Bizarre Patents
A coffin, for allowing inclination for display of a deceased person in a natural position.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7839035 | Power-driven rolling and receiving apparatus A power-driven rolling and receiving apparatus includes a housing, a DC brushless motor, a deceleration unit, a motor linker, a control and driving unit, and a first brake unit. The DC brushless motor, the deceleration unit, the motor linker, the control and driving... | 11/23/2010 |
| 7348753 | Fan motor A fan motor includes: a single-phase stepping motor including a stator excited by applying an electric current to a coil to function as a single-phase magnetic pole, and a rotor which has a permanent magnet magnetized to a single phase and rotates as the magnetic po... | 03/25/2008 |
| 7305857 | Structure of driving unit in drum type washing machine Structure of driving unit in a drum type washing machine including a tub mounted inside of a cabinet, a drum mounted inside of the tub, a shaft connected to the drum mounted inside of the tub for transmission of a driving force from a motor to the drum, a front bear... | 12/11/2007 |
| 7276833 | Electromagnetic retarder system and method An electromagnetic retarder system is disclosed. In one embodiment, the retarder system comprises: a shaft; a coil statically disposed on the shaft and having a hollow cylindrical shape; a yoke statically disposed on the shaft, the yoke having a first cylindrical su... | 10/02/2007 |
| 7259492 | Rotor axial activation modulation of electric machinery due to reverse torque The invention involves installation of a helical nut structure, or a helical nut and ball or roller bearing structure, between an electric machinery transmission shaft and a driven transmission element. Depending on the torque between the electric machinery rotor, a... | 08/21/2007 |
| 7211971 | Linear actuator A linear actuator having a housing, a plunger slidably mounted to the housing between an extended and retracted position, and an electric motor drivingly connected to the plunger to move the plunger between its extended and retracted positions. A motor circuit contr... | 05/01/2007 |
| 7185881 | Electric winch Apparatus and methods for operating a winch system comprising a wire spooled onto a drum rotatably mounted to a shaft. A permanent magnet is mounted to the drum such that, when an electric current is applied to a coiled winding mounted to the shaft, the drum rotates... | 03/06/2007 |
| 7002310 | Piezo-based encoder with magnetic brake for powered window covering The position and speed and, in some embodiments, direction of rotation of a motor for turning the rod of an object such as a window covering is determined by placing a braking magnet next to the motor and a piezoelectric element between the braking magnet and motor.... | 02/21/2006 |
| 6967418 | Magnetic brake for powered window covering Two braking magnets are attached to the housing of a motor of a motorized component such as a window covering, with one magnet north face down and the other magnet south face down. With this structure the motor is braked from turning under the weight of the window c... | 11/22/2005 |
| 6918316 | Adjustable pedal assembly An adjustable pedal assembly includes a mounting arrangement (1) for attachment to a vehicle structure (37), an accelerator pedal (6), a brake pedal (7), and a clutch pedal (8). The pedals (6, 7, 8) are pivotally supported w... | 07/19/2005 |
| 6879072 | Actuating device, particularly for actuating locking differentials on vehicles An actuating device, specifically for actuating locking differentials on vehicles, having an actuating shaft, a drive unit to drive the actuating shaft, where the drive unit comprises an armature core mounted to the actuating shaft so as not to rotate, and a commuta... | 04/12/2005 |
| 6737776 | Hybrid linear motor A magnetostrictive motor is provided with a pair of clutch devices on a rotor shaft through which electrical energy from electromagnetic rings on a tubular reactor is converted into forces transferred to the rotor shaft within the reactor under selective control of ... | 05/18/2004 |
| 6617727 | Vehicular rotational apparatus A housing of a compressor supports a rotary shaft. The rotary shaft is coupled to a pulley with a pulley one-way clutch and is coupled to a rotor of an electric motor with a motor one-way clutch. The pulley is supported by the housing with a pulley bearin... | 09/09/2003 |
| 6232686 | Hysteresis brake The invention relates to a hysteresis brake comprising a hysteresis ring (1) which is rotationally fixed to a roller (9), and a magnetic ring with magnetic poles. The magnetic ring (2) is made of permanent magnetic material and is mounted inside the hyste... | 05/15/2001 |
| 6107714 | Drive unit for a hoist A drive unit for a hoist, an elevator in particular, with a motor (6), a transmission (2), a breaking means (4) and a housing (8) is characterized in that said motor (6) and said breaking means are together arranged in said housing (8). Furthermore, at le... | 08/22/2000 |
| 5949168 | Electric motor assembly and a brake actuator incorporating said electric motor assembly The invention relates to an electric motor having a locking device and a brake actuator for an electric system which includes such an electric motor. The locking brake has a simple configuration and includes a conical ring which is mounted so as to be axi... | 09/07/1999 |
| 5847478 | Electro-magnetic clutch A self holding type connecting device comprising an armature which is disposed movably in an axial direction, a magnetic path member having a cross section formed along a closed loop and having an axial space wherein axial movement of the armature is perm... | 12/08/1998 |
| 5834874 | Alternator with mechanically adjustable output Proportional control of the output of an alternator achieved mechanically to change the reluctance of the magnetic path between the stator and the rotor and thereby change the electrical output of the alternator.... | 11/10/1998 |
| 5773904 | Electric machine having at least one clutch An electric machine which can be operated optionally as a motor or generator and in particular can be installed in the drive train of a motor vehicle with a hybrid drive. The machine includes a stator and a rotor of substantially cylindrical shape, The ro... | 06/30/1998 |
| 5739605 | Bi-stable clutch A bi-stable clutch is introduced comprising an input and output shaft, a hub assembly attached to output shaft, a hub assembly attached to output shaft and operatively associated with a friction ring which rotates with output shaft of the unique bi-stable... | 04/14/1998 |
| 5723923 | Apparatus for providing torque and for storing momentum energy A torque reaction/momentum wheel device for attitude control of a body, such as a spacecraft, having a motor driven flywheel with the flywheel at one end of a shaft and cantilevered with respect to at least two bearings which support the shaft which is co... | 03/03/1998 |
| 5712520 | Permanent magnet braking system A conductor rotor presents a pair of electroconductive rings spaced apart to receive magnet carrying shoes with permanent magnets to induce eddy currents in the rings and thereby retard rotation of the conductor rotor. The shoes are moved in and out in a ... | 01/27/1998 |
| 5473209 | Permanent magnet braking system for drive shafts A braking system adapted to be used on the drive shaft of a vehicle has a rotor containing permanent magnets mounted on the shaft and preferably has a pair of non-rotary electroconductive plates separated by air gaps from the rotor on opposite sides there... | 12/05/1995 |
| 5214332 | Electric motor A miniature electric motor having a magnetic clutch wherein the clutch includes a metallic element and a non-metallic element; the non-metallic element being operative to preclude physical contact between the motor and the metallic element of the clutch.... | 05/25/1993 |
| 5050711 | Electromagnetic brake apparatus A stationary brake member (45) which is used in an electromagnetic brake apparatus, comprises a first press-worked plate (45h) and a second press-worked plate (45m) which are laminated to each other. The second press-worked plate (45m) has plural hooks (4... | 09/24/1991 |
| 5023499 | Eddy current type brake system An eddy current type brake system adapted to a vehicle comprises a drum-like rotor mounted on an output shaft of a transmission of the vehicle, a stator provided in the rotor and being able to reciprocate in an axial direction of the rotor, a plurality of... | 06/11/1991 |
| 4823926 | Electric motor regulating and control drive having a clutch-brake unit In an electric motor regulating and control drive, especially for industrial sewing machines, a clutch-brake disk is mounted for co-rotation on an output shaft and has a clutch facing which can be brought into engagement with a clutch surface of a flywhee... | 04/25/1989 |
| 4811820 | Disk brake motor A disk brake motor comprises an electric motor having a housing, an electromagnet, at least one friction surface and a brake wheel which is in contact with the friction surface during braking, the brake wheel including an impeller for drawing in and impel... | 03/14/1989 |
| 4790212 | Engine brake clutch including electrical brake Engine brake clutch device comprising a common system of the electric machine type for transformation of mechanical energy associated with a differential system (27) and with a clutch (28), the unit being placed between the engine and the transmission so ... | 12/13/1988 |
| 4777394 | Miniature generator A miniature generator includes a cup-shaped supporting shell for fixing a yoke assembly, which supporting shell includes a bearing for a rotary shaft of a permanent magnet rotor. The rotary shaft of the rotor is provided with a worm which drives a worm ge... | 10/11/1988 |
| 4734604 | Friction braking system and apparatus for appliance induction motor drive A friction braking system located entirely inside an induction motor of an appliance quickly stops rotation of the rotor in the appliance motor, for example such as a food processor, whenever the A.C. electrical power is turned off. Thus, rotation of any ... | 03/29/1988 |
| 4712660 | Electromotive variable-speed and control drive particularly for use in industrial sewing machines An electromotive variable-speed and control drive particularly for use in industrial sewing machines comprising a motor capable of continuous drive with a disk flywheel and a brake-coupling unit connected to this motor. Cooling ribs confining cooling chan... | 12/15/1987 |
| 4709794 | Electromotive variable-speed and control drive particularly for use in industrial sewing machines An electromotive variable-speed and control drive particularly for use in industrial sewing machines and comprising a coupling coil casing radially surrounding a coupling-brake disk and a brake coil casing radially relocated towards the center. Both are p... | 12/01/1987 |
| 4652781 | Drive unit for adjusting window panes, sunroofs, seats and similar motor vehicle parts A drive unit for adjusting window panes, sunroofs, and seats in a vehicle has a reversible electric motor behind which is inserted a worm gear with a worm shaft. To prevent an undesired or unauthorized adjustment of a motor vehicle part, a brake device is... | 03/24/1987 |
| 4643282 | Motor having an electromagnetically actuated friction clutch and friction brake A motor including an electromagnetically actuated friction clutch and friction brake for respectively transferring a driving torque and/or a braking torque to an output shaft. A rigid hub is rotationally fixed on an output shaft of the motor for rotation ... | 02/17/1987 |
| 4589534 | Electromechanical driving system with variable speed A variable speed drive has an asynchronous motor whose output shaft carries a flywheel which is juxtaposed axially with a ferromagnetic disc movable on a spline of an output shaft journaled in a common housing for the flywheel, the disc and at least one e... | 05/20/1986 |
| 4510405 | Motor lock device An electric motor having an electromagnetically operated clutch automatically engageable to lock the motor shaft against rotation in at least one direction. Embodiments are described in which interruption of the power to the motor causes engagement of the... | 04/09/1985 |
| 4489248 | Linear actuator A linear actuator is disclosed which includes a frame, a first lead screw mounted to the frame and adapted for rotation, and a second lead screw mounted to the frame parallel to the first lead screw and adapted for rotation. An actuator block is movably s... | 12/18/1984 |
| 4460838 | Electric motor with braking arrangement An electric motor having an improved braking arrangement is disclosed. The braking arrangement includes a stop pawl armature assembly disposed coaxially upon the rotor shaft of the motor for axial movement with respect thereto in response to the magnetic ... | 07/17/1984 |
| 4347452 | Micro-displacement device A stator and a rotor of a step motor are disposed in an axially staggered relationship with each other so that the rotary shaft of the rotor can be freely displaced in the axial direction with respect to the stator. Around the outer periphery of the rotar... | 08/31/1982 |
