Screw-nut screw transmission coupling

Details Screw-nut screw transmission coupling Screw-nut screw transmission coupling

1976-08-12

1978-02-21

Gerin, Leonard H.

Machine element or mechanism

Gearing

Directly cooperating gears

74459, F16H 118, F16H 120, F16H 5522

Patent

active

040745872

ABSTRACT:
A screw-nut screw coupling in which a tubular element provided with an inner helical groove is coupled to an elongate member provided with an outer helical groove by means of a number of balls mounted for rolling along an helical path defined by said helical grooves and forming a portion of an endless path for said balls to roll there along, said tubular element being formed by at least two co-axial tubular sleeves rigidly connected to one another, one of said sleeves being arranged outside the other and being provided with groove means defining a portion of the endless path and communicating with said helical path via at least one hole provided through the inner sleeve.

REFERENCES:
patent: 2891414 (1959-06-01), Gillum
patent: 3081644 (1963-03-01), Hudgens et al.
patent: 3643522 (1972-02-01), Fullam
patent: 3731546 (1973-05-01), MacDonald
patent: 3791232 (1974-02-01), Helmer

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