The lock case in the embodiment of my invention shown in the drawings is the usual door knob which, as is often the custom in connection with door locks at the present time, is adapted to contain the usual pin tumbler locking mechanism by which the lock or latch bolt 10' may be ...
1559037Lock1925-10-27 0261233N/A1882-07-18 Description: This invention relates to door locks and more particularly to a lock designed to be used in connection with a front door of a building or dwelling, although it will be understood that the principles of the invention may be applied to...
10 in exactly the method of the prior art. Rotation of key 34 turns cylinder 42 in cylinder lock 32 which operates a tail (seen in FIG. 3) located inside opening 40. Rotation of the key 34 in one direction causes the deadbolt 44 to be extended and locks the mortise lock 10. ...
locks, such as common electronic components and mechanical components. As a result, in order to meet fire rating standards for electronic locks installed on fire doors, it has heretofore been necessary to construct the lock housing of metal or other relatively expensive non-flammable, high ignition...
This invention relates to locks, and more particularly to a lock of cylindrical form which may be employed in any relation in which a keyoperated lock is desired. Locks of this type very often employ so-called pin tumblers in that they are provided with sectional pins extending transversely.....
This invention relates to locks, and while applicable to other kinds of locks, it is illustrated as applied to a night latch which is adapted to be operated from one side by a thumb turn and from the other side by a key. Also as illustrated, the improvements are applied to what is ter...
This invention relates to door locks or latches, and more particularly to a door fastener which may be provided with a so-called latch bolt or a dead bolt, and which may be mounted in the door in bored openings, thus eliminating a considerable amount of labor necessary to form the usual...
This invention-relates to door locks or latches, and more particularly to a lock for a front door of a building, although it will be understood that it may be employed in any location in which is desired a lock having the characteristics embodied in the present structure. ...
For this reason, certain safe deposit box locks have been made in such a manner that the position of the gatings in the tumblers operated by the renter's key is changeable, so that the position of the gatings may be adjustably set to be opened by a different renter's key. The typica...
(e.g., toward the disengaged position). In this manner, the lockout locks the pawl in the engaged position, maintaining a secure connection between the pawl and the rod170. Once the lockout706is in the locking position with the pawl in the engaged position, the pawl may be held in the...