SU785454A1 - Lock - Google Patents

Description

(54) LOCK

one

The invention relates to locks for closing spare parts or appliance boxes, and can also be used to lock suitcases, bags and briefcases.

Known lock, comprising a housing with a shaped groove, interacting with him latch and fee, located in the housing 1.

The disadvantage of the famous lock is the impossibility of opening with one hand.

The aim of the invention is to increase the ease of use of the lock.

This is achieved by the fact that the board is made of two spring-loaded parts with protrusions in contact with each other, with one of the end sides of each protrusion made with a bevel, and in the figured groove of the case there is a stop interacting with the latch.

FIG. 1 and 2 show a general view of the castle; in fig. 3 - the lock case, section А-А, types B, C and section Г-Г; in fig. 4 - latch and type D; in fig. 5, 6, 7 and 8 - section of the case and the latch of the lock in the closed

and open position and sections MF, II, KK and LL.

The lock includes a housing I and a spring latch 2, which are made of sheet metal. In the upper plane of the housing there is a protrusion 3 directed towards the base of the housing, and in the rear part of the housing there is a board 4 which is made of two spring-loaded parts that are in contact with each other by the projections 5.

10 end sides of each protrusion are made with bevel 6. In the lower part of the body there is a rectangular groove 7, and in the upper part of the body there is a shaped groove 8 in which the stop 9 is located. In the spring catch latch 2 there is an opening 10 under the protrusion

5 3 cases. In the front part of the latch there is a wedge-shaped beak 11 with an upper supporting edge 12 and a lower edge 13. Inside the latch 2 there is a L-shaped stop 14. The latch is made with a stiffener 15 and a ribbed button 16.

When closing the lock spring spcha latch 2 when moving in the housing 1 slides upper support edge 12 beak

11 on the ledge of the 3 lock body. At the same time, the beak 11, resting against the support 9, lifts the latch 2 until the protrusion 3 falls into the opening 10 of the latch 2 - the lock is closed (see Fig. 5 and 6).

To open the lock, press the button 16 of the spring-loaded latch 2, while the vertex of the hook 11 presses the stop 9 and simultaneously extends the bottom edge 13 along the bevels 6 contacting protrusions 5 of the board 4. The force on the button 16 must be applied before the exit of the hook 11 from the figure groove 8 rectangular groove 7 — the lock is open (see FIGS. 7 and 8).

The present invention allows the lock to be opened automatically with one hand.

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Claims (1)

1. Patent of Great Britain N ° 1464760, cl. E 2 A, 1977 (prototype). / b FIG. 2 View 6 YYY Phage. -J and- and kk