US PATENT SUBCLASS 172 / 550
.~.~ Tooth or blade adjustable on carrier


Current as of: June, 1999
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172 /   HD   EARTH WORKING

518  DF  ROLLING, ROTATING OR ORBITALLY MOVING TOOL {30}
540  DF  .~ Tool has circumferentially spaced teeth, tines, blades or the like {13}
550.~.~ Tooth or blade adjustable on carrier


DEFINITION

Classification: 172/550

(under subclass 540) Apparatus wherein a tine, tooth, blade, or like projection is adjustable on a rotatable carrier means.

(1) Note. For the meaning of "adjustable" see the class definition.

(2) Note. A device disclosed as comprising a tool driven about a horizontal longitudinal axis and having adjustable teeth or blades is classified in subclass 109 even if the drive means is not claimed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

545+, for a rolling or rotating tool in which the blades or teeth change position during rotation.

549, for a rolling or rotating tool with plural, adjustable, positioned tine units on a single axle.