The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 10, 2002
Filed:
Mar. 16, 2000
Stig Frohlund, Hässleholm, SE;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
The present invention relates to an arrangement at a cellular mobile telephone apparatus ( ), comprising a protective hatch or flip ( ) pivotably arranged on a housing ( ) of said apparatus ( ). The flip ( ) is pivotable around an axis and arranged to at option physically cover at least parts of a front surface ( ) on said apparatus ( ), said axle comprises at least one active hinge means arranged in a cavity ( ) each, at the end of said housing ( ), of which at least one of said hinge means is aimed to positively urge said flip ( ) to take a certain predetermined open position, when released. The active hinge means ( ) comprise a shaft arrangement, colinear with said axis, comprising at least one unit ( ) built from an end piece ( ) and an elongated core ( ) fixedly connected thereto, around which core ( ) a torsion spring ( ) is arranged. The spring ( ) has at its respective ends fingers ( ) as counteracting parts for acting against a limit stop ridge ( ) in the housing, for allowing said spring ( ) to reach an equilibrium position corresponding to an open flip ( ) at 120-170° from said closed position.