GB2236803A - Fluid press equipment for the emergency opening of building closures - Google Patents
Fluid press equipment for the emergency opening of building closures Download PDFInfo
- Publication number
- GB2236803A GB2236803A GB8922090A GB8922090A GB2236803A GB 2236803 A GB2236803 A GB 2236803A GB 8922090 A GB8922090 A GB 8922090A GB 8922090 A GB8922090 A GB 8922090A GB 2236803 A GB2236803 A GB 2236803A
- Authority
- GB
- United Kingdom
- Prior art keywords
- press
- arrangement
- junction member
- clamping
- equipment
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B3/00—Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screens; Portable devices for preventing smoke penetrating into distinct parts of buildings
- A62B3/005—Rescue tools with forcing action
Abstract
Fluid press equipment for the emergency opening of building closures is readily portable, in a disassembled state, and is readily assembled. A clamping press 18, 19 is either directly, or indirectly, detachably connected to a junction member 20. A forcing press 10, extending at right angles to the clamping press, and to the closure 14, is detach ably secured to the junction member 20. Extension members 33 may be included in the arrangement to span the closure opening. The junction member 20 may abut against a masonry surface, or there may be an extension member 50 connected to the junction member remote from the clamping press. <IMAGE>
Description
Fluid press equipment for the emergency opening of building closures
This invention relates to fluid press equipment for the emergency opening of building closures such as doors, windows and grills. In such equipment a forcing fluid press is required to be secured indirectly to the masonry or brickwork surrounding a building closure, to extend at least substantially at right angles to the closure, and to act indirectly between the masonry or brickwork, and the closure. Thus, the closure is forced open, either by bursting locks and/or other fastenings; or by detaching hinges and/or other supports for the closure.
For convenience, hereinafter this specification and the accompanying claims, reference is made only to a building closure being surrounded by masonry. It will be understood that each such statement also includes a reference to brickwork.
In order to be suitable for use in an emergency, the fluid press equipment is required to be readily, and rigidly secured indirectly to the masonry surrounding a building closure. It is known for the equipment to include a second, clamping fluid press, to be clamped between opposing surfaces of the masonry adjacent to, and extending beyond, the closure. The clamping press extends at least substantially parallel to the closure, and secures the equipment to the masonry, in particular, the claiiiping press supporting the forcing press. The present invention relates especially to such a construction for the fluid press equipment. In one known such equipment construction the forcing press and the clamping press are rigidly secured together, with the two presses extending at right angles to each other.However, because the clamping press and the forcing press are rigidly secured together the equipment is not readily portable.
It is an object of the present invention to provide a novel and advantageous construction for fluid press equipment for the emergency opening of building closures, which equipment is adapted to be portable readily, in a disassembled state, and is adapted to be assembled readily.
In order to be of especial use in emegencies it is required that the equipment is adapted so that the clamping press is capable of acting between pairs of opposing masonry surfaces each separated by a distance within a wide range of possible distances. In particular, it is desired that the range of possible distances within which the clamping fluid press is capable of acting has an upper portion of distances each greater than conveniently can be spanned alone by a clamping fluid press suitable for the known construction of equipment referred to above.
Hence, it is a further object of the present invention to provide a novel and advantageous construction for fluid press equipment for the emergency opening of building closures, which equipment is adapted to be clamped, by the action of a clamping fluid press thereof, between pairs of opposing masonry surfaces each separated by a distance within a wide range of possible distances, the range having an upper portion of distances each greater than conveniently can be spanned alone by a clamping fluid press particularly adapted for the equipment.
According to the present invention fluid press equipment for the emergency opening of building closures includes a forcing fluid press, the cylinder of the forcing press is secured to a junction member, and the ram of the forcing press is displaceable to abut against, and to extend at least substantially at right angles to, the closure to be opened, and the equipment also includes an arrangement having a clamping fluid press and at least the junction member, the arrangement extending coaxially with its constituent clamping press, to be at least substantially parallel to the closure, and to extend, to be clamped, in a direction between an associated opposing pair of masonry surfaces to provide an anchorage for the equipment, the length of the arrangement in this direction being such that the distance separating the associated opposing pair of masonry surfaces is capable of being spanned by the arrangement, and within the arrangement, the junction member is at least capable of being detachably connected to the clamping press.
If, in accordance with one embodiment of the present invention, the junction member is directly detachably connected to the clamping press, the equipment is advantageous, because it is rendered readily portable, in a disassembled state, and is readily assembled.
If, in accordance with another embodiment of the present invention, there is inserted at least one extension member of the arrangement between the clamping press and the junction member, in addition to being readily portable, and assembled, the equipment has a flexible construction.
Because, within the equipment, the junction member is capable of being detachably connected to the clamping press, inevitably, each connection between an adjacent pair of extension members, if provided, and the connections between the junction member, and the clamping press, and at least one provided extension member, have the same detachable form as that possible directly between the junction member and the clamping press.
Thus, when the associated opposing pair of masonry surfaces are separated by a distance greater than the upper extremity of the range of possible distances capable of being spanned by the combination of the junction member and the clamping press, there may be provided readily within the arrangement at least one extension member, and the, or each, extension member is detachably connected to each adjacent part of the arrangement. In this way the length of the arrangement in the direction coaxial with the clamping press readily may be such that the distance separating the associated opposing pair of masonry surfaces is capable of being spanned by the arrangement, and the arrangement is capable of providing the required clamping action between the associated opposing pair of masonry surfaces.
The cylinder of the forcing press may be detachably secured to the junction member, for example, by being provided with a screw thread to co-operate with a screw thread provided within a bore through the junction member, the ram of the forcing press protruding from the bore.
Thus, there is a contribution towards an advantageous construction for the equipment, whereby it is rendered readily portable, in a disassembled state, and is readily assembled.
Advantageously, in one form of equipment in accordance with the present invention, the junction member has a further function in that it is provided with a face to abut against one of the associated opposing pair of masonry surfaces.
In another form of equipment in accordance with the present invention, within the arrangement, the junction member is spaced from both axial extremities of the arrangement, there being at least one extension member between the junction member and the extremity remote from the clamping press, each connection between an adjacent pair of such extension members, if provided, and the connection between the junction member and such an extension member, has the same detachable form as that possible directly between the junction member and the clamping press.
For any construction of the equipment referred to above, in addition to providing readily portable and assembled equipment, the flexibility of the equipment construction is enhanced by enabling the location of the junction member, and hence also of the ram of the forcing press, to be opposite to a selected point of the closure, to facilitate the opening of the closure by action of the forcing press.
Conveniently, between the clamping press and the extremity of the arrangement remote from the clamping press, the, or each, connection between an adjacent pair of constituent parts of the arrangement is provided by the parts being detachably secured together, for example, by being screwed together; or, advantageously, the parts are detachably operably coupled together, for example, by being a push fit with each other, possibly, one of the parts being formed with a boss, in which boss the other part is a push fit.
The nature of the connections between the constituent parts of the arrangement is required to be such that, when the clamping action between the associated opposing pair of masonry surfaces, and provided by the arrangement, is effected, the arrangement is rigid in the direction coaxial with the clamping press.
A particularly flexible form for the junction member is that of a cubic body, the forcing press to be secured within a bore extending through the body, and between opposing faces of the body, three of the other faces of the body are adapted to be at least capable of being detachably connected to the clamping press, and the remaining face is adapted to abut against one of the associated opposing pair of masonry surfaces.
The present invention will now be described by way of example with reference to the accompanying drawings, in which
Figure 1 shows one embodiment of fluid press equipment for the emergency opening of building closures, the illustrated embodiment being in accordance with the present invention, and
Figure 2 shows a modification of the equipment of Figure 1, also in accordance with the present invention, and comprising all of the constituent parts of the equipment of Figure 1, together with at least one additional part.
The embodiment of fluid press equipment for the emergency opening of building closures, and shown in Figure 1, comprises a forcing fluid press indicated generally at 10, including a cylinder 11 and a ram (not shown). The forcing press 10 extends at least substantially at right angles to a door, indicated generally at 14, with the ram abutting against the door.
The forcing press 10 is supported by an arrangement within the equipment, and indicated generally at 16. The arrangement 16 includes a clamping fluid press indicated generally at 17, and extends coaxially with the constitutent clamping press. The clamping press 17 has a cylinder 18 and a ram 19.
Also included in the arrangement 16 is a junction member 20. The junction member 20 has a generally cubic body 21, with a bore (not shown) extending therethrough between opposing body faces. The cylinder 11 of the forcing press 10 is detachably secured to the junction member 20 by a screw thread formed on the cylinder co-operating with a screw thread formed in the bore. The ram of the forcing press 10 extends from the bore in the junction member.
Three of the four other faces of the cubic body 21 of the junction member 20 each are provided with a cylindrical boss 22, each of the identical bosses having an axis of symmetry at right angles to the associated face of the cubic body. The remaining face of the cubic body 21 is adapted to abut against a masonry surface, as described below. Assuming initially, and not as illustrated, that the arrangement 16 comprises only the clamping press 17 and the junction member 20 connected together, within one embodiment in accordance with the present invention, the clamping press is directly detachably connected to the junction member. In particular, the ram 19 of the clamping press 17 is a push fit in the cylindrical boss 22 opposite to the masonry abutting face of the cubic body 21 of the junction member 20.Thus, in addition to the forcing press 10 being detachably secured to the junction member 20, because the clamping press 17 is also detachably connected to the junction member, the equipment is advantageous in that it is readily portable, in a disassembled state, and is readily assembled.
The arrangement 16 including the clamping press 18 is clamped to extend horizontally between an opposing pair of surfaces 30 of the masonry surrounding the door 14, these surfaces extending at right angles to the door. The arrangement 16 extends at least substantially parallel to the door 14. By operation of the clamping press 18 the arrangement 16 effects a clamping action between the opposing pair of masonry surfaces 30.
In order to ensure that the equipment is anchored by this clamping action, the end of the clamping press 17 remote from the junction member is provided with a boss 31, and a foot 32 is adapted to be a press fit in this boss, the foot to be contiguous with the one of the masonry surfaces 30. The other of the pair of opposing masonry surfaces 30 is to be contiguous with the appropriate face of the cubic body 21 of the junction member 20, and referred to above.
At least the foot 32 is adapted to bite into the masonry because of the clamping action.
In opening the door 14, the forcing press 10 is operated, and acts indirectly between the door 14 and the anchorage provided by the arrangement 16 with the masonry. Thereby, locks and/or other door fastenings (not shown) are burst; or hinges and/or other door supports (not shown) are detached from the anchorages therefor. The location of the arrangement 16, and hence, the location of the junction member 20 and the forcing press 10 opposite to the door 14, is selected so that the opening of the door by the forcing press is facilitated.
For the opposing pair of masonry surfaces 30 shown in
Figure 1, the combination of the clamping press 17 and the junction member 20 of the arrangement 16 has a maximum possible length considerably less than the distance between the opposing pair of masonry surfaces. Thus, an extension member 33 also is included in the arrangement 16, and the maximum and minimum possible lengths of the arrangement with this additional part are such that the required clamping action between the illustrated opposing pair of masonry surfaces 30 is effected.
Inevitably, because the construction of the equipment is flexible, it being possible to include the extension member 33 in the arrangement 16, or not, the detachable connection between the ram 19 of the clamping press 17 and one end 34 of the extension member 33, and the detachable connection between the other end (not shown) of the extension member 33 and the appropriate boss 22 of the junction member 20, is the same push fit as is capable of being provided directly between the ram and the junction member. Hence, said one end 34 of the extension member 33 is provided with the same shape as each of the bosses 22 of the junction member 20; and said other end of the extension member 33 is adapted to be a push fit within such a boss.In addition to being flexible, the equipment construction is also advantageous by being readily portable in a disassembled state, and by being readily assembled.
The fluid press equipment is operated by hydraulic pressure being applied to the forcing press 10, and to the clamping press 17, via a manifold 40, and from a hand pump 42. The manifold 40 has two valves, one valve 43 controlling the flow of the hydraulic fluid to a line 44, and hence to the inlet 45 of the clamping press 17; and the other valve 46 controlling the flow of the hydraulic fluid to a line 47, and hence to the inlet 48 of the forcing press 10. Between the hand pump 42 and the manifold 40 is a line 49. During the clamping operation the valve 43 is open and the valve 46 is closed.
Subsequently, during the forcing operation on the door 14 the valve 43 is closed, and the valve 46 is open.
The embodiment of fluid press equipment shown in Figure 2 is a modification of the equipment shown in Figure 1, and constituent parts of the equipment of Figure 2 identical with, or closely resembling, constituent parts of the equipment of Figure 1 are identified by the same reference numerals in both Figures.
.; particular the embodiment of Figure 2 is constructed from the same constituent parts as the embodiment of
Figure 1, together with an additional extension member 50, in an extended arrangement 51 including the clamping press 17, indicating the flexibility in construction of both embodiments. The additional extension member 50 differs from the extension member 33 only in length.
The embodiment of Figure 2 differs from the embodiment of
Figure 1 in that the cubic body 21 of the junction member 20 does not abut against a masonry surface 30, and the extension member 33 is a push fit in one of the two cylindrical bosses 22 of the junction member which are not opposite to this face of the cubic body adapted to abut against a masonry surface. Further, the additional extension member 50 has an end (not shown ) which is a push fit in the other of the two bosses 22 on a face of the junction member 20 not opposite to the face adapted to abut against a masonry surface.
The end of the additonal extension member 50 remote from the junction member 20 is provided with a boss 52 identical with each other boss included in the arrangement 51. A foot 54 is adapted to be a press fit in the boss 52.
Hence, in order to ensure that the equipment is anchored, both extremities of the arrangement 16 are provided with the feet 32 and 54, secured to the adjacent constituent part of the arrangement 51. These feet 32 and 54 are adapted to bite into the masonry because of the clamping action of the arrangement 51 between the opposing pair of masonry surfaces 30.
The manner of operation of the equipment of Figure 2 is identical to that of the equipment of Figure 1.
The arrangement 51 is shown as extending vertically. The choice of the direction of extending for an arrangement depends on the convenience of providing a suitable arrangement to span the distance between the opposing pair of masonry surfaces 30, and/or upon the location of the point of the door 14 selected for the application thereto of the pressure applied by the forcing press 10 in opening the door.
The choice whether to have the junction member 20 abut against a mansonry surface 30, as shown in Figure 1; or whether to have the junction member intermediate between the extremities of the arrangement including the clamping press 17, as shown in Figure 2; also depends on the convenience of providing a suitable arrangement, and/or upon the location of the point of the door 14 selected for the application of pressure thereto.
For consideration in the making of any such choice are the lengths, and the number, of the extension members available for inclusion in the equipment. It may be convenient to have more than one extension member between the clamping press 17 and the junction member 20; and/or between the junction member and the extremity of the arrangement remote from the clamping press. Inherently, the connection between each adjacent pair of extension members has the same detachable form as that capable of being provided directly between the junction member and the clamping press.
The detachable connections between adjacent pairs of constituent parts of the arrangement including the clamping press may have any convenient form. Possibly such connections do not comprise detachable operable couplings, but the adjacent pairs of parts may be detachably secured together, for example, by being screwed together. However, the nature of these connections is required to be such that, when the clamping action is provided between the opposing pair of masonry surfaces, the arrangement is rigid in the direction co-axial with the clamping press.
Hence, the equipment in accordance with the present invention is especially flexible in construction; in addition to being readily portable in a dissembled state, and being readily assembled.
Further, the required clamping action may be provided between opposing pairs of masonry surfaces separated by one of a wide range of possible distances, possibly such a distance being considerably greater than is capable of being spanned by the combination of the clamping press and junction member alone.
It is essential only that the forcing press 10 is secured to the junction member 20, in any convenient way, so as to act directly between the door 14 and the junction member.
However, in order that the equipment may be more readily portable, and more readily assembled, than otherwise would be the case, the forcing press 10 is detachably secured to the junction member 20, for example, by the screw-threaded fastening therebetween as described above.
The junction member may have any convenient shape.
The manner of operating the fluid press equipment may be other than as described above, and the hand pump and the manifold combination shown in the Figures may be replaced by any convenient source of hydraulic pressure, operably connected to the forcing press and the clamping press.
Any 3rm of fluid pressure may be employed.
Claims (6)
1. Fluid press equipment for the emergency opening of
building closures includes a forcing fluid press, the
cylinder of the forcing press is secured to a junction
member, and the ram of the forcing press is
displaceable to abut against, and to extend at least
substantially at right angles to, the closure to be
opened, and the equipment also includes an arrangement
having a clamping fluid press and at least the
junction member, the arrangement extending co-axially
with its constituent clamping press, to be at least
substantially parallel to the closure, and to extend,
to be clamped, in a direction between an associated
opposing pair of masonry surfaces to provide an
anchorage for the equipment, the length of the
arrangement in this direction being such that the
distance separating the associated opposing pair of
masonry surfaces is capable of being spanned by the
arrangement, and within the arrangement, the junction
member is at least capable of being detachably
connected to the clamping press.
2. Equipment according to claim 1, in which, when the
associated opposing pair of masonry surfaces are
separated by a distance greater than the upper
extremity of the range of possible distances capable
of being spanned by the combination of the junction
member and the clamping press, there is provided
readily within the arrangement, between the junction
member and the clamping press, at least one extension
member, and the connections between the junction
member, and the clamping press, and at least one such
extension member, have the same detachable form as
that possible directly between the junction member and
the clamping press.
3. Equipment according to claim 1, or claim 2 in which
the junction member is provided with a face to abut
against one of the associated opposing pair of masonry
surfaces.
4. Equipment according to claim 2, in which, within the
arrangement, the junction member is spaced from both
axial extremities of the arrangement, there being at
least one extension member between the junction member
and the extremity remote from the clamping press, the
connection between the junction member and such an
extension member, has the same detachable form as that
possible directly between the junction member and the
clamping press.
5. Equipment according to any one of the preceding
claims, in which, within the arrangement, between the
clamping press and the extremity of the arrangement
remote from the clamping press, the, or each,
connection between an adjacent pair of constituent
parts of the arrangement is provided by the parts
being detachably operably coupled together.
6. Fluid press equipment for the emergency opening of
building closures substantially as described herein
with reference to either Figure 1, or Figure 2, of the
accompanying drawings.
6. Equipment according to claim 5, in which the, or each,
such detachable operable coupling between an adjacent
pair of constituent parts of the arrangement is
provided by the parts being a push fit with each
other.
7. Equipment according to claim 6, having the, or each,
detachable operable coupling provided by one of an
adjacent pair of constituent parts of the arrangement
formed with a boss, in which boss the other of the
pair of parts is a push fit.
8. Equipment according to any one of the preceding
claims, in which the junction member has a cubic body,
the forcing press to be secured within a bore
extending through the body, and between opposing faces
of the body, three of the other faces of the body are
adapted to be at least capable of being detachably
connected to the clamping press, and the remaining
face is adapted to abut against one of the associated
opposing pair of masonry surfaces.
9. Fluid press equipment for the emergency opening of
building closures substantially as described herein
with reference to either Figure 1, or Figure 2, of the
accompanying drawings.
Amendments to the claims have been filed as follows 1. Fluid press equipment for the emergency opening of
building closures includes a forcing fluid press, the
cylinder of the forcing press is secured to a junction
member, and the ram of the forcing press is
displaceable to abut against, and to extend at least
substantially at right angles to, the closure to be
opened, and the equipment also includes an arrangement
having a clamping fluid press and at least the
junction member, the arrangement extending co-axially
with its constituent clamping press, to be at least
substantially parallel to the closure, and to extend,
to be clamped, in a direction between an associated
opposing pair of masonry surfaces to provide an
anchorage for the equipment, the length of the
arrangement in this direction being such that the
distance separating the associated opposing pair of
masonry surfaces is capable of being spanned by the
arrangement, and within the arrangement, each member
is at least capable of being detachably connected to
the clamping press, and the clamping press and the
other provided members are detachably operably coupled
together.
2. Equipment according to claim 1, in which, when the
associated opposing pair of masonry surfaces are
separated by a distance greater than the upper
extremity of the range of possible distances capable
of being spanned by the combination of the junction
member and the clamping press, there is provided
within the arrangement at least one extension member.
3. Equipment according to claim 1, or claim 2, in which
the, or each, such detachable connection between at
least some of the adjacent pairs of constituent parts
of the arrangement is provided by the parts being a
push fit with each other.
4. Equipment according to claim 3, having the, or each,
detachable connection between at least some of the
adjacent pairs of constituent parts of the arrangement
provided by one of the parts formed with a boss, in
which boss the other of the adjacent pair of parts is
a push fit.
5. Equipment according to any one of the preceding
claims, with the forcing press detachably secured
within a bore extending through the body of the
junction member, and between opposing faces of the
body, and the body is adapted to be at least capable
of being detachably connected to the clamping press
when the damping press is extending in any one of the
three of four orthogonal directions in a plane at
right angles to the direction in which the forcing
press extends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8922090A GB2236803B (en) | 1989-09-30 | 1989-09-30 | Fluid press equipment for the emergency opening of building closures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8922090A GB2236803B (en) | 1989-09-30 | 1989-09-30 | Fluid press equipment for the emergency opening of building closures |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8922090D0 GB8922090D0 (en) | 1989-11-15 |
| GB2236803A true GB2236803A (en) | 1991-04-17 |
| GB2236803B GB2236803B (en) | 1993-06-30 |
Family
ID=10663869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8922090A Expired - Fee Related GB2236803B (en) | 1989-09-30 | 1989-09-30 | Fluid press equipment for the emergency opening of building closures |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2236803B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002096517A1 (en) * | 2001-06-01 | 2002-12-05 | Libervit | Device for exerting pressure on a door or any other vertical planar surface |
| FR2850287A1 (en) * | 2003-01-29 | 2004-07-30 | Bernard Jacquinot | Remote control door opening device comprises frame, extensible by actuators, inserted between doorframe and door, opening obtained by impact actuator with contact plate and activated by air bottle |
| FR2944709A1 (en) * | 2009-04-28 | 2010-10-29 | Libervit | DEVICE FOR OPENING A PUSHED DOOR. |
| FR2983736A1 (en) * | 2011-12-12 | 2013-06-14 | Libervit | Device for use by e.g. fire brigade, for opening metal covered door of e.g. home, has cylinder cooperating with base, so that front end of rod is hingedly fixed to intermediate sole on side of upper support bar and moved in direction |
| WO2020016500A1 (en) * | 2018-07-17 | 2020-01-23 | Libervit | Detachable thrust device for opening a door |
| FR3119547A1 (en) | 2021-02-05 | 2022-08-12 | Jean-Michel Gerard | DEVICE FOR OPENING DOORS, WINDOWS AND OTHER OPENING FORCES |
| FR3119548A1 (en) | 2021-02-05 | 2022-08-12 | Jean-Michel Gerard | DEVICE FOR OPENING DOORS, WINDOWS AND OTHER OPENINGS BY FORCE |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2189544A (en) * | 1986-04-26 | 1987-10-28 | Stafford Hill Arms Company Lim | Fluid-operated door forcer |
| EP0271207A1 (en) * | 1986-11-07 | 1988-06-15 | Mordechai Yirmiyahu | Device for force opening doors |
-
1989
- 1989-09-30 GB GB8922090A patent/GB2236803B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2189544A (en) * | 1986-04-26 | 1987-10-28 | Stafford Hill Arms Company Lim | Fluid-operated door forcer |
| EP0271207A1 (en) * | 1986-11-07 | 1988-06-15 | Mordechai Yirmiyahu | Device for force opening doors |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002096517A1 (en) * | 2001-06-01 | 2002-12-05 | Libervit | Device for exerting pressure on a door or any other vertical planar surface |
| FR2825354A1 (en) * | 2001-06-01 | 2002-12-06 | Libervit | DEVICE FOR EXERCISING A PUSH ON A DOOR OR ANY OTHER VERTICAL PLANAR SURFACE |
| US6916013B2 (en) | 2001-06-01 | 2005-07-12 | Libervit | Device for exerting pressure on a door or on any other vertical planar surface |
| FR2850287A1 (en) * | 2003-01-29 | 2004-07-30 | Bernard Jacquinot | Remote control door opening device comprises frame, extensible by actuators, inserted between doorframe and door, opening obtained by impact actuator with contact plate and activated by air bottle |
| WO2004069340A1 (en) * | 2003-01-29 | 2004-08-19 | Bernard Jacquinot | Device for opening doors, windows and other types of openings by means of force with remote control |
| US7334775B2 (en) | 2003-01-29 | 2008-02-26 | Bernard Jacquinot | Device for opening, by means of force, doors, windows and other types of openings, with a remote control |
| CN102421484A (en) * | 2009-04-28 | 2012-04-18 | 利贝维特公司 | Device for opening a pull door by applying a pressure |
| WO2010125263A1 (en) * | 2009-04-28 | 2010-11-04 | Libervit | Device for opening a pull door by applying a pressure |
| FR2944709A1 (en) * | 2009-04-28 | 2010-10-29 | Libervit | DEVICE FOR OPENING A PUSHED DOOR. |
| CN102421484B (en) * | 2009-04-28 | 2013-11-20 | 利贝维特公司 | Device for opening a pull door by applying a pressure |
| US8746659B2 (en) | 2009-04-28 | 2014-06-10 | Libervit | Device for opening a pull door by applying a pressure |
| FR2983736A1 (en) * | 2011-12-12 | 2013-06-14 | Libervit | Device for use by e.g. fire brigade, for opening metal covered door of e.g. home, has cylinder cooperating with base, so that front end of rod is hingedly fixed to intermediate sole on side of upper support bar and moved in direction |
| WO2020016500A1 (en) * | 2018-07-17 | 2020-01-23 | Libervit | Detachable thrust device for opening a door |
| FR3083986A1 (en) * | 2018-07-17 | 2020-01-24 | Libervit | REMOVABLE THRUST DEVICE FOR OPENING A DOOR |
| US11745032B2 (en) | 2018-07-17 | 2023-09-05 | Libervit | Detachable thrust device for opening a door |
| FR3119547A1 (en) | 2021-02-05 | 2022-08-12 | Jean-Michel Gerard | DEVICE FOR OPENING DOORS, WINDOWS AND OTHER OPENING FORCES |
| FR3119548A1 (en) | 2021-02-05 | 2022-08-12 | Jean-Michel Gerard | DEVICE FOR OPENING DOORS, WINDOWS AND OTHER OPENINGS BY FORCE |
Also Published As
| Publication number | Publication date |
|---|---|
| GB8922090D0 (en) | 1989-11-15 |
| GB2236803B (en) | 1993-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930930 |