Patent ID: 6145258
Filing Date: 2000-11-14
Classification: F23J,F23L

Abstract:
A removable, self-locking chimney cap device for covering an end of a chimney or a venting system, said chimney cap device comprising a stationary member and a removable member removably mountable to said stationary member, said stationary member comprising a base plate portion adapted to be secured to said chimney or venting system end and defining an opening, a first tubular portion mounted to said base plate portion around said opening, said removable member comprising a second tubular portion adapted to slide over said first tubular portion and a cap portion mounted to said second tubular portion, said first and second tubular portions comprising a pin member and a corresponding bayonet slot adapted to receive said pin member, whereby when said second tubular portion slides over said first tubular portion, said pin member is received by said bayonet slot and locks said removable member with said stationary member.