Cycloidal drive

Details Cycloidal drive Cycloidal drive

1979-06-25

1981-01-20

Staab, Lawrence J.

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

74570, 74602, 100282, F16H 3712

Patent

active

042455162

ABSTRACT:
A cycloidal type drive for mechanical welding presses, automation systems and similar production type apparatus which requires mid-stroke slow down. The drive comprises an internal sun gear, a concentric bull gear, an idler gear shaft eccentrically supported by the bull gear and carrying idler gears one of which meshes with the sun gear, primary eccentrics secured to the bull gear and rotatably supporting eccentric gears, said idler gears meshing with said eccentric gears, secondary eccentrics secured to the eccentric gears, and means connecting said secondary eccentrics to a driven member. The bull gear shaft may be rotatably supported at both ends and only one primary gear assembly is needed.

REFERENCES:
patent: 2199625 (1940-05-01), Fiala-Fernbrugg
patent: 2515616 (1950-07-01), Thomas
patent: 2642937 (1953-06-01), Hallden
patent: 2822696 (1958-02-01), Staecker et al.
patent: 3468173 (1969-09-01), Fracke
patent: 3559767 (1971-02-01), Gervais
patent: 3886805 (1975-06-01), Koderman
patent: 3921465 (1975-11-01), Hosoda et al.
patent: 3956942 (1976-05-01), Seki et al.
patent: 3960024 (1976-06-01), Mori et al.
patent: 3971261 (1976-07-01), Matsushita
patent: 4020708 (1977-05-01), Obra
patent: 4022082 (1977-05-01), Uchimoto
patent: 4089228 (1978-05-01), Obra
patent: 4095522 (1978-06-01), Drungil

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