Telescopic guide, especially for transmittance of torque

Details Telescopic guide, especially for transmittance of torque Telescopic guide, especially for transmittance of torque

1986-01-06

1987-11-10

Stodola, Daniel P.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Coupling facilitates relative axial motion between coupled...

Coupler includes antifriction rolling body engageable with...

384 10, 384 49, 464180, F16D 306

Patent

active

047054913

ABSTRACT:
A telescoping torque transmitting shaft comprising a shaft having at least three longitudinally extending circumferentially spaced guide grooves and a sleeve axially slidably surrounding the shaft and having an inner counter groove opposite each guide groove. Torque is transmitted between the shaft and the sleeve by a row of balls for each guide groove, each ball being partially received in its guide groove and partially received in the counter groove opposite its guide groove. At least certain of the balls in one row are of resilient elastic material; all others are substantially harder. Bias imposed upon the shaft by the resilient balls, urging the shaft in one lateral direction relative to the sleeve, maintains every ball in torque transmitting contact with both the shaft and the sleeve, while the harder balls in the other rows, by such contact, maintain the elastic balls compressed for exerting such bias.

REFERENCES:
patent: 3183684 (1965-05-01), Zeidler
patent: 3797276 (1974-03-01), Orain
patent: 4254639 (1981-03-01), Teramachi
patent: 4311027 (1982-01-01), Krude
patent: 4509386 (1985-04-01), Kimberlin

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