US PATENT SUBCLASS 16 / 28
.~.~ Pivoted

Current as of: June, 1999
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16 /   HD   MISCELLANEOUS HARDWARE

18 R  DF  CASTERS {20}
24  DF  .~ Ball {2}
28.~.~ Pivoted

DEFINITION

Classification: 16/28

(under subclass 24) Casters in which the balls are pivoted in the caster-frames with or without antifriction means.