Patent ID: 7586058

Claim:
A chimney for an arc hood assembly of an electrical switching apparatus including a housing and a number of arc chute vents structured to exhaust arc gases from said housing, said arc hood assembly including a body having a first side facing said housing, and a second side disposed opposite the first side, the first side including a number of apertures, said chimney comprising: a base structured to be disposed at or about a corresponding one of said number of arc chute vents; a duct structured to extend outwardly from said base and through a corresponding one of said number of apertures; and a plurality of resilient protrusions structured to movably couple said chimney to the first side of said body at or about said corresponding one of said number of apertures, wherein, when said arc gases are exhausted from said corresponding one of said number of arc chute vents, said duct is structured to receive said arc gases and direct them into said body of said arc hood assembly, and wherein said resilient protrusions are structured to bias said base toward engagement with said housing at or about said corresponding one of said number of arc chute vents, in order to resist said arc gases being undesirably discharged between said base and said housing.