Patent ID: 8590350

Claim:
A locking mechanism for a casing, comprising a base plate ( 5 ) attached to a door ( 30 ) of the casing; a latch member ( 2 ) slidably connected to the base plate ( 5 ), said latch member comprising a substantially L-shaped cutout comprising a longitudinal slot ( 2 b ) and a lateral slot ( 2 c ); at least one spring ( 4 ) disposed between the base plate ( 5 ) and the latch member ( 2 ); a rotatable locking member ( 1 ); a pin ( 1 b ) connected eccentrically to the rotatable locking member ( 1 ), the pin ( 1 b ) being arranged to engage the substantially L-shaped cutout of the latch member ( 2 ); and an access opening ( 6 ) in the door ( 30 ) of the casing providing access to the latch member ( 2 ), the access opening being secured by a breakable barrier ( 3 ), wherein the latch member ( 2 ) is pushed into a locked position by the at least one spring ( 4 ) when the pin ( 1 b ) is positioned within the longitudinal slot ( 2 b ), and wherein the latch member ( 2 ) can be moved longitudinally into an unlocked position by either manual movement of the latch member ( 2 ) after breaking the barrier while the pin remains in the longitudinal slot ( 2 b ) or by rotation of the rotatable locking member ( 1 ), causing the pin ( 1 b ) to slide sideways within the lateral slot ( 2 c ) while moving the latch member ( 2 ) longitudinally.