Patent ID: 8490938

Claim:
An in-ceiling, in-wall one button installer which is placed in a hole formed in a ceiling or a wall, comprising: a speaker frame, which fixes down a speaker and has a circumferential edge, whose diameter is bigger than that of the hole; and two connective units, which are provided on the speaker frame, wherein each connective unit has a connective flexible strip, which contracts or expands laterally by moving, and characterized in that, first, as two connective flexible strips contract inwardly in a radial direction, the speaker is allowed to pass and then be placed in the hole, and characterized in that, then, as the two connective flexible strips expand outwardly in the radial direction, the diameter formed by the two connective units is larger than that of the hole and the outer layer of a wall or a ceiling is sandwiched in between the circumferential edge and the two connective flexible strips, wherein each connective unit has a tubular portion and a connective piece is provided in the tubular portion, and wherein a cover is placed on top of the tubular portion and a spring is disposed between the cover and the connective piece, and wherein the spring pushes the connective piece downwards so that the latter pushes against the speaker frame, and wherein an opening is provided at a location corresponding to each connective piece in the speaker frame and a nut is provided and embedded in the opening so that a threaded piece engages with the nut and hence to move the two connective pieces.