US 7,478,703 B2
Speaker cabinet and speaker device
Takeshi Nakamura, Uji (Japan)
Assigned to Murata Manufacturing Co., Ltd., Kyoto (Japan)
Filed on Mar. 08, 2004, as Appl. No. 10/794,061.
Claims priority of application No. 2003-132283 (JP), filed on May 09, 2003.
Prior Publication US 2004/0222038 A1, Nov. 11, 2004
Int. Cl. A47B 81/06 (2006.01)
U.S. Cl. 181—199  [181/148] 16 Claims
OG exemplary drawing
 
1. A speaker cabinet comprising:
a cabinet having a side board to which a speaker driver is directly fixed and having a base board and a top board;
a substantially cylindrical tube which is inserted into the cabinet such that a vertical line passing through a center of gravity of a horizontal plane of the cabinet coincides with an axis of the substantially cylindrical tube and which is in contact with the base board and the top board of the cabinet; and
a support rod which is inserted into the substantially cylindrical tube through a through-hole formed in the base board of the cabinet and which supports the top board of the cabinet at an upper end portion of the support rod such that the cabinet undulates so as to move like a see-saw; wherein
the substantially cylindrical tube is fixed to the cabinet.