US PATENT SUBCLASS 400 / 320
.~.~ For carriage on which a type-head-carrier is mounted

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

283  DF  CARRIAGE OR CARRIAGE-MOVING OR MOVEMENT-REGULATING MECHANISM {11}
319  DF  .~ Carriage-feed mechanism (e.g., escapement, etc.) {14}
320.~.~ For carriage on which a type-head-carrier is mounted {1}
320.1  DF  .~.~.~> With concurrent movement of carriage for record-medium and carriage for type-head-carrier

DEFINITION

Classification: 400/320

For carriage on which a type-head-carrier is mounted:

(under subclass 319) Subject matter wherein the carriage* supports a type-head-carrier* for movement of both the carriage and the type-head-carrier in said direction that enables the character* symbols to be imprinted in succession (i.e., the character-space* direction).

(1) Note. As discussed in the Glossary, section III, under the definition of carriage, in some typewriters the record-medium* is held by a platen* that is mounted on a "platen carriage" that is moved in said direction (i.e., the character-space direction) thereby moving the record-medium for character-space and word-space* distances.

In the typewriter of this subclass the record-medium does not move during the imprinting of characters symbols. Instead the type-face* elements are impacted against a record-medium at a different print-point* for each character. The type-face elements are on a type-head* that is mounted on a type-head-carrier that is supported on a "type-head carriage" that moves relative to the stationary record-medium, thereby

moving the successively impacted type-faces for character-space and word-space distances.