Wall corner finishing tool

作者: Frank E. Forselius , Kenneth Tarlow

DOI:

关键词: EngineeringStructural engineeringLiving hingePosition (vector)Intersection

摘要: A wall corner finishing tool includes a pair of plastic blades connected by living hinge. The proximal ends arcuate arms are hingeably to the back sides blades. curved toward each other so as overlap at their intersection. include longitudinal openings extending therethrough. handle is attached intersection screw extended through and into one end handle. When loosened, can be moved or away from adjust angle between positioned desired angle, tightened fix them in position. adjusted for corners great variety angles.

参考文章(3)
Gary L. Greene, George Spector, Adjustable drywall corner tool ,(1994)
John A. Estep, Jesse R. Sparrow, Outside-corner plastering tool ,(1992)