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JP5306384B2 |
A motor capable of performing mechanical position adjustment of a magnetic detection unit to thereby adjust a phase difference between signals output from respective two magnetosensitive pole pieces. A rotor includes a magnet having an a...
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JP2013198247A |
To solve problems that, in a conventional art, because a 180[deg/step]-single-phase step motor generally used in a wrist watch having only a small battery has a simple configuration and is too small, there is a little of room for improve...
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JP5294830B2 |
A motor may include a stator formed with a rotor arrangement hole, a rotor disposed in the rotor arrangement hole, and a plate-like member disposed on at least one end side in an axial direction of the stator. The plate-like member is jo...
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JP5294699B2 |
A motor may include an urging member which is mounted on a fixed body for urging the bearing, and a pair of engaging grooves formed on the fixed body. The urging member may includes a pair of hook parts which are bent from respective tip...
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JP2013176200A |
To provide an actuator that reduces vibration noise.A polyurethane vibration-proof sheet 60 has an annular shape approximately identical to a cross sectional shape of a stator yoke 43 of a stepping motor 40, and has a thickness of 0.9 mm...
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JP5264323B2 |
A motor may include a rotor having a rotation shaft, a stator disposed on an outer peripheral side of the rotor, a frame fixed to the stator, and an urging member made of metal for urging an end part on an output side of the rotation sha...
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JP5264322B2 |
A motor may include a rotor having a rotation shaft, a stator disposed on an outer peripheral side of the rotor, an output side bearing which supports an end part on an output side of the rotation shaft in a radial direction and an axial...
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JP2013150436A |
To fix a bearing plate to a yoke and an end plate with a simple structure.A cylindrical yoke 42 is arranged so as to surround a rotation shaft 21 around which a magnet 22 is fixed. A plurality of pole teeth 43 are formed to an inner peri...
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JP2013150373A |
To provide a permanent magnet type stepping motor integrated rotary mechanism, having a simple configuration, small sized, capable of outputting high torque, and highly versatile.In a permanent magnet type stepping motor, a rotor 6, whic...
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JP2013150401A |
To fix a bearing plate to a yoke and an end plate with a simple structure.In a state where a protrusion 63 is moved to an engaging hole 71b, a bearing plate 6 is in such a state that the extension surface 63a of the protrusion 63 abuts a...
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JP2013146170A |
To fix a bearing plate to a yoke and an end plate with a simple structure.A support part 44 is provided in an area ranging from an end part of an outer yoke 42 to a pole tooth 43, and a bearing plate 6 is housed in the outer yoke 42 so t...
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JP2013142576A |
To solve the problems that: when an external load acts in either the normal rotation direction or the reverse rotation direction in a step motor using a mechanism for converting a swing motion of a rotor used continuous needle handling a...
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JP5241184B2 |
In a motor driving apparatus, an incline of boundary lines of magnetic poles with respect to a rotating shaft of a rotor and an incline in a movable direction of a magnetic detection unit with respect to the rotating shaft of the rotor a...
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JP5230303B2 |
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JP5231818B2 |
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JP5235330B2 |
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JP5227684B2 |
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JP5213525B2 |
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JP5207921B2 |
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JP2013116023A |
To reduce noises generated when a driving source driven according to an input of an input signal is driven.There is provided a drive transmission system (101-113) including a driving source (98, MA2) which includes a plurality of electro...
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JP2013115948A |
To fix a bearing plate to a yoke and an end plate using a simple structure.In a stepping motor, a cylindrical yoke 42 is arranged so as to surround a rotational shaft 21, a plurality of pole teeth 43 are provided around the rotational sh...
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JP5204377B2 |
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JP5201935B2 |
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JP2013099073A |
To provide a motor capable of preventing beat sounds of a rotor by a stable spring force, and having simple clutch means.A rotor 2 has: a cylindrical rotor supporter 4 at whose outer periphery a rotor magnet 4b is provided, and at whose ...
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JP2013093939A |
To provide a bobbin with a terminal capable of preventing a lead wire from being caught by a terminal in winding of the lead wire even if a distance between a wound part to which the lead wire is wound and the terminal is short.A bobbin ...
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JP5192967B2 |
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JP5193438B2 |
In a motor having a pawl-shaped magnetic pole, if a coil is wound like a ring shape so as to be formed, one leader line can be generally drawn out to an external portion from a position close to an outer periphery of a stator, however, t...
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JP5188914B2 |
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JP5188159B2 |
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JP5185385B2 |
A stepping motor may include a rotor having a drive magnet and a stator having a drive coil wound in a tube shape and disposed on the drive magnet. The stator may include a first yoke, a second yoke, a plurality of first pole teeth, and ...
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JP5185386B2 |
A stepping motor may include a rotor having a drive magnet and a stator having a drive coil wound in a tube shape and disposed on the drive magnet. The stator may include a first yoke, a second yoke, a plurality of first pole teeth provi...
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JP5179462B2 |
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JP5171067B2 |
To provide a driving device reduced in cost, size, and axial length, while achieving high output and stable driving. At the outer circumferential surface of a magnet 6, the pole facing a first outer magnetic pole portion 1a and the pole ...
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JP5172225B2 |
A PM stepping motor includes: a stator assembly composed of two stator units which are axially coupled to each other with a molding resin material, and each of which includes: inner and outer yokes each having a plurality of pole teeth; ...
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JP2013048498A |
To provide a hybrid type rotary electrical machine that has a deviation angle a half as wide as a pole tooth pitch T between magnetic teeth of two rotor magnetic poles sandwiching a permanent magnet of a rotor therebetween with simple co...
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JP5151120B2 |
To provide a fixing structure for synthetic resin member to a shaft which can surely prevent a backlash from occurring between the shaft and the member, by simple and easy structure, when injection-molding a member made of synthetic resi...
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JP2013038936A |
To provide a step motor that can accurately maintain steps on a 60-degree basis with an easily formable configuration.A step motor includes: a rotor 5 that is two-pole magnetized in a radial direction; a first magnetic pole 15a, a second...
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JP2013038867A |
To reduce influence on a position detection element 6 of a current flowing in a stator winding 12 of a rotary electric machine 1.A stator magnetic pole 16u includes a radial direction projection 18 which covers a stator winding 12 from a...
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JP5141861B2 |
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JP5144472B2 |
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JP2013031342A |
To provide a hybrid stepping motor that has improved assemblability and motor characteristics by reducing the number of rotor cores in assembly of a multi-stage rotor.A hybrid stepping motor includes: a first rotor core 4 that is assembl...
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JP5137099B2 |
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JP2013027185A |
To provide a motor that more effectively suppresses noise due to looseness of a bearing inside a through hole of a bearing holder.In a motor 1, a bearing 7 is arranged inside a through hole 80 of a bearing holder 8 so as to be movable in...
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JP5134222B2 |
A housing 25 of a stepping motor 1 consists of a pair of case sections 27 arranged in front and rear in the direction of an axial line L of a rotating shaft 3. The case sections 27 are formed of: an end plate 27a to which a bearing 31 fo...
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JP5134230B2 |
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JP2013015167A |
To downsize a scan driver for use in a monitor system or the like, and to eliminate a risk of the generation of abnormal noise.In a space between a stepping motor 2 and a sensor holder 145, there is arranged a planetary gear mechanism 4....
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JP5128800B2 |
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JP5127193B2 |
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JP5126464B2 |
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JP5120961B2 |
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