Patent ID: 8166599

Claim:
An articulated link duster support frame comprising: a base; a working region connected to the base and adapted to support a dusting member, said working region comprising at least one link pivotally secured to said base by a joint, said joint comprising at least two ears, at least one tab located between said ears, and a fastener installed in respective aligned apertures of said ears and said at least one tab; wherein said ears project outwardly from one of said base and said at least one link, and said at least one tab projects outwardly from the other of said base and said at least one link; and, wherein said fastener comprises a threaded fastener comprising a head, said fastener threadably engaged in the aperture of only an outermost one of said ears that is spaced farthest from said head of said fastener such that: (i) said fastener is rotated in a first direction relative to said ears to increase frictional engagement between said ears and said at least one tab; and, (ii) said fastener is rotated in a second direction relative to said ears to decrease frictional engagement between said ears and said at least one tab; wherein said aperture of said outermost ear is reduced in diameter as compared to said aperture of each other ear and said aperture of each tab.