EP0430833A2 - Schloss für Notausgang mit Griffstange - Google Patents

Schloss für Notausgang mit Griffstange Download PDF

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Publication number
EP0430833A2
EP0430833A2 EP90440002A EP90440002A EP0430833A2 EP 0430833 A2 EP0430833 A2 EP 0430833A2 EP 90440002 A EP90440002 A EP 90440002A EP 90440002 A EP90440002 A EP 90440002A EP 0430833 A2 EP0430833 A2 EP 0430833A2
Authority
EP
European Patent Office
Prior art keywords
housing
follower
bolt
board
door
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.)
Withdrawn
Application number
EP90440002A
Other languages
English (en)
French (fr)
Other versions
EP0430833A3 (en
Inventor
Christian Joos
Henri Morel
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.)
Sa Dyme Fabrique De Serrures Et De Quincaillerie
Original Assignee
Sa Dyme Fabrique De Serrures Et De Quincaillerie
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 Sa Dyme Fabrique De Serrures Et De Quincaillerie filed Critical Sa Dyme Fabrique De Serrures Et De Quincaillerie
Publication of EP0430833A2 publication Critical patent/EP0430833A2/de
Publication of EP0430833A3 publication Critical patent/EP0430833A3/fr
Withdrawn legal-status Critical Current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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B55/00—Locks in which a sliding latch is used also as a locking bolt
    • E05B55/12—Locks in which a sliding latch is used also as a locking bolt the bolt being secured by the operation of a hidden parallel member ; Automatic latch bolt deadlocking mechanisms, e.g. using a trigger or a feeler

Definitions

  • the present invention relates to the new industrial product that constitutes a security lock for an emergency exit with a push bar.
  • the emergency exits of public premises are equipped with opening members, most often a push bar, which make it possible to open said exits in an emergency, so as to allow the rapid evacuation of the premises.
  • opening members are quite frequently supplemented by an electric locking system controllable from a central station or by heat or smoke detectors, preventing irregular opening of the emergency exit in normal times.
  • the opening members of most known emergency exits generally actuate the door bolt through locks which are most often affixed to the door leaf, and which have the drawback of being quite bulky.
  • these opening members do not include means making it possible to lock them by means of a key which can also be operated from the outside, so that the emergency exits which they equip can only be opened from from inside the room, which is another disadvantage.
  • the present invention aims to remedy these various drawbacks of known systems by providing a security lock which can be housed in the frame of the door of an emergency exit and which, while being maneuverable at any time by a bar has the advantage of being able to be locked using a key capable of being operated from outside the room.
  • the security lock according to the invention thus comprises a set of means cooperating to allow on the one hand to block the bolt in the keeper of the amount of the door when the latter is closed and on the other hand to unlock said bolt, either from inside the room by means of a push bar, or from outside the room by means of a crutch engaged in a follower.
  • the lock comprises a finger movable in horizontal translation projecting out of the headrest at a distance from the bolt, when the door is open and which re-enters the housing when the door is closed, actuating in its movement of removal of a set of two racks associated with a toothed wheel which cause the locking of the bolt, and therefore the locking of the door.
  • the lock comprises a first follower maneuverable by the push bar of the door and the actuation of which causes the unlocking of the bolt, authorizing the opening of the door from inside the premises.
  • the lock comprises a second nut which can be operated from the outside of the door by means of a crutch, the actuation of which also causes the unlocking of the bolt, authorizing the opening of the door of the outside.
  • the lock comprises a double barrel which can be operated by a key either inside or outside the room, and whose actuation for locking the door causes the second nut to lock, preventing the door from being opened from outside the room, while allowing its opening from the inside by means of the push bar.
  • the lock according to the invention comprises, in a housing 1, a bolt 2 mounted on a bolt tail 22 having approximately in its middle an L-shaped cutout 23 rounded at its two ends, the bolt tail 22 being mounted displaceable in translation on an approximately parallelepipedic support 24 provided with an oblong cut 25 approximately of the same dimensions as that of the L-shaped branch of the bolt tail 22 which is susceptible to overlap it.
  • a spiral spring 26 secured to the housing 1 of the lock bears by its free end against the rear end of the bolt tail 22, so as to hold the bolt 2 in position outside the housing 1 of the lock.
  • the support 24 is provided at its base with a cutout allowing passage to a board 3 which is provided with two lugs, one 31 positioned at its upper end and the other 32 a short distance below the tail of bolt 22, and which is on the other hand secured to a rod 33 which projects out of the cutout 25 of the support 24 and of the cutout 23 of the bolt tail 22.
  • the plate 3 also comprises, in the vicinity of its lower end, a rack cutout 34 on which engages a toothed wheel 4 which also comes into engagement with a rack 51 cut out on a slider 5 held by two guide fingers 53 and terminated by a rim 52 crossed by an axis 61 integral with a finger 6 which projects out of the faceplate 11 of the lock, a spring 62 being interposed between the finger 6 and the rim 52, that the movement of the cursor 5 can come apply against a stop 54 secured to the housing 1.
  • the board 3 is also provided with a finger-shaped protuberance 35, a spring 36 being positioned between this protrusion and a finger 37 secured to the housing 1.
  • a short distance from the upper lug 31 of the board 3 is positioned a follower 7, mounted swiveling in the housing 1 and comprising an arm 71 and an axial bore 72 with square section intended to receive the operating rod of a push bar.
  • the follower 7 is provided with a step 73 capable of moving inside a cutout 74 in an arc formed in the housing 1, on the side of the follower 7 opposite the board 3.
  • a second follower 8 is mounted journalling in the housing 1, a short distance from the lug 32 of the board 3, being provided with an arm 81, an axial bore 83 with a square section and d a step 82 likely to move inside a cutout 84 in an arc formed in the housing 1, on the side of the follower 8 opposite the bolt tail 22, a thrust spring 85 bearing on the rear wall of the housing 1 completing the follower 8.
  • the follower 8 finally comprises an angular projection 86 diametrically opposite the arm 81, capable of abutting on a movable stop 93 secured to a movable part 92 capable of being moved in vertical translation by operation of a key in a double barrel 9 mounted in the housing 1, a rotary part 91 secured to this barrel which can come into engagement with the movable part 92 which for this purpose has a re-entrant part 94 capable of being moved in horizontal translation in a housing 96 under the effect of the thrust exerted by the rotating part 91, freeing up a space where the end of the rotating part 91 is inserted, which drives the moving part 92 in vertical translation, which transmits its movement, via an arm 95, to the moving stop 93
  • a spring 97 disposed in the housing 96 allows the re-entrant part 94 to return to its initial position when the rotary part 91 has completed a complete rotation.
  • the operation of the lock according to the invention is as follows: when the door of the emergency exit is closed, the bolt 2 momentarily enters the housing 1 of the lock, with the bolt tail 22, blocking the rod 33 in position A. At the same time, the finger 6 enters the housing, driving the cursor 5 in translation and compressing the spring 62 against the rear edge 52 of said cursor 5.
  • the finger 6 When the door is closed, the finger 6 remains tucked into the housing 1, its free end in abutment against the edge 13 of the door jamb 14, while the bolt 2 leaves the housing 1 to enter the keeper 12 arranged opposite in the upright 14 of the door, releasing the rod 33.
  • the slider 5 Under the effect of the spring 62, the slider 5 moves in translation, its rack 51 in turn driving in translation the plate 3 via the toothed wheel 4 and the rack 34 of the board 3, the rod 33 of which moves to position B.
  • the operation of the key in effect drives in rotation the rotary part 91 which drives in upward translation the movable part 92, which secured to the arm 95 also drives in abutment translation the stop 93 which comes in position D (see FIG. 3 ), in the immediate vicinity of the projection 86 of the follower 8.
  • the actuation of the push bar continues to authorize the opening of the door from inside the premises, the follower 7 being able to be actuated freely.
  • the lock according to the invention thus makes it possible to choose, in all desirable security conditions, the mode of opening of the emergency exit, which constitutes a notable advantage compared to existing locks.
  • the lock can be supplemented by an electric locking system controllable from a central station or by heat or smoke detectors, so as to prevent the irregular opening of the emergency exit in normal times.

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Lock And Its Accessories (AREA)
  • Casings For Electric Apparatus (AREA)
EP19900440002 1989-11-29 1990-01-11 Lock for emergency exit with push bar Withdrawn EP0430833A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8915948A FR2663670B1 (fr) 1989-11-29 1989-11-29 Serrure pour issue de secours a barre de poussee.
FR8915948 1989-11-29

Publications (2)

Publication Number Publication Date
EP0430833A2 true EP0430833A2 (de) 1991-06-05
EP0430833A3 EP0430833A3 (en) 1991-09-18

Family

ID=9388086

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900440002 Withdrawn EP0430833A3 (en) 1989-11-29 1990-01-11 Lock for emergency exit with push bar

Country Status (2)

Country Link
EP (1) EP0430833A3 (de)
FR (1) FR2663670B1 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB171455A (en) * 1920-08-10 1921-11-10 Sidney James Adams Improvements relating to locks for exit doors
EP0187104A1 (de) * 1984-12-28 1986-07-09 Jacques Lewiner Schloss mit Falle und Zusatzriegel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB171455A (en) * 1920-08-10 1921-11-10 Sidney James Adams Improvements relating to locks for exit doors
EP0187104A1 (de) * 1984-12-28 1986-07-09 Jacques Lewiner Schloss mit Falle und Zusatzriegel

Also Published As

Publication number Publication date
EP0430833A3 (en) 1991-09-18
FR2663670B1 (fr) 1994-01-21
FR2663670A1 (fr) 1991-12-27

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