Adjusting drive for axially adjustable steering columns in motor

Details Adjusting drive for axially adjustable steering columns in motor Adjusting drive for axially adjustable steering columns in motor

1993-02-18

1994-10-04

Braun, Leslie A.

Machine element or mechanism

Control lever and linkage systems

Hand operated

74122, 74422, 280775, B62D 118, F16H 2900

Patent

active

053515722

ABSTRACT:
The adjusting drive for axially adjustable steering columns in motor vehicles has a transmission between a drive unit mounted to rotate in a housing (2) secured to the body and a steering column tube (1) mounted to move axially in the housing. Gearing (5) is provided on the steering column tube extending in the axial direction. Gearing (8.1, 9.1) of the transmission engages with the steering column tube gearing. The gearing is provided as cycloidal gearing on two toothed racks (8, 9) whose gearing engages in the gearing on the steering column tube (1) out of phase with one another by half a tooth spacing, and which are movable eccentrically by the drive unit by a cam bearing (16, 17) out of phase by 180.degree..

REFERENCES:
patent: 2836988 (1958-06-01), Cashman
patent: 5027674 (1991-07-01), Nolte et al.
patent: 5029489 (1991-07-01), Burmeister et al.
patent: 5187994 (1993-02-01), Hirai et al.
patent: 5193848 (1993-03-01), Faulstroh

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