Aircraft security door and method and apparatus for security door handling
US-2020223527-A1 · Jul 16, 2020 · US
US10697137B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10697137-B2 |
| Application number | US-201816604250-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 6, 2018 |
| Priority date | Apr 10, 2017 |
| Publication date | Jun 30, 2020 |
| Grant date | Jun 30, 2020 |
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A canopy for a passenger boarding bridge, includes a fixed frame, a flexible frame configured to align to a fuselage of a plane or a ship, a bellow roof clamped between the fixed frame and the flexible frame, and a suspension system. The suspension system includes a first cylinder actuator, and a second cylinder actuator, wherein the first cylinder actuator is configured to provide a pushing force in a first pushing direction and the second cylinder actuator is configured to provide a pushing force in a second pushing direction, wherein the first cylinder actuator and the second cylinder actuator are connected in series and the first pushing direction is opposite to the second pushing direction.
Opening claim text (preview).
What is claimed is: 1. A canopy for a passenger boarding bridge, comprising: a fixed frame, a flexible frame configured to align to a fuselage of a plane or a ship, a bellow roof clamped between the fixed frame and the flexible frame, and a suspension system, comprising: a first cylinder actuator, and a second cylinder actuator, wherein the first cylinder actuator is configured to provide a pushing force in a first pushing direction and the second cylinder actuator is configured to provide a pushing force in a second pushing direction, wherein the first cylinder actuator and the second cylinder actuator are connected in series and the first pushing direction is opposite to the second pushing direction, wherein the first cylinder actuator is disposed between the fixed frame and the second cylinder actuator, and the second cylinder actuator is disposed between the first cylinder actuator and the flexible frame. 2. The canopy of claim 1 wherein the first cylinder actuator and the second cylinder actuator are parallel to each other. 3. A passenger boarding bridge comprising the canopy of claim 1 . 4. The canopy of claim 1 wherein the first cylinder actuator and the second cylinder actuator are fixedly connected to each other by a common frame or a closed housing. 5. The canopy of claim 4 wherein the common frame has a main extension direction with a length along a mean pushing direction. 6. The canopy of claim 4 , wherein the first cylinder actuator has a first cylinder and a first rod and the second cylinder actuator has a second cylinder and a second rod, wherein the first rod and the second rod are each transferable between an extracted state and a retracted state. 7. The canopy of claim 6 wherein the first rod and the second rod are both fixed at a respective frame side end at the common frame. 8. The canopy of claim 6 wherein in an extracted state of the cylinder actuators each cylinder is at least partially accommodated within the common frame. 9. The canopy of claim 6 , wherein, in an extracted state of the cylinder actuators, each cylinder is at least partially accommodated within the closed housing.
Movable bridges in general (floating bridges with sections movable to allow passing of water-borne traffic E01D15/145; lock gates E02B7/20); Constructional elements peculiar to movable bridges · CPC title
Bridges extending between terminal building and aircraft, e.g. telescopic, vertically adjustable · CPC title
Bridges or similar structures, based on land or on a fixed structure and designed to give access to ships or other floating structures (arrangement of ship-based ramps B63B27/14; loading ramps B65G69/28) · CPC title
flexible, e.g. bellows · CPC title
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