US PATENT SUBCLASS 56 / 15.7
.~.~.~ By resilient or universal-action hitch

Current as of: June, 1999
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56 /   HD   HARVESTERS

10.1  DF  MOTORIZED HARVESTER {16}
14.7  DF  .~ Including motorized vehicle causing transit of harvester {2}
14.9  DF  .~.~ With hitch permitting movement of harvester relative to vehicle {7}
15.7.~.~.~ By resilient or universal-action hitch {1}
15.8  DF  .~.~.~.~> For "floating" harvester

DEFINITION

Classification: 56/15.7

(under subclass 14.9) Machine wherein the means includes a yieldable portion or includes an attachment permitting movement of the structure in plural directions simultaneously.

(1) Note. This subclass provides for a harvester wherein vibrations that may be generated in one mechanism of a harvester will be damped so as not to be transmitted to another mechanism of the harvester, or for a harvester wherein an operating assemblage may be pivoted in a vertical plane extending laterally and may also be pivoted in a horizontal plane (e.g., in a "breakaway" cutter).

SEE OR SEARCH THIS CLASS, SUBCLASS:

10.4, for a harvester having "breakaway" mechanism, wherein retraction of a cutter assemblage is a direct result of the cutter assemblage meeting an obstruction to its movement, and such retraction is permitted by a universal-action hitch.