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| Number | Title | Issue Date |
| 8186010 | Retracting mechanism and fixing structure A catcher (2) provided in a door frame H′ for capturing a striker body 1 moved from a near front side F when a door D′ is rotated toward a reference position; a braking device (5); and a linkage device (3) for both are provided. The c... | 05/29/2012 |
| 8001654 | Withdrawing mechanism A withdrawing mechanism includes a striker disposed on one of a swingable member and a main body, a catcher disposed on the other of the swingable member and the main body to capture the striker moving, and a damper for applying a damping force to a turning operatio... | 08/23/2011 |
| 7945993 | Withdrawing mechanism A withdrawing mechanism includes a striker disposed on one of a swingable member and a main body, a catcher disposed on the other of the swingable member and the main body, and a damper for applying a damping force to a turning operation of the catcher toward a turn... | 05/24/2011 |
| 7743464 | Withdrawing mechanism A withdrawing mechanism includes a catcher 2 disposed on a main body with a swingable member D swingably assembled thereto and configured to capture a striker 1 moving from a front side when the swingable member D is swung toward a reference position; ... | 06/29/2010 |
| 7350836 | Door security system A security system for constraining the degree to which a door leaf (11) may be opened; the system being selectively activated from an inoperative position in which it does not block the opening and closing of the door leaf (11), into and out of an oper... | 04/01/2008 |
| 7328484 | Hinge The invention relates to a hinge comprising a moveable hinge section and a hinge section consisting of a fixed stop section, which are interconnected by at least one joint axis, and comprising a damping device mounted on one of the hinge sections whose translational... | 02/12/2008 |
| 7207087 | Device for damping the movement of movable furniture parts in their closing region A device for damping the movement of movable furniture parts to their closed position provides for a housing which can be fastened to a fixed wall part or carcass part, in which housing a lever is pivotably held or a plunger is slidably guided, with said lever or pl... | 04/24/2007 |
| 7152718 | Damper A damper includes a frame, a main gear mounted to the frame for rotation about an axis of rotation, and a spring operably connecting the main gear and the frame such that rotation of the main gear tensions the spring. The main gear has a circumferential recess forme... | 12/26/2006 |
| 7127778 | Hinge The invention relates to a hinge comprising a moveable hinge section and a hinge section consisting of a fixed stop section, which are interconnected by at least one joint axis, and comprising a damping device mounted on one of the hinge sections whose translational... | 10/31/2006 |
| 7077488 | Drawer closing mechanism A drawer closing mechanism includes a toothed rack fixed in position with respect to a furniture frame member, a toothed drive gear mounted to a drawer for engaging the teeth on the rack, and a spring with two ends, one end being fixedly attached to the drive gear a... | 07/18/2006 |
| 7065829 | Damper device A damper device applies damping force to a movable body assembled on a fixed body. The damper device includes a damping part, a clutch case attached to one of the fixed body and the movable body in a state having received the damping part, and a rack part moving or ... | 06/27/2006 |
| 7063225 | Opening-closing mechanism and opening-closing device using same In an opening-closing mechanism of a door member for shifting the door member from a closed position for closing an opening portion of a base member to an open position and vice versa, the door member includes a pair of arm portions. Each arm portion includes a circ... | 06/20/2006 |
| 7024725 | Overhead door closer with slide arm assembly This invention relates to an overhead door closer with slide arm assembly having a toothed pinion that is eccentrically supported and presents a circular rolling curve, which pinion meshes with a toothed rack arranged at a piston. The invention concentrates on a par... | 04/11/2006 |
| 7007342 | Door closer The present invention relates to a door closer, in a housing of which is received a sliding cylinder, the sliding cylinder is provided with teeth on an outer periphery thereof for meshing with a gear wheel of a door shaft, a sliding cylinder interiorly formed with i... | 03/07/2006 |
| 6928694 | Apparatus for controlling a door Door check device for a vehicle door, movable from a closed position in a door frame to a plurality of different open positions and held in the open positions, includes a strip connected to the door or door frame and a braking mechanism connected to the other of the... | 08/16/2005 |
| 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 |
| 6910557 | Slide damper with spring assist A slide damper for use with an associated sliding object that is movable between a first position and a second position provides an assisted, dampened return. The slide damper includes a housing having a track, a gear on the housing and a cover configured for moveme... | 06/28/2005 |
| 6848759 | Self-closing slide mechanism with damping A self-closing slide is movable between an open position and a closed position. The slide includes a frame, a linear gear on the frame and a carriage configured for movement along the frame. A biasing element operably connects the frame and the carriage to bias the ... | 02/01/2005 |
| 6681444 | Apparatus for controlling a door Door check mechanism including a rack adapted to be coupled to and extend outward from the frame, a gear adapted to be arranged on the door, the gear having teeth and being arranged in engagement with the rack and a detent mechanism arranged in engagement... | 01/27/2004 |
| 6666306 | Damping device for movable furniture parts A damping device (14) for movable furniture parts comprising a fluid damper which is in the form of a rotational damper (20) and which includes two members which are rotatably movable relative to each other, namely a housing and a drum disposed in the hou... | 12/23/2003 |
| 6266847 | Door operator and process for operation of a door operator A door closer assembly and a method for operating a door closer assembly. The door closer assembly includes a housing and a door piston guided in the housing. The door piston is operably connected to move a door. A spring piston is guided in the housing a... | 07/31/2001 |
| 6047440 | Non-rotating pinion cap A non-rotatable pinion cap for use on a non-handed door closer where both ends of the drive pinion extend beyond the cylinder body. The pinion cap has one exposed edge for engaging the door or door frame surface and includes a christmas tree plug for atta... | 04/11/2000 |
| 5839548 | Motion control device for rotary dampers A one-way damping system is provided for dampening the movement of a closure member when the closure member is moved in a first direction toward its opened position such that the closure member is opened at a controlled rate of speed, and for permitting t... | 11/24/1998 |
| 5676222 | Device for generating a rotary return force A device for generating a rotary return force includes a casing unit, driving and driven gear units disposed in the casing unit, and a torsion spring. The driving gear unit includes a driving axle mounted rotatably to the casing unit and a driving gear wh... | 10/14/1997 |
| 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 |
| 5309676 | Balanced door closing apparatus A door closer is shown, which is installed between a door and a door frame, in a balanced door. The door closer is installed in a header of the door frame, and includes an operative connection to a hinge shaft upon which upper and lower door support arms ... | 05/10/1994 |
| 5243735 | Regenerative feedback door control device with one-way clutch A device for closing swinging doors of the type utilizing a rotating member to compress a spring during door opening to store energy in the spring to effect a closing of the door is provided with a driving connection to a d.c motor/generator effective to ... | 09/14/1993 |
| 5193647 | Easy opening door control device A device for controlling swinging doors utilizing an externally powered motor to compress a spring during door opening to store energy in the spring. The motor is not used to open the door, but only to compress the spring, thereby utilizing a minimum amou... | 03/16/1993 |
| 5135083 | Input responsive damper According to the invention, there is provided an input responsive damper comprising a worm wheel for being rotationally driven by an object of damping, a worm for being rotated by the worm wheel, a guide for movably guiding along the axis of the worm a wo... | 08/04/1992 |
| 5048151 | Mechanical door check Herein disclosed is a continuous speed change type door check for closing a door, which comprises: a pivot pin made rotatable; a slider adapted to be linearly moved by the rotations of the pivot pin and to rotate the pivot pin when it returns; a coil spri... | 09/17/1991 |
| 4979261 | Variable position door closer Disclosed is a door control device that automatically repositions the driving shaft of the door closer toward and away from the door pivot, as the door opens and closes, as a means of modifying and improving the force required to open and close the door. ... | 12/25/1990 |
| 4967444 | Device for damping the closing movement of a dual door spring-loaded or closure and closure control therefor A double-winged door spring is biased for closing with a mechanism for damping of the closure movement and includes a closure sequence control, particularly of a fire-resistant door, in which the damping of the movable door portion is accomplished through... | 11/06/1990 |
| 4912806 | Door check A door check is disclosed which comprises a first arm pivotally attached at one end thereof to a door which is able to be opened and closed as desired; a second arm pivotally attached at one end thereof to the first arm, the other end of the second arm be... | 04/03/1990 |
| 4872239 | Door closure with mechanical braking means A mechanical disk-type door closure wherein one end of the closure is connected to a door and the other end is pivotally connected to a door jam such that when the door pivots about its hinge. The closure includes a rod upon which a rack is formed to caus... | 10/10/1989 |
| 4763385 | Door closure transmission utilizing an eccentric pinion A door closer is described in which transmission ratios which change in dependence on the closing angle can be realized by eccentric toothed elements. The toothed elements can have different profile offsets, moduli and flank angles along their respective ... | 08/16/1988 |
| 4759099 | Door closure and holding mechanism having a sliding rod slidably mounted to a pivoting rod and a slide rail This invention relates to a device ensuring automatic closure of pivoting doors and for holding them in open position. The device includes a fixed box mounted on the door (or frame) and supporting a pivoting arm subjected to the action of a return element... | 07/26/1988 |
| 4744125 | Door closer transmission including an eccentric pinion A door closer is described in which transmission characteristics which change in dependence on the closing angle can be realized either by two pistons disposed coaxially within one another and displaceable relative to one another, or by eccentric toothed ... | 05/17/1988 |
| 4686739 | Door closer A door closer the closing force of which can be adjusted is provided with a device for indicating the selected closing force. The device used to indicate the prevailing closing force is actuated in dependence on the adjustment of the spring which determin... | 08/18/1987 |
| 4675938 | Retraction device for doors or windows A retraction device for automatically closing a panel, such as a door or window, after the panel has been opened. The retraction device includes a drum, a coiled spring power assembly for driving the drum, a centrifugal brake for controlling the power ass... | 06/30/1987 |
| 4414703 | Door closer and holder A door closer and holder has cylinders with pistons therein responsive to the relative swinging motion between a door panel and a door frame. A spring is loaded by door opening and acts against one piston to effect door closing. Various hydraulic passages... | 11/15/1983 |
