SU25142A1 - Retractable Visor Lock - Google Patents

Description

In FIG. 1 shows a longitudinal section of the lock; FIG. 2- side view of the lock; FIG. 3-frame lock; FIG. 4 is a longitudinal section of the control part of the lock; FIG. 5 is a side view of the test fixture; FIG. b is the same, top view; FIG. 7 - front view of the lock.

The lock case consists of two flat covers b, on which two boxes 5 are mounted on the top and bottom (Fig. 1 and 2). As a locking mechanism used drum well-known design. When the key is inserted, the drum rotates the plate 2 (Fig. 1), which with its protrusions enters box 3 (Fig. 1) and, hooking the protrusions of the two symmetric shchekolds, thus freeing the shackle 7. The latter, under the action of a spring, is pushed out. The lock is assembled on a frame 9 composed of separate plates with cut-outs that fit one into the other.

The lock is equipped with a sealing device (Fig. 4-b), which can be removed and serves to control. It consists of a tube in (FIG. 4) with a longitudinal slot in which the cylinder a is placed with its pin c in the inclined slot И in the wall of the tube в and kept from falling out under the influence of the spring τ abutting the removable bottom d. The latter is held in place by a peg e (Fig. 5) entering a cutout perpendicular to the notch. Before the device is inserted into the lock, both the bottom and the cylinder ac are removed from the tube into the spring. A control coupon is screwed onto cylinder a, with which the peg pierces the coupon; then the cylinder a with the coupon and with the spring fitted on the rod is inserted into the tube. Next, insert the bottom d, which pinches the paper and removes the spring. After this, the device is inserted into the lock and the lock is locked, with it, the latch, with its projections into the recesses of the handle. Through the window 10 (Fig. 7), located on the back side of the lock, one can see the tube slot in the filling apparatus with the coupon. If the lock was not opened by anyone, the coupon remains whole. If the lock is opened, the coupon will be torn due to the fact that when locking the lock, the end 7 of the handle presses the cylinder a and pushes it down a little, and the pin goes out of its cutout , slid along the edges of it, and during the reverse movement # it no longer falls into the notch, but moves upwards, the coupon breaks. The subject of the patent. The control padlock with a retractable handle and with the use of a horn damaged by opening the lock, characterized by the use of a sealing device installed in the lock body, consisting of a width wound with a control slip (FIG. 7) inserted into tube 6 and fitted with a guide rod k, under the influence of the spring t, abutting the removable bottom d in the tube b, having a longitudinal slot with perpendicular to it e and oblique with notches for the passage of the pins v (c, fixed respectively on the bottom with and on the cylinder a, of which the pegs e serve to hold the bottom d clamping the coupon in place, and the peg is a knife for damaging the coupon when opening the lock.

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