Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8171672 | Output shaft, teeter lever and pinion gear arrangement for pneumatic differential engine A removable teeter lever and gear assembly arrangement (100) for use with a pneumatic cylinder/differential engine for operating vehicle doors. The arrangement comprises a teeter lever (16), which is associated with the vehicle doors, a gear assembly (... | 05/08/2012 |
| 7513078 | Electrical floor-hinge device A novel electrical floor-hinge device is provided, which contains an electrical motor and a speed reducing element configured on top of a platform element at a side on top of a body member. A vertical input shaft connected to the speed reducing element is joined to ... | 04/07/2009 |
| 7509772 | Vehicle door opening and closing apparatus A controller controls, based upon a manual operation signal from a first operating means and the automatic operation signal from a second operating means, a driving of a driving power source for generating a driving force for an opening/closing operation of a vehicl... | 03/31/2009 |
| 7367161 | Gate opening and closing apparatus A gate opener has a gate that rotates between an open and a closed position in order to allow or retard ingress and egress through the gate. A plate is secured to the ground while a motor is secured to a post of the gate and is rotatably secured to the plate. Activa... | 05/06/2008 |
| 7367608 | Wind stop device In order, in the case of a wind stop device for motor vehicles, in particular, convertible vehicles, comprising a cover for a section of a passenger compartment opening of a vehicle body, this cover being arranged at the level of a belt line of the vehicle body, and... | 05/06/2008 |
| 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 |
| 7267214 | Electromagnetic frictionally engaged clutch and method for operating the same An electromagnetic frictionally engaged clutch for arranging inside a drive train connecting a drive motor and a vehicle door or flap. The arrangement ensures that the vehicle door is securely held in each intermediate position, when the clutch is in an idle state, ... | 09/11/2007 |
| 7267390 | Vehicle decklid system with planetary gear A vehicle decklid system uses a planetary gear drive to move a decklid relative to a vehicle body. The planetary gear drive includes a rotatable gear that is disposed between two fixed gears. One fixed gear is rigidly mounted to the decklid and one fixed gear is rig... | 09/11/2007 |
| 7237979 | Security barrier A barrier for stopping the progress of vehicles, comprising a pivoted barrier adapted to pivot about a non-vertical axis from a first position generally alongside a carriageway to a position where it at least partially blocks the carriageway, and adapted to move bet... | 07/03/2007 |
| 7234201 | Door closer power adjusting device A door closer power adjusting device for a door closer having a spindle driven by a compressed spring with a movable plate for adjusting spring compression, or with a screw for adjusting spring compression, between a high and low level of compression. A powered unit... | 06/26/2007 |
| 7129703 | Safety switch with an electronic programmable system A safety switch with an electronic programmable system including a group of two single-contact relays connected in series, associated with a matching element, a proximity element associated with a support element, magnetic sensors to check the contact status of each... | 10/31/2006 |
| 7104583 | Vehicle with storage/utility system A truck with one or more storage compartments in the bed adjacent the side panels and in which a hinged panel in the side panel or fender allows access to a storage compartment. The side panels maintain the appearance of a conventional pickup truck without storage c... | 09/12/2006 |
| 7077773 | Drive assembly with dynamic tensioning device A drive assembly for a closed loop cable system in which a flexible driver member drives a door or the like back and forth has the flexible drive member wrapped around and driven by a drive pulley. The drive assembly includes a motor unit having a motor shaft that r... | 07/18/2006 |
| 7066297 | Automatic door and method of operating same An automatic door and method of operating the same. The door includes a first processor which may be located proximate a leading movable edge of the door and a second processor which is remotely located from the first processor. The first and second processors are o... | 06/27/2006 |
| 6996935 | Gate regulator A gate regulator increases the productivity of unloading agricultural material from forage boxes. The gate regulator enables a box gate to swing open without restriction, but the gate is controlled for slow swinging closed. At a gate release position, the gate regul... | 02/14/2006 |
| 6925684 | One step automatic hinge device and information terminal A hinge device of an information terminal, wherein the information terminal comprises a main body, a sub-body to be opened away from or closed to the main body while rotating about a hinge axis extending in one direction of the main body, and the hinge device for ro... | 08/09/2005 |
| 6786006 | Automatic door assembly and door operator therefor The present invention relates to automatic door assemblies and swing operators therefor. One aspect of the invention provides a swing door operator that has an opening in the housing thereof for easy access to the operator motor. Another aspect of the invention prov... | 09/07/2004 |
| 6751909 | Automatic door control system The present invention discloses an automatic door systems related to a fail safe method of controlling an automatic door operating system. One aspect of the present invention provides a method for controlling an electric motor of an automatic door system, the motor ... | 06/22/2004 |
| 6588153 | Power door kit The present application discloses a door kit for installation across an opening formed through the wall of a building. The door kit has a power-operated door latch and a power-operator door operator.... | 07/08/2003 |
| 6530178 | Automatic door assembly and door operator therefor The present invention relates to automatic door assemblies and swing operators therefor. One aspect of the invention provides a swing door operator that has an opening in the housing thereof for easy access to the operator motor. Another aspect of the inv... | 03/11/2003 |
| 6241300 | Concealing door for car mountable equipment An opening-closing door (20) for closing an equipment body (10) is provided at a front side of a car-mounted-type equipment, and an operating portion (21) for operating the equipment body (10) can be operated only when the opening-closing door (20) is in ... | 06/05/2001 |
| 6176044 | Underground door operating apparatus and method A door assembly includes a door automatically operable relative to a floor and further comprises an electromechanical power device disposed beneath the floor and providing a rotary output on a shaft. The support apparatus includes a spindle adapted to rec... | 01/23/2001 |
| 6135536 | Vehicle liftgate power operating system A power operating system for opening and closing a vehicle liftgate has a pair of drive units supported on the vehicle roof and connected to the liftgate for opening and closing the liftgate. Each drive unit includes a planetary gear set that has a sun ge... | 10/24/2000 |
| 6115965 | Power operator for vehicle liftgate A power operator raises and lowers a vehicle liftgate to open and close a vehicle rear hatch. A pair of double-acting hydraulic cylinders pivotally interconnect the vehicle and the liftgate to move the liftgate through a raise cycle and a lower cycle. Fir... | 09/12/2000 |
| 6108975 | Automatic door operator An automatic door operator for swing doors which uses a worm gear transmission to connect the motor to a belt and pulley which in turn is connected to a spur gear and drive gear. The door arm of the swing door is connected to a double-ended shaft which is... | 08/29/2000 |
| 6025663 | Operating mechanism for closure member A self-locking drive, for use in door/gate operators is disclosed. The method/means incorporates an electric motor, which has a rotor assembly that can slide axially in its casing. A brake cone is fixed to the rotor-shaft, which can engage a complimentary... | 02/15/2000 |
| 5984569 | Gate barrier A gate barrier which includes a first post, a drive shaft and a driven shaft revolvably supported on the first post at different elevations, a second post disposed in parallel to the first post, the second post having at least one angled holder plate, and... | 11/16/1999 |
| 5944376 | Method and apparatus for load compensating doors and hatches An apparatus is disclosed for moving a vehicle door relative to a vehicle frame. The apparatus includes a motor for rotating a shaft. The apparatus further includes a first threaded member coupled to the shaft of the motor, wherein the first threaded memb... | 08/31/1999 |
| 5791204 | Device for detecting the position of a moving member A position detecting device includes a ring gear that is disposed on an outer side of an output shaft of a motor and rotates with the rotation of the output shaft, fixed contact terminals fixed to a cover plate, and a rotary contact terminal provided on a... | 08/11/1998 |
| 5546773 | Door opening/closing apparatus for a washing machine A washing machine has a door mounted for rotation between open and closed positions. An electrical solenoid is connected to the door by means of a wire so that when the wire is pulled by the solenoid, the door is opened from a closed position, or closed f... | 08/20/1996 |
| 5438799 | Arrangement with a device pivoting between two positions such as a barrier arrangement swinging between a position forbidding the access to a reserved area and an access clearing position An arrangement with a barrier device pivoting between a position preventing the access to a reserved area and an access clearing position, comprising two bow-shaped pivot arms, a drive device for pivoting the barrier device and means for actuating this dr... | 08/08/1995 |
| 5417011 | Door opening mechanism A swinging door operating mechanism includes a hydraulic cylinder having a piston coupled to the door to open the door with the piston advance, opposite ends of the cylinder being connected through a solenoid actuated four way reversing valve to the input... | 05/23/1995 |
| 5398448 | Apparatus closing mechanism, particularly for film welding devices The welding frame (3) of a film-welding device (2) is at the start of its pivoting movement motor-driven in positive manner over a few radians and is then released from the drive, so that only on the basis of its flywheel energy and weight force is it mov... | 03/21/1995 |
| 5386885 | Electro-mechanical pivot wing drive for pivoting wings of doors or the like The electro-mechanical drive includes an electric motor, a transmission and a restoring spring. To improve the capacity to close the door, particularly in the event of a power failure, a large coil spring used as the restoring spring surrounds the electri... | 02/07/1995 |
| 5293716 | Gate for toll systems A gate bar for a toll gate apparatus includes a tubular member surrounded by a sleeve of resilient material. The sleeve is protected by a sheath which may be painted to improve the visibility of the bar.... | 03/15/1994 |
| 5228239 | System for automatically opening and closing doors of vehicles A system for automatically opening and closing a door of a vehicle is disclosed. The system comprises an oil-hydraulic pump for generating hydraulic power for the system and a pressure accumulator for removing pressure pulsations generated in the pressuri... | 07/20/1993 |
| 5221239 | Automatic door operator with compound epicyclic gear drive system Door operator for commercial and domestic use with swing-mounted doors are disclosed. Each operator employs a variable-speed d.c. motor as prime mover, and a vertically oriented door-driving operator output shaft journalled in a transmission having a comp... | 06/22/1993 |
| 5123204 | Automatic door control apparatus An apparatus for controlling the opening and closing of an automatic door. The apparatus includes an L-shaped housing having a first portion disposed below ground level for housing a speed reduction mechanism and a second portion disposed above ground lev... | 06/23/1992 |
| 5101595 | Automatic gate opener with safety provisions A gate opening mechanism is described which uses a rotationally floating motor. Unusually high torques caused by gate blockage causes the motor frame to rotate around its axis and to trigger a motor shut off switch. The mechanism is mounted in the space betwee... | 04/07/1992 |
| 5036620 | Safety enhanced pivoting door operator A safety enhanced pivoting door operator is disclosed which includes an apparatus for selective restraint of the swing door to resist movement of the door in a first direction beyond the fully closed position during routine use while yet allowing movement... | 08/06/1991 |
