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Patent Searching and Data


Matches 701 - 750 out of 9,173

Document Document Title
JP5415751B2  
JP2014027843A
To provide a structure which securely fixes a stepping motor to a circuit board.A stepping motor includes: a boss part 216 which stores a shaft 403 at the inner side thereof, protrudes in an axial direction, and is used for fitting in a ...  
JP2014018041A
To provide a quiet and compact stepping motor that restricts displacement of a shaft in a radial direction inexpensively without changing the total length of the motor and reduces rattle noise.A stepping motor includes: yokes 4, 5, 6, an...  
JP2014017905A
To provide a quiet and compact stepping motor that restricts displacement of a shaft in a radial direction and reduces rattle noise.A stepping motor includes: yokes 4, 5, 6, and 7 each having a plurality of pole teeth that are formed lik...  
JP2014018040A
To provide a quiet and compact stepping motor that restricts displacement of a shaft in a radial direction inexpensively without changing the total length of the motor and reduces rattle noise.A stepping motor includes: yokes each having...  
JP2014003832A
To provide a stepping motor with high quietness, which reduces a strike sound of a rotor magnet and a bearing section while a drive torque characteristic is maintained.A stepping motor includes: a rotor having a rotor magnet fixed to a r...  
JP5383080B2  
JP5374314B2
To provide a waterproof structure of a flow control valve wherein a sealing structure for preventing a fluid flowing through a valve from reaching a stator is configured very easily. The waterproof structure of a flow control valve consi...  
JP2013255344A
To securely remove a backlash even when gear precision is inferior.A pair of driving-side spur gears 2, 3 are rotated by stepping motors 4, 5, and rotor shafts 4a, 5a of the pair of stepping motors 4, 5 are mutually set so that tooth fac...  
JP5373352B2
To provide a camera blade driver that an electromagnetic actuator having approximately U-shaped yoke drives at least one of the blades back and forth and that its design flexibility can be maintained even when making it thin and using a ...  
JP5373006B2
The invention provides a hybrid stepping motor which enables magnetic flux that penetrates through rotor iron cores to be balanced and equalized, reduces leakage magnetic flux, increases effective magnetic flux, improves motor property a...  
JP5373351B2
To provide a blade drive device for a camera which causes an electromagnetic actuator having a substantially U-shaped yoke to reciprocate at least one blade, wherein reduction in thickness of the device and small plane shape of a base pl...  
JP5365171B2
To provide a motor that simultaneously achieves reduction in cogging and ripple. A motor 1 has a stator 2, in which a plurality of teeth 21 are formed at equal intervals in a specific direction, and a moving element 3 supported freely mo...  
JP3187632U
[Subject] The weight saving of the rotor is carried out, inertia is made small, and a rotor for hybrid form stepping motors which can make an usable zone large is provided. [Means for Solution] Rotor 1A of a hybrid form stepping motor co...  
JP5351530B2
To increase the supporting strength of a terminal base, in a motor formed with the terminal base is formed by insert molding into a core. A terminal base 30 is integrally insert-molded to a terminal base holding part 16 which passes a no...  
JP5351529B2
The invention provides a motor including a terminal block that is insert molded into a core, so as to increase the strength to support the terminal block. A stator has paired inner cores configured by two inner cores facing back to back ...  
JP5348459B2
A power transmission device which is free from a possibility of breakage of a driving member is provided. A stepping otor (driving member) 61a configured to be driven on the basis of a command signal from a controller 70, a lead screw po...  
JP5340662B2
To provide a permanent magnet type stepping motor with a small diameter by reducing the thickness of a terminal holder in the radius direction. In a stepping motor 1, a pair of inner yokes 13 which has multiple pole teeth 13a, a pair of ...  
JP5340859B2
To provide a step motor provided with a means for positioning a rotor axial center and a stator hole with high accuracy, and including a structure for positioning a rotor and stator, in which a positioning member substantially does not e...  
JP2013226038A
To provide an improved linear actuator incorporating a stepping motor having high detent torque without associated high vibration during operation.A linear actuator with a high holding force providing good irreversibility has a high effi...  
JP2012060823A5  
JP2012065505A5  
JP2013223416A
To provide a drive unit for amplifying a magnetic force, which sandwiches faces of both N and S poles of a permanent magnet having a strong magnetic force, between core edges of two electric magnets, arranges one or more permanent magnet...  
JP2013223368A
To provide a motor which prevents a bearing holder, which slidably holds a bearing supporting the anti-output side end part of a rotation shaft, from being fastened to a permanent magnet fixed to the rotation shaft.A motor includes: a ro...  
JP2012058585A5  
JP5318758B2
The invention relates to a ring coil motor (1, 20) with a primary part (3, 21) and a secondary part (2, 22), wherein the primary part (3, 21) has a ring coil (6, 25) and permanent magnets (9, 27).  
JP5317228B2
To provide an inexpensive rotary electric machine capable of easily and certainly fixing a motor cover which is arranged on one side of a stator core in the axis direction. A rotary electric machine includes: a stator which is constitute...  
JP2013212039A
To provide a stepping motor which enables a stator to be coupled to front and end plates only by assembly.A stepping motor has a structure where a stator is sandwiched by a front plate 210 and an end plate 310 from axial front and rear s...  
JP2013211967A
To provide a stepping motor having a structure which makes looseness less likely to be caused between a bobbin and members forming a stator.A protruding part 237 having an inclined surface is provided at a bobbin 230, and a pore 224 is p...  
JP2013207960A
To reduce a load to a coil terminal while simplifying a partner side connector terminal.In a valve drive device 1 driving a valve body 72 by means of a motor M in which a pair of stator sets 50A and 50B are arranged so as to be aligned i...  
JP2013207921A
To provide an actuator that is easy to be assembled and that can absorb influences of dimensional accuracy of configuration components, and to provide a method of manufacturing an actuator.In a state that an actuator main body 171 is for...  
JP2013201825A
To provide a stepping motor capable of outputting a higher torque while having the same outer diameter dimension and suppressing vibration and noise.A hybrid stepping motor 10 includes a rotor 30 on an outer circumferential surface of wh...  
JP2013201824A
To provide a stepping motor capable of outputting a higher torque while having the same outer diameter dimension and suppressing vibration and noise.A hybrid stepping motor 10 includes a rotor 30 on an outer circumferential surface of wh...  
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...  
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...  
JP2013192447A
To provide a motor easy for a user to check a joint state in joint constitution where a tabular member is dissolved and joined to a stator, and to provide a method of manufacturing the motor.A motor 2 comprises: a stator 21 with a rotor ...  
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...  
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...  
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...  
JP2013172541A
To provide a linear actuator having ball screw structure without forming a ball groove on the inner diameter side of a rotor.A linear actuator includes: an output axis 150 on which a spiral groove 150a is formed; a retainer 114 which has...  
JP2013158110A
To improve the balance of a counter electromotive voltage rate between an A phase and a B phase in order to improve rotation accuracy of a stepping motor.A stepping motor includes: a rotor 2 having a permanent magnet 23 subjected to mult...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
JP5241184B2  
JP2013137404A
To suppress oscillation and noise as much as possible in a driving device including a driven gear formed of a stepping motor and a resin material.A driving device includes a stepping motor 27 directly connected to a pinion gear 28 having...  

Matches 701 - 750 out of 9,173