| 摘要 |
The wrist support is for use with an office machine with a keyboard such as a calculator, etc. It has a base plate (16), in relation to which a support strip (12) is adjustable for height by one or more rotary components (14) coupled to the base plate and screwing in and out of the strip. - The latter can be oblong and of plastics, while the rotary component can have an externally threaded portion with a wheel fixed at one end, working in a tapped hole in the strip and passing through it from top to bottom. The rotary components may be secured against accidental loosening in the strip.(1/8)
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