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Patent No. 6125480

Vehicle mounted toilet seat

An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.

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Class 310/27 - Fixed and movable wound elements


Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter in which both of the relatively movable parts
No. of patents: 135
Last issue date: 11/15/2011


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NumberTitleIssue Date
8058754Linear drive with a reduced axial force component, as well as a linear compressor and refrigerator
A linear drive including a stator and a rotor configured for linear reciprocal movement along an axis, with the stator having a magnetic-field guide core having a plurality of legs extending each with one foot substantially toward the rotor, with the rotor having a ...
11/15/2011
7443060Acoustic compressor with two resonators
A resonator of an acoustic compressor is provided at each side of an actuator so that the two resonators are arranged side by side. Two pistons are provided at the inner ends of the resonators and actuated by the actuator. At the outer end of the each of the resonat...
10/28/2008
7362003Coil switching circuit for linear electric generator
In a linear electric generator (LEG) which includes apparatus for passing a permanent magnetic assembly (PMA) along linearly disposed sections of coils of an induction coil assembly (ICA) for generating voltages and power, a switching arrangement for coupling only s...
04/22/2008
7345438Electromagnetic driver
In an electromagnetic driver according to the invention, electromagnetic units are arranged in the axial direction of a shaft, and a power supply change-over device is so formed that, when an attractive magnetic field arises between the coil unit and the magnetic un...
03/18/2008
7328474Electric toothbrush with linear oscillator
An electric toothbrush includes a drive part, a driver, a brush part and a vibration-absorber. The drive part includes a drive shaft provided to be lineally movable and a brush part detachably attached to one end of the drive shaft. The driver is configured to apply...
02/12/2008
7288863Electric appliances having electric motors for driving oscillatory elements
an electric appliance includes an electric motor having a first oscillatory element, a second oscillatory element and an electric coil configured to generate a magnetic field to drive the first and second oscillatory elements. The electric appliance also includes a ...
10/30/2007
7274120Drive unit and image pickup unit equipped with the drive unit
A drive unit for performing precise linear movement of a driven object comprises a motor having a cylindrical stator and a cylindrical rotor that is coaxially put in the cylindrical stator and capable of rotating relatively to the cylindrical stator, a movable barre...
09/25/2007
7271690High current long life inductor
An inductor for high current applications includes a nonconductive, tubular form which defines a tube axis and has a cylindrical outer surface. The outer surface is formed with a groove that extends helically about the tube axis. The inductor further includes a coil...
09/18/2007
7239052Magnetic actuators
A magnetic actuator. A yoke includes a first opening and a second opening, a frame, and a path. A first magnet is disposed in the first opening in the vicinity of the frame. A second magnet is disposed in the second opening in the vicinity of the frame. A coil compr...
07/03/2007
7148590Polyphase sawyer motor forcer
An improved hybrid variable reluctance linear forcer design of the type known as a Sawyer motor forcer is provided with a 6-phase magnetic design. The 6-phase magnetic design has reduced force ripple compared to existing 2/4-phase and 3-phase designs providing smoot...
12/12/2006
7145271High performance linear motor and magnet assembly therefor
A magnet assembly includes a back iron and an array of magnets. The back iron is in the form of a plate having opposed surfaces. The magnets are arranged along one of the surfaces, with the other surface being dimensioned and configured according to the magnetic fie...
12/05/2006
7120920Disc drive and optical disc drive
An easily manufacturable optical disc drive that provides for accurate writing and reading of information signals to and from a disc loaded therein by maintaining the horizontal balance of its base during operation, and that provides for smooth loading and unloading...
10/10/2006
7057314Electromagnetic motor system capable of removing heat away from its magnetic gap
An electromagnetic drive motor assembly (EDMA) has at least one bridge that extends along a radial direction to conduct heat away from the magnetic gap and towards the outer surface of the EDMA. The EDMA includes a conductive ring between a first plate and a second ...
06/06/2006
7012345Electromagnetic motor with flux stabilization ring, saturation tips, and radiator
The present invention provides an electromagnetic drive motor assembly (EDMA) that has an inner flux return assembly formed from an upper pole piece and a lower pole piece oppositely disposed relative to each other along the center of the EDMA. An annularly position...
03/14/2006
7009310Autonomous power source
An autonomous power source comprises a power harvester mounted on a movable structure. The power harvester includes a coil, a magnet, and a low-friction ferrofluidic bearing in contact with the magnet, arranged such that the magnet and coil move with respect to each...
03/07/2006
6994530Vibrating type compressor
A vibration type compressor related to the present invention, in which a compressor main body 3 is built into a gastight vessel 2 including a yoke 7-1, a magnetic path member 7 formed from a column-shaped core pole 7-2,
02/07/2006
6992408Linear drive device
A linear drive device has a stator and an armature able to be moved in relation to the stator in a linear manner. The device furthermore comprises an electrodynamic linear direct drive system and a fluid power drive system. Using the two drive systems it is possible...
01/31/2006
6977450Linear motor and linear guiding apparatus
A linear motor is provided that includes a rod-like member having a cylindrical body made of a non-magnetic material and a plurality of plate-like segment magnets accommodated in the cylindrical body such that they are stacked in a longitudinal axial direction of th...
12/20/2005
6958553Linear oscillator
A linear oscillator includes a reciprocating moving part, a case to contain the moving part, and an amplitude control spindle moveably supported in the case. The moving part and the amplitude control spindle reciprocate at a frequency approximately equal to the reso...
10/25/2005
6894408Linear voice coil actuator with compensating coils
An actuator is provided in which one or more separate compensating coils are employed to alter the distribution of the magnetic flux density in the air gap to produce a substantially constant force throughout the stroke; and in which current in the separate compensa...
05/17/2005
6879065Linear actuator
An improved linear actuator incorporates a DC motor whose stator is secured to a frame is provided for. To improve operational longevity and reliability of a linear actuator, the improved actuator includes a retention clutch and an axial load limiter. An axially con...
04/12/2005
6848892Oscillation-type compressor
A tightly closed casing has an inside space for storing coolant gas. A block is accommodated in this casing. A motor includes a stator and a mover. A piston is connected to the mover of the motor. A movable element includes the mover of the motor and the piston. A s...
02/01/2005
6830173Impact device
An impact device (10) employing a novel direct electric propulsion system. The device operates by placing a conductive piston (23) adjacent to an electric coil (18) then rapidly releasing electrical energy stored in a capacitor (17) to en...
12/14/2004
6734582Linear actuator using a rotating motor
A linear actuator incorporates a DC motor whose stator is secured to a frame. A shaft is coupled to the rotor of the DC motor one end of which is circumferentially coupled to the inside of a torsion spring and the outer section of the torsion spring is coupled to th...
05/11/2004
6700251Vibrating device for axially vibrating a movable member
A cup-shaped yoke is axially movably provided in a cylindrical frame, and a cylindrical permanent magnet is securely provided in the yoke. A coil bobbin is cantilevered in the frame and inserted in a space between the yoke and the permanent magnet, and a ...
03/02/2004
6236124Linear motor
Linear motor includes a moving member tapered relative to a traveling direction to provide a surface slanted relative to the traveling direction toward one end of the moving member, a stator having a surface that is opposed to the slanted surface of the f...
05/22/2001
6169350Electrical machine magnetic circuit structure in which pole-to-rotor air clearances vary asymmetrically to provide a more uniform flux distribution
An electrical machine structure includes a plurality of magnetic circuit units, each including at least two magnetic poles interconnected by a magnetic circuit structure. The magnetic circuit units are stacked or intercrossed in such a way that ventilatio...
01/02/2001
6157100Electromagnetic drive for a focal-plane shutter
An electromagnetic drive for a focal-plane shutter of a camera having two light-excluding shutter curtains, each of the two shutter curtains being having its own electric drive motor, which is a linear motor constructed from permanent magnets and electrom...
12/05/2000
6127750Linear compressor motor
A linear compressor motor comprising a piston assembly (2) and a cylinder assembly (3) mounted together for relative axial movement along an axis (1) by a pair of spiral springs (16, 17). The piston assembly (2) includes a piston (6) and the cylinder asse...
10/03/2000
5808381Linear motor
In the linear motor including (a) a plurality of permanent magnet members 1 fixed to a pair of ferromagnetic yokes 3 such that longitudinally adjacent magnetic poles have different polarities and that the magnetic poles of different polarities face each o...
09/15/1998
5802189Subwoofer speaker system
The present invention provides for an electromechanical transducer for producing sound in response to an audio signal. The transducer has a generally rectangular enclosure, a diaphragm, a cylinder, a drive shaft, a lever means, and a motor means. The diap...
09/01/1998
5659449Direct access storage device with a molded actuator motor coil support
An actuator for a PCMCIA DASD incorporates a tie bridge for stabilizing the support arms of the actuator while at the same time not increasing the largest radial dimension of the actuator drive motor beyond that of the radial dimension for the exterior of...
08/19/1997
5657172Objective lens driving device
An objective lens driving device used in an optical recording and/or reproduction apparatus comprises a lens holder, elastic supporting members, a coil bobbin and a yoke. An objective lens is mounted in the lens holder. The elastic supporting members have...
08/12/1997
5420468Shorted turn for moving coil motors
A linear motor of the type used to control the radial position of a write/read transducer relative to a rotating data storage disk comprises an elongated tubular-shaped permanent magnet which concentrically surrounds and is spaced, by an air gap, from an ...
05/30/1995
5397922Integrated thermo-electro engine
An internal combustion unit having a cylinder with at least one power piston with thermal means for reciprocating the power piston in the cylinder, the power piston and cylinder defining a combustion chamber, and a generator unit having a linear inductor ...
03/14/1995
5341053Linear motor with permanent magnets
A linear motor having a magnetic circuit and a moving coil, the magnetic circuit comprising a linear yoke provided at the center of the circuit and a pair of linear magnets, the linear yoke and the pair of linear magnets forming a pair of linear gaps with...
08/23/1994
5331469Precision linear actuator
A precision linear actuator (10, 120, 140) is provided particularly adapted for accurately controlling the positioning of a lens element in the optical system of a guided vehicle such as a missile. The actuator includes a frame (12, 130, 142) rigidly affi...
07/19/1994
5202595Yoke member for voice coil motor
A voice coil motor is disclosed which comprises a yoke member composed of a central portion forming magnetic path, left/right fringes and upper/lower fringes, a moving coil wound movably around the central portion of the yoke member, and permanent magnets...
04/13/1993
5180939Mechanically commutated linear alternator
An improved device for generating an alternating electrical current is disclosed, employing a stationary electrical exciter coil and inductive ouptut coil, and a pair of reciprocating elements to selectively alternate between a plurality of magnetic flux ...
01/19/1993
5108072Variable pressure electrically operated valve with an adjustable stroke-limiting mechanism for the actuator
The moving coil actuator of a pressure regulator has two threaded adjustment screws each mounted parallel to the actuator's path and which project through a limit surface of a carrier for the moving oil actuator. Both adjusting screws can be rotated by me...
04/28/1992
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