Patent ID: 7755024

Claim:
A safety sensing apparatus for use in a doorway having a powered door slidable for closure of the doorway, the apparatus comprising: a housing adapted to house at least one of a plurality of radiation transmitters for transmitting radiation across the doorway and a plurality of radiation receivers for receiving radiation transmitted across the doorway; an elongated fixing portion for releasably fixing the housing to one of the powered door and a frame of the doorway, the elongated fixing portion includes a first portion of a mating connection extending along a length thereof and is adapted to be mounted to one of the powered door and the frame; and a second portion of the mating connection included in the housing that is adapted to releasably engage the first portion of the mating connection such that when the elongated fixing portion is fixed to one of the powered door and the door frame the housing can be detached from the elongated fixing portion and replaced while maintaining the fixing portion in a fixed position and maintaining a connection between the fixing portion and the at least one of the powered door and the door frame.