Variable length shaft assembly with a lash bushing

Details Variable length shaft assembly with a lash bushing Variable length shaft assembly with a lash bushing

1993-08-31

1995-10-24

Stodola, Daniel P.

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

Coupling facilitates relative axial motion between coupled...

403359, 464 89, 464180, F16D 306

Patent

active

054605741

ABSTRACT:
A shaft assembly (10) has a first shaft (14) which extends along an axis (20) and a second shaft (16) which extends along the axis (20). The second shaft (16) extends into a hollow interior of the first shaft (14). The first and second shafts (14, 16) are axially movable relative to each other. A bushing (12) is located between the first and second shafts (14, 16) for allowing generally free axial movement between said first and second shafts (14, 16), and transmitting torque between the first and second shafts (14, 16). The bushing has flange segments (64) and tangs (66) for preventing axial movement of the bushing (12) relative to the first shaft (14). The bushing (12) also has wedge-shaped side portions (40) located in wedge-shaped gaps (138) defined by the first and second shafts (14, 16). The wedge-shaped side portions (40) are slidable under the influence of springs (38) radially along the gaps (138) to take up wear and to prevent lash between the first and second shafts (14, 16).

REFERENCES:
patent: 2466218 (1949-04-01), Farrell et al.
patent: 2737033 (1956-03-01), Bendall
patent: 3003339 (1961-10-01), Haushalter
patent: 4622022 (1986-11-01), Diffenderfer et al.
patent: 4667530 (1987-05-01), Mettler et al.
patent: 4705491 (1987-11-01), Andersson
patent: 4798268 (1989-01-01), Fargier et al.

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