| 摘要 |
Pinion-crown gear unit for precision cogs for the transmission of rotational movements at low speeds from the driving pinion (2) to the crown gear (1) whereon a device (3) has been installed to orient it angularly, the gearing thereof comprises a trough (4) of semi-circular geometry for the meshing of a plurality of rotating axles (5), of the same diameter as the crown gear (1) trough (4), mounted transversally on the periphery of the pinion (2), so that there are always three axles (5) in contact with the crown gear (1).
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