turning and height einsäulen - präsentierständer

摘要

The extension column (3) which is telescopically adjustable inside a vertical tube (2) and is optionally rotatable relative to the vertical tube (2) is supported on the latter by a radial and axial pivot bearing arrangement (11, 14) and a height-fixing device comprising a housing (16) and a coupling element (15) preferably in the form of a slide (15) which is supported on a bearing ring (14) which in turn sits on the bearing surface (13) of a support flange (11) supported by the vertical tube (2). The height-fixing slide (15) is mounted in a slide housing (16), which surrounds the bearing ring (14) and the support flange (11), and is against the restoring force of a return spring (27) transferable from a coupled position on the extension column (3) into a release position in which the extension column (3) is freely movable vertically.