US PATENT SUBCLASS 351 / 146
.~.~.~.~ Sleeve or bushing

Current as of: June, 1999
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351 /   HD   OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING

41  DF  SPECTACLES AND EYEGLASSES {29}
140  DF  .~ Connectors {3}
142  DF  .~.~ Strap type {8}
145  DF  .~.~.~ With cushion around lens screw or bolt {1}
146.~.~.~.~ Sleeve or bushing

DEFINITION

Classification: 351/146

Subject matter under suclass 145 wherein the cushioning material constitutes a preformed bushing or sleeve which is pressed into the fastening hole of a lens or into the screw holes in the strap arms to prevent any play between the mounting and the lens.

SEE OR SEARCH THIS CLASS, SUBCLASS:

110, for rimless lens-type mountings.

SEE OR SEARCH CLASS

411, Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener,

531+, for washers of general utility.