EP0957222A1 - Öffnungsvorrichtung für Notausgänge - Google Patents

Öffnungsvorrichtung für Notausgänge Download PDF

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Publication number
EP0957222A1
EP0957222A1 EP98830285A EP98830285A EP0957222A1 EP 0957222 A1 EP0957222 A1 EP 0957222A1 EP 98830285 A EP98830285 A EP 98830285A EP 98830285 A EP98830285 A EP 98830285A EP 0957222 A1 EP0957222 A1 EP 0957222A1
Authority
EP
European Patent Office
Prior art keywords
plate
control means
opening
stop element
operating condition
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
EP98830285A
Other languages
English (en)
French (fr)
Other versions
EP0957222B1 (de
Inventor
Renato Paparazzo
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.)
Idealstrutture Security Systems Di Renato Paparazzo & C SNC
Original Assignee
Idealstrutture Security Systems Di Renato Paparazzo & C SNC
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 Idealstrutture Security Systems Di Renato Paparazzo & C SNC filed Critical Idealstrutture Security Systems Di Renato Paparazzo & C SNC
Priority to AT98830285T priority Critical patent/ATE208001T1/de
Priority to EP98830285A priority patent/EP0957222B1/de
Priority to DE69802261T priority patent/DE69802261D1/de
Publication of EP0957222A1 publication Critical patent/EP0957222A1/de
Application granted granted Critical
Publication of EP0957222B1 publication Critical patent/EP0957222B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/0065—Operating modes; Transformable to different operating modes
    • E05B63/0069—Override systems, e.g. allowing opening from inside without the key, even when locked from outside
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/10—Locks or fastenings for special use for panic or emergency doors
    • E05B65/1046—Panic bars
    • E05B65/106—Panic bars pivoting
    • E05B65/1066—Panic bars pivoting the pivot axis being substantially parallel to the longitudinal axis of the bar

Definitions

  • the present invention relates to an emergency opening device.
  • inventive device can be used on doors, main gates and the like requiring a safety closure simultaneously with a panic bolt or bar for emergency opening.
  • a panic bolt generally in the form of a bar which is disposed horizontally and extends over most of the door length.
  • This device appears to be very advantageous under emergency conditions, in that it enables a quick and clearly easy opening of the door outwardly.
  • Normal emergency doors are usually also provided with a lock by which locking of the door by a key can be obtained. Once this locking has been carried out, it is no longer possible to carry out opening of the door, either by means of the handle or by means of the emergency device. In fact, this lock is capable of activating a latch quite independent of the handle and the panic bar.
  • a keylock can directly intervene on the tab and inhibit movement of same.
  • the Applicant has already in the past developed a safety lock for doors, provided with a normal lock and emergency handle, in which, by effect of the handle movement towards the door, release of the keylock and sliding of the latch and the tab is simultaneously obtained and, as a result, opening of the door.
  • This lock comprises a main plate which can carry out a translation movement relative to the support frame of the door.
  • the main plate is provided, at one end thereof, with latches to be engaged into respective cavities of the door casing to cause door closure.
  • a handle engaged by a fork thereof with a pin projecting from the main plate is capable of causing a translation of the main plate, by its own rotation.
  • Plate translation depending on its direction, involves either engagement or disengagement of the latches from the door casing.
  • a keylock capable of operating a stop element, allows or inhibits displacement of the main plate.
  • the stop element abuts against a respective projection integral with the main plate preventing it from sliding relative to the frame. In this way the handle too, made integral with the plate by the fork and pin, is locked.
  • Movement of the emergency bar or handle not only causes displacement of the main plate, but also exerts a thrust thereon which is capable of bringing it to a condition in which disengagement of the latches from the door casing occurs.
  • Latches under closure condition are inserted into corresponding mating seats of the door casings and consequently can only translate parallelly of the support frame. As a result of this, it is necessary to carry out disengagement of the latches from the main plate, thus weakening the safety closure, due to such sliding connection.
  • the present invention aims at substantially obviating the mentioned drawbacks.
  • an emergency opening device to be in particular mounted on doors, main gates and the like, has been generally identified by reference numeral 1.
  • the device is provided with a support frame 2 which is applicable to a support structure of a door in such a manner that, on a side thereof turned towards the inside of the environment, it has a safety handle (or panic bar) and an opening handle 3.
  • a safety handle or panic bar
  • Control means 4 is associated with the support bar and this means is movable between a first work position in which it enables a possible tab and/or latches 5 to be retracted, thereby allowing opening of the door (this situation being shown in Fig. 1) and at least one second work position in which it inhibits this opening (situation shown in Fig. 2).
  • control means 4 consists of a handle 3 which is mounted on frame 2 in such a manner that it is movable in rotation about a pivot axis.
  • This handle 3 carries a substantially U-shaped fork element 6 which is integral with a portion of said handle that, under assembling conditions of the lock, is located inside the door structure.
  • the control means 4 further comprises a main plate 7 susceptible of a reciprocating translation motion (arrow 17) in a sliding plane parallel to the base of the support frame 2.
  • Plate 7 integrally carries a given number of locking elements or latches 5, which are movable integrally with said plate between the first work position in which they enable opening of the door and the second work position in which they inhibit opening.
  • the main plate 7 is also provided with a pin 8 transversely emerging relative to the sliding plane and intended for being engaged into a seat 9 defined by the fork element 6.
  • a partial rotation of handle 3 results in a partial rotation of fork 6 causing a corresponding thrust on pin 8 capable of making the main plate 7 translate.
  • latches 5 are in an engagement condition with the door casing (first work position of the control means).
  • a rotation in a clockwise direction of handle 3 and of a predetermined amount involves a translation of plate 7 in a direction adapted to cause disengagement of latches 5 from the casing (second work position of the control means; see Fig. 1).
  • the lock has closure means 10 also associated with frame 2 and movable between a first operating condition in which it enables movement of the control means 4 and at least one second operating condition in which it inhibits at least movement between the second and first work positions of the control means 4.
  • the closure means 10 comprises an activation block 11, to be operated by a key for example, capable of actuating a kinematic mechanism for movement transfer 12 which acts on a stop element 13.
  • the stop element operates at least partly in a superposed relationship with the main plate 7 and is defined by a metal strip slidable on two supports present at its ends and integral with the support frame 2.
  • the stop element 13 can also move away from the support frame 2 under the action of a thrust in such a direction.
  • the pins of frame 2 guiding sliding of strip 13 are equipped with a prestressed spring element 38 generating a force directed towards frame 2.
  • the stop element 13 is susceptible of translation upon the action of the activation block 11 and the kinematic transfer mechanism 12 between said first operating condition, in which it enables movement of the control means 4, and the second operating condition in which it inhibits it.
  • handle 3 of the control means 4 is provided with a projection 14, whereas the stop element 13 has a respective recess 15 adapted to enable movement of the handle projection 14 when the closure means 10 is in its first operating condition.
  • projection 14 and recess 15 of the stop element 13 are disposed in side by side relationship and a movement of handle 3 followed, as a result, by movement of projection 14, does not give rise to interferences with strip 13 (Fig. 1).
  • This work condition of the door can be obtained by locking the same by a key.
  • the device for emergency opening of doors further comprises safety opening means 18 mounted on frame 2 as well and active on the control means 4 in order to cause displacement thereof from the second to the first work conditions.
  • the safety means 18 is capable of enabling displacement of the control means 4 both when the closure means 10 is in the first operating condition, and as a result the door is released, and when this means is in the second operating condition corresponding to a keyed lock.
  • the safety means 18 is active on the stop element 13 in order to cause displacement thereof from the first operating condition to a third operating condition or, alternatively, from the second operating condition to the third operating condition.
  • the closure means 10 is deactivated thereby enabling movement of latches 5.
  • Displacement between the two first operating conditions takes place in one and the same operating plane, whereas passage to the third operating condition involves a displacement of strip 13 in a transverse direction, generally perpendicularly of the plane itself.
  • the safety means 18 is provided with an actuating element 19 which is movable between a rest position and a work position in which it simultaneously causes movement of the stop element 13 towards the third operating condition and movement of the control means 4 from the second to the first work conditions.
  • This actuating element 19 is hinged on the support frame 2 and comprises a safety handle, defined by a pressure bar for example, which is disposed substantially horizontal and external to the door structure.
  • the outer bar is rigidly connected to at least one further bar 20 internal of the door support structure and having an axis parallel to the hinging axis.
  • This bar 20 internal to the door structure is movable with a substantially rotatory motion about the hinging axis.
  • the safety means 18 further comprises a kinematic intermediate-control mechanism 21 capable of transmitting displacement of the actuating element 19 to a pusher assembly 22 which is directly active on the stop element 13, as well as on the control means 4.
  • the kinematic intermediate-control mechanism 21 consists of at least one, and preferably two, oscillating elements 37 which are substantially identical and are disposed at the ends 20a of the actuating-element bar 20.
  • the oscillating elements 37 have a rest surface 23 adapted to receive forces transmitted by the actuating element 19, are substantially L-shaped elements and are hinged on the support frame 2 around an axis perpendicular to the "L" itself and passing through the meeting vertex of sides 37a.
  • the actuating element 19 acts on surface 23 and more specifically at a first end 37b of one side of said "L"; on the contrary, hinged on the end 37a of the other side is an oscillating bar 24.
  • Elements 37 receive movement from the actuating element 19 along a first direction (substantially perpendicular to the door plane) and, instant by instant, transfer this movement to bar 24 in a transverse direction (substantially parallel to the actuating bar).
  • the oscillating bar 24 has, at a first end thereof, a first hinging point on one of the L-shaped elements 37 and, on a second end thereof, a second hinging point at the second L-shaped element.
  • the plate-like element 26 is in engagement with the support frame 2 by means of guides enabling a translation thereof in a plane corresponding to the translation plane (or work plane) of the main plate 7 in substantially parallel directions.
  • Movement of the oscillating bar 24 is converted into a corresponding translation of the plate-like element 26.
  • the kinematic intermediate-control mechanism 21 converts the substantially rotatory motion of the actuating element 19 into a substantially translational motion imparted to the plate-like element 26.
  • the admitted displacement as regards the actuating element 19 is a rotation about the hinging axis through a predetermined number of degrees in the two ways; corresponding to this motion of the actuating element 19 there is a reciprocating translational motion of the plate-like element 26.
  • the pusher assembly 22 on which the kinematic intermediate-control mechanism 21 is active is hinged on frame 2 and is movable relative to the latter about the hinging axis. Coupling between the plate-like element 26 and pusher assembly 22 is obtained by a pin 27 emerging in cantilevered fashion from the plate-like element 26 and engaged in a respective slot 28 provided in the pusher assembly 22. Pin 27 and slot 28 are such arranged that the reciprocating translational motion of the plate-like element 26 causes a corresponding oscillatory rotational motion of the pusher assembly 22.
  • a guide element 29 active on the stop element 13 of the control means 4 and capable of converting a displacement thereof in a plane parallel to the translation plane of the plate-like element 26 into a displacement of the stop element 13 in a substantially perpendicular transverse direction.
  • the guide element 29 consists of a metal roller for example, freely mounted on a pin 30 of the pusher assembly 22 and provided with a rotation axis parallel to the translation plane of the plate-like element 26 and also parallel to the strip defining the stop element 13.
  • a translation of the plate-like element 26, produced by pressure exerted on the actuating bar 19 causes a rotation of the pusher assembly 22 carrying the metal roller, about the hinging axis of the assembly itself. Said roller, during its movement, abuts against the stop element 13 urging it to move upwardly away from its lying plane (see Fig. 6).
  • This connection is obtained by use of an interconnecting body 31. provided with a first portion 31a slidably in engagement with the pusher assembly 22 and a second portion 31b slidably in engagement with the control means 4 and in particular the main plate 7.
  • This interconnecting body 31 aims at transferring motion of the plate-like element 26 to the main plate 7 bringing the control means, and as a result the main plate 7, latches 5 and handle 3 from the second operating condition to the first operating condition enabling opening of the door.
  • the device is of reduced sizes in that advantageously the main plate 7 and plate-like element 26 are disposed in side by side relationship in the same work plane and substantially move along parallel directions.
  • the stop element 13, as already specified, is in superposed relationship relative to the main plate 7 and the plate-like element 26.
  • the kinematic intermediate-control mechanism 21 operates at a volume defined under the actuating bar 19, whereas the pusher assembly 22 operates above both the plate-like element 26 and the main plate 7 and is capable of reaching an interference condition with the stop element 13.
  • Handle 3 too, together with projection 12 and the fork element are advantageously positioned above the plane defined by the main plate 7.
  • the lock is also equipped with means 32 for locking the safety means 18, which is capable of inhibiting operation of the actuating bar 19.
  • the locking means 32 has a lever 33 oscillatably connected to frame 2 and provided with a first portion 33a connected to the safety means 18.
  • Force-generating means 34 preferably consisting of an electromagnet to be activated by a control circuitry, causes an action on a second portion 33b of lever 33 defined by a circular plate.
  • the second portion 33b is at a greater distance than the first portion 33a from the oscillation axis 35 of lever 33.
  • the torque generated on axis 35 by an action of the force-generating means 34 can be only overcome by a corresponding force applied to the first portion 33a of greater intensity and strictly modulus-linked to the distances from the oscillation axis 35.
  • a connecting rod 36 has, at one end 36a thereof, an emerging pin guided by a shaped seat formed in the first portion 33a of lever 33.
  • the connecting rod is then hinged, at the other end 33b thereof, on the "L" side on which the bar of the actuating element 19 rests.
  • the attraction force can be caused to vary at will and it can be brought from a zero value to such a value that movement of the L-shaped element 37 caused by an action on the actuating element 19 is prevented.
  • the device is provided with detecting means 39 capable of establishing the position both of the control means 4 and the closure means 10.
  • the invention achieves important advantages.
  • panic bar in addition to normal use, through the panic bar enables opening of a door both with an armour-plated safety closure, and with the electric closure alone, or with both of them.
  • lock can be applied to previously existing doors, by suitably engaging the support frame to said doors.
  • the device is of easy assembling and has very reduced bulkiness.
  • the operating condition (closure, locking by a key, opening) of the lock can be monitored at a distance too through optical and/or sound signalling.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Lock And Its Accessories (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
  • Fluid-Driven Valves (AREA)
  • Safety Valves (AREA)
EP98830285A 1998-05-13 1998-05-13 Öffnungsvorrichtung für Notausgänge Expired - Lifetime EP0957222B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT98830285T ATE208001T1 (de) 1998-05-13 1998-05-13 Öffnungsvorrichtung für notausgänge
EP98830285A EP0957222B1 (de) 1998-05-13 1998-05-13 Öffnungsvorrichtung für Notausgänge
DE69802261T DE69802261D1 (de) 1998-05-13 1998-05-13 Öffnungsvorrichtung für Notausgänge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98830285A EP0957222B1 (de) 1998-05-13 1998-05-13 Öffnungsvorrichtung für Notausgänge

Publications (2)

Publication Number Publication Date
EP0957222A1 true EP0957222A1 (de) 1999-11-17
EP0957222B1 EP0957222B1 (de) 2001-10-31

Family

ID=8236648

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98830285A Expired - Lifetime EP0957222B1 (de) 1998-05-13 1998-05-13 Öffnungsvorrichtung für Notausgänge

Country Status (3)

Country Link
EP (1) EP0957222B1 (de)
AT (1) ATE208001T1 (de)
DE (1) DE69802261D1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2212316A (en) * 1939-07-17 1940-08-20 Sargent & Co Door lock
US2531848A (en) * 1948-04-26 1950-11-28 Herring Hall Marvin Safe Compa Apparatus for releasing locking mechanism of vault doors
DE2205245A1 (de) * 1972-02-04 1973-08-09 Fuhr C Fa Drehstangenverschluss, insbesondere fuer schwenktueren von kraftfahrzeugaufbauten
DE2213790A1 (de) * 1972-03-22 1973-09-27 Fuhr C Fa Drehstangenverschluss, insbesondere fuer schwenktueren von kraftfahrzeugaufbauten
DE2525307A1 (de) * 1975-06-06 1976-12-09 Sommer Metallbau Stahlbau Gmbh Zentralverschluss
FR2500880A1 (fr) * 1981-02-27 1982-09-03 Fermod Dispositif d'ouverture interieure d'une porte, notamment de chambre frigorifique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2212316A (en) * 1939-07-17 1940-08-20 Sargent & Co Door lock
US2531848A (en) * 1948-04-26 1950-11-28 Herring Hall Marvin Safe Compa Apparatus for releasing locking mechanism of vault doors
DE2205245A1 (de) * 1972-02-04 1973-08-09 Fuhr C Fa Drehstangenverschluss, insbesondere fuer schwenktueren von kraftfahrzeugaufbauten
DE2213790A1 (de) * 1972-03-22 1973-09-27 Fuhr C Fa Drehstangenverschluss, insbesondere fuer schwenktueren von kraftfahrzeugaufbauten
DE2525307A1 (de) * 1975-06-06 1976-12-09 Sommer Metallbau Stahlbau Gmbh Zentralverschluss
FR2500880A1 (fr) * 1981-02-27 1982-09-03 Fermod Dispositif d'ouverture interieure d'une porte, notamment de chambre frigorifique

Also Published As

Publication number Publication date
DE69802261D1 (de) 2001-12-06
EP0957222B1 (de) 2001-10-31
ATE208001T1 (de) 2001-11-15

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