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Transmission through closed wall with bar mechanism

Input: orange shaft having an oblique (15 deg.) pivot and rotating regularly.

Output: blue shaft rotating regularly. Transmission ratio: 1.

Grey disk has revolute joint with the orange shaft and spherical joint with the blue shaft.

Purpose of 3 pins (in glass) is to show that the grey disk can be kept not to rotate together with the orange shaft. So it is possible to put a flexible tube connecting the grey disk and the glass wall

thus to perform the transmission through closed wall on which the right bearing is fixed (see the sketch).

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