{HEAD ~ The hook portion} 74 has {TAIL ~ a rounded cam surface} 80 which will be engaged by the edge of the slotted portion 78 when the cover portion 30 is moved towards a closed portion thereby camming the lever in a clockwise direction as viewed in FIG 5 enabling the hook portion to engage a latching surface 82 of the front cover portion 30 thereby locking the cover portion in a closed position under the action of the spring member 68 
has
{ HEAD ~ The hook portion } 74 has { TAIL ~ a rounded cam surface } 80 which will be engaged by the edge of the slotted portion 78 when the cover portion 30 is moved towards a closed portion thereby camming the lever in a clockwise direction as viewed in FIG 5 enabling the hook portion to engage a latching surface 82 of the front cover portion 30 thereby locking the cover portion in a closed position under the action of the spring member 68
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