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| Number | Title | Issue Date |
| 7721386 | Closer arm assembly for an automatic door closer Closer arm assembly includes a main arm having a first end fixed to the output shaft of a closer fixed to one of a door and a door jamb so that the main arm pivots when the output shaft rotates, and a connecting arm having a first end pivotably connected to the main... | 05/25/2010 |
| 7444713 | Closer arm assembly for an automatic door closer Closer arm assembly includes a main arm having a first end fixed to the output shaft of a closer fixed to one of a door and a door jamb so that the main arm pivots when the output shaft rotates, and a connecting arm having a first end pivotably connected to the main... | 11/04/2008 |
| 7124469 | Automatic sliding door closure device An automatic sliding door closure device for use with a sliding door on a track. The device comprises a housing attached to the door having a connecting arm attached to the housing. A pulley rotatably mounted within the housing guides a cable having an exterior end ... | 10/24/2006 |
| 6442796 | Air damper An air damper consists of a tubular cylinder with opposite ends, a piston movable in the cylinder, a first coil spring for resiliently biasing the piston in the direction of one end of the cylinder, a string for transferring dampening effect produced by a... | 09/03/2002 |
| 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 |
| 6167654 | Device for operating hinged or guided closures A device for automatically closing a closure installation (such as a window or a door) includes a drive device, a traction mechanism, a spring, an actuating device and a locking device. The closure installation is mounted in a frame supported by a buildin... | 01/02/2001 |
| 5448797 | Selectable friction assisted door holder assembly An adjustable overhead mounted door holder assembly for attachment between a door jamb and a door to hold the door in an open position includes a jamb bracket attached to the door jamb and a jamb arm pivotally attached to the jamb bracket. A channel assem... | 09/12/1995 |
| 5446944 | Rocker latch overhead door holder assembly A door holder assembly, for attachment between a door jamb and a door, to hold the door in an open position includes a jamb bracket attached to the door jamb and a jamb arm pivotally attached to the jamb bracket. A channel assembly having a longitudinally... | 09/05/1995 |
| 5075923 | Concealed door positioning mechanism A door positioning device comprising a housing concealed in a door jamb and a mechanism mounted in the housing for holding the door open in one or more selected positions. The mechanism comprises a cylinder mounted in the housing wherein a slidable piston... | 12/31/1991 |
| 5016317 | Lightly-operating automatic door closer with double cylinders An automatic door closer includes: a casing having a primary and a secondary cylinder juxtapositionally formed in the casing for resiliently holding two pistons in the two cylinders filled with a hydraulic oil and partitioned with a wall formed with a mai... | 05/21/1991 |
| 4738483 | Air guiding mechanism for an open roof construction, and an open roof construction provided with this air guiding mechanism The invention relates to an air guiding mechanism for an open roof construction with a sliding panel, for a vehicle. The mechanism comprises an air guiding strip which can be fitted at the front edge of the roof opening. The air guiding strip is displaced... | 04/19/1988 |
| 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 |
