RU94039638A - Universal combination lock - Google Patents

Abstract

FIELD: locksmith's work, particularly, locks with mechanical code system of door locking. SUBSTANCE: the offered lock possesses design features which make it universal. When used for locking the flat its opening from inside is performed quickly and conveniently by pressing strip 25 without disturbing the code. Besides, in case of availability of code system of opening, key 11 for opening the door from outside also possesses combination. This makes it possible, by the user's wish, disconnect the code system by reinstallation of ring from the inner side of strip 25 on its outer side, and lock may be used as common key-operated one. Lock design allows its application in offices. This is attained due to possibility of not removable attachment of outside key 11 and code key 13 with lock by means of screws 28 and 30. When the lock is used for locking garages, safes and store rooms, its design may be changed by exclusion of a number of such members as internal key 10, spring 17, ring, strip 25, post and screw, will all attributes of combination preserved. In this case, in order to increase its strength, with preservation of its design make, only overall dimensions are enlarged. Distinguishing features of the lock, specified in Claim 2 of the invention with respect to its fastening consisting in that instead of wood screws, screws 6 are used with the aid of wall 1 and rods 5 mounted in the wall, undoubtedly increase strength of lock fastening to door and simplify the process of lock installation on the door to possibility of making through holes in the door with the help of hand-operated drill. EFFECT: extended field of application and improved convenience in use. 2 cl, 2 dwg

Claims (1)

The invention relates to hardware, in particular, to locks with a mechanical code system for locking doors. The essence of the invention: opening from the inside is done by pressing on the bar 25 without breaking the code, in the presence of a code system for opening the key 11 for opening the door from the outside also has secrecy. This allows, at the request of the consumer, to turn off the code system by rearranging the ring from the inner side of the strip 25 to its outer side and using the lock as an ordinary key. The design of the castle also allows its use in office space. This is achieved by the possibility of fixed fastening of the external key 11 and the code key 13 with a lock using screws 28 and 30. When using the lock to lock garages, safes and storage rooms, while maintaining all the attributes of secrecy, its design can be simplified by eliminating a number of elements such as an internal key 10, spring 17, ring, strap 25, stand, screw. At the same time, in order to increase strength, it is possible, while maintaining the design, to increase only its overall dimensions. The distinctive features of the lock specified in paragraph 2 of the claims, in terms of fastening it instead of screws, screws 6 using the wall 1 and the rods 5 mounted therein, increase the strength of fastening the lock with the doors and at the same time simplify the process of installing it on the door so that the through holes in the door necessary for this purpose can be carried out using a drill and a hand drill.