Land vehicles – Wheeled – Running gear
Patent
1998-05-04
2000-03-14
Dickson, Paul N.
Land vehicles
Wheeled
Running gear
74493, B62D 118
Patent
active
060362286
ABSTRACT:
A steering column including a mast jacket pivotable up and down for vertical adjustment and variable lengthwise for horizontal adjustment and a clamp for releasably capturing the position of the steering column. The clamp includes a stationary bracket, a first rack lever and a second rack lever each pivotally supported on the stationary bracket and linked to the mast jacket by a drive lug, and a pair of lock shoes supported on the stationary bracket for linear translation and pivotal movement. An intermediate link between the lock shoes and a manual control lever thrusts the lock shoes linearly toward a cam on the stationary bracket concurrent with pivotal movement of the control lever toward a locked position. The cam pivots the lock shoes concurrent with linear translation to wedge the lock shoes against respective ones of the rack levers with toothed racks on the rack shoes meshing with toothed racks on the rack levers to capture the position of the mast jacket by immobilizing the rack levers. Resilient thrust on the intermediate link in an over-center position thereof relative to the control lever retains the control lever in its locked position.
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patent: 5524927 (1996-06-01), Toussaint
Olgren Leland Nels
Piziks Indulis H.
Tinnin Melvin Lee
Anderson Edmund P
Dickson Paul N.
Fleming Faye M.
General Motors Corporation
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