US PATENT SUBCLASS 400 / 447
.~.~ Ball-and-socket bearing for type-bar (e.g., universal joint)


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

383  DF  TYPE-BAR-ACTION MECHANISM OR TYPE-FACE ON TYPE-BAR OR TYPE-FACE INKER {19}
441  DF  .~ Type-bar pivot support {10}
447.~.~ Ball-and-socket bearing for type-bar (e.g., universal joint)


DEFINITION

Classification: 400/447

Ball-and-socket bearing for type-bar (e.g., universal joint):

(under subclass 441) Subject matter wherein significance is attributed to the form of bearing that enables the type-bar* member to oscillate from its rest position to its print-point* position and return, the bearing including a spheroidal part that is partially enclosed in a concavity

that at least partially surrounds the spheroidal part.