MANUAL DEVICE WITH TWO RETRACTABLE HEADS CARRIED BY A SINGLE CARRIAGE
A manual device (10) extending in an axial direction (X), comprising a housing (12) having a first housing portion (12AA) and a second housing portion (12BA), first and second heads (14A, 14B), each axially movable between a use position and a stowed position, the first head (14A) being in the stowed position when the second head (14B) is in the use position, whereas the second head (14B) is in the stowed position when the first head (14A) is in the use position, the first head (14A) and the second head (14B) both being carried by a single carriage (16) movable in the axial direction (X) and arranged inside a barrel (18), a groove forming a cam track being formed by a first shoulder (12AAB3) of the first housing portion and by a second shoulder (18C) of the barrel, a lug (17) of the carriage cooperating with the groove.