Patent ID: 6789848
Filing Date: 2004-09-14
Classification: A47C,Y10T

Abstract:
An articulation mechanism comprising:a central part and a head part, wherein the head part and the central part each are comprised of a pair of shaped elements forming a socket; wherein a first one of the pairs of shaped elements is configured as inner shells and a second one of the pairs of shaped elements is configured as outer shells, wherein the inner shells are positioned inside the outer shells; wherein the first and second pairs of shaped elements are pivotable relative to one another and lockable relative to one another in several positions in a first pivot direction of the head part; wherein the outer shells have inwardly oriented projections; wherein the inner shells have openings; a slide moveably arranged inside the inner shells; wherein the slide has locking members in the form of teeth projecting through the openings of the inner shells and engaging intermediate spaces of the projections of the outer shells; a spring acting on the slide in an engagement direction of the locking members relative to the projections; wherein the projections are shaped such that the locking members automatically reach a locking position in the first pivot direction of the head part.