Screw-nut screw transmission coupling with ball circulation

Details Screw-nut screw transmission coupling with ball circulation Screw-nut screw transmission coupling with ball circulation

1977-08-09

1979-02-13

Gerin, Leonard H.

Machine element or mechanism

Gearing

Directly cooperating gears

74459, F16H 118, F16H 5522

Patent

active

041389026

ABSTRACT:
A screw-nut screw transmission coupling with ball circulation of the type comprising a first elongated element and a second tubular element substantially coaxial to each other and with an external and an internal helical track respectively, is described. Said two tracks are disposed facing each other to define a helical rolling path for a plurality of balls disposed in mutual contact along said path and along a recirculation duct connecting the two ends of said path together, and said first element is constituted by an inner core and a metal strip wound in a cylindrical helix about and along said core, said strip being rigid with said core and having a cross-section which is concave outwards to define one of said helical tracks.

REFERENCES:
patent: 3186082 (1965-06-01), Ulrich, Jr., et al.

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