US PATENT SUBCLASS 440 / 12.6
.~.~.~.~ Bevel gearing

Current as of: June, 1999
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440 /   HD   MARINE PROPULSION

12.5  DF  SELF-PROPELLED VEHICLE HAVING LAND AND WATER PROPULSION MEANS (E.G., AMPHIBIOUS VEHICLE) {5}
12.51  DF  .~ Having separated propulsion means for land and water {4}
12.57  DF  .~.~ Motor driven screw propeller shaft {2}
12.59  DF  .~.~.~ By gearing {2}
12.6.~.~.~.~ Bevel gearing

DEFINITION

Classification: 440/12.6

Bevel gearing:

(under subclass 12.59) Subject matter wherein the toothed wheel, cylinder, or other machine element has teeth cut into a conical surface located at an angle to the rotational axis of the wheel, cylinder, or other machine element that mesh

with the another toothed wheel, cylinder, or machine element.

SEE OR SEARCH CLASS

74, Machine Elements and Mechanisms, appropriate subclasses for a bevel gearing arrangement, per se.