Patent ID: 6553673
Filing Date: 2003-04-29
Classification: B26B

Abstract:
A knife comprising:a casing (2) and a blade (6) which can have two positions, an extended position in which the blade (6) projects outside the casing (2) and a retracted position in which the blade (6) is disposed integrally within the casing (2); a blade carrier (4) to which is connected the blade (6); a housing (3) on which is slidably mounted said blade carrier (4) that is removably mounted within the casing (2); a finger piece-pusher (7) slidably mounted on the casing so as to move forwardly said blade carrier (4) so as to place the blade in a cutting position; return springs (8, 11) for returning said blade carrier (4) and finger piece-pusher (7) to the retracted position; and disconnectable means (7b, 16, 17) for securing the finger piece-pusher (7) and the blade carrier (4) together to place the blade in the extended position, said disconnectable means being uncoupled by conjoint action of rotation and extraction of the blade carrier (4) relative to the finger piece-pusher (7), following a cutting action.