Abstract

The invention concerns a lock key whose blade signature (2) is made of interchangeable elements (22), each with a particular bitting, and which are mounted in series, one inside the other, on a shared central shaft (25) that is fixed in the manual gripping head of the key. At its free end opposite this head, said shaft is integral with an end element that bears a locksmith's signature specific to a particular production series of keys and corresponding cylinders. Between the head and the blade, there is a point base (13) that is integral with the head and does not have bitting. In point system flat keys, particularly those said to be symmetrical, guide ribs will be provided advantageously on said base, on the different interchangeable elements and on the end element of the shaft, to guide the blade into the corresponding lock cylinder.

IPC Classes  ?

• E05B 19/00 - KeysAccessories therefor
• E05B 19/02 - Construction of the shank of the key

Abstract

The invention concerns a device for coupling two half-cylinders (4) having a so-called European profile, in which two bars (6) each have a first end suitable for being fixed to one of the half-cylinders and a second end hooked to an intermediate connection part (8) that extends longitudinally between the half-cylinders, via hooking elements borne respectively by said connection part and by said second end of the bar. A plurality of engagement positions are provided, a bar and/or the connection part having, longitudinally, a series of said hooking elements so as to allow the longitudinal adjustment of the coupling between said bar and said connection part. Advantageously, the hooking elements are in the shape of notched means having a longitudinal series of cutouts (62) and ribs (64).

IPC Classes  ?

• E05B 9/04 - Lock casings or latch-mechanism casings of cylinder locks

Abstract

The invention concerns a lock key whose blade comprises axially a window (18) forming an opening throughout the thickness of the blade between two opposite faces thereof, and at least one roller (20) mounted on a spindle (22) fixed transversal to the window. The blade further comprises a plurality of indentations (24, 25) made in the thickness of the key. More particularly, it concerns security keys designed to cooperate with a pin tumbler cylinder.

IPC Classes  ?

• E05B 19/00 - KeysAccessories therefor
• E05B 27/00 - Cylinder locks with tumbler pins or balls that are set by pushing the key in