US PATENT SUBCLASS 359 / 826
.~.~.~.~.~ Sliding barrels

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

642  DF  LENS {32}
811  DF  .~ With support {6}
819  DF  .~.~ Lens mounts {6}
822  DF  .~.~.~ Adjustable {1}
823  DF  .~.~.~.~ With axial adjustment (e.g., adjustable focus, etc.) {3}
826.~.~.~.~.~ Sliding barrels

DEFINITION

Classification: 359/826

Sliding barrels:

(under subclass 823) Subject matter wherein there are at least two cylindrical tubes, one of which fits and slides in

an axial direction partially inside other.

(1) Note. Excluded from this subclass are barrels which are threaded.