FIELD: construction.
SUBSTANCE: key plate includes the body in the cavity of which there installed are rollers spring-loaded in the direction to each other. Body has the means for its being fixed on door panel and guard plate installed on the body and covering the body cavity. Both the body and the guard plate have coaxial key holes. Rollers are located parallel at least to one key hole.
EFFECT: invention ensures high protection degree of secret lock mechanism against effect of foreign objects, aggressive matters, against unauthorised probing of the lock code and against penetration of mud and dust inside the secret mechanism.
2 cl, 8 dwg
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|---|---|---|---|
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|
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|
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|
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| LEVER LOCK KEYHOLE | 2014 |
|
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| PROTECTIVE PAD FOR LEVER TUMBLER LOCK | 2019 |
|
RU2706409C1 |
| LOCK | 2017 |
|
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| BIT-KEY SAFE LOCK | 2016 |
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| LOCK | 2017 |
|
RU2658609C1 |
| LOCK | 2017 |
|
RU2658610C1 |
| BIT-KEY LOCK | 2007 |
|
RU2360088C2 |
