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JP2003319205A |
To provide a camera that is freely turnable at 360 degrees, a turnable input-output mechanism and a method for inputting and outputting a signal for the camera.In this camera that is freely turnable at 360 degrees, the camera has a pedes...
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JP2003309951A |
To provide an axial sliding commutator that does not cause an increase in current consumption by eliminating loss induced by magnetism, a rotor equipped with the commutator, and an axial-space type motor equipped with the rotor.The axial...
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JP2003309950A |
To provide a commutator capable of improving the fixing strength of a segment and heat dissipating characteristics by an inexpensive structure.In the disc-shaped commutator 15 in which the metal segment 17 is arranged at the end of a pla...
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JP3457866B2 |
To reduce the cost by making a one-sided printed wiring board cope with a commutator consisting of a printed wiring thin board which has at least six pieces of segments, improving a printed wiring board. At least six pieces of sliding se...
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JP2003299321A |
To provide a brush device wherein a brush in prevented from rattling in a brush holder.Substantially oval rear plate-side engaging portions 10c are formed on rear plates 10 of the brush holders 5. The rear plate-side engaging portions 10...
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JP2003299323A |
To provide a brush device wherein a brush is prevented from rattling in a brush holder.The brush device 5 comprises the brush 22 whose tip is abutted against a commutator 9, the brush holder 21 which substantially houses the brush 22 so ...
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JP2003285009A |
To increase the generation force of vibration through an increase in eccentric mass and to enhance assembling properties while achieving the miniaturization of a coin type vibration motor.The coin type vibration motor includes upper and ...
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JP3453178B2 |
PURPOSE: To provide a solid lubricant composition which gives excellent lubricity, is substantially independent, in its friction coefficient, of external conditions, is capable of controlling the friction coefficient at a desired level, ...
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JP2003284291A |
To integrally coupling commutating portion pieces with slip rings separate therefrom with ease and accuracy without need for welding for the enhancement of the productivity of and the reduction in the cost of a commutator.The commutator ...
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JP2003284293A |
To suppress variation in the position of contact between the commutator of a rotor installed on the rotating shaft of an electric motor and a brush held on a brush holder, and variation in the rotating capability of the electric motor.Th...
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JP2003278186A |
To utilize the intrinsic working ability of a working machine by avoiding the interference of a working unit with a slip ring, and to facilitate the mounting, maintenance and wiring work of the slip ring.The slip ring 21 for performing t...
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JP3451742B2 |
PURPOSE: To provide an electric brush capable of shortening the overall length (in the direction of abrasion) of itself while avoiding the drop of mechanical strength of each part. CONSTITUTION: In a brush consisting of a head 3, which h...
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JP3448809B2 |
To improve the assembly operability of an electric conduction means for applying a developing bias voltage to an upper seal body 50 drastically than heretofore. The developing device 2 has a developer application means 20 for applying a ...
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JP3446091B2 |
To constitute each part constituting a current collecting ring assembly on an identical axial line. Electrically conductive members 12, 15, a cylindrical slip ring 10, an insulating ring 18 and the like are successively fitted into the l...
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JP2003259607A |
To provide the low noise of a motor formed by elastically bringing the inside diameter side face of a brush energized from the outside diameter side into sliding contact with the outer periphery of a commutator integrally fitted onto a m...
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JP2003257579A |
To provide a grounding device having a conductive part prevented from abnormal abrasion and defective grounding, to which, the maintenance work can be easily carried out.For the grounding device 30, a rod 31 is forward and backward movem...
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JP2003259605A |
To obtain high and stable continuity between a metallic segment and a commutator segment of a cylindrical commutator.This cylindrical commutator is constructed by bringing the metallic segment having a region for winding connection into ...
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JP2003527059A |
The invention concerns a commutator device (1) for electric motor, comprising a housing part (2) and commutator brushes (3) housed in the housing part, each brush comprising a contact surface (8) designed to be pressed in contact against...
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JP3443385B2 |
To obtain a commutator which has commutator segments whose hooks are connected electrically to conductors with improved reliability. This commutator 20 has commutator segments 22 which have recessed parts 24 in which coils 6a, 6b and 6c ...
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JP3442520B2 |
PURPOSE: To provide a planar carbon segment rectifier, wherein the carbon segment is simply and securely fixed to a base member. CONSTITUTION: A segment 7 of a planar commutator is molded on a contact member 5. The respective carbon segm...
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JP2003244900A |
To enhance the life time of a connection and to suppress the welding of the connection.A brush moving means comprises a magnet 11 that is attached to a positive pole brush 4a, without manually operating the positive pole brush 4a and an ...
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JP3439904B2 |
To provide a commutator motor in which the electric connection of a field winding to brush case can be facilitated and the number of components is deleted to facilitate the automatic assembling. A brush holding hole 3 for holding a brush...
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JP3437351B2 |
To simplify the structure of an electromagnetic coupling device and its manufacture, by molding a cylindrical resin to form a slip ring, and a resin for protecting a lead wire simultaneously, so as to form in a unitary structure. This de...
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JP2003230255A |
To provide a dynamo-electric machine which not only can prevent the disorder of rectification, the drop of motor efficiency, and the occurrence of vibration and noise of an armature but also can reduce the slip sound of a brush and the a...
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JP2003224947A |
To provide a commutator motor capable of improving the resistance of a brush sleeve in the vertical axial direction and the brush oscillating direction, improving the holding ability of the brush, and attaining size and weight reductions...
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JP2003219611A |
To provide a brush holder which can elongate the life of a brush and also can raise the rigidity without increasing the number of parts.A connecting part 31e, which connects both sidewall parts 31c and 31c together, is made on the side o...
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JP2003212679A |
To form a commutator 1 for electric motors comprising a copper layer 3 laminated on a carbon layer 2 which has no corrosion caused by alcohols, wherein no binder is required for sintering the carbon layer, and a strong, secure adhesion b...
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JP3431261B2 |
PURPOSE: To provide a brush for an electric machine having a power preventive structure to maintain stable installation resistance under a severe service condition as well as to exhibit excellent durability. CONSTITUTION: In a brush stru...
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JP3425962B2 |
A metallic ring 45 molded by punching a copper plate having hooks 43, etc., and a carbon member 46 are brazed to each other by a brazing material having a higher melting point than the temperature for connecting a coil to conductive memb...
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JP3425444B2 |
Rotary connector for use with a flexible elongate member having electrical properties and having a proximal extremity with at least first and second conductive spaced-apart sleeves provided thereon. A housing is provided having a bore th...
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JP2003199284A |
To provide a motor of which the structure can be simplified and in which the positional accuracy of a brush can be improved.The motor comprises a cylindrical yoke 1; a bracket 2 that closes the opening of the yoke 1; a magnet 3 that is f...
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JP2003199301A |
To provide a brush structure of a motor, which can surely press a worn brush against a commutator without a lead wire catched by a spring.The flange side of a collar member is bumped against the end on lead wire material side of the brus...
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JP2003197340A |
To provide a slip ring device capable of improving reliability by always varying a contact position with a brush of a fixed contact member during the rotation of a slip ring of a rotary contact member of either of a disc type or a drum t...
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JP2003199298A |
To easily solder a varistor to the riser of a commutator of a small DC motor used for office automation/information related apparatus.The riser is radially protruded from the outer periphery of a resin mold. The riser is provided with an...
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JP3423684B2 |
To provide an electric contact structure capable of enhancing image quality by improving the precision of a sleeve flange, and also stabilizing the contact between a sleeve electrode and a contact part of a developing bias electrode even...
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JP2003189550A |
To solve a problem that a pigtail buried in a brush eventually touches a commutator when the brush wears away to cause cracking or chipping of the brush and other component is damaged during rotation to cause a trouble in recycling.The b...
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JP2003189551A |
To obtain a dynamo-electric machine in which a pigtail 11 is prevented from touching a commutator through the effect of external vibration, or the like, and lowering of strength of a brush holder 6 is suppressed.A brush holder 6 is provi...
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JP2003189548A |
To provide a DC motor in which the lifetime of a brush is prolonged.The DC motor comprises an armature constituting a commutator by arranging a plurality of commutator segments radially on the outer circumference of a shaft while insulat...
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JP2003189549A |
To prevent the motor characteristics of a third brush type variable speed motor from deteriorating.A pair of high speed side negative pole brushes 4a and 4b divided in the circumferential direction of a commutator 2 are disposed between ...
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JP2003519578A |
A power tool (10), in particular an angle grinder, having a housing (12) that receives an electric motor (21) and a gear (26), the motor (21) having a rotor (210) which is guided in rotor bearings (2100) and on one hand carries a collect...
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JP2003169437A |
To provide a coreless motor which can elongate its life.This coreless motor 1 is equipped with a rotor where a cylindrical coil 9 accommodated in an armor casing 13 and a commutator 10 are fixed to a shaft 6 via a coil holder 8; a stator...
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JP2003518900A |
The invention concerns a method for producing a hook commutator for an electric motor with a metal layer (7). The metal layer (7) is applied to only one broad side (4) of a metal band (3) in a first step, so that the metal layer (7) is l...
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JP2003164098A |
To provide a power supply structure of a motor in which the connection part between a brush sliding on a commutator of a motor and a harness for supplying power to the brush is integrally molded.The connection part between a brush 8 whic...
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JP2003164115A |
To suppress the generation of brush vibration and a brush hitting sound of a brush unit using a brush having a high back in the direction of the rotating shaft of a motor.The brush unit 10 comprises: a brush 20; a spring 30 that energize...
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JP3412257B2 |
PURPOSE: To achieve a smooth rectification operation without generating a step in an armature even in the case of high output, high input, and high-speed rotation by forming an insulating material for holding the armature from high- stre...
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JP2003517381A |
A coaxial drive employs a base member which is secured to a housing and is open to atmosphere and mounts rotatably an interior drive shaft about said base member so that rotation of the drive member in either direction in a full 360° ci...
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JP2003153500A |
To provide a brush which can surely protect a motor from burning when the motor is locked, and a high reliability motor or the like provided with the brush.In this brush 7, a conductive junction member 12 which is formed of material havi...
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JP2003151712A |
To provide a slip ring device capable of realizing a small size in a radial direction of a whole of device by arranging a pair of slip rings at positions opposed to each other.In the slip ring device 10, an electric connection between re...
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JP2003143813A |
To restrain generation of sliding noise and brush tapping noise from a brush device using a tall brush in a direction of rotation axis.This brush device 10 comprises: a brush 20 formed with a first protrusion 22a as a first running-in we...
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JP2003134744A |
To enable temporary brush holding with a simple structure without increasing man-hours.A notched groove 32a having the same width of the diameter of a pigtail 40 is formed at a corner of the brush case 32, and the pigtail 40 is softly pr...
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