US PATENT SUBCLASS 400 / 573.1
.~.~.~ And resilient drive
Current as of:
June, 1999
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400 /
HD
TYPEWRITING MACHINES
545
DF
FOR LINE-SPACING BY INCREMENTAL ROTATION OF PLATEN
{15}
572
DF
.~ By pawl and ratchet wheel drive {3}
573
DF
.~.~ Including rectilinearly movable pawl {1}
573.1
.~.~.~ And resilient drive
DEFINITION
Classification: 400/573.1
And resilient drive:
(under subclass 573) Subject matter wherein the actuator is connected to the pawl* or to the ratchet* by way of a yieldable connection that enables a different extent of actuator movement than is imparted to the pawl by the actuator.