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Safety lock for doors of dwellings or the like

A safety lock and safety technology, applied in the field of safety locks, can solve the problems of high cost and complexity of time and extra cost

Inactive Publication Date: 2006-12-13
MOTTURA SERRATURE DI SICUREZZA SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But all the methods mentioned above are more complicated, making the expense of time and additional cost very high

Method used

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  • Safety lock for doors of dwellings or the like
  • Safety lock for doors of dwellings or the like
  • Safety lock for doors of dwellings or the like

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] figure 1 In , reference 1 represents the entire two-position type safety lock, which includes a shell 2 made of sheet metal, one side of which is closed with a cover plate, which is not shown in the drawings in order to show the components inside the lock. The general structure and operation of the double-position lock are already known, and will not be described in detail below. These structures and operations, on the other hand, are shown in numerous patents and patent applications filed by the present inventors. Simply, the lock consists of a latch member 3, formed of sheet metal, slidably mounted within a housing 2, with a latch pin 4 welded to its side, slidable through a corresponding hole in the side wall of the housing 2 . Inserting and turning the key allowed to be used in the lock 1 can control the latch member to move between the position corresponding to the open state of the lock and the position corresponding to the closed state of the lock, wherein the ...

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PUM

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Abstract

A safety lock of the type with safety plates or gorges comprises means of arrest that withhold temporarily one or more gorges in a position moved away from their resting position, in such a way as to enable actuation of the lock with a first key, and means for deactivating said means of arrest in such a way as to enable actuation of the lock only with a second key different from the first key. Preferably, the adaptation of the lock to operate only with the second key is obtained simply as a result of using the second key in the lock.

Description

technical field [0001] The present invention relates to a safety lock for residential doors, gates and the like comprising a frame, a latch member movably mounted within the frame; rotatable by a key of the lock between a first and a second position movement, wherein said first and second positions correspond respectively to an open state and a closed state of the lock; and a plurality of safety plates or barriers, which are provided on said frame, by turning the key of the lock, overcoming the action of the spring mechanism Or overcome the effect of gravity, and move towards each position that makes the latch member move. Background technique [0002] In many cases, it is necessary to restore the security provided by the door lock after the key controlling the door has been used by a person who is an outsider to the property involved. It is often the case that, on construction sites, the locks on the doors of buildings or apartments under construction or being repaired are...

Claims

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Application Information

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IPC IPC(8): E05B35/12E05B63/14E05B35/14
CPCE05B21/00E05B9/02E05B35/083
Inventor S·莫图拉
Owner MOTTURA SERRATURE DI SICUREZZA SPA
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