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Patent Searching and Data


Matches 1,551 - 1,600 out of 13,228

Document Document Title
JP4287547B2  
JP4286484B2  
JP2009139263A
To provide a carbon identification method of a brush capable of quantitatively obtaining a ratio of natural graphite to artificial graphite included in the brush, and identifying a distribution state thereof.This brush feeds power to a c...  
JP4283029B2  
JP4286225B2  
JP4283583B2  
JP4282014B2  
JP4279582B2  
JP2009131078A
To provide an electric motor capable of reducing installation space for a brush holder and of effectively shortening the shaft.In this electric motor, the bottomed tubular brush holder 19 is inwardly mounted with a brush 18 in an energiz...  
JP2009129782A
To prevent the occurrence of a short circuit between electrodes as much as possible, to form a high-precision electrode by a simple method, and to downsize the whole of a device.In the slip ring 31, a plurality of different electric sign...  
JP2009131095A
To reduce the manufacturing cost of a flat commutator by preventing a resin material from adhering on the sliding contact surface of segment pieces, in molding the resin material.A plurality of segment pieces are attached on a resin-made...  
JP2009131046A
To provide a method of manufacturing a commutator, capable of reducing wasting of materials and improving yield, and to provide a commutator and an armature.Wire connection claws 6 made of an independent different member are each fixed o...  
JP2009124797A
To enhance ease of work of assembling a torsion coil spring that biases a brush toward a commutator.Anchoring grooves 15 are formed in the outer side face of an end cap 3 fixed on a motor case 2. The anchoring grooves are extended from o...  
JP4273366B2  
JP2009117387A
To provide a conductive structure which can be manufactured at a low cost and can maintain and stabilize a conductive status.The conductive structure is composed of a conductive rotating axis 16, a conductive rotating body 20 which rotat...  
JP2009117090A
To solve a problem that, with a conventional electric cord, plug and socket, the cord is twisted if it is continuously rotated, and leakage or break tends to result.The electric cord, the plug and the socket prevent leakage or break by b...  
JP4268522B2  
JP2009112193A
To provide an improved commutator for an electric motor.The commutator 10 for an electric motor has a plurality of commutator segments supported by a base. Each segment has a conductive body portion 14 and at least one conductive foldabl...  
JP2009112177A
To provide a DC motor effectively reducing operation noise.Each gap S between the segments 16 of a commutator 15 is made constant while a segment width pitch is made to be unequal. Each segment 16 is disposed in a disposition order to be...  
JP2009106087A
To provide a carbon graphitic carbon brush that contributes to the fine brake performance of a motor for an electric power tool having a brake function and to the longer life of a brush and a commutator.The carbon brush used for a motor ...  
JP2009105029A
To provide a rotary connector, which is an electric connector for conductive connection, with one connector component relatively rotating with respect to another connector component, achieving high reliability and durability.The rotary c...  
JP2009096560A
To provide a current collector capable of having a compact constitution by comparatively reducing an occupied space even when more control wires and wires for supplying power are required.In this current collector 10, a plurality of slip...  
JP2009517993A
It is a brush attachment component (34) which positions a carbon brush to a commutator (30) of an electric motor and an electric motor (12), At least one fixing means (55) for fixing a brush attachment component (34) to a printed circuit...  
JP2009094039A
To solve the following problem: in a conventional extension cord, since it is left lying about in many cases, its beauty is spoiled thereby, and there is a danger of stumbling.A connector using an outlet by pulling it out is provided. In...  
JPWO2007055164A1
ブラシを、高電圧対応型の電動モータに用い た場合であっても、整流状態がよいものに構 成する。ブラシBを、天然系黒鉛に人造系黒 鉛を混合した原材料を用い、プレス成形...  
JP3150015U
[Subject] Offer of an electrical engineering drum which can stop certainly an end by the side of a plug of an electrical cord to a drum without requiring required accessories when an electrical cord is rolled round by drum. [Means for So...  
JP2009089576A
To provide a novel commutator which very much strengthens the fastening force of commutator segments arranged around a holder at equal intervals to be able to endure strong impacts, even without a washer.The commutator 1 is constituted b...  
JP4252795B2  
JP4252582B2  
JP4248302B2  
JP2009071991A
To provide a brush device that prevents damage to a brush in a state before mounting to an electric motor frame.The brush device 21 is configured as follows: a carbon brush 31 is stored in a cylindrical brush holder 26 mounted to an insu...  
JP2009071961A
To provide a DC motor which can control backlash of a power supply brush which slides on a sliding surface consisting of a plane intersecting the axis perpendicularly.The DC motor M includes a commutator 14 provided with a sliding surfac...  
JP2009064675A
To increase the production yield of a contact plate.When forming the contact plate 27, a conductive sheet material is stamped out to form a plate body 28. In this case, an interruption notch 29 is formed in an inner peripheral of the pla...  
JP4245687B2  
JP2009059587A
To provide a slip ring that can be constituted inexpensively by drastically reviewing points such as inferior assembling performances causing cost increasing factors, and structure of the ring or the like in a slip ring mechanism.The sli...  
JP2009055707A
To provide a brush that makes it possible to achieve both the elongation of a brush life and the reduction or elimination of running processing time and is inexpensive.A rotating electrical machine includes: a sliding contact surface 14 ...  
JP4237728B2  
JP4237192B2  
JP2009043558A
To provide a slip ring capable of improving assemblability and reducing parts unit price.The slip ring 100 is constituted of a rotation side substrate unit 130, a fixed side substrate unit 131, and a retaining member unit 132. Then, the ...  
JP4230358B2  
JP2009038913A
To provide a manufacturing method for commutators, wherein a commutator are easily manufactured and it is so structured that a commutator piece is hardly broken away from an insulator.The manufacturing method comprises the steps of: roun...  
JP3148447U
[Subject] An electrical engineering drum which does not produce modification of goods at the time of transportation is provided. [Means for Solution] An electrical engineering drum is provided with the following. Fixed stand, A power cor...  
JP4223837B2  
JP2009027792A
To provide a carbon commutator in which a bonding state between a riser and a segment is excellent.In a commutator 1 in which a riser metal 5 configuring the commutator is bonded to a segment 3 using solder, a segment bonding portion equ...  
JP2009027807A
To provide a motor 1 which suppresses deterioration in commutation by maintaining a brush 3 and a commutator in an excellent and stable contact state.The commutator surface 8 in contact with a brush 3 is inclined to the surface orthogona...  
JP2009027791A
To provide a carbon commutator configured so that separation between a riser and a segment is prevented and compaction is not impaired.The riser 4 constituting the commutator 1 comprises a segment joining portion 4a connecting to the seg...  
JP2009027793A
To provide a carbon commutator constituted so that a solder is prevented from elution from an insulating groove in coil fusing.A ring-like segment bonding portion equivalent portion 8a of a metal plate 8 which is used as a plurality of r...  
JP2009009796A
To provide a rotary joint preventing degradation of efficiency of optical transmission.A rotating body part 21 is provided with a conductive ring 6, and a light-transmitting light guide tube 19, while, a rotary part 2 is provided with a ...  
JP2009011060A
To provide a commutator in which insulation can be assured between coupling portions that mutually adjoin in the circumferential direction.The commutator 25 includes twenty four segments 31 arranged in the circumferential direction, a sh...  
JP2009000334A
To provide an endoscope connector device for stably retaining an electrical connection feature over a long period of time without making an electric contact wear away and for preventing the occurrence of an inappropriate electrical conne...  

Matches 1,551 - 1,600 out of 13,228