Rotatable and vertically adjustable single-column presentation stand
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United States of America Patent
Stats
-
Feb 24, 1987
Grant Date -
N/A
app pub date -
Oct 28, 1985
filing date -
Nov 14, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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.
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