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| Number | Title | Issue Date |
| 7607263 | Door operator system An operator for use in connection with a door system including an axle having an operator framework supporting an operator motor, the operator framework defining a clearance adapted to insertably receive the axle therein, a gear assembly defining a bore in which the... | 10/27/2009 |
| 7441372 | Balancing device for a suspended element A balancing and equilibration device for suspended elements, e.g. doors, pieces of furniture, and windows that can be moved vertically, to allow their easy movement and balanced positioning at any point of their vertical travel. Supporting ropes are wound up to be t... | 10/28/2008 |
| 7367160 | Door operator system An operator for use in connection with a door system including an axle having an operator framework supporting an operator motor, the operator framework defining a clearance adapted to insertably receive the axle therein, a gear assembly defining a bore in which the... | 05/06/2008 |
| 7350333 | Brake device for garage doors and the like A brake device (1) is for use with a cable-operated door (3), such as garage doors (3) and the like. The device (1) is intended to reduce the risk of the door (3) falling, or at the very least slow down its descent, in the event of... | 04/01/2008 |
| 7311130 | Controlled drive for a garage door panel for the like The invention relates to a system to control the motor drive of a garage door panel which is reciprocatingly movable and guided along a predetermined track between two end positions, and possibly, one or more intermediate stop positions, said garage door panel inclu... | 12/25/2007 |
| 7282883 | Pivoting and barrier locking operator system A system for moving a barrier between limit positions, includes an operator motor assembly mounted proximate to the barrier, wherein at least a portion of the motor assembly is movable between an operating position and a locking position with the motor assembly bloc... | 10/16/2007 |
| 7254868 | winding and anti-drop assembly for door counterbalance system A counterbalance system (25) for a door (D) movable between a closed position and an open position having an axle (20), a cable drum (15) attached to the axle, a winding shaft (35) interconnected with the axle by a counterbalance spring (... | 08/14/2007 |
| 7246647 | Overhead door locking operator A system for raising and lowering a sectional overhead door between an open position and a closed position including, a counterbalance system adapted to be connected to the door, an operator motor assembly mounted proximate to the sectional overhead door in the clos... | 07/24/2007 |
| 7234502 | Overhead door apparatus with enclosed counterbalance mechanism An overhead garage door with a counterbalance mechanism incorporated into a pocket or hollow section formed in the door. ... | 06/26/2007 |
| 7231953 | Rollup door with direct connected drive motor unit A flexible curtain rollup door includes a drum mounted on a door frame and drivenly connected to an electric right angle gear motor unit. The frame includes opposed channel shaped guide tracks for receiving opposed side edges of a door curtain. Spaced apart elastica... | 06/19/2007 |
| 7219392 | Breakaway track system for an overhead door An overhead garage door (10) includes a plurality of panels (11) each carrying rollers (12) which ride in a track assembly (15). The track assembly (15) includes a generally vertically positionable component (16), a generall... | 05/22/2007 |
| RE39504 | Counterbalance system for upward acting door A counterbalance system for an upward-acting door includes spaced-apart wall brackets and cable drums supported on the brackets and connected to flexible cables which depend from the drums and connected to the lower side edges of an upward-acting sectional garage do... | 03/13/2007 |
| 7178370 | Biometric self-contained gravity-operated illuminated tactile gun safe A gun safe is provided. The safe includes a computer system and is readily located and used by a home owner under the darkness of night. The safe permits a loaded ready-to-use firearm to be stored and accessed safely and quickly. The safe door opens silently and use... | 02/20/2007 |
| 7174673 | Jack-shaft operator assembly having connecting plate secured by a coupler to a drive member A shaft operator assembly for moving a door assembly which includes a movable door leaf and a door shaft attached to the door leaf for common movement together. A shaft connecting unit includes a shaft connecting element and a connecting plate element and connects a... | 02/13/2007 |
| 7111895 | Apparatus for pneumatic operation of transport container sliding door An apparatus for automatically operating a sliding door of a transport container is provided. The apparatus includes a sliding door, a drive mechanism and a pneumatic motor. The drive mechanism is coupled to the sliding door and configured to allow movement of the s... | 09/26/2006 |
| 7108835 | Fischer-tropsch slurry reactor cooling tube arrangement An arrangement of cooling tubes within a Fischer-Tropsch slurry reactor simplifies removal and reinstallation of cooling tubes for reactor maintenance. ... | 09/19/2006 |
| 7093322 | Counter-balance weight for a modular safety rail A counter-balance weight for a modular safety rail comprises a substantially solid body which defines a passage to receive an end of an elongate spacer member, a recess region to house a retainer of a kind selectively securable to the elongate spacer member, an acce... | 08/22/2006 |
| 7059379 | Low head room overhead door system with adjustable short radius track section A universal overhead door system includes a pair of horizontal track members, a pair of vertical track members and a pair of track radius members interconnecting the horizontal and vertical track members. A pair of adjustable short radius members extend from the tra... | 06/13/2006 |
| 7061197 | Pivoting and barrier locking operator system A system for moving a barrier between limit positions, includes an operator motor assembly mounted proximate to the barrier, wherein at least a portion of the motor assembly is movable between an operating position and a locking position with the motor assembly bloc... | 06/13/2006 |
| 7017302 | Balance control system for a movable barrier operator A balance control system comprises a motor, a transmission system providing connection between the motor and the door and adapted to move the door between a closed position and an open position located above the closed position, a counterbalance system to reduce pow... | 03/28/2006 |
| 6983785 | Door operating mechanism and method of using the same A mechanism and method for operating a track-mounted door is disclosed. The mechanism includes a pair of side drums that are connected by first cables to the bottom of the door. The side drums are coaxially mounted on a shaft for simultaneous rotation with a pair of... | 01/10/2006 |
| 6959751 | Winding system, rolling door assembly including the same and kit for assembling the winding system A winding system for winding a rolling door assembly. The winding system includes a support bracket, first and second gears. The support bracket is preferably rigidly connectable to a fixed structure of the rolling door assembly, and has a receiving device and a sup... | 11/01/2005 |
| 6948547 | Overhead garage door with decorative house facade elements An overhead garage door having the appearance of a set of light-transmitting doors, such as French doors. The garage door includes arrays of light-transmitting panels on the door arranged to simulate light-transmitting doors, moldings, doorknobs, and hardware for co... | 09/27/2005 |
| 6926061 | Cable tensioner and shock absorber for a door A cable tensioner for an industrial door helps keep a cable neatly wrapped on its take-up drum. In some embodiments, the tensioner functions in a first mode during normal door operation, and operates in a second mode when the tension in the cable decreases to a pred... | 08/09/2005 |
| 6918211 | Door closing device A device for urging a door into a first position includes a spring apparatus (16) including a winding drum (22) having a conical outer peripheral surface (27) and a torsional spring (24) for imparting a relatively constant urging force to... | 07/19/2005 |
| 6907964 | Ratchet-like assembly for winding a counterbalancing mechanism of a door, door assembly including the same and kit for assembling the ratchet-like assembly A ratchet-like assembly for winding a counterbalancing mechanism of a door. The ratchet-like assembly includes at least one plate, at least one ridge, an actuator, and at least one pawling element. Each plate is operatively mounted onto a fixed structure and include... | 06/21/2005 |
| 6883579 | Drive system for garage door A drive system is provided for a moveable barrier, such as a garage door, that limits unauthorized shifting thereof. The drive system includes a flexible actuator for raising and lowering the door. The flexible actuator is tensioned with a biasing mechanism to minim... | 04/26/2005 |
| 6862845 | Drop-catch mechanism for an overhead door A drop-catch mechanism for preventing the door leaf of an overhead door from rapidly closing upon breakage of the balancing spring thereof. The drop-catch mechanism having an input member for coupling with the balancing spring of the overhead door, a ratchet wheel f... | 03/08/2005 |
| 6742564 | Spring force safety locking system for sectional doors Hardware that improves safety and minimizes the risk involved in installing, maintaining, and operating sectional doors that use springs to facilitate door movement. A lock-on side bearing bracket bears up a spring on a garage door. This side-bearing bracket include... | 06/01/2004 |
| 6735905 | Ratcheting winding cone A ratcheting system is used to wind a helical torsion spring around a torsion bar in a counterbalancing mechanism for an overhead door having multiple panel sections. The ratcheting system contains: (1) a cylindrical sleeve encompassing the torsion bar, the sleeve h... | 05/18/2004 |
| 6695033 | Guide device for winding shaft of a material handling door comprising a flexible curtain A guide device for winding shaft (4) of a material handling door (1) includes vertical members (2, 3) including in their upper part a bore (11) traversed by the actuator (13) of the shaft (4) such that each bearing (14, 15) cop-operates with a plate (16) ... | 02/24/2004 |
| 6694673 | Eccentrically mountable plug for counterbalancing systems of garage doors and the like A plug for use in a counterbalancing mechanism of a cable-operated door. The plug is used for operatively connecting an overhead shaft to a torsion spring co-axially mounted thereon. The plug includes a cylindrical collar and a cylindrical flange. The cyl... | 02/24/2004 |
| 6684931 | Counter weight door A counter weight door has a plurality of counter weights each associated with a respective one of the panels and an interconnecting spring connecting each of the weights to the next. At least one of the counter weights has a cradle which is arranged to re... | 02/03/2004 |
| 6655088 | Safety break for an overhead door An arrangement for monitoring a condition of a counterbalance torsion spring in an overhead door or gate and preventing the door or gate from accidentally slamming shut or dropping too rapidly when the spring fails. The arrangement includes a drum mounted... | 12/02/2003 |
| 6651723 | Garage door opening/closing system There is provided a new and useful garage door (12) opening/closing system (10) comprising a garage door (12) having top (32), bottom (34), and first and second sides (54, 56) and having a series of rollers (58) associated with the first and second sides ... | 11/25/2003 |
| 6560927 | Counteraction system for a sectional door A counteraction system for a sectional door includes a counterweight system that helps counterbalance the weight of the door and helps hold the door in place when the door is fully open. The counterweight system comprises a suspended string of individual ... | 05/13/2003 |
| 6561256 | Extension spring counterbalance system An upwardly acting sectional door system including, a door (D) having a plurality of hinged door sections (16-18) movable between a closed vertical position and an open horizontal position, a drive tube (31) mounted above the door in the closed vertical p... | 05/13/2003 |
| 6554047 | Guide track assemblies and mounting brackets for upward acting doors Guide track assemblies for upward acting doors include substantially linear vertical and horizontal track sections and curvilinear transition sections formed as portions of each of the vertical and horizontal linear sections. The track assemblies are supp... | 04/29/2003 |
| 6502281 | Plug for operatively connecting torsion springs to overhead shafts of counterbalancing systems used for garage doors and the like A plug for use in a counterbalancing mechanism of a cable-operated door. The plug is mounted about an overhead shaft and used for operatively connecting the overhead shaft to a torsion spring coaxially mounted thereon. The plug includes a cylindrical coll... | 01/07/2003 |
| 6442897 | Counterbalance system cable drum for sectional doors A counterbalance system (10) for an upwardly acting door (D) movable on tracks (T, T) between a closed position and an open position having, a drive tube (31) adapted to be mounted above the door in the closed position, a cable drum assembly (30) mounted ... | 09/03/2002 |
