Abstract: A vacuum-cleaner suction tool includes a sucking portion for sucking up dust on a surface to be cleaned, a joint portion having one end connected to the upper side of the sucking portion and the other end provided with a connection pipe, and an agitator disposed within the sucking portion for scraping dust off the surface. The opening, the joint portion, and the connection pipe each have a channel portion allowing sucked-up dust to pass therethrough. The joint portion is configured to be turnable, relative to the sucking portion, in a horizontal direction substantially parallel to the surface to be cleaned to such an extent that the longitudinal central axis of the sucking portion becomes substantially parallel to the longitudinal central axis of the connection pipe, whereby the forward end of the sucking portion, from left to right, can be brought into close contact with wall surfaces so that dust liable to collect in corners can be fully sucked up.

Abstract: A vacuum cleaner includes working elements of cleaner, that is, a blower and a dust collection unit disposed in a nozzle section of which casing is composed of an upper unit and a lower unit, and having a handle coupled to the nozzle section. At least one of the working elements is supported by the upper unit and a support unit provided in the lower unit or by the lower unit and a support unit provided in the upper unit. Therefore, the cleaner can be repaired without having all screws removed, thus repaired conveniently.

Abstract: A vacuum-cleaner suction tool which comprises a sucking portion for sucking up dust on a surface to be cleaned, a joint portion having one end connected to the upper side of the sucking portion and the other end provided with a connection pipe, and an agitator disposed within the sucking portion for scraping dust off the surface, the opening, joint portion, and connection pipe each having a channel portion allowing sucked-up dust to pass therethrough, in which the joint portion is configured to be turnable, relative to the sucking portion, in a direction substantially horizontal to the surface to be cleaned to such an extent that the longitudinal central axis of the sucking portion becomes substantially parallel to the longitudinal central axis of the connection pipe, whereby the forward end of sucking portion, from left to right, can be brought into close contact with wall surfaces so that dust liable to collect at corners can be fully sucked up.

Abstract: A vacuum cleaner includes working elements of cleaner, that is, a blower and a dust collection unit disposed in a nozzle section of which casing is composed of an upper unit and a lower unit, and having a handle coupled to the nozzle section. At least one of the working elements is supported by the upper unit and a support unit provided in the lower unit or by the lower unit and a support unit provided in the upper unit. Therefore, the cleaner can be repaired without having all screws removed, thus repaired conveniently.

Abstract: Arylglycinamide derivatives represented by a general formula (1) ##STR1## (wherein Ar denotes a phenyl group which may have 1 to 3 substituents or naphthyl group which may have 1 to 3 substituents, R.sub.1 and R.sub.4 denote identically or differently hydrogen atoms or lower alkyl groups with 1 to 3 carbon atoms, R.sub.2 denotes a lower alkyl group with 1 to 6 carbon atoms, cycloalkyl group with 3 to 6 carbon atoms, lower alkyl group with 1 to 4 carbon atoms which may have a phenyl group which may have 1 to 3 substituents, norbornyl group, adamantyl group or phenyl group which may have 1 to 3 substituents, R.sub.3 denotes a hydrogen atom or lower alkyl group with 1 to 6 carbon atoms or it may form a ring constituting alkylene together with R.sub.2, R.sub.5 denotes a lower alkyl group with 1 to 6 carbon atoms or cycloalkyl group with 5 or 6 carbon atoms, R.sub.6 denotes a hydrogen atom or lower alkyl group with 1 to 6 carbon atoms or it may form a ring constituting alkylene together with R.sub.

Abstract: A floor nozzle for a vacuum cleaner of the present invention has an auxiliary agitator provided outside the lateral wall of a main body of the nozzle. The auxiliary agitator is covered by a protecting cover, so as to ensure safety during use. Moreover, a stirring member, a dust outlet and confirmation holes allow dust to be discharged out of the main body more easily and smoothly, while preventing burning or breaking of the agitator.

Abstract: A vacuum cleaner has a blower motor; a dust detector responsive to a sucked dust particle due to rotation of the blower motor for producing a dust detecting signal when each of the dust particles is detected passing a portion in a suction passage; counter responsive to the dust detection signal for counting the number of the dust interception particles for a given interval; and input power controller responsive to an output signal of the counter for controlling the input power of the blower motor by selecting an input power value from plural preset input power values in accordance with the number. Controlling input power may be performed in accordance with a pulse width indicative of the dust particle size or the counted number may be modified by pulse width. Another embodiment of the vacuum cleaner has plural light emitting diodes for indicating the number counted to show an operator uncleanliness of the floor.

Abstract: A vacuum cleaner and method for determining the kind of floor surface being cleaned by a vacuum cleaner wherein dust amount per unit interval is detected and dust detection change patterns are analyzed for determining floor type. This analysis is based on the following assumptions: smooth and carpet surfaces can be distinguished by dust detection patterns for an interval of several seconds. On the smooth surface, almost all of the dust at one place is picked up during an early stage of the interval. On the other hand, on a carpet floor, dust is picked up continuously. On a new carpet, many piles detach during vacuuming. Thus, if dust detection is continuous over several seconds it may be assumed that, the carpet is a new carpet.

Abstract: This invention relates to sulfamoylbenzoic acid derivatives which possess diuretic and uricosuric activities, and which are of the formula (I) ##STR1## wherein R.sub.1 is a chlorine atom or phenoxy group, R.sub.2 is a hydrogen atom, halogen atom, lower alkyl group, lower alkoxy group or methylenedioxy group.

Abstract: This invention relates to new and useful pyrazolopyridine and tetrahydro pyrazolopyridine derivatives which possess inhibitory activities on platelet aggregation. More particularly, it relates to method for their production as well as therapeutic compositions containing these compounds as used in cerebral and peripheral vascular insufficiency and its complications.