Keylever Bearing Support View - IBM C-1 Customer Engineering Reference Manual

Electric typewriter
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MODEl Cl
CUSTOMER ENGINEERING
been slightly redesigned in order to improve their
o~
ration. These parts are not interchangeable with
previous model typewriters.
An 86 or 88 character keyboard is available. The
underscore is the only repeat/non-repeat letter key
provided as standard equipment and is available in
either position 39 or 41.
The keylevers are mounted in a redesigned key-
lever-bearing support and fulcrum on a heavier ful-
crum rod held by formed lugs in the keylever-bear-
ing support. The assembly is mounted to the side
frames and is adjustable in order to obtain proper
keylever to trip lever clearance (Figure 4).
'ij
\-CIiP
PiK,,'e
4.
Keylefler Bearing SII/Jpo,t
Each row of keylevers has a different restoring
spring. color coded for easy identification, to provide
uniform touch. The keylever locking bar is designed
so that all functional and letter keylevers except the
shift are locked when the switch is in the OFF po-
sition.
Redesign of the repeat letter keylever to eliminate
the spring-loaded plunger has caused the key lever
guide-comb to be redesigned. Plunger positions are
available for carriage return, tab, and backspace
. only.
Repeat/non-repeat letter key operation has
been altered by replacing the spring-loaded plunger
with a single piece keylever containing an elongated
8

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