Patent ID: 7204534
Filing Date: 2007-04-17
Classification: G08B,Y10T

Abstract:
1. A method of maintaining a smoke detector comprising: providing a smoke detector having a base plate for mounting to a wall or a ceiling, a housing, and an asymmetrical slot fixed with respect to the housing; providing a smoke-detector changing device having a base piece with an assembly slot, a crosspiece having an assembly tab for insertion into the assembly slot, and an attachment component attached to either the base piece or the crosspiece for the attachment of the changing device to a pole, wherein either the base piece or the crosspiece or the combination of the base piece and the crosspiece forms an asymmetrical insertion tab configured to fit into the asymmetrical slot; inserting the asymmetrical insertion tab into the asymmetrical slot and engaging the changing device with the smoke detector; and twisting the changing device to disengage or engage the housing from or to the base plate.