hyperoid axle

hyperoid axle

[′hī·pə‚rȯid ′ak·səl]
(mechanical engineering)
A type of rear-axle drive gear set which generally carries the pinion 1.5-2 inches (38-51 millimeters) or more below the centerline of the gear.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.