Abstract: A lightweight apparatus for driving windscreen of vehicles with having high rigidity is provided. An apparatus provided with front and rear guide rails 22, 23 that are mounted right and left in one pair on a vehicle body such as motorcycles etc., guide members 43, 44 moving in the front and rear guide rails, one pair of the right and left carrier plates 24 supported by guide members 43, 44 and fixed to the windscreen W, and the driving mechanism synchronously reciprocates the carrier plates 24. The driving mechanism comprises the control cables 14, 15, 16 which are wired like figure of 8, and the cable driving mechanism 17 that reciprocates the inner cable of the control cables.

Abstract: There is provided a surface treating agent for ligneous floorings that makes the surface of a treated floor resistant to slipping and thus is capable of preventing tumbling. The surface treating agent for ligneous floorings contains a drying oil, Japan wax, candelilla wax, and powdery carnauba wax.

Abstract: An organic electroluminescent device of the type comprises an organic layer 5, 5a or 5b, which has a luminescent region and contains at least one styryl compound represented by the following general formula (1) wherein R1 and R2 independently represent an aryl group of the following general formula (2), (3) or (4) wherein R3 to R21 independently represents a specific substituent group such as a hydrogen atom, a methoxy group or the like, and X represents a substituted or unsubstituted aryl or cyclic hydrocarbon group.