Rolling-member worm-drive

Details Rolling-member worm-drive Rolling-member worm-drive

1995-09-19

1997-09-09

Marmor, Charles A.

Machine element or mechanism

Gearing

Directly cooperating gears

74459, F16H 2522

Patent

active

056644590

ABSTRACT:
A rolling-member worm-drive (10) comprises a spindle and a nut element (12) surrounding the spindle, where the spindle and the nut element (12) between them establish a helical rolling-member screw path, where in addition this rolling-member screw path is completed by an axial rolling-member return path, contained in the nut member, to a closed rolling-member circulation path in which an endless row of rolling-members travels, where in addition two rolling-member diverting elements (26) are arranged on the nut element (12) for transfer of the rolling-members between the rolling-member screw path and the rolling-member return path and between the rolling-member return path and the rolling-member screw path, and where at least one of the rolling-member diverting elements (26) is held on the nut member (12) by means of a securing element (36). In the rolling-member worm-drive according to the invention, the securing element is a securing ring (36) designed physically separate from the rolling-member diverting element (26).

REFERENCES:
patent: 2425938 (1947-08-01), Hoover
patent: 3512426 (1970-05-01), Dabringhaus
patent: 4070921 (1978-01-01), Arnold
patent: 4211125 (1980-07-01), Benton
patent: 4357838 (1982-11-01), Blaurock et al.
patent: 4864883 (1989-09-01), Mayfield
patent: 5373755 (1994-12-01), Rohlinger

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