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| Number | Title | Issue Date |
| 7155779 | Automatic lift and turn hinge and gate An automatic hinge having an upper or left hand section with an arcuate interior or lower edge, a central section with an arcuate left hand or upper edge and an arcuate right hand or lower edge, and a lower or right hand section with an upper or interior edge. The s... | 01/02/2007 |
| 7114290 | Vehicle actuated gate opening/closing system A gate opening system which includes a barrier and a barrier mounting adapted to mount the barrier in an open or closed condition, a retention device to secure the barrier in an open or closed condition, a drive element, and an energy transmission system, whereby en... | 10/03/2006 |
| 7086642 | Rackabale gate for fence and method of producing such A rackable gate having a gate panel with spaced-apart rails connected to a plurality of first pickets and a second picket. The second picket attaches to the respective rails on a side edge opposing the attachment of the first pickets to the rail. Distal opposing end... | 08/08/2006 |
| 6935000 | Gate hinge and method for mounting gate opener The disclosed device is directed toward a lifting gate. The lifting gate comprises a barrier member having a top and a bottom opposite thereof. A top bracket assembly is coupled to the top of the barrier member. The top bracket assembly includes a top bearing couple... | 08/30/2005 |
| 6446307 | Manway lid lifter A lid lifter mount is installed on the hinge pin of a conventional manway lid, and has a compression spring assembly engaging a lever which is also installed on the hinge pin. The lever has a bar engaging a lid hinge arm. A spring force adjustment screw c... | 09/10/2002 |
| 5615520 | Damped one-way self-closing gate A one-way self closing gate such as may be used in retail stores, airports or libraries is provided with an inclined helical ramp mechanism by which opening of the gate also causes lifting of the gate arm relative to the gate base. When released the gate ... | 04/01/1997 |
| 5180121 | Aircraft door hinge mechanism with selectively triggerable actuator A cam actuator (12) for rapidly opening an aircraft door (14) that is attached to an aircraft fuselage (18) by a hinge assembly (26). The actuator includes a piston (40), a piston rod (42) that is secured to the piston and rotating sleeve (44) that is fit... | 01/19/1993 |
| 5050344 | Gate opening device An automatic gate opening device is provided which simultaneously lifts and opens the gate. A drive mechanism forces the gate upward, while a roller bearing following a helical slot in a tube causes rotation of the gate. Hinges are provided which allow si... | 09/24/1991 |
| 4897960 | Railroad crossing gate An improved crossing gate for railroad grade crossings. The gate is constructed of an impact-resistant material, and the crossing arm is mounted so that it will swing out of the way and return to its original position if struck by a moving vehicle from ei... | 02/06/1990 |
| 4881353 | Cubicle A toilet cubicle having a pair of post engaging side panels bracketed to a rear wall and a top headrail engaging the side panels have doors rotatably joined in spaced apart relationship to the posts. Each door is pivotally supported by a foot disposed in ... | 11/21/1989 |
| 4667440 | Gate opening and closing system A remotely operated gate opening and closing system including a gate post with two vertically spaced helical slots through the walls of the post, a slideable and rotatable spindle concentrically inside the gate post, two L-shaped pins attached to the spin... | 05/26/1987 |
| 4655002 | Railroad crossing warning gate To prevent breakage, an end section that can be positioned across a roadway is connected through a slanting pivot to a supporting section, the raised and lowered positions of the supporting section being under control of a usual standard. The pintle of a ... | 04/07/1987 |
| 4589613 | Counterbalanced hinge assembly A counterbalancing system (30) for an inwardly/outwardly moving door (20) pivotable about an inclined hinge axis between fully closed and fully opened positions wherein the door (20) moves: (i) upslope through angle ଲ and downslope through angle θ ... | 05/20/1986 |
| 4570384 | Door mount and door nose An improved door having a door nose and a door mounting component which attach to the door panel in a manner which minimizes fastener exposure on the outer surface of the door and reduces cost of assembly.... | 02/18/1986 |
| 4458448 | Motorized pivoting gate with vertical lifting The disclosure describes a device enabling a gate to pivot while making a vertical lifting. The device comprises a vertical member, such as a metallic post, helicoidal guides on the vertical member, displacing means fixed on the gate and associated with t... | 07/10/1984 |
| 4447026 | Cam operated counterbalance assembly for aircraft doors A compact, cam operated, counterbalance system (30) is provided for the torque tube assembly (25) associated with a moveable hinged structural member (20) of the type hingedly connected to a fixed structural member and adapted to pivot about an inclined h... | 05/08/1984 |
| 4406034 | Self-closing door hinge A self-closing door hinge for a curtain door mounted within a frame consisting of a channel having a double helical track and a roller on said helical track which is returned to a pre-selected position after movement in either direction by compression of ... | 09/27/1983 |
| 4364200 | Automatically operable automotive vehicle gate apparatus provided with self protection and automotive protection Automatically operable automotive vehicle gate apparatus provided with self protection and automotive protection. The gate apparatus includes operational mechanism which moves a gate member within a gateway between a closed position and an open position. ... | 12/21/1982 |
| 4292764 | Multi-panel closures A multi-panel closure is disclosed in which a fastening member comprising a pair of integral back-to-back channels is positioned between the facing pair of edges of adjacent panels. The facing side sections of each channel grip the aforesaid edges between... | 10/06/1981 |
| 4263749 | Gate support An apparatus for use in elevating the movable end of the a swinging gate and for supporting and maintaining the end of gate in a predetermined position, whereby the locking drop rod of the gate may be selectively and cooperatively received by the apparatu... | 04/28/1981 |
| 4124955 | Automatic closure Apparatus is disclosed for use with an automatic closure of the type wherein the closure member, such as a door, returns to a home position when displaced therefrom. The closure member is at least partially supported by a hanger arm secured to a cam follo... | 11/14/1978 |
| 4078334 | Air seal An air seal is provided for restraining the flow of air through a cut-out section of a door which accommodates a door closing mechanism. A pair of nested cover strips individually flexed to a U-shaped configuration is mounted astride the mechanism, the bi... | 03/14/1978 |
| 4026069 | Turnstile assembly A U-shaped frame is secured to a pair of spaced fence posts, and the frame has yoke members which secure the U-frame at the top and the bottom to the fence posts. A one-way gate or turnstile is provided by rotatable members on the U-frame having turnstile... | 05/31/1977 |
| 3955241 | Cam operated spring biased counterbalance hinge mechanism for cabinet lid or the like A counterbalance hinge mechanism for a cabinet lid includes a stationary cabinet affixed hinge rod serving to rotatably support a pair of axially stationary lid mounting cam members and to slidably support a pair of non-rotatable cam followers. An adjusta... | 05/11/1976 |
