Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F16
ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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F16H
GEARING
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25/00
Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
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F16H25/18
for conveying or interconverting oscillating or reciprocating motions
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F16H25/24
Elements essential to such mechanisms, e.g. screws, nuts
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F16H25/2409
one of the threads being replaced by elements specially formed for engaging the screw or nut, e.g. pins, racks, toothed belts
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