EP0773337A1 - Serrure à pêne demi-tour - Google Patents

Serrure à pêne demi-tour Download PDF

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Publication number
EP0773337A1
EP0773337A1 EP96117281A EP96117281A EP0773337A1 EP 0773337 A1 EP0773337 A1 EP 0773337A1 EP 96117281 A EP96117281 A EP 96117281A EP 96117281 A EP96117281 A EP 96117281A EP 0773337 A1 EP0773337 A1 EP 0773337A1
Authority
EP
European Patent Office
Prior art keywords
return spring
nut
spring
latch lock
lock according
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
EP96117281A
Other languages
German (de)
English (en)
Other versions
EP0773337B1 (fr
Inventor
Fritz Helmut Fuss
Peter Kerndl
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.)
Fritz Fuss GmbH and Co
Eff Eff Fritz Fuss GmbH and Co KGaA
Original Assignee
Fritz Fuss GmbH and Co
Eff Eff Fritz Fuss GmbH and Co KGaA
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 Fritz Fuss GmbH and Co, Eff Eff Fritz Fuss GmbH and Co KGaA filed Critical Fritz Fuss GmbH and Co
Publication of EP0773337A1 publication Critical patent/EP0773337A1/fr
Application granted granted Critical
Publication of EP0773337B1 publication Critical patent/EP0773337B1/fr
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
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • 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
    • E05B63/16—Locks or fastenings with special structural characteristics with the handles on opposite sides moving independently
    • 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
    • E05B65/1086—Locks with panic function, e.g. allowing opening from the inside without a ley even when locked from the outside

Definitions

  • the invention relates to a door lock with at least one latch and with a split follower according to the preamble of claim 1.
  • Latch locks in a simple embodiment can be operated via door handles which are arranged on the outside and inside of a door.
  • the door handles or handles cause the at least one lock latch to be withdrawn via a handle follower.
  • Latch locks with two different functions on the inside and on the outside have a split handle follower with an inner follower and an outer follower, which act on a lock latch.
  • Such latch locks are used in particular as panic locks, in which the door can be opened from the inside at any time, while on the outside the lever operates as a normal function and the latch is only pulled back and a door is opened when a cylinder lock belonging to the latch lock is operated first .
  • the outside handle is coupled to the lock latch so that the door is opened when the handle is depressed.
  • the actuation of the cylinder lock can also be combined with an access control system.
  • a magnet can be arranged on the latch lock, with which the connection between the handle and the latch latch is established.
  • a spring in particular a strong spiral spring, is arranged, which is referred to as a return spring or also as a handle spring, it is for a divided handle follower to actuate the two nut halves separately, ie the inner nut and the outer nut, also required to split the return spring.
  • a "halved" spring is usually too weak to safely reset the handle follower and to push the lever handles up to their starting position.
  • the spring force of a "halved" return spring is not sufficient to bring about a complete return.
  • the invention has for its object to provide a latch lock with a return spring arrangement, which ensures an actuation of the door handle with a normal effort and at the same time a safe return of the follower and door handle.
  • the basic idea of the invention is a return arrangement with at least three return springs. These three return springs are arranged and designed such that at least two return springs, at most all three, are always in engagement with a split follower.
  • a door handle By acting on at least two return springs on a nut half, for example on the inner nut, it is ensured that the spring force exerted thereby leads to a safe resetting of the inner nut and to the lifting of the inside door handle.
  • a door handle can be operated and depressed with a normal effort, even if both halves of the handle follower, i.e. the inner nut and the outer nut, are operated together.
  • an additional return spring which in particular can be a third return spring arranged between two return springs.
  • Such a central return spring can interact with both the inner return spring and the outer return spring and moreover with both return springs if this is provided by the lock actuation.
  • the arrangement of three relatively narrow return springs, which can be combined with one another, ensures that the handle is actuated with a normal effort and, at the same time, that the door handle (s) is safely reset.
  • the third and preferably middle return spring to be stronger than the inner return spring and the outer return spring. In a particularly advantageous manner, this results in a particularly small difference in force when the inner nut or outer nut is actuated or when both nut halves are actuated.
  • three return springs are arranged one above the other in an arrangement.
  • Each of the three return springs is particularly narrow to enable this arrangement.
  • the additional return spring is arranged behind an inner and an outer return spring for an inner and outer nut and extends almost over both return springs, so that an alternative interaction with one return spring or with both return springs is also possible with this design .
  • This particularly wide additional return spring is expediently designed as a leg spring, in particular as an approximately U-shaped leg spring.
  • a latch lock 2 with a split follower a self-locking lock with a housing 11, a bolt 12, a latch 13 and an auxiliary latch 14 is shown, but only reference is made to features which relate to the present invention related.
  • the other functions and mechanisms of action can be seen from DE 44 07 244 C1.
  • the lock can be actuated via a two-part follower 3 and a key-operated locking cylinder 16 with a locking lug 17. 1 can be opened at any time and reliably from the inside of the door in the event of a panic.
  • the lock can be opened from the outside using a key and, if authorized, via an external handle or an outside door knob. The authorized opening by means of a key is ensured by the arrangement of a change 27.
  • the split trigger nut 3 with the inner nut 5 and the outer nut 7 is operatively connected to a return arrangement 10.
  • This return arrangement 10 has three return springs 4, 6, 8 (see FIGS. 2c, 3c, 4c, 5c), which are shown in FIG 1 shown opening phase of the door and the associated rest position of the follower 3 and the reset arrangement 10 are arranged one behind the other in the plane of the drawing and cannot be recognized individually.
  • the inner nut 5 has a lower driver 15 and an upper driver 18 which engages with the latch 13 and is connected in a rotationally fixed manner to an inner pawl or an inner handle (not shown).
  • the outer nut 7 is connected to the inner nut 5 via an electromagnetically actuated clutch 20.
  • the clutch 20 consists of a spring-loaded Detent 22 and from an armature 23 of an electromagnet 24 for actuating the detent 22.
  • the coil 24 is energized and the armature 23 is tightened so that the clutch 20 engages.
  • the electromagnet is de-energized, the inner nut 5 of the trigger nut 3 is uncoupled from the outer nut 7.
  • the latch 13 is withdrawn against the bias of a spring 21 by engagement of the driver 18 on a hook 19 of the latch 13 (not shown.)
  • FIG. 2 to 5 show a first embodiment of the reset arrangement 10 according to the invention. It comprises three relatively narrow return springs 4, 6, 8 arranged one above the other, which act on the inner nut 5 and outer nut 7 via an inner push rod 25 and an outer push rod 28.
  • the connection of the return springs 4, 8 with the inside and outside push rod 25, 28 and the connection of the push rods 25, 28 with the inner nut 5 and the outer nut 7 are shown in a highly schematic manner. These are non-positive connections.
  • FIG. 2 also shows a catch 22 and the square pins 30, 31 which are connected in a rotationally fixed manner to an inner lever and outer lever, not shown.
  • FIG. 2a to 2c a rest position of a latch is shown in the extended position shown in FIG. 1, according to FIGS. 3, 3a to 3c a door handle actuation "inside" is shown, for example in a panic case.
  • Identical reference signs are used for the same features.
  • the inner nut 5 was reset with the help of an inner pawl, as can also be seen from the position of the square pin 30 according to FIGS. 3 and 3b.
  • Fig. 3a illustrates the operation of the additional return spring 6, which is arranged as a central return spring between the inner return spring 4 and the outer return spring 8 and in the position shown in Fig. 3a together with the inner return spring 4, the inner nut 5 via the inner Push rod 25 resets.
  • FIG. 4 an operation "outside without authorization” is shown, in which the additional return spring 6 now interacts with the outer return spring 8 and resets the outer nut 7 and the outer square pin 31.
  • Fig. 5 the inner nut 5 and the outer nut 7 are connected to each other with engaged clutch according to the position of the detent 22 in order to achieve an actuation "outside with authorization" and a door opening. Since both nut halves, the inner nut 5 and the outer nut 7, are operated together, the resetting and lifting of the door handles is carried out by all three return springs 4, 6, 8 and is guaranteed to be safe.
  • FIGS. 6 to 9 An alternative embodiment of a reset arrangement 10 according to the invention is shown in FIGS. 6 to 9.
  • an inner return spring 4 and / or an outer return spring can be used as alternative support 8 as an additional return spring 6, a leg spring 26 is provided, which is so wide that it extends almost over the inner return spring 4 and the outer return spring 8.
  • the inner nut 5 is actuated analogously to FIG. 3.
  • the non-actuated freewheel side, the outer nut 7, is held up by the outer return spring 8, as can also be seen from the position of the outer square pin 31 in FIG. 7b.
  • 7a acts on the inner return spring 4 and moves the actuated inner pawl back into its starting position.
  • Fig. 8 shows the follower nut 3, the return springs 4, 8 and the additional return spring 26 when actuated "outside without authorization", in which the inner nut 5 and the outer nut 7 are disengaged, as from the position of Detent 22 can be seen.
  • the inner nut 5 which is also referred to as panic nut, is held up by the inner return spring 4.
  • the additional return spring 26 bears against it.
  • FIG. 9 shows, analogously to the first exemplary embodiment according to FIG. 5, a handle follower actuation "outside with authorization".
  • three springs namely the inner return spring 4 and the outer return spring 8 and the additional return spring 26 arranged behind them, engage and ensure that both the inner pawl and the outer pawl are moved back into their rest position as soon as the outside jack is released.
  • the invention is not limited to the exemplary embodiment shown and in particular not to panic locks.
  • the invention can be used advantageously in all locks with a split follower.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Mechanical Operated Clutches (AREA)
  • Endoscopes (AREA)
EP96117281A 1995-11-10 1996-10-28 Serrure à pêne demi-tour Expired - Lifetime EP0773337B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19542026 1995-11-10
DE19542026A DE19542026C1 (de) 1995-11-10 1995-11-10 Fallenschloß

Publications (2)

Publication Number Publication Date
EP0773337A1 true EP0773337A1 (fr) 1997-05-14
EP0773337B1 EP0773337B1 (fr) 2000-07-26

Family

ID=7777183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96117281A Expired - Lifetime EP0773337B1 (fr) 1995-11-10 1996-10-28 Serrure à pêne demi-tour

Country Status (3)

Country Link
EP (1) EP0773337B1 (fr)
AT (1) ATE195014T1 (fr)
DE (2) DE19542026C1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004057747A1 (de) * 2004-11-30 2006-06-01 Normbau Beschläge und Ausstattungs GmbH Kupplungsvorrichtung für eine Verriegelungstechnik
GB2429039A (en) * 2005-08-12 2007-02-14 Assa Abloy Ltd Lock assembly with first and second return spring assemblies acting on handle

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10028176A1 (de) * 2000-06-09 2001-12-13 Michael Dorn Selbstverriegelndes Schloß und mit diesem ausgestattetes Schließsystem
FI115479B (fi) † 2003-10-30 2005-05-13 Abloy Oy Ohjattavalla painiketoiminnolla varustettu ovenlukko
DE102006030552A1 (de) 2005-07-14 2007-01-18 Kfv Karl Fliether Gmbh & Co. Kg Fluchttürschloss
FR3045091B1 (fr) * 2015-12-11 2019-06-14 Dubois Industries Serrure actionnable par une premiere commande telle qu'une barre anti-panique et par une deuxieme commande a cle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165580A (en) * 1984-08-21 1986-04-16 Uniqey Int Locking device for doors
US4589691A (en) * 1984-05-04 1986-05-20 Best Lock Corporation Lever handle mortise lock
DE4407244C1 (de) 1994-03-04 1995-08-17 Fuss Fritz Gmbh & Co Selbstverriegelndes Schloß

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589691A (en) * 1984-05-04 1986-05-20 Best Lock Corporation Lever handle mortise lock
GB2165580A (en) * 1984-08-21 1986-04-16 Uniqey Int Locking device for doors
DE4407244C1 (de) 1994-03-04 1995-08-17 Fuss Fritz Gmbh & Co Selbstverriegelndes Schloß

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004057747A1 (de) * 2004-11-30 2006-06-01 Normbau Beschläge und Ausstattungs GmbH Kupplungsvorrichtung für eine Verriegelungstechnik
GB2429039A (en) * 2005-08-12 2007-02-14 Assa Abloy Ltd Lock assembly with first and second return spring assemblies acting on handle

Also Published As

Publication number Publication date
DE19542026C1 (de) 1997-02-27
EP0773337B1 (fr) 2000-07-26
ATE195014T1 (de) 2000-08-15
DE59605644D1 (de) 2000-08-31

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