US PATENT SUBCLASS 475 / 272
.~.~ With preselection

Current as of: June, 1999
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475 /   HD   PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS

269  DF  WITH MEANS TO VARY DRIVE RATIO OR DISCONNECT DRIVE (E.G., BRAKE OR CLUTCH) {16}
271  DF  .~ Plural elements selectively braked {10}
272.~.~ With preselection

DEFINITION

Classification: 475/272

With preselection:

(under subclass 271) Subject matter including a first manual controller actuatable to select a desired speed ratio* and a second manual controller effective to engage the said desired speed ratio*.

SEE OR SEARCH CLASS

477, Interrelated Power Delivery Controls, Including Engine Control, wherein a second manual controller may be a motor control, such as an accelerator pedal.