EP1537285A1 - Window locking device - Google Patents

Window locking device

Info

Publication number
EP1537285A1
EP1537285A1 EP03792303A EP03792303A EP1537285A1 EP 1537285 A1 EP1537285 A1 EP 1537285A1 EP 03792303 A EP03792303 A EP 03792303A EP 03792303 A EP03792303 A EP 03792303A EP 1537285 A1 EP1537285 A1 EP 1537285A1
Authority
EP
European Patent Office
Prior art keywords
locking member
bushing
sash
retaining
retracted position
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.)
Granted
Application number
EP03792303A
Other languages
German (de)
French (fr)
Other versions
EP1537285B1 (en
Inventor
Claus Holm
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 EP1537285A1 publication Critical patent/EP1537285A1/en
Application granted granted Critical
Publication of EP1537285B1 publication Critical patent/EP1537285B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
    • E05C17/46—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means in which the wing or a member fixed thereon is engaged by a movable fastening member in a fixed position; in which a movable fastening member mounted on the wing engages a stationary member
    • E05C17/48—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means in which the wing or a member fixed thereon is engaged by a movable fastening member in a fixed position; in which a movable fastening member mounted on the wing engages a stationary member comprising a sliding securing member

Definitions

  • the present invention relates to a locking device for pivot or bottom hung windows, especially, but not exclusively, for such windows mounted on an easily accessible facade.
  • the invention relates to a pivot or bottom window, having a sash provided with a latch for locking engagement with the window frame .
  • the window frame comprises a recess for receiving a latch mounted on the sash and extending parallel to the pivot axis .
  • the latch engages the recess to lock the sash in a ventilation position.
  • DE-43 28 330 discloses such a locking device for a pivot or bottom hung window.
  • the locking device comprises a bushing mounted in the window frame and an axially movable cylindrical locking member received in the bushing having an extended active position and a retracted inactive position.
  • the cylindrical locking member is formed by a key operated locking cylinder. In its active position the locking cylinder obstructs the opening movement of the sash, typically limiting the movement of the sash between a closed position to a ventilation position engaging the latch.
  • This type of lock provides excellent burglar resistance, but is cumbersome to use as the user needs to have the key available for locking and unlocking. Further, it is not possible to lock the window in a ventilation position using the latch when this type of cylinder lock is mounted in the window frame .
  • Cylinder locks are also relatively expensive. Not all customers desire the additional locking feature. Factory fitting all widows of this type with a cylinder lock would increase product cost beyond competitive levels . Cylinder locks are therefore typically retrofitted, which further increases the costs, since skilled technicians are needed to fit the cylinder locks in situ.
  • a locking device for pivot or bottom hung windows comprising a bushing for mounting in a window frame, an axially movable locking member received in the bushing having an extended active position and a retracted inactive position and being resiliently biased towards the extended position, and means for retaining the locking member in the retracted position, wherein the locking member is provided with an axially opening recess for receiving a latch extending from a sash of the window.
  • the sash can be blocked from opening further than a ventilation position when the locking member is in the active position and the sash can also be locked in a ventilation position using the latch when the locking member is in the retracted position.
  • the locking device is inexpensive, so it can be factory fitted as a standard feature whilst maintaining competitive manufacturing costs .
  • the means for retaining the locking member in the retracted position is key-less.
  • the locking member is provided with an radially outwardly extending pin that engages a substantially L-shaped groove in the bushing for retaining the locking member in the retracted position.
  • This construction enables the locking member to be selectively retained in the retracted position.
  • the bushing may be provided with an radially inwardly extending pin that engages a substantially L-shaped groove in the locking member for retaining the locking member in the retracted position.
  • the locking member may be provided with a radially outwardly extending pin that engages a substantially U- or Z-shaped groove in the bushing for retaining the locking member in the retracted position and in the extended position. This construction enables the locking member to be selectively retained in the retracted position and in the extended position.
  • the bushing may be provided with a radially inwardly extending pin that engages a substantially U- or Z-shaped groove in the locking member for retaining the locking member in the retracted position and in the extended position.
  • a pivot or bottom hung window comprising a window frame and a sash provided with a latch for locking engagement with the window frame, a bushing mounted in the window frame, an axially movable locking member received in the bushing having an extended active position in which it obstructs the sash and a retracted inactive position in which it does not obstruct the sash, the locking member being resiliently biased towards the extended position, and means for retaining the locking member in the retracted position, the bushing being mounted in the frame so that it faces the latch when the sash is in an open position and the locking member being provided with an axially opening recess for receiving the latch.
  • the sash can be blocked from opening further than a ventilation position when the locking member is in the active position and the sash can also be locked in a ventilation position using the latch when the locking member is in the retracted position.
  • the locking device is inexpensive, so it can be factory fitted as a standard feature whilst maintaining competitive manufacturing costs.
  • the means for retaining the locking member in the retracted position is key-less.
  • the locking member is provided with a radially outwardly extending pin that engages a substantially L-shaped groove in the bushing for retaining the locking member in the retracted position.
  • This construction enables the locking member be selectively retained in the retracted position.
  • the bushing may be provided with a radially inwardly extending pin that engages a substantially L-shaped groove in the locking member for retaining the locking member in the retracted position.
  • the locking member may be provided with a radially outwardly extending pin that engages a substantially U- or Z-shaped groove in the bushing for retaining the locking member in the retracted position and in the extended position. This construction enables the locking member to be selectively retained in the retracted position and in the extended position.
  • the bushing may be provided with a radially inwardly extending pin that engages a substantially U- or Z-shaped groove in the locking member for retaining the locking member in the retracted position and in the extended position.
  • the bushing is mounted such that the sash can only be opened to a ventilation position when the locking member is in its active position.
  • Fig. 1 shows a closed and a ventilation position of the sash
  • Fig. 2 is a sectional view through a locking device in a first preferred embodiment of the invention
  • Fig. 3 is a top view on the locking device shown in
  • Fig. 2 is a side view of the locking device shown in Fig. 2,
  • Fig. 5 shows the sash in another ventilation position
  • Fig. 6 is a top view on the window frame and sash with a detail showing the engagement of a latch with the locking device with the sash in a ventilation position
  • Fig. 7 is a sectional view through a second preferred embodiment of the locking device according to the invention
  • Fig. 8 is a top view of a third preferred embodiment of the locking device according to the invention.
  • a pivot roof window according to the invention is an openable window with a window frame 2 and an openable sash 1. It is understood that the invention can be equally applied also to bottom hung windows in a substantially vertical facade.
  • the sash structure is pivotally journalled in the frame structure with an axis of rotation parallel with the top and bottom members by means of pivotal hinges 3 , known per se, between the frame 2 and sash 1.
  • the frame and sash structures are for the major part built up by wood, although it is also possible to use metal or plastic.
  • the sash 1 carries a window pane 15.
  • the sash 1 In a closed position, the sash 1 is oriented substantially parallel with the window frame 2. In the closed position a locking mechanism (not shown) engages a recess 16 in the window frame to lock the window.
  • the locking mechanism is operated by a handle 4. Such locking mechanisms are well known in the art and are therefore not shown in detail here.
  • a ventilation position of the sash 1 at which it forms an acute angle with the window frame 2 is shown in broken lines in Fig. 1. Opening the sash 1 further is prevented by a locking device 5 which is described in more detail below.
  • the locking device 5 comprises a metal or plastic bushing 7 provided with a closed bottom and an annular rim 12 at its open end.
  • the bushing is to mounted in a bore in frame 2.
  • a metal or plastic cylindrical locking member 8 is slidably received in the bushing 7.
  • the locking member is provided with a bore 15 in which the latch 6 can be received when the locking member 8 is in a retracted position.
  • a radially outwardly protruding pin 10 is fixed to the locking member 8.
  • the pin extends into an L-shaped groove 11 arranged in the bushing 7. In the retracted position the pin 10 is located at the end of the tangentially extending arm lib of the L-shape groove 11, thus retaining the locking member 8 in the retracted position.
  • the locking member 8 can be moved from the retracted position to the extended position by turning the locking member 8 anti-clockwise and releasing it.
  • the locking member 8 can be moved from the extended position by pressing it into the bushing 7 and turning it clockwise .
  • the locking member 8 is at its axial periphery provided with a serrated or grooved surface for improving frictional contact with an operator's fingers.
  • Relatively broad types of windows may be provided with two locking devices 5, one at each side of the window frame 2, to improve structural stability.
  • the sash 1 can also be locked in a ventilation position by engaging the latch 6 with bore 15 in the locking member 7 when the latter is in the retracted position.
  • FIG. 7 another preferred embodiment of the locking device is shown.
  • a radially inwardly protruding pin 10 is fixed to the bushing 7.
  • the pin 10 is received in an L-shaped groove 11' provided in the locking member 8.
  • the operation of moving the locking member between the retracted position and the extended position is the same as for the embodiment described above .
  • FIG. 8 yet another preferred embodiment of the locking device is shown.
  • An additional tangentially extending arm lie has been added to the L- shaped groove 11, thus forming a U-shaped groove.
  • the pin 10 is located at the end of the arm lie and prevents the locking member from being pushed into the bushing 7.
  • Arm lie may also extend in the opposite direction so that the L-shaped groove 11 becomes Z-shaped.
  • a U- or Z-shaped groove can also be used when the groove is provided in the locking member 8 as described above .
  • a key operated locking mechanism such as a locking cylinder, to lock the locking member in the extended position and eventually also the retracted position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wing Frames And Configurations (AREA)
  • Lock And Its Accessories (AREA)
  • Hinges (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Window Of Vehicle (AREA)

Abstract

The present invention related to a locking device (5) for pivot or bottom hung windows. The device comprises a bushing (7) for mounting in a window frame. An axially movable cylindrical locking member (8) is received in the bushing. In an extended active position the locking member (8) obstructs the sash (1). The locking member (8 ) can be retained in retracted inactive position and is resiliently biased towards the extended position. The locking member (8) is provided with an axially opening recess (15) for receiving a latch (6) extending from the sash (1) of the window.

Description

WINDOW LOCKING DEVICE
The present invention relates to a locking device for pivot or bottom hung windows, especially, but not exclusively, for such windows mounted on an easily accessible facade. In particular, the invention relates to a pivot or bottom window, having a sash provided with a latch for locking engagement with the window frame .
BACKGROUND ART
Conventional windows of this . type are provided with a locking mechanism operated by a handle for locking the sash in a closed position. Often, the possibility to lock the sash in a ventilation position is also provided. Hereto, the window frame comprises a recess for receiving a latch mounted on the sash and extending parallel to the pivot axis . The latch engages the recess to lock the sash in a ventilation position.
It is though sometimes possible to reach the latch from the outside when the sash is in the ventilation position. For easily accessible facades, such a construction presents a burglary risk.
Therefore, there are commercially available additional locking means that can be mounted after the installation of the window in an easily accessible facade. DE-43 28 330 discloses such a locking device for a pivot or bottom hung window. The locking device comprises a bushing mounted in the window frame and an axially movable cylindrical locking member received in the bushing having an extended active position and a retracted inactive position. The cylindrical locking member is formed by a key operated locking cylinder. In its active position the locking cylinder obstructs the opening movement of the sash, typically limiting the movement of the sash between a closed position to a ventilation position engaging the latch. This type of lock provides excellent burglar resistance, but is cumbersome to use as the user needs to have the key available for locking and unlocking. Further, it is not possible to lock the window in a ventilation position using the latch when this type of cylinder lock is mounted in the window frame .
Cylinder locks are also relatively expensive. Not all customers desire the additional locking feature. Factory fitting all widows of this type with a cylinder lock would increase product cost beyond competitive levels . Cylinder locks are therefore typically retrofitted, which further increases the costs, since skilled technicians are needed to fit the cylinder locks in situ.
DISCLOSURE OF THE INVENTION
On this background, it is an object of the present invention to provide an inexpensive user friendly and versatile locking device of the kind referred to above. This object is achieved in accordance with claim 1 by providing a locking device for pivot or bottom hung windows comprising a bushing for mounting in a window frame, an axially movable locking member received in the bushing having an extended active position and a retracted inactive position and being resiliently biased towards the extended position, and means for retaining the locking member in the retracted position, wherein the locking member is provided with an axially opening recess for receiving a latch extending from a sash of the window. Thus, the sash can be blocked from opening further than a ventilation position when the locking member is in the active position and the sash can also be locked in a ventilation position using the latch when the locking member is in the retracted position. The locking device is inexpensive, so it can be factory fitted as a standard feature whilst maintaining competitive manufacturing costs .
Preferably, the means for retaining the locking member in the retracted position is key-less.
Advantageously, the locking member is provided with an radially outwardly extending pin that engages a substantially L-shaped groove in the bushing for retaining the locking member in the retracted position. This construction enables the locking member to be selectively retained in the retracted position.
Alternatively, the bushing may be provided with an radially inwardly extending pin that engages a substantially L-shaped groove in the locking member for retaining the locking member in the retracted position.
To retain the locking member in the extended position, the locking member may be provided with a radially outwardly extending pin that engages a substantially U- or Z-shaped groove in the bushing for retaining the locking member in the retracted position and in the extended position. This construction enables the locking member to be selectively retained in the retracted position and in the extended position.
Alternatively, the bushing may be provided with a radially inwardly extending pin that engages a substantially U- or Z-shaped groove in the locking member for retaining the locking member in the retracted position and in the extended position.
On the above background; it is a further object of the present invention to provide a more user friendly and versatile pivot or bottom hung window . of the kind referred to above. This object is achieved in accordance with claim 7 by providing a pivot or bottom hung window comprising a window frame and a sash provided with a latch for locking engagement with the window frame, a bushing mounted in the window frame, an axially movable locking member received in the bushing having an extended active position in which it obstructs the sash and a retracted inactive position in which it does not obstruct the sash, the locking member being resiliently biased towards the extended position, and means for retaining the locking member in the retracted position, the bushing being mounted in the frame so that it faces the latch when the sash is in an open position and the locking member being provided with an axially opening recess for receiving the latch.
Thus, the sash can be blocked from opening further than a ventilation position when the locking member is in the active position and the sash can also be locked in a ventilation position using the latch when the locking member is in the retracted position. The locking device is inexpensive, so it can be factory fitted as a standard feature whilst maintaining competitive manufacturing costs.
Preferably, the means for retaining the locking member in the retracted position is key-less.
Advantageously, the locking member is provided with a radially outwardly extending pin that engages a substantially L-shaped groove in the bushing for retaining the locking member in the retracted position. This construction enables the locking member be selectively retained in the retracted position.
Alternatively, the bushing may be provided with a radially inwardly extending pin that engages a substantially L-shaped groove in the locking member for retaining the locking member in the retracted position.
To retain the locking member in the extended position, the locking member may be provided with a radially outwardly extending pin that engages a substantially U- or Z-shaped groove in the bushing for retaining the locking member in the retracted position and in the extended position. This construction enables the locking member to be selectively retained in the retracted position and in the extended position.
Alternatively, the bushing may be provided with a radially inwardly extending pin that engages a substantially U- or Z-shaped groove in the locking member for retaining the locking member in the retracted position and in the extended position.
Preferably, the bushing is mounted such that the sash can only be opened to a ventilation position when the locking member is in its active position.
At the same time it is possible that the bushing is mounted such that the sash can be locked in a ventilation position with the latch engaging the recess in the locking member when the latter is in the retracted position. Further objects, features, advantages and properties of the pivot or bottom hung window and the locking device according to the invention will become apparent from the detailed description.
BRIEF DESCRIPTION OF THE DRAWINGS
In the following detailed portion of the present description, the invention will be explained in more detail with reference to the preferred embodiments shown in the drawings, in which
Fig. 1 shows a closed and a ventilation position of the sash,
Fig. 2 is a sectional view through a locking device in a first preferred embodiment of the invention,
Fig. 3 is a top view on the locking device shown in
Fig. 2, Fig. 4 is a side view of the locking device shown in Fig. 2,
Fig. 5 shows the sash in another ventilation position, Fig. 6 is a top view on the window frame and sash with a detail showing the engagement of a latch with the locking device with the sash in a ventilation position,
Fig. 7 is a sectional view through a second preferred embodiment of the locking device according to the invention, and Fig. 8 is a top view of a third preferred embodiment of the locking device according to the invention.
DETAILED DESCRIPTION
With reference to Figs . 1 to 3 a pivot roof window according to the invention is an openable window with a window frame 2 and an openable sash 1. It is understood that the invention can be equally applied also to bottom hung windows in a substantially vertical facade.
The sash structure is pivotally journalled in the frame structure with an axis of rotation parallel with the top and bottom members by means of pivotal hinges 3 , known per se, between the frame 2 and sash 1.
Preferably, the frame and sash structures are for the major part built up by wood, although it is also possible to use metal or plastic. The sash 1 carries a window pane 15.
In a closed position, the sash 1 is oriented substantially parallel with the window frame 2. In the closed position a locking mechanism (not shown) engages a recess 16 in the window frame to lock the window. The locking mechanism is operated by a handle 4. Such locking mechanisms are well known in the art and are therefore not shown in detail here.
A ventilation position of the sash 1 at which it forms an acute angle with the window frame 2 is shown in broken lines in Fig. 1. Opening the sash 1 further is prevented by a locking device 5 which is described in more detail below.
As best shown in Figs . 2 and 3 , the locking device 5 comprises a metal or plastic bushing 7 provided with a closed bottom and an annular rim 12 at its open end. The bushing is to mounted in a bore in frame 2.
A metal or plastic cylindrical locking member 8 is slidably received in the bushing 7. A spring 9, arranged between the bottom of the bushing 7 and the inner end of the locking member 8 urges the locking member 8 to an extended position, in which it obstructs the sash 1. The locking member is provided with a bore 15 in which the latch 6 can be received when the locking member 8 is in a retracted position.
A radially outwardly protruding pin 10 is fixed to the locking member 8. The pin extends into an L-shaped groove 11 arranged in the bushing 7. In the retracted position the pin 10 is located at the end of the tangentially extending arm lib of the L-shape groove 11, thus retaining the locking member 8 in the retracted position.
In the extended position the pin 10 is located in the axially extending arm 11a of the L-shaped groove 11, and thus prevents the locking member 8 from being ejected from the bushing 7, as shown by the broken lines in Fig. 3.
The locking member 8 can be moved from the retracted position to the extended position by turning the locking member 8 anti-clockwise and releasing it. The locking member 8 can be moved from the extended position by pressing it into the bushing 7 and turning it clockwise .
As best shown in Fig. 4, the locking member 8 is at its axial periphery provided with a serrated or grooved surface for improving frictional contact with an operator's fingers.
As the locking member 8 cannot be reached from the outside it offers proper burglar protection.
Relatively broad types of windows may be provided with two locking devices 5, one at each side of the window frame 2, to improve structural stability. As best shown in Figs . 5 and 6 , the sash 1 can also be locked in a ventilation position by engaging the latch 6 with bore 15 in the locking member 7 when the latter is in the retracted position.
With reference to Fig. 7, another preferred embodiment of the locking device is shown. In this embodiment a radially inwardly protruding pin 10 is fixed to the bushing 7. The pin 10 is received in an L-shaped groove 11' provided in the locking member 8. The operation of moving the locking member between the retracted position and the extended position is the same as for the embodiment described above .
With reference to Fig. 8 yet another preferred embodiment of the locking device is shown. An additional tangentially extending arm lie has been added to the L- shaped groove 11, thus forming a U-shaped groove. In the extended position, shown with broken lines in Fig. 8, the pin 10 is located at the end of the arm lie and prevents the locking member from being pushed into the bushing 7. For moving the locking member 8 from the extended position to the retracted position, it is thus required to first turn the locking member 8 anticlockwise, press it into the bushing 7 and then turn it clockwise so that the pin 10 arrives at the end of the tangentially extending arm lib. Arm lie may also extend in the opposite direction so that the L-shaped groove 11 becomes Z-shaped. A U- or Z-shaped groove can also be used when the groove is provided in the locking member 8 as described above .
The locking member may in another preferred embodiment
(not shown) be provided with a key operated locking mechanism, such as a locking cylinder, to lock the locking member in the extended position and eventually also the retracted position.
Although the present invention has been described in detail for purpose of illustration, it is understood that such detail is solely for that purpose, and variations and combinations can be made therein by those skilled in the art without departing from the scope of the appended claims .

Claims

CLAIMS :
1. A locking device (5) for pivot or bottom hung windows, comprising: - a bushing (7) for mounting in a window frame (2),
- an axially movable locking member (8) received in the bushing (7) having an extended active position and a retracted inactive position and being resiliently biased towards the extended position, and - means for retaining the locking member (8) in the retracted position, characterized in that the locking member (8) is provided with an axially opening recess (15) for receiving a latch (6) extending from a sash (1) of the window.
2. A locking device according to claim 1, characterized in that the means for retaining the locking member (8) in the retracted position is key-less.
3. A locking device according to claim 1 or 2, characterized in that the locking member (8) is provided with an radially outwardly extending pin (10) that engages a substantially L-shaped groove (11) in the bushing (7) for retaining the locking member (8) in the retracted position.
4. A locking device according to claim 1 or 2, characterized in that the locking member (8) is provided with an radially outwardly extending pin (10) that engages a substantially U- or Z-shaped groove (11) in the bushing (7) for retaining the locking member (8) in the retracted position and in the extended position.
5. A locking device according to claim 1 or 2 , characterized in that the bushing (8) is provided with a radially inwardly extending pin (10) that engages a substantially L- shaped groove (11') in the locking member (7) for retaining the locking member (7) in the retracted position.
6. A locking device according to claim 1 or 2, characterized in that the bushing (8) is provided with a radially inwardly extending pin (10) that engages a substantially U- or Z-shaped groove (11') in the locking member for retaining the locking member (7) in the retracted position and in the extended position.
7. A pivot or bottom hung window comprising: a window frame (2)
- a sash (1) provided with a latch (6) for locking engagement with the window frame (2) , a bushing (7) mounted in the window frame (2) ,
- an axially movable locking member (8) received in the bushing (7) having an extended active position in which it obstructs the sash (1) and a retracted inactive position in which it does not obstruct the sash (1) , said locking member (8) being resiliently biased towards said extended position, and
- means for retaining the locking member (8) in said retracted position, characterized in that the bushing (8) is mounted in the frame (2) so that it faces the latch (6) when the sash (1) is in an open position, and in that the locking member (8) is provided with an • axially opening recess (15) for receiving the latch (6) .
8. A pivot or bottom hung window according to claim 7, characterized in that said means for retaining the locking member (8) in the retracted position is key-less.
9. A pivot or bottom hung window according to claim 7 or 8, characterized in that said locking member (8) is provided with a radially outwardly extending pin (10) that engages a substantially L-shaped groove (11) in said bushing (7) for retaining said locking member (8) in said retracted position.
10. A pivot or bottom hung window according to claim 7 or 8, characterized in that said locking member (8) is provided with a radially outwardly extending pin (10) that engages a substantially U- or Z-shaped groove (11) in said bushing (7) for retaining said locking member (8) in said retracted position and in said extended position.
11. A pivot or bottom hung window according to claim 7 or 8, characterized in that said bushing (7) is provided with a radially inwardly extending pin (10) that engages a substantially L- shaped groove (11') in said locking member (8) for retaining said locking member (8) in said retracted position.
12. A pivot or bottom hung window according to claim 7 or 8, characterized in that said bushing (7) is provided with a radially inwardly extending pin (10) that engages a substantially U- or Z-shaped groove (11') in said locking member (8) for retaining said locking member (8) in said retracted position and in said extended position.
13. A pivot or bottom hung window according to any of claims 7 to 12, characterized in that said bushing (7) is mounted such that the sash (1) can only be opened to a ventilation position when the locking member (8) is in its active position.
14. A pivot or bottom hung window according to any of claims 7 to 13, characterized in that said bushing (7) is mounted such that the sash (1) can be locked in a ventilation position with the latch engaging the axially opening recess (15) in the locking member (8) .
EP03792303A 2002-08-16 2003-08-12 Window locking device Expired - Lifetime EP1537285B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DKPA200201219 2002-08-16
DK200201219 2002-08-16
PCT/EP2003/008931 WO2004018812A1 (en) 2002-08-16 2003-08-12 Window locking device

Publications (2)

Publication Number Publication Date
EP1537285A1 true EP1537285A1 (en) 2005-06-08
EP1537285B1 EP1537285B1 (en) 2009-07-01

Family

ID=31896774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03792303A Expired - Lifetime EP1537285B1 (en) 2002-08-16 2003-08-12 Window locking device

Country Status (6)

Country Link
EP (1) EP1537285B1 (en)
CN (1) CN100360758C (en)
AT (1) ATE435352T1 (en)
AU (1) AU2003263213A1 (en)
DE (1) DE60328203D1 (en)
WO (1) WO2004018812A1 (en)

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EP3216939A1 (en) * 2012-12-07 2017-09-13 Keystone Lintels Limited A roof window with a locking apparatus
US10526829B2 (en) * 2015-12-03 2020-01-07 Lawrence E Chaffin Lift glide door lock assembly and lift glide window lock assembly

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2674543A1 (en) 2012-06-13 2013-12-18 VKR Holding A/S A roof window structure with a lock, and a lock for such a window
EP2674544A1 (en) 2012-06-13 2013-12-18 VKR Holding A/S An openable window with a lock

Also Published As

Publication number Publication date
WO2004018812A1 (en) 2004-03-04
ATE435352T1 (en) 2009-07-15
CN100360758C (en) 2008-01-09
EP1537285B1 (en) 2009-07-01
DE60328203D1 (en) 2009-08-13
AU2003263213A1 (en) 2004-03-11
CN1675444A (en) 2005-09-28

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