SU17046A1 - Modifying the door lock - Google Patents

Description

In patent no. 2440, a door lock is described, in which is located under

 by the constant action of the spring, the latch, retractable into the lock box by turning the rod with ordinary knobs and curved, lifted to lock the half-turn lock of the stopper from the inner side of the room, and to unlock it from the outside, half-turn the key,

The keyhole inserted into the screwdriver hole, at which half turn, the cutouts of the zugadt are placed against the deadbolt and after) retraction: the Hejro rotates the door can be opened. .

Bi of the proposed lock, the deadbolt is inserted into the box by turning, applied instead of the stopper, the key, leaving which in the lock are used deadbolts, kai: Ujekoldoj, with the help of a handle, located under the influence of a spring.::. In the drawing fi. 1 shows the proposed lock, FIG. 2-bolt and FIG. 3 1slot

: consists of tkorobvi 18, riveted with 10 and 12 (fip 1) to the outer Plank through which it passes,

bolt 19 (figs. 1 and 2), fitted with protrusions 17, 17 (fig. 2) and / shank 2 in contact with arm 25 of handle 9 (fig. 1), under the influence of springs 5 and 6. Protrusion 17 bolt 19 It is in contact with zugalts 4, which are provided with notches 24 (Fig. 1) and rotate on axis 16, with what a zug. No. 4 ... all the time, are under the influence of spring 15 (Fig. 1). .

The bolt 1.9 is in the open position under constant impact (insertion of the spring 6j and is drawn into the box by turning the key 14 inserted into the well 3 (Fig. 1) (Fig. 3) with a small beard 21 lifting the bolts 4 so that the protrusion 17 is transom he entered the corresponding cuts of the 24 ... 6 zugalts 4. To use the crossbar 19, as a cheek, stop yut the key 14 in the inside of the room and turn the handle 9, which with the help of the shoulder 25 - acts on the shank 2 crossbar of the glitches 19 and draws the last inside box 18, with the 1st at this time, the protrusion 17 will To move with cutouts 24 ...

j r4tp6M lock the door from the outside of the room into the well 3, insert the key 14, which, turning, pins 21 out of the cut-outs 24 ...; protrusion 17. The latter rests on the toothed surfaces 26, ... zugalt 4 ..., which will not allow it to retract into-the inside of the box when turning the knob 9.

 :: subject patent; (

Modification of the door lock described in patent No. 2440, characterized in that instead of the stopper mentioned in the patent, a key 14 is used (Fig. 3), and the handle 9 (Fig. 1) is under the influence of spring 5

/R

FIG 3

, - iD

/four

2f