Abstract: A fluorine-containing elastomer for molding fuel system parts, which has a copolymer composition comprising 10-40% by weight of tetrafluoroethylene (TFE), 80-30% by mole of vinylidene fluoride (VdF), and 10-30% by mole of hexafluoropropylene (HFP), as copolymerized in the presence of an iodine and bromine-containing compound represented by the following general formula: RBrnIm (where R is a fluorohydrocarbon group, a chlorofluorohydrocarbon group, or a hydrocarbon group, each having 1-10 carbon atoms, and n and m each are 1 or 2), and has an intrinsic viscosity of 20-180 ml/g, Mw (weight average molecular weight)/Mn (number average molecular weight) ratio of 2-20, and a molecular weight distribution of monopeak or multipeak type, and a fluorine-containing elastomer composition, which comprises the fluorine-containing elastomer, at least one of a polyol vulcanizing agent and a polyamine vulcanizing agent, an organic peroxide, and a polyfunctional unsaturated compound.

Abstract: An overhead conveyor in which a pair of front hanger arms (2a, 2a) for loading the bottom of a front part of a vehicle body and a pair of rear hanger arms (2b, 2b) for loading the bottom of a rear part of a vehicle body are arranged at a hanger body (2d) which moves along with a running rail established in the ceiling. The pair of front hanger arms (2a, 2a) and the pair of rear hanger arms 2b, 2b are movably attached to the hanger body 2d, the hanger body 2d having an engaging groove (13) for engaging the movably attached pair of hanger arms at each engaging position of the vehicle body through each an engaging lever (14), having an actuator (16) to control the engaging-and-disengaging movement of the engaging lever.

Abstract: There is a module conveyance mechanism 1 projected, which comprises: lift means for transfer 6, in which the module constructed in a subline SL is made to move through a lower part than a floor side FL of a mainline ML; a slide mechanism 5, wherein the module is made to move through a lower part than the floor side of a mainline ML parallel to the floor thereof; the lift means for assembly 4, in which the module transferred from the slide mechanism 5 is made to rise to the assembly zone of the body F.

Abstract: A overhead conveyor in which a pair of front hanger arms 2a, 2a for loading the bottom part of front part of a vehicle body and a pair of rear hanger arms 2d, 2d for loading the bottom part of rear part of a vehicle body are arranged at a hanger body 2d which moves along with the running rail established in the ceiling side, characterized in that one of said pair of front hanger arms 2a, 2a and said pair of rear hanger arms 2b, 2b is movably attached to said hanger body 2d, said hanger body 2d having an engaging groove 13 for engaging said movably attached pair of hanger arm at each engaging position of vehicle body through each engaging lever 14, having an actuator 16 to control the engaging-and-disengaging movement of said engaging lever.

Abstract: There is a module conveyance mechanism 1 projected, which comprises: lift means for transfer 6, in which the module constructed in a subline SL is made to move through a lower part than a floor side FL of a mainline ML; a slide mechanism 5, wherein the module is made to move through a lower part than the floor side of a mainline ML parallel to the floor thereof; the lift means for assembly 4, in which the module transferred from the slide mechanism 5 is made to rise to the assembly zone of the body F.

Abstract: In a recording/reproducing device for use in recording and reproducing data on and from a recording medium while moving read/write head means relative to the recording medium in a moving direction, which comprises a carriage supporting the read/write head means and guided by a guiding member in the moving direction, and a voice coil motor comprising a voice coil and a magnetic circuit device for driving the carriage in the moving direction. The carriage has a coil holding portion by which the voice coil is fixedly held in the condition that the coil axis is arranged in the moving direction. The voice coil is applied with a driving electric current for driving the carriage. The magnetic circuit device is fixedly disposed adjacent to the voice coil to generate a magnetic field intersecting the driving current flowing through the voice coil, the voice coil moving in the moving direction together with the carriage by an interaction of the driving current and the magnetic field.

Abstract: In a recording/reproducing device for use in recording and reproducing data on and from a recording medium while moving read/write head means relative to the recording medium in a moving direction, which comprises a carriage supporting the read/write head means and guided by a guiding member in the moving direction, and a voice coil motor comprising a voice coil and a magnetic circuit device for driving the carriage in the moving direction. The carriage has a coil holding portion by which the voice coil is fixedly held in the condition that the coil axis is arranged in the moving direction. The voice coil is applied with a driving electric current for driving the carriage. The magnetic circuit device is fixedly disposed adjacent to the voice coil to generate a magnetic field intersecting the driving current flowing through the voice coil, the voice coil moving in the moving direction together with the carriage by an interaction of the driving current and the magnetic field.

Abstract: In a large-capacity FD comprising a disk-shaped recording medium on which a plurality of tracks are arranged with concentric circles, each track is divided into a predetermined number of sectors having a length equal to one another. Each sector consists of a serve field and a data field. The servo field in each sector includes a sector number field in which a sector number and alternation contents of the magnetic disk medium are written and a track number field in which a track number is written. The sectors on each track may be assigned with serial sector numbers in a circumferential direction in order with skipping over any defective sector. The plurality of tracks may be separated in a radial direction into a plurality of zones each including at least one alternate track.

Abstract: A diaphragm is integrally formed with a movable section and a perimeter section. The movable section is adapted to be reciprocally moved, and the perimeter section is disposed around the movable section and shaped to provide a clamp receiving portion adapted to be clamped into a fixed position. A bending portion along which the movable section is reciprocally moved with the clamp receiving portion clamped is located closer to the movable section than the clamp receiving portion of the perimeter section.

Abstract: In a recording/reproducing device for use in recording and reproducing data on and from a recording medium while moving read/write head means relative to the recording medium in a moving direction, which comprises a carriage supporting the read/write head means and guided by a guiding member in the moving direction, and a voice coil motor comprising a voice coil and a magnetic circuit device for driving the carriage in the moving direction. The carriage has a coil holding portion by which the voice coil is fixedly held in the condition that the coil axis is arranged in the moving direction. The voice coil is applied with a driving electric current for driving the carriage. The magnetic circuit device is fixedly disposed adjacent to the voice coil to generate a magnetic field intersecting the driving current flowing through the voice coil, the voice coil moving in the moving direction together with the carriage by an interaction of the driving current and the magnetic field.

Abstract: In a motor drive for driving a motor having three-phase coils in both a high rotation speed mode making the motor at a high rotation speed and a low rotation speed mode making the motor at a low rotation speed which is extremely lower than the high rotation speed, the motor drive comprises a mode selection circuit for making a connection of the three-phase coils unipolar and bipolar connections on the high and the low rotation speed modes, respectively. A frequency generation pattern detects a rotation speed of the motor. On the basis of the rotation speed detected by the frequency generation pattern, a combination of a PLL circuit and a driving transistor drives the motor at the high and the low rotation speeds on the high and the low rotation speed modes, respectively.

Abstract: In a motor drive for driving a motor having three-phase coils in both a high rotation speed mode in which the motor rotates at a high rotation speed and a low rotation speed mode in which the motor rotates at a low rotation speed which is extremely lower than the high rotation speed, the motor drive includes a mode selection circuit for making a connection of the three-phase coils unipolar and bipolar connections on the high and the low rotation speed modes, respectively. A frequency generation pattern detects a rotation speed of the motor. On the basis of the rotation speed detected by the frequency generation pattern, a combination of a PLL circuit and a driving transistor drives the motor at the high and the low rotation speeds in the high and the low rotation speed modes, respectively.

Abstract: A holder for a spare spark plug for an internal combustion engine in a snowmobile is provided on an engine accessory such as an air intake silencer for the engine, and wherein the holder includes a receptacle for receiving the threaded electrode end of a spare spark plug and a clamp for the opposite terminal end of the spark plug. The terminal end clamp is configured to retain the spark plug against substantial axial movement out of the receptacle while permitting lateral displacement of the terminal end of the spark plug to permit removal of the spark plug from the receptacle. The holder and terminal end clamp may be integrally formed as one piece with an air intake silencer. The receptacle is configured to shield the electrode end of the spark plug when it is installed in the receptacle.

Abstract: In a recording/reproducing device for use in recording and reproducing data on and from a recording medium while moving read/write head means relative to the recording medium in a moving direction, which comprises a carriage supporting the read/write head means and guided by a guiding member in the moving direction, and a voice coil motor comprising a voice coil and a magnetic circuit device for driving the carriage in the moving direction. The carriage has a coil holding portion by which the voice coil is fixedly held in the condition that the coil axis is arranged in the moving direction. The voice coil is applied with a driving electric current for driving the carriage. The magnetic circuit device is fixedly disposed adjacent to the voice coil to generate a magnetic field intersecting the driving current flowing through the voice coil, the voice coil moving in the moving direction together with the carriage by an interaction of the driving current and the magnetic field.

Abstract: In a disk protection method for protecting a magnetic recording disk upon ejection thereof from a removable magnetic recording/reproducing device by an eject mechanism through operation of an eject button, data writing relative to the magnetic recording disk is inhibited in response to a data write inhibit signal which is generated immediately after the operation of the eject button and before the eject mechanism actually starts the ejection of the magnetic recording disk. The eject mechanism actually ejects the magnetic recording disk from the removable magnetic recording/reproducing device in a condition where the data writing is inhibited.

Abstract: A carriage location detector comprises a scale formed on a carriage and having a plurality of slits at a predetermined interval, a photointerrupter including at least one light emitting element and a plurality of light receiving elements arranged opposite to each other with the scale interposed therebetween. The light receiving elements are so that output signals thereof have a phase difference of 90.degree. from one another. A processing circuit is responsive to the output signals from the light emitting elements for carrying out processing, in an initial setting operation, so as to keep voltage waveforms of the output signals within a predetermined range.

Abstract: In a method of starting rotation of a magnetic disk medium of a large-capacity flexible disk by a spindle motor for use in a high-density type flexible disk drive for carrying out data recording and reproducing operation to and from the magnetic disk medium of the large-capacity flexible disk which requires to rotate at a high rotation speed on recording and reproducing, the method includes: a first step of rotating the spindle motor at a low rotation speed lower than the high rotation speed on rotation starting of the magnetic disk medium; a second step of rotating the spindle motor at the high rotation speed subsequently to rotating of the spindle motor at the low rotation speed; a third step of rotating the spindle motor at the low rotation speed subsequently to rotating of the spindle motor at the high rotation speed; and a fourth step of rotating the spindle motor at the high rotation speed subsequently to rotating of the spindle motor at the low rotation speed at the third step.

Abstract: In a high-density FDD for driving a magnetic disk medium of an FD inserted thereinto, a switch unit 50 detects whether the inserted FD is a large-capacity FD or a small-capacity FD. A control device 60 is connected to the switch unit 50, a control device 60 controls drive of a spindle motor 100 so as to rotate the spindle motor 100 at a high rotation speed when the inserted FD is identified as a large-capacity FD, and so as to rotate the spindle motor 100 at a low rotation speed when the inserted FD is identified as a small-capacity FD.

Abstract: A flexible disk drive includes a carriage spaced from a main frame and holding a magnetic head, a pair of guide bars for guiding the carriage, rubber dampers fixed on each of the guide bars at both axial end portions thereof, and a linear motor for moving the carriage in a given radial direction of a flexible disk. When the linear motor excessively in the carriage in the given radial direction, the rubber dampers work to stop the carriage in a manner so as to prevent a shock.

Abstract: In a magnetic recording/reproducing device, a voice coil motor includes a voice coil and a magnetic circuit for producing a magnetic field intersecting the electric current flowing through the voice coil. The voice coil motor drives a carriage holding a magnetic head. A flexible printed circuit is disposed adjacent to the voice coil for feeding the electric current to the voice coil and sending signals to and from the magnetic head. Between the voice coil and the flexible printed circuit is interposed a magnetic shield for preventing to noise from influencing the flexible printed circuit upon feeding the electric current to the voice coil.