Telescopic drive shaft

Details Telescopic drive shaft Telescopic drive shaft

1979-09-27

1982-01-19

Lazarus, Ira S.

F16D 306

Patent

active

043110274

ABSTRACT:
A telescopic drive shaft is formed of a tubular outer shaft member and an inner shaft member axially displaceable within the outer shaft member. At least one cross bore extends through the inner shaft member at right angles to the axis of the outer shaft member. Grooves are formed in the inner surface of and extend in the axial direction of the outer shaft member. Roll bodies, such as balls or rollers with cylindrical rolling surfaces, are positioned within the cross bores with adjacent roll bodies in surface contact with one another and with the surface of the cross bore. Each cross bore has a roll body extending outwardly into rolling contact with the surface of the groove in the outer shaft member.

REFERENCES:
patent: 1508653 (1924-09-01), Flick
patent: 2800004 (1957-07-01), Schroter
patent: 2992548 (1961-07-01), Walterscheid-Muller
patent: 3001387 (1961-09-01), Schultz
patent: 3663046 (1972-05-01), Reiner et al.
patent: 3797276 (1974-03-01), Orain
patent: 4156354 (1979-05-01), Krude

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