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Related to knuckle joint: Cotter Joint
knuckle joint[′nək·əl ‚jȯint]
A hinge joint between two rods in which an eye on one piece fits between two flat projections with eyes on the other piece and is retained by a round pin.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
curb joint, Brit. curb roll, knuckle joint
The horizontal joint that occurs at the intersection of the two slopes of a curb roof.
1. See curb joint.
2. A type of hinged joint between two rods.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.