(57) Locking device for swinging arm assemblies to windows, doors, shutters or the like,
where a casement (5), for instance a window casement, is pivotally suspended by two
mirror symmetrical similar swinging arm assemblies (6), comprising one in the one
frame plate (9) articulately attached blocking device (11), which blocking device
comprises a lock recess (12) arranged to cooperate with a protruding holding element
(13), and where the blocking device 11 is arranged to block the movement of the casement
(5) both outwards and inwards relative the frame (1) an where the holding element
(13) is arranged on an outer assembly arm (7), which assembly arm (7) is articulately
arranged in the casement (5). By that the blocking device (11) locks principally between
frame and casement, whereby a strong blocking function is obtained.
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