Patent ID: 7686612

Claim:
A rotary kiln seal assembly comprising: a) a plurality of independent circular ring segment assemblies forming a circle around a rotating drum, each segment pivotal and translatable about a stationary mounting pin, portions of the segment assemblies maintaining contact with the rotating drum, each said ring segment assembly further comprising: i) a circular ring segment mounting plate having upper and lower radial edges, sides and front and rear faces; ii) a vertical slot centrally located relative to the sides and a longitudinal slot extending inwards from one side and a tang portion extending outwards from the opposite side; a plurality of individual sealing members attached to the mounting plate comprising a metal wear bar having a circular ring segment shape with a perpendicular plate attached at each end, and a plurality of friction blocks removable clamped to the front face of the mounting plate; iii) a plurality of elongated nuts having an external groove removably attached to the front face of the mounting plate adjacent each end; iv) a detachable cover plate having an “L” shape attached to the front face of the mounting plate in a manner whereby a portion of the cover plate covers and extends beyond the tang portion of the mounting plate; v) a plurality of clamping bars engaging the friction blocks having a perpendicular stop member and means for attachment to the front face of the mounting plate; and vi) a pin assembly comprising a threaded bolt, a first and second spacer, a ball bearing assembly, and a threaded nut, the bearing assembly translatable within the vertical slot; and b) a means for maintaining the segment assemblies in an interactive relationship and in self adjusting alignment relative to each other; and c) a biasing means connecting each of the segment assemblies to adjacent segment assemblies.