Cycloid transmission assembly

Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position

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Details

74801, F16H 132

Patent

active

045949158

ABSTRACT:
A cycloid transmission comprises a shaft having at least two eccentrics thereon, and a corresponding number of cycloid discs co-operating with respective ones of the eccentrics, with the shaft being mounted in a floating condition in the cycloid discs. The cycloid discs have raised portions at their outer radial peripheries, formed by a closed cycloid curve configuration, the raised portions engaging with rolling members carried by an outer ring member which may also form an outer casing of the assembly. Disposed on both axial sides of the cycloid discs are drive discs which support respective axial ends of drive pins that extend through bores in the cycloid discs. The outer ring member is supported on a bearing disposed at the outer periphery of the drive discs.

REFERENCES:
patent: 128352 (1872-06-01), Andrews
patent: 1641766 (1927-09-01), Laukhoff
patent: 1694031 (1928-12-01), Braren
patent: 3534636 (1970-10-01), Lorence
patent: 4177695 (1979-12-01), Grove
patent: 4271726 (1981-06-01), Ryffel
patent: 4297920 (1981-11-01), Richter
patent: 4348918 (1982-09-01), Fukui
patent: 4471672 (1984-09-01), Butterfield

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