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Safety lock for household doors and similar

A technology for safety locks, home use, applied in the field of safety locks

Inactive Publication Date: 2007-03-07
MOTTURA SERRATURE DI SICUREZZA SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, this type of lock is used for example on the front door of a house, and for some reason the owner is afraid that an unauthorized person might have copied the lock key, so the owner has to replace the entire lock in order to restore adequate security to his house

Method used

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  • Safety lock for household doors and similar
  • Safety lock for household doors and similar
  • Safety lock for household doors and similar

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0027] In Figures 1 and 2, reference numeral 1 designates a complete security lock for a door or the like for domestic use. The lock 1 comprises a shell 2 of sheet metal from which protrudes at least one pin 3 , which may consist, for example, of a number of steel pins, all of which are carried within the lock by a movable metal plate. According to known technology, the entire operating mechanism of the pin 3 is inside a removable core 4, the front of which carries a block 50 with a key for a double-sided toothed key Insert the guide channel 60. Figure 2 shows the removable core 4 in the extracted position.

[0028] Referring to Fig. 15, the core 4 includes a sub-frame composed of two sheet metal plates 4a and 4b, which are arranged parallel to each other and spaced apart. Still referring to Figure 15, reference numeral 40 designates an additional metal plate as a pin plate, which is destined to be directly or indirectly connected to the lock when the core 4 is installed ins...

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PUM

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Abstract

A safety lock is described that is equipped with a removable core provided with means of rekeying that permit the lock to be adapted to a new key.

Description

technical field [0001] The present invention relates to a security lock for domestic doors and similar types, in particular a security lock which can be rekeyed with a new key. Background technique [0002] British patent document GB-A-2308862 discloses a security lock of a common type comprising a housing comprising a front plate with a keyhole for insertion of a double-sided toothed key. A plurality of cylindrical pins are slidably mounted in holes formed in a side portion of the housing and are movable between a position retracted from the housing (door open) and a position projected from the housing (door locked). The pins are welded to a pin plate slidably mounted in the housing in the horizontal direction. [0003] The bolt plate has a toothed rack that is engaged by the key teeth when the key is inserted into the lock so that rotation of the key causes the bolt plate and bolt to move horizontally between its open and latched positions. [0004] Key actuation of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E05B63/00E05B15/00E05B9/02E05B21/00E05B35/08
CPCE05B9/02E05B21/00E05B35/083
Inventor S·莫图拉
Owner MOTTURA SERRATURE DI SICUREZZA SPA