摘要:
A power converter comprises parallel circuits by providing two series circuits composed by self-arc-suppressing semiconductors, reactors and diodes. Moreover, unbalance of the currents flowing in the two parallel circuits is prevented by connecting the terminals of the two reactors to each other via capacitors.
摘要:
A drive system having a belt with a length and a plurality of teeth spaced regularly along the length of the belt and a first pulley having a plurality of grooves for receiving the belt teeth with the belt and first pulley in operative relationship. The single pitch difference between the belt teeth and the grooves in the first pulley is between -0.04 mm and 0 mm.
摘要:
An electrical connector comprises outer plate-shaped contacts and a center plate-shaped contact, a dielectric member is secured onto the plate-shaped contacts maintaining the plate-shaped contacts in spaced relationship and in the same plane so that the plate-shaped contacts are coplanar, a coupling part at the other ends of the outer plate-shaped contacts interconnecting them, a receptacle contact as part of the coupling part, and a pin contact member at the other end of the center plate-shaped contact disposed within the receptacle contact member at the center thereof.
摘要:
There is disclosed a method for crimping an open end of a can body. A male die is inserted into the can body through the open end in such a manner as to be coaxial therewith. Then, the female die is caused to fit on the opening end, and the female die is kept moving along the outer peripheral surface of the male die while moving the male die, inserted into the can body, in a releasing direction from the can body. Thus, the opening end is crimped by the relative movement of the male and female dies. There is also disclosed a crimping apparatus which includes at least one crimping mechanism, a holder for holding the can body at a prescribed position, a complex cam and a drive mechanism. The crimping mechanism includes male and female dies, follower members connected to the male and female dies, respectively. The cam includes first and second cam faces with which the first and second follower members are respectively held in engagement. The drive mechanism is operable to move the first and second followers along the first and second cam faces to move the first and second follower members axially of the male and female dies in a prescribed manner.
摘要:
A latching mechanism to latch matable electrical connectors together comprises first and second electrical connectors (10,20) for matable engagement with one another, the first connector (20) having a projection (21) engageable with a tapered section (17) of a slide (15) extending along a wall of a housing (11) of the second connector (10) when the first connector is inserted into an opening (12) of the second connector (10), the slide (15) being biased in one direction by a spring (14). The slide (15) is moved in another direction upon further insertion of the first connector (20) into the opening (12) until the projection (21) moves beyond the tapered section (17) into a recess (18) whereupon the slide (15) moves back to the one direction under the influence of the spring (14) thereby latching the connectors (10,20) together.
摘要:
A coloring matter which exhibits excellent (ozone) gas resistance, high print density, low color rendering properties, low color saturation, and high-quality black hue when is recorded on a paper only for inkjet exclusive use, i.e., an azo compound represented by formula (1), a tautomer of the azo compound, or a salt of the azo compound or the tautomer; and an ink composition containing the coloring matter, particularly a black ink composition for inkjet recording applications.
摘要:
An aqueous black ink composition which enables the formation of an excellent black recorded image having extremely high ozone gas resistance and a neutral and achromatic color. The ink composition comprises: a dye which includes at least one compound represented by specific formula (1) or at least one tautomer or salt of the compound; a dye which includes at least one compound represented by specific formula (3) or at least one tautomer or salt of the compound; and a dye which includes at least one compound represented by specific formula (4) or at least one tautomer or salt of the compound.
摘要:
An aqueous black ink composition that produces a black recorded image that is stable even when stored for a long time period, exhibits a neutral black to gray color with low color saturation and no tinge, has a high printed image density and exhibits excellent fastness properties of the recorded image, particularly ozone-gas resistance. The ink composition contain at least one kind of coloring matter (I), which a coloring matter represented by formula (1) below, a tautomer thereof, or a salt of the coloring matter or the tautomer; at least one kind of coloring matter (II), which is a coloring matter represented by formula (2) below or a salt thereof; and coloring matter (III), which is a coloring matter having an azo group other than coloring matters (I) and (II), or a salt thereof.
摘要:
A water-based black ink composition which exhibits a low intensity, colorless and neutral black color and provides a black recorded image the printed image of which has high density. The ink composition includes at least one compound represented by formula (1) or a salt thereof and an azo compound having λmax within the range of 550-660 nm. In the formula (1), R1 to R8 independently represent a hydrogen atom; a halogen atom; a sulfo group; a carboxy group; a sulfamoyl group; a carbamoyl group; a C1-C4 alykyl group; a C1-C4 alkoxy group; and a C1-C4 alkoxy group substituted with at least one group selected from a group consisting of a hydroxy group, a C1-C4 alkoxy group, a hydroxy C1-C4 alkoxy group, a sulfo group and a carboxy group. X represents a bivalent cross-linking group.
摘要:
A paper ejecting device with a plurality of swinging protruding members is provided which allows a sheet jumping from a paper ejecting device to a paper receiving tray to be ejected with a desired shape by changing the corrected shape of the sheet according to the kind (size, thickness) of paper.