| 摘要 |
An armrest arrangement for a seat comprises an armrest support pivotably supporting an armrest, with an adjusting and retaining assembly operatively disposed between the armrest and its support for parallel displacement of the armrest in respect of height, in any angular position of the support. The armrest support rotatably carries three gears which are in meshing engagement with each other, the first thereof being rotatably disposed at the mounting axis at which the armrest is connected to the armrest support. The support has a plurality of openings disposed at spacings from each other along an arcuate path which is concentric with respect to said mounting axis and the adjusting and retaining assembly comprises a retaining lever which is carried on said first gear and which is displaceable between a release position in which it only extends into an aperture in the first gear and an arresting position in which it extends through the aperture in the first gear and into a respective ones of the openings in the armrest support thereby to fix the first gear to the armrest support.
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