LEVER TUMBLER LOCK WITH LATCH Russian patent published in 2018 - IPC E05B25/00 

Abstract RU 2641499 C1

FIELD: construction.

SUBSTANCE: lock with a latch, consisting of a body, a cover, a two-bit key, a bolt, usually of several bars of a high-strength metal, a lever characterized in that the two-bit key interacts through the body by means of its projections and grooves with a set of lever tumblers finding their positions under their own weights, which are made of a high-strength metal and having in the upper part of their bodies an opening for an axle common for the lever tumblers, fixed on the body by one end, and there is a high-strength ball in the axle center at the second end of the axle, and also on each lever tumbler there is a free-wheeling groove for the second common axle fixed on the body, and on the body there are two combs for fixing the position and the gap of the lever tumblers with respect to the body, and in the lower part of the lever tumblers there are grooves for the mating part of a hammer catch projecting from its upper part, these code grooves being aligned on one line only in the position when the key is turned to the position of full opening and displacement of each lever tumbler to the height of the projection or the groove in the two-bit key, wherein the hammer catch interacts with the axle fixed to the body, and on the lower part of the hammer catch, there are a projection for limiting the bolt stroke in the open position and a recess for the projection on the upper part of the bolt interacting with the hammer catch, its spring, and not allowing the bolts to move when the key is removed, and the bolt interacts with a lever through a pin and a groove on the lever, and the second end of the lever through the second grooves interacts with a bushing rigidly fixed to the opening handle, and the bushing interacts with a door latch comprising pawls, rollers, roller axles and pawl axles, located in the larger openings of the pawls, and all of them are located at both ends of the latch; and through the second lever, a link on the bushing, and with the first lever, the latch has a spring on its axle, and the body has sockets for the spring for the right or the left location of the lock on the door, and there are false grooves on the bottom of all the lever tumblers.

EFFECT: increasing the reliability.

3 dwg

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RU 2 641 499 C1

Authors

Kostin Igor Anatolevich

Belashov Evgenij Fedorovich

Dates

2018-01-17Published

2016-08-23Filed