Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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 |
| 7578094 | Drive unit for power operated vehicle closure A drive unit for a power operated vehicle closure has a track, a guide moveable along the track, a link attached to the guide at one end and adapted to be attached to the vehicle closure at the opposite end, and a motor assembly for moving the guide along the track.... | 08/25/2009 |
| 7325361 | Apparatus and method for providing a modular sliding door mechanism A modular drive assembly for a sliding door, comprising: a guide track having a hinge slidably received therein; a pair of pulleys disposed on either end of the guide track; a pair of cables each having an end that is secured to the hinge and the other end is secure... | 02/05/2008 |
| 7178638 | Car door apparatus of elevator A car door apparatus of an elevator includes a pair of door panels, a door drive device, and a door-opening mechanism. The pair of door panels open and close a doorway of the car of the elevator. The door drive device drives the door panels to open and close the doo... | 02/20/2007 |
| 7156210 | Freight elevator landing door control A control system for a motorized freight elevator landing door in which all of the doors in a single line of a hoistway are controlled with one set of proximity sensors carried on the elevator car. The sensors signal a controller that operates electric motors for op... | 01/02/2007 |
| 7140151 | Electro-mechanical actuator An electro-mechanical actuator for a window lift mechanism including a plurality of motors for driving an output shaft. The actuator may be incorporated into a window lift mechanism including a dual rack and pinion assembly, for driving the pinions along the racks. ... | 11/28/2006 |
| 7117636 | Simultaneously operating self balanced hung window A hung window includes upper and lower sashes that may operate simultaneously. Two or more pulleys or rollers are mounted at each lateral side of the window frame. A cable interconnects each lateral side of the upper and lower sashes. The cables are routed over the ... | 10/10/2006 |
| 7118472 | Control system for pneumatically-powered door installation A mine door installation has a frame installed in a mine passageway. At least one door leaf is mounted on the frame for swinging movement between open and closed positions. Movement of the door leaf is powered by a pneumatic actuator. A pneumatically-powered control... | 10/10/2006 |
| 7025298 | Cable drive assembly A cable drive unit for opening and closing a sliding door on a vehicle (not shown) has a cup-shaped front drum having a helical front cable groove and a rear cup-shaped drum having a helical rear cable groove. The front drum is rotated about a longitudinal axis in a... | 04/11/2006 |
| 7021002 | Sliding revolving door A revolving door comprising an at least partly cylindrical shell wall, which has an entrance and an exit, and two rotating door leaves, which during normal operation are in place extended in the opposite direction of each other inside the shell wall. Between the she... | 04/04/2006 |
| 7003916 | Horizontal slider window assembly A vehicular rear window assembly for a vehicle comprises a first fixed pane, a second fixed pane, and a sliding pane, which is supported for horizontal movement between open and closed positions. The window assembly includes a support system with an upper horizontal... | 02/28/2006 |
| 6969969 | Circuit arrangement for the actuation of an electric-motor drive, in particular a pump drive, in a large domestic appliance A large domestic appliance has main and auxiliary drives (17, 24) thereof supplied from the same dc voltage intermediate circuit (19) which is provided only once, by way of change-over switch sets (12), by half-bridge circuits (21, 21′)... | 11/29/2005 |
| 6949043 | Eccentric drive reduction gear for a transmission component winding drum An eccentric reduction gear for a vehicle window winder system has a ring gear, a planet pinion that is eccentric relative to the ring gear, a drive component that drives the planet pinion and the ring gear so that they roll relative to each other, and a winding dru... | 09/27/2005 |
| 6938372 | Pneumatically-powered mine door installation with hydraulic checking system A mine door assembly has a frame. At least one door leaf is mounted on the frame for swinging movement between open and closed positions. Movement of the door leaf is powered by a pneumatic actuator. The door installation also has a hydraulic checking system for con... | 09/06/2005 |
| 6925757 | Cable drive assembly A cable drive assembly for opening and closing a sliding vehicle door has first and second drums that are drivingly connected to each other via a tension spring that biases the drums in opposite directions. The drums include a catch that holds the first and second d... | 08/09/2005 |
| 6880610 | Drive for multiple suspended doors A door system having first and second sets of panels with each set having leading and trailing panels, and having a different width. The leading panel of the first set includes a stop and the leading panel of the second set includes a pair of stops. First and second... | 04/19/2005 |
| 6851499 | Hinged lid structure for a vehicle A pair of arms extend from the lid for the oil filler port, and these arms are rotatably mounted on the vehicle body cover via the hinges. The hinge for supporting one of the arms is provided with a torsion spring for urging the lid in the opening direction, and the... | 02/08/2005 |
| 6650076 | Current profile method and apparatus for controlling gate operation A method and apparatus for moving a gate a distance in a predetermined period of time. In one embodiment the current load for an electric motor to move a gate is first measured to determine whether the gate's motion is being hindered or helped. A micropro... | 11/18/2003 |
| 6640494 | Drive for closing devices with variable speed output A drive system for closing devices, for example gates or shutters, with a variable speed output drive and a device for detecting a given characteristic of the drive, and is varied to maintain a substantially constant speed of the closing device as it move... | 11/04/2003 |
| 6637803 | Motor vehicle door drive mechanism, with corresponding door, carriage and vehicle The invention relates to a drive mechanism for a motor vehicle sliding door, said door being integral with at least one driven arm having a sliding zone in which a pin integral with a drive element is able to slide so that said door may tack and slide bet... | 10/28/2003 |
| 6557299 | Revolving door A revolving door has driven door panels, which are movably positioned around a central rotating element. Each pair of door panels has an individual drive. The driving speed for each door panel is chosen on the basis of the position taken by said door pane... | 05/06/2003 |
| 6530175 | Window lifting and lowering apparatus A window lifting and lowering apparatus that includes an arm pivotally moved to lift and lower a window of a vehicle. A cycloidal speed reducing mechanism is used for transmitting a rotational force of a drive shaft to the arm at a reduced speed. The cycl... | 03/11/2003 |
| 6434885 | Moveable window unit having a noise reduction system A movable window unit having a window glass which can be moved between a closed end position in a well of a door and an open end position by a motorized drive. The motorized drive comprises an electric motor which is controlled by a motor control. To redu... | 08/20/2002 |
| 6409064 | Locking tool box A tool box is provided that includes a hollow container having at least one lid that may be opened or closed and means for opening and closing the lid. The means for opening and closing the lid are actuated by control means that is operatively attached th... | 06/25/2002 |
| 6390535 | Sliding door closure apparatus A cable drive assembly in a closed-loop cable closure system for opening and closing a sliding door on a vehicle includes helical front and rear cable grooves supported on the vehicle frame for rotation about a helix axis. A front cable extends from the f... | 05/21/2002 |
| 6208102 | Method for controlling automotive sliding doors In a method for controlling a powered sliding door system, a standard time period for the sliding door to pass a calibration interval defined near a fully closed position under a standard duty ratio condition is measured, and the duty ratio of the drive p... | 03/27/2001 |
| 6128875 | Bi-directional door room arrangement A room arrangement for dividing and providing privacy between adjacent living areas in a hotel room, apartment or other similar facility. The room arrangement includes a first room or hallway and an adjoining second room, such as a dressing room with an a... | 10/10/2000 |
| 6058652 | Revolving door braking and locking device A manually operable carousel revolving door having a locking element with a rotary axle disposed inside. The door comprises a braking motor, a rotational speed detector and a rotation direction detector, all actively connected to the locking element. If t... | 05/09/2000 |
| 5942867 | Gate operator providing impact reduction at a fixed end position of movement A gate operator which provides for an opening and closing movement of a gate in response to an external opening and closing signal. The gate operator of the invention cushions the movement and reduces the impact against a fixed member at the fully opened ... | 08/24/1999 |
| 5869940 | Gate operator apparatus and method with learning-mode A powered gate operator includes an electric motor coupled by a drive train to a movable gate in order to drive the gate between opened and closed positions. The gate may also be moved manually between these opened and closed positions, or may be moved by... | 02/09/1999 |
| 5867940 | Powered sliding device for a vehicle sliding door A powered sliding device for sliding a vehicle door comprises a base plate, a wire drum rotatably mounted on the base plate by a drum shaft and rotated by a motor, a wire cable for pulling the door in an opening direction or in a closing direction when th... | 02/09/1999 |
| 5864986 | Checking device for roller supported doors A check mechanism is provided to regulate door speed of a roller supported sliding door as the door is manually opened or closed. The mechanism is attached to a door hanger and uses a rocker arm, which slides along a control track. The control track has e... | 02/02/1999 |
| 5857290 | Checking device for roller supported doors A check mechanism is provided to regulate door speed of a roller supported sliding door as the door is manually opened or closed. The check mechanism includes an idler arm assembly attached to a door hanger with an idler roller attached to the idler arm a... | 01/12/1999 |
| 5771636 | Secure swing gate system that provides free access when power is off A swing gate providing free access when the electrical power that drives a hydraulic system to open and close the gate is off is described. The hydraulic system comprises a reversible electrical motor to drive a hydraulic pump which in turn provides hydra... | 06/30/1998 |
| 5606826 | Drive and track apparatus for variable speed closure A cable drive for elevator doors has first and second drive pulleys eccentrically mounted 180° out-of-phase on the same drive motor shaft so that the cable feed rate is greater at the middle, than at the start and end of each drive cycle. Feeder pulleys ... | 03/04/1997 |
| 5347755 | Automatically actuated door arrangement An automatically actuated door arrangement is provided. The arrangement includes a plurality of slidable doors which are opened and closed by an electric motor/cable arrangement. Open and close switches control the opening and closing of the doors. A sens... | 09/20/1994 |
| 5323570 | Door opening cable system with cable slack take-up A van door slidable in tracks (16, 18 and 20). An operating module is mounted inside the van adjacent center track 18. A front cable attached to drive pulley (144) extends through guide assembly (54) to hinge and roller assemble (26). A rear cable attache... | 06/28/1994 |
| 5319880 | Sliding door opening cable system with cable slack take-up A van door slidable in tracks (16, 18 and 20). An operating module is mounted inside the van adjacent center track 18. A front cable attached to drive pulley (144) extends through guide assembly (54) to hinge and roller assemble (26). A rear cable attache... | 06/14/1994 |
| 5319881 | Sliding door closed loop cable closure system with balanced cable length and varying diameter pulleys A van door slidable in tracks (16, 18 and 20). An operating module is mounted inside the van adjacent center track 18. A front cable attached to drive pulley (144) extends through guide assembly (54) to hinge and roller assemble (26). A rear cable attache... | 06/14/1994 |
| 5142824 | Four side flush sliding window assembly A sliding window assembly for moving a window between a cavity defined by a structure having an outer surface, and a space located above the cavity comprises a first motor for selectively moving the window between the cavity and the space and a second mot... | 09/01/1992 |
| 5138795 | Power sliding door closer A sliding door in a van is mounted on tracks for sliding movement between open and closed positions. At the closed position a weather strip is compressed and a door latch is latched. A cable is attached to the door and routed through the vehicle body via ... | 08/18/1992 |
