Abstract: A multi-function wallet comprising a leather cover, at least two strips, a sub-wallet, a plurality of notebook papers, a string, a bead chain, a hook and a fastening hook; the string is to pass through holes on the leather cover, the strips, and the sub-wallet so as to fasten all the aforesaid part into one piece; both ends of the string are fastened the hook and the bead chain together. The fastening hooks are fixedly connected with the bead chain. The strips mounted on the leather cover and the sub-wallet are used for clamping banknotes and notebook papers respectively. The inner side of the leather cover has a large bag for storing ID card or the like; the inner side of the inner leather sheet of the sub-wallet has a partition flap and a lid flap; the partition flap can be opened partially, and used for storing ID card or the like. The inner side of another inner leather sheet has several coin bags for storing different coins.

Abstract: An anti-quake furniture comprising a top lid, a plurality of mid-pole structures a base frame and a plurality of fastening members; the top lid, the mid-poles and the base frame are assembled together by means of a plurality of connecting ends and connecting sleeves self-contained on the aforesaid major members to form a cubic structure. The various mid-pole structures are assembled together with the fastening members so as to have the top lid, the mid-pole structures, and the base frame assembled into a strong furniture to be used as a haven in case of earthquake.

Abstract: A loudspeaker cabinet has an annular frame mounted on its front face to support a multiplicity of louvers that are coupled together by a transversely extending coupling arm. The louvers can be opened when the loudspeaker is operating. When the loudspeaker is not in operation the louvers can be closed to protect the speaker against dust accumulations. The louver coupling arm is located in cut outs formed in the louver rear edges so that the arm is relatively inconspicuous.

Abstract: A lock structure with a warning device, in which an additional set of tumblers are installed on the four sides of the cylinder body, the plug member and the sliding sleeves; in case of a wrong key being inserted into the cylinder body, the tumblers will be touched and projected outwards to trigger off a warning device.