US PATENT SUBCLASS 400 / 124.21
.~.~.~.~.~ With biasing means

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

118.2  DF  TYPING BY OTHER THAN TYPE-FACE OR TYPE-DIE {3}
124.01  DF  .~ Character formation by impact (e.g., wire matrix) {4}
124.11  DF  .~.~ Printhead {6}
124.14  DF  .~.~.~ With actuator {3}
124.17  DF  .~.~.~.~ Actuator having electromagnet {3}
124.21.~.~.~.~.~ With biasing means {1}
124.22  DF  .~.~.~.~.~.~> Backstop

DEFINITION

Classification: 400/124.21

With biasing means:

(under subclass 124.17) Subject matter including resilient means acting to move the impact members against the force exerted by the magnetic* field.