| 摘要 |
The invention relates to apparatus for adjusting the angular position of one member relative to another, comprising means releasably lockably engageable with the one member therefor whereby the means is operable to lock and unlock the one member with respect to the another member. There is a remote actuating means for the means. The members may form the pedestal for supporting a seat which can be adjusted in height, angular position and tilt, and locked by the apparatus in a desired adjusted position which is particularly suitable for users with special needs.
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