Wall panel with removable acoustical insert

Claim 1

A wall panel for an open office system comprising: a peripheral support frame including at least a front surface and adapted to be placed in an upright position; an acoustical insert panel including a central body portion and an integral border of glass fiber, said border having a density substantially greater than the average density of said main body portion, and adding rigidity to said insert panel, at least a major portion of said border overlying said front surface of said frame; receptacle means on said frame defining a plurality of apertures on said front surface; and a corresponding plurality of locking members on said insert panel border for removably coupling said insert panel to said frame, said locking members each comprising a spring clip adapted to be received in one of said apertures, each clip comprising a channel-shaped clip support and a clip member, said clip support being adapted for fitting over said border and having a front plate, a rear plate and a side portion interconnecting said front and rear plates, said plates being pressed against the border of said panel and held thereby, said clip member being carried by the rear plate of an associated support in alignment with an associated aperture on said frame and defining first and second lead-in surfaces and first and second oppositely extending tabs; said clip support defining first and second slots, one of said slots being adapted to diagonally receive one of said tabs of said clip member and the other of said slots including a first slot portion laterally aligned with a side of said first slot of said clip support and a second slot portion aligned with a diagonal of said first slot, whereby said second tab of said clip member may be inserted into said second slot portion and said clip member rotated so that said second tab enters said first slot portion of said second aperture and is locked to said clip support.