Patent ID: 6321415
Filing Date: 2001-11-27
Classification: H04M,Y10T

Abstract:
Arrangement in a cellular mobile telephone apparatus, comprising a protective hatch or flip pivotably arranged on a housing of said apparatus, said flip being pivotable around an axle and arranged to physically cover at least parts of a keypad on said apparatus, said axle comprising passive hinge means at a first end for establishing a physical pivotable connection along an axis of pivot for the flip and active hinge means at a second end opposite the first end of the axle for positively affecting said flip to occupy at least one certain predetermined position, wherein said active hinge means is arranged in a substantially closed cavity at one end of said housing and is formed from a shaft and a combined torsion/compression spring arranged thereon, the combined spring having at respective first and second ends corresponding first and second fingers acting as counteracting parts of the torsion spring for positively urging the flip to pivot from a closed position covering the at least parts of the keypad to an open use position at approximately 120.degree.-170.degree. from said closed position, said spring also having press surfaces at the first and second spring ends to be affected by a cam follower arrangement coupled to one of the fingers for achieving a non-destructive override function for the flip.