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Patent No. 6650315

Mouse device with a built-in printer

A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.

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Class 310/154.08 - Mounted to magnet yoke


Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter wherein at least one permanent magnet is
No. of patents: 42
Last issue date: 08/04/2009


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NumberTitleIssue Date
7569960Yoke assembly for stator of starter motor
A yoke assembly for a stator of a starter motor is disclosed including auxiliary poles and magnet springs, with each of auxiliary poles and each of the magnet springs taking the form of a subassembly. The subassembly, composed of each of the auxiliary poles prelimin...
08/04/2009
7535144Structure for retaining magnets relative to stator in electric tool
A stator, in which a rotor is rotatably accommodated, is provided with a cylindrical yoke and a magnet that is arranged so as to extend along an inner circumference of the yoke, and has a plurality of magnetic poles generating a magnetic field operable to rotate the...
05/19/2009
7342339Reluctance machine having a non-uniform air gap
A reluctance machine includes a stator having a stator core. The stator core includes a central bore and a plurality of stator poles extending inwardly from the stator core. Each of the stator poles includes a stator pole face. The reluctance machine further include...
03/11/2008
7300262Heat dissipation fan
A heat dissipation fan includes a rotor (1) having a hub (10) with a permanent magnet (104) attached to an inner surface thereof, a stator (2) and a fan frame (3) having a bearing seat (36). The bearing seat (36) incl...
11/27/2007
7119469Stator assembly with an overmolding that secures magnets to a flux ring and the flux ring to a stator housing
A stator assembly for an electric motor includes a stator housing, a flux ring inserted into the stator housing after the stator housing is formed and a plurality of magnets on an inner surface of the flux ring. Overmold material is molded around the magnets in the ...
10/10/2006
7116026Adhesion structure for motor, having thickness determining means
An adhesion structure of a motor that adheres a rotor having a first linear expansion coefficient and a magnet having a second linear expansion coefficient, which differs from the first linear expansion coefficient, with an adhesive agent. The adhesion structure inc...
10/03/2006
7112906Motor rotor and manufacturing method thereof
A motor rotor. The motor rotor adapted to be used in a fan includes a hub, a metal plate and a magnet. The metal plate has a first end and a second end. The metal plate is disposed in the hub. The magnet is disposed in the metal plate. A method for manufacturing a m...
09/26/2006
7098564Work piece
A work piece according to the invention has caulking tabs that are connected to each other by means of a bridge piece. As a result, the caulking tabs are lengthened, thus permitting better control of the caulking process because the caulking tabs overlap a component...
08/29/2006
7091642Field assembly for a motor and method of making same
A cylinder/magnet assembly for a field of an electric machine, such as a stator of a brush type motor or a rotor of a brushless motor, alternator or generator, is formed by stamping a blank to form anchors extending upwardly from a surface of the blank and stamping ...
08/15/2006
7038343Field assembly for a motor and method of making same
A cylindrical magnet ring assembly having a cylinder magnet flux ring (102) formed with a plurality of inwardly projecting anchors (108); a plurality of permanent magnets (104), wherein the magnet can be formed with step portions (112) in...
05/02/2006
7030524Motor for driving blower fan
A reinforcing ring (22) includes a ring portion (23) and a cylinder portion (24) is press fitted on a portion which is slightly shifted toward the rear end side from portions on which stators (2) are fixed on parts of a case body (1
04/18/2006
6998748Motor rotor and manufacturing method thereof
A motor rotor includes a magnetic yoke and a rubber magnet located within the magnetic yoke. At least one pattern is formed on a surface of the rubber magnet, which faces the magnetic yoke. The manufacturing method of the motor rotor is to provide a rubber magnet ha...
02/14/2006
6995488Permanent magnet field small DC motor
A permanent magnet field small DC motor includes an arc-shaped rare earth magnet of maximum thickness 1 mm or less fabricated by compression molding from rare earth iron based melt-spun flakes and a binder. The magnet is provided with a certain specific portion at b...
02/07/2006
6983529Stator assembly with an overmolding that secures magnets to a flux ring and the flux ring to a stator housing
A stator assembly for an electric motor includes a stator housing, an expandable flux ring inserted into the stator housing and a plurality of magnets on an inner surface of the flux ring. Overmold material is molded around the magnets in the flux ring, such as by i...
01/10/2006
6982511Pole ring
A pole ring suitable for d.c. motors is provided. The pole ring includes several retaining projections provided at the outer circumference for the secure retainment in a motor housing. The retaining projections have retaining surfaces pointing oppositely to the moun...
01/03/2006
6974522Method and apparatus for mounting a plurality of magnet segments on a back ring
A method and apparatus for assembling permanent magnet segments and a back ring wherein a fixture holds segments in circumaxially spaced relationship, adhesive is applied to the segments, externally from pressure sensitive adhesive tape and the fixture then expands ...
12/13/2005
6880230Method for manufacturing yoke of electric rotating machine
A yoke in a motor includes a cylindrical yoke housing having a closed end and two magnets that is located in the yoke housing. The magnets are fixed to the yoke housing with adhesive. The adhesive is applied a at least to each adhering area of the yoke housing that ...
04/19/2005
6864609Low noise motor with one-piece frame and torsion flux ring
An electric motor has a unitary frame. The frame includes locating structure extending from an end portion thereof. The motor includes a shaft and an armature disposed within at least a portion of the frame and constructed and arranged to rotate the shaft. A commula...
03/08/2005
6831387Rotating electrical machine with permanent magnets and method of making same
An improved rotating electrical machine having permanent magnets and method for attaching the magnets that permits the use of thin, high flux density materials. The magnets and their mounting plate have facing cylindrical surfaces that are spaced slightly apart and ...
12/14/2004
6750579Permanent magnet motor flux rings
A power tool includes a motor with a flux ring. The flux ring includes a ring member with a first and second end. The ends are positioned with respect to one another such that the ends move towards and away from one another during compressing and expanding of the ri...
06/15/2004
6731033Motor-driven system with stator provided with inductors
There is provided a motor-driven system which realizes an optimum driving mode for an electric automobile, a robot carrier car, a drum of a copying machine, etc., and a motor-driven system having a function as an optimum actuator for such driving. In a rotational el...
05/04/2004
6710493Dynamo-electric machine having tapered magnets secured to yoke
A rotor and each magnet are configured to satisfy one of the following conditions: (Dπ/Z)Xn+T
03/23/2004
6700269Direct current motor yoke housing having groove-like reduced thickness portions
A yoke housing that receives an armature has a plurality of permanent magnets (primary magnetic poles) secured to an inner peripheral surface of the yoke housing. Furthermore, the yoke housing includes a plurality of groove-like reduced thickness portions...
03/02/2004
6522042Anchoring system for injection molded magnets on a flux ring or motor housing
A power tool includes a flux ring with an annular member. At least one molded magnet is received on the annular member. An anchor is on the annular member to retain the at least one magnet on the annular member. The anchor is unitarily formed with the ann...
02/18/2003
6522041Permanent magnet motor flux rings
A power tool includes a motor with a flux ring. The flux ring includes a ring member with a first and second end. The ends are positioned with respect to one another such that the ends move towards and away from one another during compressing and expandin...
02/18/2003
6515389Permanent field small-size motor
A permanent magnet-excited small motor having an armature supported rotatably about a pivot axis, at least two permanent magnet poles surrounding the armature on opposed portions, and a pole housing, connecting the permanent magnet poles. In the region be...
02/04/2003
6104109Yoke manufacturing method, stator manufacturing method, and motor
A base plate is formed by press processing by cutting out a bottom portion and a side wall portion connected integrally with the bottom portion, and a rotating-shaft insertion hole is formed thereon. The side wall portion is bent at a border portion where...
08/15/2000
6064135Electromechanical machine and armature structure therefor
The coils on the disc-type armature of an electromechanical machine are all wound in the same direction (rotational sense). The coils on each face of the armature are formed into at least two series connected groups of coils which are disposed on the surf...
05/16/2000
5497039Vibration reduction system for an electric motor
A structured product family of dynamoelectric machines for use in a plurality of applications has a frame with a closed end, and a set of permanent magnets is adhesively secured within the frame. An armature disposed in the frame for interaction with the ...
03/05/1996
4777717Method for manufacturing a magnet-type motor yoke assembly
A method for manufacturing a hollow cylindrical magnetic yoke assembly for a magnet-type electric motor, including a plurality of permanent magnets attached to the inner peripheral surface of the yoke. The method comprises the steps of expanding a hollow ...
10/18/1988
4626724Waterproof device for electric motor
In a waterproof device for an electric motor having a cylindrical motor frame body which is split into a discrete portions in the axial direction of the motor, an annular elastic member is attached onto the motor frame body in a manner to cover the joined...
12/02/1986
4571515Small motor assembly
Dynamoelectric motors, particularly, a brush and brush holder assembly which comprises two semi-circular motor casing elements manufactured of non-insulating material. The semi-circular casing elements may be snap-fitted together, so as to support the ind...
02/18/1986
4566866Aggregate for feeding of fuel to internal combustion engine particularly of power vehicle
An aggregate for feeding of fuel from a supply container to an internal combustion engine, particularly of a power vehicle, comprises means forming a feeding chamber, a feeding pump having a feeding member rotatable in the feeding chamber, an electric dri...
01/28/1986
4547687Micromotor with built-in cooling medium pipes
This disclosure relates to a small-sized, high-power micromotor with built-in cooling medium pipes for medical treatment. The motor which is structurally of the type wherein the stator of the motor includes a permanent magnet and a magnetic yoke encirclin...
10/15/1985
4501983Electric machine
The motor housing comprises a cup-shaped ferromagnetic part having an open end and an axial end plate of ferromagnetic material closing off the open end to form a motor housing of rectangular cross-section when viewed in longitudinal section. A generally ...
02/26/1985
4454437Stator frame and housing for venticular starting motor with reduction gears
A permanent magnet starting motor equipped with reduction gears has a stator frame of a D.C. motor, which constitutes the starting motor, made of a tubular member which has a bottom portion. A rotary shaft of an armature is inserted from within the D.C. m...
06/12/1984
4453097Permanent magnet DC motor with magnets recessed into motor frame
A motor frame and stator assembly (20), (27), for a permanent magnet direct current motor is shown which is characterized by accommodating a larger and more powerful armature (12) relative to the interior and exterior dimensions of the frame (20). The ass...
06/05/1984
4334163DC Electric motors
A DC electric motor comprising a tubular support carrying spaced bearings, a shaft journalled in said bearings for coaxial rotation within said support and having a driven end portion extending from a first end length of said tubular support, a rotor comp...
06/08/1982
4323804Permanent magnet field motor with radio frequency interference suppressing capacitor
The permanent magnet fields encircling the armature of a direct current motor are encircled by a pair of radially spaced cylindrical metal members separated by a cylindrical dielectric member. One of the metal members and one of the brushes that engages t...
04/06/1982
4163165Permanent magnet motor
A permanent magnet motor is provided which has first and second U-shaped sections comprising the motor stator. Each section is constructed of low reluctance magnetic material. The motor armature shaft passes through a hole in the bight of each section and...
07/31/1979
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