| 摘要 |
PCT No. PCT/NO96/00194 Sec. 371 Date Jan. 12, 1998 Sec. 102(e) Date Jan. 12, 1998 PCT Filed Jul. 29, 1996 PCT Pub. No. WO97/04687 PCT Pub. Date Feb. 13, 1997A mounting foot device for hi-fi equipment to prevent or limit acoustic feedback, comprising: an anchor bolt for affixing to said equipment, the bolt including a downward facing end face provided with a projecting spike; a housing which partially surrounds the bolt, and wherein the bolt has axial, but limited, movability in relation to the housing; a contact plate, either fixedly mounted in the housing or mounted with limited axial mobility in relation to the housing, and including an upper face and a lower face wherein the upper face is positioned facing toward the end face of the anchor bolt and the projecting spike, and is adapted to form a point contact with the spike and wherein when the bolt is under the weight of the hi-fi equipment, the bolt moves toward the contact plate. |
