Manual and automatic conversion type folding mechanical device based on screw transmission and working method of manual and automatic conversion type folding mechanical device
The invention belongs to the field of folding mechanical transmission system structures, and particularly relates to a manual and automatic conversion type folding mechanical device based on screw transmission and a working method thereof.The device comprises a base, a driving device and a transvers...
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Format: | Patent |
Sprache: | chi ; eng |
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