US PATENT SUBCLASS 400 / 154.1
.~.~.~ Including selection of type-face

Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

139  DF  INCLUDING TYPE-SET-ASSEMBLAGE MOUNTED ON CARRIER AND RELATIVELY MOVABLE FOR SELECTION AND FOR IMPACT OF TYPE-FACE {11}
153  DF  .~ Imprint by movement of record-medium against type-face {3}
154  DF  .~.~ By hammer impacting record-medium against type-face on type-head (e.g., type shuttle, etc.) {3}
154.1.~.~.~ Including selection of type-face {8}
154.2  DF  .~.~.~.~> Via pulley and cord arrangement (e.g., summing displacements)
154.3  DF  .~.~.~.~> By shortest peripheral path
154.4  DF  .~.~.~.~> Via coded disc in electric or magnetic circuit (e.g, photoelectric)
154.5  DF  .~.~.~.~> Via stepping motor responsive to selection
155  DF  .~.~.~.~> Via electrical or electromagnetic means {1}
156  DF  .~.~.~.~> Via helical arrangement of projections
156.1  DF  .~.~.~.~> Via mechanically permutated bar(s), disc(s), or plate(s)
156.2  DF  .~.~.~.~> Via planetary gear arrangement {1}

DEFINITION

Classification: 400/154.1

Including selection of type-face:

(under subclass 154) Subject matter wherein the typewriter is provided with mechanism for selecting or choosing the particular type-face* that is to be impressed against the record-medium* by the movement of the record-medium toward the type-face.

SEE OR SEARCH THIS CLASS, SUBCLASS:

161.1, for selecting mechanism on a typewriter having a type-head* movable for imprinting.