US PATENT SUBCLASS 400 / 687
.~.~ Having nonimpact movement


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

679  DF  MEANS AUXILIARY TO TYPEWRITING FUNCTION {12}
686  DF  .~ Buffer (e.g., dashpot, of particular material, etc.) for movable typewriter element {1}
687.~.~ Having nonimpact movement


DEFINITION

Classification: 400/687

Having nonimpact movement:

(under subclass 686) Subject matter wherein the elements are caused to contact one another with a motion that is gradual

rather than sudden.

(1) Note. The function* of this buffer is to provide for silent operation and to reduce the degree of wear on the parts due to impacting of the elements against each other.