US PATENT SUBCLASS 400 / 278
.~.~ Including limit screw

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

251  DF  CASE-SHIFT MECHANISM {14}
277  DF  .~ Including limit stop (e.g., block, chain, etc.) {1}
278.~.~ Including limit screw

DEFINITION

Classification: 400/278

Including limit screw:

(under subclass 277) Subject matter wherein at least one of said components is an elongated helically threaded member that is rotatable about an axis extending in its elongated dimension and is movable along its axis as it is rotated about its axis.