Abstract: A quinoline compound represented by the formula (1) or a salt thereof: ##STR1## wherein the definition of each substituents are described in the specification, which have angiotensin II antagonism and hypotensive action and are useful as an agent for the prevention and treatment of cardiovascular system diseases such as hypertension, heart failure and the like.

Abstract: An isoindazole compound of the formula (1) or a salt thereof; a method for the production thereof; and pharmaceutical use of the compound and a salt thereof, particularly as an angiotensin II antagonist and as an agent for the prophylaxis and treatment of circulatory diseases (particularly hypertension and heart failure); ##STR1## wherein Q is a heterocyclic derivative of the formula (2) or (3) ##STR2## wherein other symbols of the above formulas are as defined in the Specification. The compound and its salt show superior angiotensin II antagonism and are low toxic. Accordingly, they are useful as angiotensin II antagonists for the treatment or prophylaxis of angiotensin II-mediated diseases such as circulatory diseases of hypertension (e.g. essential hypertension, renal hypertension) and heart failure.

Abstract: A spinning nozzle comprises first and second nozzles provided with jetting holes through which compressed air is jetted into tubular yarn passages extending along an imaginary center line of the spinning nozzle, and arranged in series coaxially with the imaginary center line, and the second nozzle is provided in its outlet end with a balloon controller having a through hole having substantially a triangular cross section. The size of the balloon is limited to that of a circle inscribed in the through hole of the balloon controller, so that twists inserted in the yarn in the second nozzle propagate stably to a portion of the yarn in the first nozzle.

Abstract: A vehicular roof drip moulding comprising a substantially U-shaped clamp portion adapted to be fitted onto a flange portion on the side body of an automotive vehicle in a clamped state, and a pressure contact portion extending from one side part of said clamp portion and coming in pressure contact with the side body under the effect of resilient force of the clamp portion. The other one of the pair of oppositely located pieces has a sectional height which is varied in correspondence to variation of height of the side body from location to location in the longitudinal direction.

Abstract: An automobile is provided with canvas top elements. The automobile includes a rear opening defined by a central pillar, rear body side portions and a rear body portion. A rear canvas rib is provided including a rear arch-shaped portion and a front arch-shaped portion. The front arch-shaped portion has lower end portions which are link-coupled with lower end portions of the arch-shaped rear frame. The lower end portions of the rear frame are disposed slidably along a longitudinal direction of the car body along guide rails provided in the rear side portions of the car body. The canvas rib is folded downwardly as the lower end portions of the arch-shaped rear frame slide in a forward longitudinal direction and the frame is folded upwardly to outstretch the canvas.

Abstract: An indigo compound is prepared from a corresponding indole compound which is unsubstituted at the 2- and 3- positions. The indole compound and an organic hydroperoxide are reacted in the presence of a catalyst which is a metal selected from the group consisting of the metals of Groups 4, 5 and 6 of the periodic table or a compound of the metal. The reaction is conducted while taking out water from a reaction system, said water being that introduced in the reaction system or formed during the reaction, or while controlling the amount of water, which is introduced in the reaction system, at a level not greater than 1 mole per mole of the indole compound.

Abstract: A device for actuating a shutter of a disc cartridge along with insertion of the disk cartridge into a holder of a recording and/or reproducing apparatus is disclosed. The device includes an engaging pin mounted on a lever member and adapted to be in engagement with one end of the shutter during the travel of the cartridge from a half-loaded position to a full-loaded position. The engaging pin extends downwardly through an oblique-inwardly engaging slot and protrudes into a cartridge accommodating space within the holder. A very small force is needed to smoothly actuate the shutter because a guide pin secured to the cassette or disc cartridge holder will act as an axis of rotation for the lever member 14 by vitrue of a slot provided in the other end of the lever member from the engaging pin. The guide pin is rotatably and linearly displaced with regard to the slot in the lever member.

Abstract: A linear motion guide unit having a rack and pinion mechanism for preventing slippage in relative sliding motion is provided. The linear motion guide unit includes a table elongated in shape and having a generally U-shaped cross section and a bed elongated in shape and having a generally U-shaped cross section which is oriented with its inner surface facing the inner surface of the table. The unit also includes a plurality of balls sandwiched between the table and the bed so as to provide a rolling contact therebetween. Also provided is a retainer having a horizontal section and a pair of vertical sections extending from the opposite sides of the horizontal section and formed with a plurality of windows for receiving therein the balls. The horizontal section of the retainer is formed with a slot and a pinion gear is rotatably supported on the retainer as extending partly through the slot and at the center in the widthwise direction of the retainer.

Abstract: A disk cartridge includes a hard jacket having head insert hole. A shutter on the hard jacket is moveable between the open position and the closed position relative to the head insert hole. The front edge of the hard jacket includes a notch defined by at least a bottom wall and a side wall. To make easy the insertion of the disk cartridge into a recording and reproducing apparatus, thereby improving a feeling of operation, the side wall is connected to the front edge by a corner wall whose distance from one side edge of the shutter standing at the open position progressively increases as it approaches the front edge.

Abstract: A magnetic tape cleaner comprising a tape scraper engaging a recording face of a magnetic tape to scrape magnetic powder out of the recording face thereof and a magnet to attract and adhere thereto the magnetic powder scraped out of the recording face of the magnetic tape.

Abstract: A recording and/or reproducing apparatus includes a cartridge receiving holder, a cartridge shutter opening device for opening a laterally slideable shutter of a disc cartridge along with insertion thereof into the holder, a mount base displaceable between a retracted position away from the holder and an operative position in which a head and spindle motor mounted on the base will be made operative with respect to a disc contained in the full-loaded disc cartridge in the holder. The disc cartridge is retained in the full-loaded position in the holder through engagement between a lock lever rotatably mounted on the holder and a notch formed on the side periphery of the disc cartridge. The lock lever is normally biased by a spring to direct outwardly so that the disc cartridge is free from contract with the lock lever during insertion into the holder.

Abstract: A device for opening a shutter of a disc cartridge along with insertion of the disc cartridge into a holder of a recording and/or reproducing apparatus for performing recording and/or reproducing operation is disclosed. The device includes at least one arm member freely rotatable about a pivot provided at one end thereof and having at the other end a first engaging portion adapted to be in engagement with the shutter substantially during insertion of the disc cartridge. A guide means or a slot extending in an oblique direction between the cartridge inserting direction and a direction in which said shutter is slided to open is provided for guiding therealong a second engaging portion of the arm member during first-step advancement of the disc cartridge into the holder from an unloaded position to a half-loaded position, thereby rotating the arm member to open the shutter due to continued engagement thereof with the first engaging portion.

Abstract: A magnetic recording and reproducing apparatus for use with a tape cartridge including a single tape reel having a compact drive and winding reel arrangement.

Abstract: A magnetic recording and reproducing apparatus for use with a tape cartridge includes a holder arrangement operable between a cartridge loading and unloading position and a cartridge operative position. A leader block guide and drive is also carried by the holder to guide and drive a leader block attached to a leading end of a magnetic tape to a winding reel of the apparatus.

Abstract: An apparatus for loading a tape cartridge for a magnetic instrument comprising a lever to move a holder holding the tape cartridge from a loading/unloading position, to an operative position, springs to urge the holder from the operative position to the loading/unloading position and to urge the tape cartridge so as to remove it from the holder, a lock to lock the holder to the operative position and a protrusion in the holder to engage the tape cartridge within the holder so as to hold the tape cartridge in the holder whereby the tape cartridge is displaced by the inertia of the tape cartridge from the position of engagement of the tape cartridge with the holder to the position of displacement of the holder by the springs where the tape cartridge is removed by the springs.

Abstract: An apparatus for loading a tape cartridge for a magnetic instrument comprising a holder for holding the tape cartridge is movable between a cartridge operative position and a cartridge loading/unloading position, insertion of the tape cartridge into the holder is detected, the holder is capable of being locked in the cartridge operative position, and the lock is controlled in response to the detecting of the tape cartridge whereby the holder is locked only when the tape cartridge is loaded into the holder.

Abstract: Dihydropyridine derivatives represented by formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.6, which may be the same or different, each represents an alkyl group, a cycloalkyl group or an alkoxyalkyl group; R.sub.4 and R.sub.5, which may be the same or different, each represents a hydrogen atom, a halogen atom, a nitro group, a halogenated alkyl group, an alkylsulfonyl group, a halogenated alkoxy group, an alkylsulfinyl group, an alkyl group, a cycloalkyl group, an alkxoy group, a cyano group, an alkoxycarbonyl group or an alkylthio group (provided that R.sub.4 and R.sub.5 are not hydrogen atoms at the same time); X represents a vinylene group or an azomethine group; A and B are each an alkylene group or an alkenylene group; R.sub.7 and R.sub.8, which may be the same or different, each represents a hydrogen atom, an alkyl group, an alkenyl group, an aralkyl group, an aryl group, or a heterocyclic group (provided that R.sub.7 and R.sub.

Abstract: An apparatus for loading a tape cartridge for a magnetic instrument comprising a lever to move the tape cartridge from a loading/unloading position to an operative position by displacing relative to a chassis holder in which the tape cartridge is held and a reel drive partly contained in the tape cartridge to drive a reel therein, the reel drive including an engagement portion protrusively disposed in the holder to engage an engaged portion of the reel in the loading/unloading position whereby the tape cartridge is positioned in the holder by inserting the tape cartridge into the holder until the engaged portion of the reel engages the engagement portion of the reel drive.

Abstract: A device for opening a shutter of a disc cartridge along with insertion of the disc cartridge into a holder of a recording and/or reproducing apparatus for performing recording and/or reproducing operation is disclosed. The device includes at least one arm member freely rotatable about a pivot provided at one end thereof and having at the other end a first engaging portion adapted to be in engagement with the shutter substantially during insertion of the disc cartridge. A guide means or a slot extending in an oblique direction between the cartridge inserting direction and a direction in which said shutter is slided to open is provided for guiding therealong a second engaging portion of the arm member during insertion of the disc cartridge, thereby rotating the arm member to open the shutter due to continued engagement thereof with the first engaging portion. The pivot of the arm member is supported by a sliding member and is moving while the second engaging portion is being guided along the first guide means.

Abstract: Dihydropyridine derivatives of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, A, B are defined as in the specification and nontoxic acid-addition salts thereof, have an excellent calcium blocking action (Ca-antagonist), and antihypertensive action, a platelet aggregation-inhibiting action, a phosphodiesterase-inhibiting action and the like, and thus are useful as a medicine, such as a coronary vasocilator, a cerebral hyperkinemic, antihypertensive, thrombosis-preventing or -treating agents, phosphodiesterase-inhibitor or the like. Pharmaceutical compositions and methods of use are also disclosed.