FR2694036A1 - Device for opening a door without opening the lock that controls it. - Google Patents

Abstract

The invention relates to a device enabling a door to be opened when it is equipped with a lock in the closed position which, for some reason, one cannot or one does not wish to proceed to its opening while desiring open the door anyway. This device consists in Fig.1, of a smooth core on the outside and tapped on the inside 1, comprising a tab having at its end a sole 7. To release the seat sole 7 from the bolt of the lock. door, it suffices to engage the key in one or the other of the two barrels, to execute a turning movement. A reverse movement will be necessary to put the sole under the bolt. Key control can be done either from outside or inside the room. A notch 6 in the projection of the rebate of the fixed frame allows the very easy passage of the bolt of the lock in its projecting closed position.

Description

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  DEVICE FOR OPENING A DOOR

  WITHOUT OPENING THE LOCK THAT CONDEMNS IT

MARCEL DIEMER.

description.

  The present invention relates to a device for operating

  a door whose lock is in the closed position.

  This device consists (Fig 1) of a tube core whose interior is threaded 1 and comprising a tab having a sole 7 for receiving the bolt of the lock in the closed position, a cylinder (Fig 6) screwed at each end, this barrel consists of a threaded portion 5 controlled by a key engaged in the inlet 8 independent of the movable portion 4, a sleeve 2 (Fig 5) fixed on 4 on the one hand and on the frame of the door on the other hand, another socket 3 (FIG 7) also fixed on 4

  and on the dormant frame by the flange Fig 2 and Fig 3 representing the

  in the sleeping frame of the door.

  Operation: When inserting the key into the key 8 on the inside

  interior of the room and that he is made a half-turn in the direction of the

  guilles of a watch one drives the part 5 of the barrel screwed into the

  core 1 and, the leg disengages from under the bolt of the lock which does not

  against any difficulty to allow the opening of the door since

  the rabbet protrusion of the frame is released for this purpose 6.

  As soon as it passes, the person puts his key in the barrel of the other side.

  with the door closed, all you have to do is turn the key clockwise to replace the 7-inch footplate.

  the bolt of the lock and the door is again condemned.

  Of course, we can execute the opening and closing of the door

in the opposite direction.

  It is advisable to install a base of suitable thickness to

  that the bolt of the lock is at the level of the sole 7.

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Claims (5)

CLAIMS.   1) -Dispositif characterized in that it comprises Fig 1, a core constituted by an internally threaded tube, equipped with a tab which comprises a   sole 7 for receiving the seat of the bolt of the lock of the door.   At each end of the core are screwed barrels Fig 6, composed of a threaded portion 5 and an independent portion 4, only the portion 5 is controlled by the key, a bushing Fig 7, is placed on the part 4 of the barrel and is fixed by the flange 3 on the door frame, a second bushing fig 5, is placed on the part 4 of the other cylinder and is fixed   by the flange 2 on the door frame.   2) -Device according to the above claim, characterized in that the   key introduced into its input 8 of the barrel allows, by a turn   nier, to release the sole 7 in order to release the bolt of the lock which,   being more restrained allows the opening of the door by   notched in the frame 6 to its size.   3) -Device according to the preceding claims, characterized in that   the key introduced into any of the barrels may clear or re-enter   lodge the seat 7 of the bolt of the lock, that is to say allow the opening or closing of the door without operating the lock of said door.   4) -Dispositif according to the preceding claims, characterized in that   the door lock must be placed on a base allowing it to have   its bolt in the closed position, resting on the sole 7 of the piece 1.   ) -Dispositif according to the preceding claims, characterized in that   the barrel elements 4 are immobilized by the bushes 2 and 3,   which are fixed by their flange on the frame of the door.   6) -A device according to the preceding claims in that the portion   of the dormant frame rabbet is notched to the dimensions of the   lock bolt so as not to disturb the opening of the door.