Patent ID: 7218731
Filing Date: 2007-05-15
Classification: H04M

Abstract:
1. A locking arrangement for a cover structure of a portable terminal device of a telecommunication system, said cover structure comprising at least one frame part ( 14 ), a cover part ( 16 ) connected to the frame part that can be removed from the frame part by the user, and locking elements for attaching the cover part to the frame part, wherein the locking elements comprise, in the frame part and cover part, slide bars ( 50 , 51 ) and slide grooves ( 80 ) corresponding to each other, and that the slide grooves are provided with horns of a groove extending over the grooves in a transverse direction of the grooves, and the slide bars are provided with locking grooves, corresponding to the horns of a groove, the locking grooves extending over the slide bars in the transverse direction of the bars, into which the horns of a groove settle when the cover is in place in the frame part, wherein the slide bars include a wedge tip part in which the locking grooves have been formed.