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US 8,498,102 B2Granted
Rotatable coupling mechanism
AssigneeResearch In Motion Limited
InventorsMartin Earl Holman, IV, Bruce Alan Ivanik, Douglas Wayne Moskowitz
Life of this patent
Estimating the term…
Abstract
A rotatable coupling mechanism includes an annular base member and a first annular member. A second annular member is mechanically coupled to the annular base member. A resilient member is disposed between the first annular member and the second annular member.
Claims20
A rotatable coupling mechanism comprising:
- an annular base member with an annular inner portion and an annular outer portion circumscribing the annular inner portion, the annular outer portion with a first undulating surface that comprises a set of alternating peak regions and valley regions;
- a first annular member that is movable in an axial direction with respect to the annular base member;
- and
- a second annular member that is mechanically coupled to the annular base member.
1 more element
A portable electronic device comprising:
- a first portion;
- a second portion;
- and
- a rotatable coupling mechanism coupled to the first portion and the second portion, the rotatable coupling mechanism comprising:
- an annular base member with an annular inner portion and an annular outer portion circumscribing the annular inner portion, the annular outer portion with a first undulating surface that comprises a set of alternating peak regions and valley regions;
- a first annular member that is movable in an axial direction with respect to the annular base member;
- and
- a second annular member that is mechanically coupled to the annular base member.
5 more elements
A rotatable coupling mechanism comprising:
- an annular base member comprising an undulating outer portion circumscribing an annular inner portion;
- a first annular member that is movable in an axial direction with respect to the annular base member, the first annular member comprising a flanged region;
- and
- a set of rollers disposed between a bottom surface of the flanged region of the first annular member and a top surface of the undulating outer portion of the annular base member.
1 more element
Dependencies are inferred from the claim text.