US PATENT SUBCLASS 29 / 441.1
.~.~.~.~ Of sphere, i.e., ball, in socket

Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
428  DF  .~ Assembling or joining {21}
434  DF  .~.~ Retaining clearance for motion between assembled parts {3}
437  DF  .~.~.~ By deforming interlock {5}
441.1.~.~.~.~ Of sphere, i.e., ball, in socket {2}
441.2  DF  .~.~.~.~.~> Ball point pen making
442  DF  .~.~.~.~.~> Allowing assembled sphere to move in single plane only

DEFINITION

Classification: 29/441.1

Of sphere, i.e., ball, in socket:

(under subclass 437) Process wherein the first part has a spherical surface which is inserted in a cavity in the second or receiving part comprising deforming the receiving part to

confine the spherical surface within the cavity while permitting relative movement of the parts.