Patent ID: 6314775
Filing Date: 2001-11-13
Classification: A45C,E05B,Y10T

Abstract:
Flat key having a grip element (2) and a key bit (3), the grip element (2) including a casing (4) and the key bit (3) being arranged in a manner enabling said key bit (3) to be moved into and out of the grip element casing (4) and to be fixed in one of a first or a second extreme positions, and incorporating the following features:a) the key bit (3) is mounted in the grip casing (4) in an axially displaceable manner;b) arranged in the grip element casing (4) is a spring (7), a first and second ends (8, 9) of which are each wound spirally around two holders (10, 11) arranged at a side of the key bit (3) and a central zone (12) of which is arranged on a support (13) for an end of the key bit (3) that is situated inside the grip element casing (4), thereby uncoiling and thus tensioning the spring (7) when the key bit (3) is being inserted into the grip element casing (4).