US PATENT SUBCLASS 69 / 37
.~ Rotary tool

Current as of: June, 1999
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69 /   HD   LEATHER MANUFACTURES

1  DF  MACHINES {22}
37.~ Rotary tool {6}
38  DF  .~.~> With tool grinder or cleaner
39  DF  .~.~> Rotating about vertical axis, horizontal work support
40  DF  .~.~> With additional translating motion during treatment
41  DF  .~.~> Belt-type work support
42  DF  .~.~> Cylinder work support {1}
44  DF  .~.~> Moving work support

DEFINITION

Classification: 69/37

Apparatus for the treatment of hides, skins or leather by the

use of a tool which is positively rotated about its own axis during contact with the hide, skin or leather worked upon.

(1) Note. The tool may be of any configuration such as a scraper, roll, brush roll, smooth roll, et cetera.

(2) Note. Machines having tools which are rotated solely by contact with the hide, skin, or leather being worked upon are not in this subclass, or indented subclasses, for which see the appropriate subclass below.

SEE OR SEARCH CLASS

29, Metal Working,

90.01+, for machines or processes for condensing, compacting, smoothing, or polishing the surface of metallic or nonmetallic articles, usually by rubbing with a smooth surface of greater hardness than that of the article being operated upon.

38, Textiles: Ironing or Smoothing, particularly

44+, and subclasses 100 and 101 for ironing and smoothing apparatus for use on textiles.