Twist hook lock for joining sheet metal to circuit boards - has hooked tongue with side supports tool twisted to lock in holding position

摘要

Hook and support arrangement is for joining and supporting metal casing and a circuit board, or similar. The locking arrangement is by slight deformation of a plastics hook. The hook (2) is at the end of a plastics twist pillar (9) directly connected to the steel sheet casing (1). The hook end (2) and a fixed upright (4) slot (7) through the circuit board (6) to rest on main body (8) of the sheet metal casing (1). A twist tool (11) is located in the slot (10) between the hook section (9,2) and the fixed upright (4) and given a twist arrow (12) to lock the hook (2) on the underside of the circuit board (6). The tool (11) used for twisting the hook (2) into the lock position can be simply a screwdriver.