PURPOSE: To prevent disengagement even at the time of oscillation and shock in a wall type fixation bracket for detachably fixing equipment to a vertical surface by surely locking the equipment to the fixation bracket.

CONSTITUTION: The fixation bracket is provided with a claw 2 supporting equipment, a lock lever 12 engageable with the equipment, a tongue piece 16 arranged correspondingly to a leading end of the lock lever 12, a lever fixing screw 18, which can be screwed with the lock lever 12 while being provided on the tongue piece 16. The lock lever 12 is engaged with the equipment while supporting it. The screw is screwed with the lock lever 12 for locking the supporting state of the equipment. In order to demount the equipment, the screw is released for disengaging the lock lever 12 with the equipment.