS INSTALLABLE INSECTNET
DK577/86 1986-02-06

Publications (2)

Publication Number Publication Date
EP0235952A1 EP0235952A1 (en) 1987-09-09
EP0235952B1 true EP0235952B1 (en) 1990-04-11

Family

ID=8095134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870300931 Expired EP0235952B1 (en) 1986-02-06 1987-02-03 A window with an adjustable slat blind and an insect screen mountable internally thereof

Country Status (4)

Country Link
EP (1) EP0235952B1 (en)
DE (1) DE3762255D1 (en)
DK (1) DK155228C (en)
HU (1) HU197404B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7066233B2 (en) 2002-07-22 2006-06-27 Pella Corporation Sliding operator for between the glass window coverings

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK170957B1 (en) * 1994-02-04 1996-04-01 Rasmussen Kann Ind As Openable window with adjustable light guard and detachable shielding device
WO2004009942A1 (en) 2002-07-22 2004-01-29 Pella Corporation Sliding operator for between the glass window coverings

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1829343A (en) * 1929-04-27 1931-10-27 W J Baker Company Inc Screened window operating device
US1993050A (en) * 1930-12-10 1935-03-05 Cook Roger Allen Casement operator and lock
US2311300A (en) * 1939-11-06 1943-02-16 J E Bush Control mechanism for shutters
SE310933B (en) * 1963-12-23 1969-05-19 Mullsjoeverken Ab
SE391556B (en) * 1976-04-06 1977-02-21 G Serneblad SCREEN DEVICE, PREFERABLY FOR HERMETICALLY CLOSED WINDOW CASSETTES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7066233B2 (en) 2002-07-22 2006-06-27 Pella Corporation Sliding operator for between the glass window coverings

Also Published As

Publication number Publication date
DK155228C (en) 1989-07-10
EP0235952A1 (en) 1987-09-09
DK155228B (en) 1989-03-06
DK57786D0 (en) 1986-02-06
DK57786A (en) 1987-08-07
DE3762255D1 (en) 1990-05-17
HU197404B (en) 1989-03-28
HUT43368A (en) 1987-10-28

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