| 摘要 |
AN ARRANGEMENT IS PROVIDED IN CONNECTION WITH A CELLULAR MOBILE TELEPHONE (1), HAVING A PROTECTIVE HATCH OR FLIP (F) PIVOTABLY ARRANGED ON A HOUSING (2) OF THE TELEPHONE. THE FLIP IS PIVOTABLE AROUND AN AXLE (8) AND IS ARRANGED TO BE ABLE TO PHYSICALLY COVER AT LEAST PARTS OF A KEYPAD (5) ON THE TELEPHONE. THE AXLE (8) INCLUDES PASSIVE HINGES AT ITS ONE END FOR ESTABLISHING A PHYSICAL PIVOTABLE CONNECTION ALONG AN AXIS OF PIVOT FOR THE FLIP (F), AND AN ACTIVE HINGE ARRANGEMENT AT ITS OTHER END FOR POSITIVELY URGING THE FLIP (F) TO OCCUPY AT LEAST ONE PREDETERMINED POSITION. THE ACTIVE HINGE ARRANGEMENT IS ARRANGED IN A SUBSTANTIALLY CLOSED COMPARTMENT OR CAVITY AT ONE END OF THE HOUSING AND IS FORMED FROM A SHAFT (11) AND A COMBINED TORSION/PRESSURE SPRING ARRANGED THEREON. THE SPRING (15) HAS AT ITS RESPECTIVE ENDS, FINGERS (19, 20) ACTING AS COUNTERACTING PARTS OF A TORSION SPRING (15) FOR POSITIVELY URGING THE FLIP (F) FROM A CLOSED AND LOCKED POSITION COVERING THE KEYPAD (5), TO AN OPEN USE .POSITION AT APPROXIMATELY 120°-170° FROM THE CLOSED POSITION AFTER RELEASE OF THE LOCK. THE SPRING (15) ALSO INCLUDES PRESS SURFACES AFFECTED BY A CAM FOLLOWER ARRANGEMENT (18), THEREBY OBTAINING A NON-DESTRUCTIVE OVERRIDE FUNCTION FOR THE FLIP (F). (FIGURE 2) |
