| 摘要 |
A rack and pinion steering gear assembly comprising an output member to effect steering, a manually rotatable input shaft and a variable ratio steering mechanism interposed between the input shaft and the output member with the steering mechanism comprising a rack connected to the output member, a pinion meshing with the rack connected to the input shaft and rotatable to cause longitudinal movement of the rack. The pinion is slidable axially along its axis of rotation upon the application of torque thereto and biasing means controls the axial displacement to thereby vary the effective mechanical ratio between the rack and pinion.
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