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| Number | Title | Issue Date |
| 7841047 | Control valve for door closer The invention relates to door closers, particularly a door closer control device that regulates the flow of a pressure medium controlling the function of a door closer. A control device according to the invention includes a support part with a collar that serves as ... | 11/30/2010 |
| 7428952 | Damper device A damper device used in a range of electronic apparatuses. The damper device allows a diverse opening and closing operations by means of a simple structure. A stationary plate and a movable plate resiliently contact, due to the action of a spring, over different con... | 09/30/2008 |
| 7377500 | Shock absorbing device for moving body A shock absorbing device uses a damper including a cylinder enclosing a viscous fluid; a piston rod; and a piston dividing the interior of the cylinder in two axially separated parts. The piston is connected to the piston rod and has an orifice communicating the two... | 05/27/2008 |
| 7356878 | Door closer A door closer includes an anchor assembly for mounting on a door frame, an actuator assembly for mounting within the thickness of a door which is hinged for movement between open and closed positions, an operating member coupled by a linkage to the anchor assembly a... | 04/15/2008 |
| 7350838 | Catch or locking element The invention relates to a catch, in particular a catch for furniture. Said catch comprises at least one first catch element, which has at least one spring-loaded locking part and a second catch element that forms a counter-locking part. According to the invention, ... | 04/01/2008 |
| 7275626 | Damper device A damper device includes a check valve operated to apply braking force to a rotary shaft having wing portions when rotated in a cylinder in one direction and, when the rotary shaft is rotated in the opposite direction, the check valve is not operated. Movement restr... | 10/02/2007 |
| 7240398 | Opening and closing damping apparatus An annular groove part with a predetermined depth is formed in a rotation body, and a wall surface of the annular groove part is sealed by a second protrusion elongated annular part formed in an inner circumference of a rotor attached to the annular groove part, and... | 07/10/2007 |
| 7111711 | Vibration damper with stroke-dependent damping force Vibration damper, containing a damping medium-filled cylinder, in which a piston rod with a piston is installed with freedom of axial movement, where, as a function of the stroke of the piston, a bypass connects a working space on the piston rod side to a working sp... | 09/26/2006 |
| 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 |
| 7059454 | One-way braking device A one way braking device has a first sealed chamber filled with a viscous fluid, a braking rotor being rotably supported within the chamber, a housing or the braking rotor, respectively, coacting with a pinion which in turn cooperates with a tooth rod or a gear or t... | 06/13/2006 |
| 7055319 | Piston and cylinder assembly with volume compensating system A piston and cylinder assembly having a cylinder with a piston and a connected piston rod. The piston defines opposed chambers wherein a compensating device is disposed in at least one of the chambers. The compensating device includes a capsule of an elastic materia... | 06/06/2006 |
| 7032985 | Heart cam and damper unit and opening/closing controlling device using the same A heart cam and damper unit includes a base member having fixed cylindrical portions and a stopper portion, a rotating member having a movable cylindrical portion which is rotatably assembled to the fixed cylindrical portion with a viscous fluid interposed between t... | 04/25/2006 |
| 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 |
| 7003847 | Door closer A door closer comprising a housing, a member for driving engagement with a door, the member being rotatable relative to the housing in a door opening direction and in a door closing direction, a spring apparatus within the housing providing a resilient bias, the res... | 02/28/2006 |
| 6976288 | Rod gripper A bar or rod gripper for arresting the linear axial movement of a rod, e.g. the piston rod of a door closure between a door open or closed position, that includes a compressible bushing slidably disposed about the rod or bar, and a canter washer disposed about the c... | 12/20/2005 |
| 6957807 | Damping device The invention concerns a damping device for damping the kinetic energy of movable cabinet components, which has a first damping element with a first cylinder that has a first piston, which slides lengthwise in it, and at least one more (second) damping element with ... | 10/25/2005 |
| 6934996 | System for actuating a gas damper A gas-filled cylinder, with two concentric cylindrical bodies or tubes that determine an intermediate gas passage chamber and are separated by a shaft cap and a valve cap that allow the passage of gas towards the interior, in which a piston moves and forms two inter... | 08/30/2005 |
| 6922869 | Damper apparatus A damper apparatus is disclosed for damping movement between a first and a second element. The apparatus includes an elongate housing secured to the first element, the housing having a first and a second end. The housing defines a bore which extends between the ends... | 08/02/2005 |
| 6913125 | Damper A damper includes a housing having a cylindrical shape and filled with a viscous fluid, a first rotor rotatably received in the housing and having a first connecting portion formed at an end portion thereof, and a second rotor rotatably housed in the housing coaxial... | 07/05/2005 |
| 6840356 | Rotary damper A rotary damper includes a cylindrical member having walls on an inner peripheral surface of a cylindrical chamber along a radial line, and a rotor member having vanes moving along the inner peripheral surface of the cylindrical chamber. A resistance force of a visc... | 01/11/2005 |
| 6678918 | Open-close apparatus A sliding resistance member (3) is interposed between a glove box (B) and a rod type air damper (21). It is assumed that when a glove box lid (L) corresponding to a open-close member starts opening, the rod type air damper (21) rotates while running idle ... | 01/20/2004 |
| 6625847 | Door closers A door closer comprises an actuator assembly (20) adapted for fitting within the thickness of a door and an anchor member (10) adapted for fitting in a door frame in opposed relation to said edge face of the door. An operating member (30) is driven by spr... | 09/30/2003 |
| 6618899 | Door closer and method of producing a door closer A door closer assembly and method of making the assembly, in which the closing force is exerted by at least one closing spring. The door closer assembly comprises a housing, a rotor journalled in said housing to deliver torque, and at least one piston app... | 09/16/2003 |
| 6499185 | Apparatus for holding a door open A door hold-open device including a track, a first catch slidably mounted for longitudinal movement in the track, a stop assembly including a second catch coupled to the track and adapted to engage the first catch wherein the second catch is moveable in a... | 12/31/2002 |
| 6434788 | Door closer The invention describes a door closer with an energy storage that includes a resisting spring (3), with a closer shaft (1) driven by the resisting spring (3) and with an hydraulic fluid damped damping device (12, 13), whereby the energy storage and the da... | 08/20/2002 |
| 6397430 | Adjustable hydraulic backcheck door closer A hydraulic backcheck valve system for controlling an opening cycle of a door closer has a housing with an interior chamber, at least one cylinder, and a piston that can reciprocate between a door closing stroke and a door opening stroke within the cylind... | 06/04/2002 |
| 6314612 | Door hinge with a locking device based on a field force Door hinge with a locking device based on a field force, including a cylinder divided by a piston into working spaces that are filled with an operating medium whose viscosity can be changed by means of a field force. The working spaces are connected to on... | 11/13/2001 |
| 6298520 | Door closer and mounting bracket A door closer and mounting bracket for attaching the door closer to either the door or the door frame. The door closer includes two pins at one end for engaging corresponding holes on the mounting bracket and the mounting bracket includes a resilient clip... | 10/09/2001 |
| 6240598 | Arrangement for controlling an angularly movable member A control mechanism for use with a door closer, comprises a shaft (10), angularly movable between a normal position and a second position, the shaft (10) having a first portion (21a) and a second portion (21b), a brush spring (35) attached to the shaft fi... | 06/05/2001 |
| 6205615 | Door closer A door closer and mounting bracket for attaching the door closer to either the door or the door frame. The door closer includes a lip at one end for engaging a corresponding hook on the mounting bracket and a screw passageway at the other end for engaging... | 03/27/2001 |
| 6202253 | Storm door cylinder lock A cylinder lock door closure device. In an exemplary application, the cylinder lock door closure device includes a cylindrical housing, a piston assembly, an arm assembly, a cylindrical catch piece and a hard stop whereby when a door is opened past 90° o... | 03/20/2001 |
| 6154924 | Door closer unit A door closer unit (100) including a cylindrical housing (10) with a partition (14) axially extending inside and having a first liquid path; a moving body (20) with a movable barrier (24) dividing the interior of the housing into first and second chambers... | 12/05/2000 |
| 6125505 | Door closer and mounting bracket A door closer and mounting bracket for attaching the door closer to either the door or the door frame. The door closer includes a lip at one end for engaging a corresponding hook on the mounting bracket and a screw passageway at the other end for engaging... | 10/03/2000 |
| 6032330 | Locating structure of oil pressure door closer A locating structure of an oil pressure door closer is composed of a locating plate, a main body of the door closer, and a plurality of fastening pins. The locating plate is fastened with a door and provided with a plurality of fastening holes. The main b... | 03/07/2000 |
| 5992444 | Control device for door closer A control device for a door closer is arranged to control flow of pressure medium within a body part of the door closer and comprises an adjustment member supported by threads on the body part of the door closer, and in cooperation therewith, a separate s... | 11/30/1999 |
| 5864920 | Door closer for the non-fire side of a fire-door safety installation A door control device for use on a non-fire side of a fire-door mounted in a door frame in a fire-door safety installation has a door closer assembly filled with a hydraulic damping fluid and attached to a non-fire side of the fire-door by at least one fa... | 02/02/1999 |
| 5862896 | Device for dampening the movement of a pivotally supported structural part, for example, a flap in an automobile A device for dampening the movement of a pivotally supported structural part, for example, a flap or closure within an automobile, comprises a pivot arm attached to the structural part, and a rack operatively connected to the pivot arm. A housing is rotat... | 01/26/1999 |
| 5842255 | Door closers with automatic latching or/and delayed action The present invention discloses door closers provided with automatic latching in any position along the stroke, and delayed action mechanism together with a mechanism to switch on and off the automatic latching and the delayed action operation modes. The ... | 12/01/1998 |
| 5836232 | Cylinder safety lock A safety, fluid-actuated cylinder-and-piston mechanism for use with an article which is movable between first and second positions. The mechanism comprises a conventional, fluid-actuated cylinder-and-piston mechanism and an automatic locking bar. The pist... | 11/17/1998 |
| 5666692 | Adjustable power closure A door closer having a spindle and cam arrangement for driving a cam plate longitudinally within a housing filled with oil, and dual rods connected to the cam plate at one end and to two pistons respectively at an opposite end. The pistons are reciprocal ... | 09/16/1997 |
