US20010007631A1 - Baggage slide - Google Patents
Baggage slide Download PDFInfo
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- US20010007631A1 US20010007631A1 US09/785,111 US78511101A US2001007631A1 US 20010007631 A1 US20010007631 A1 US 20010007631A1 US 78511101 A US78511101 A US 78511101A US 2001007631 A1 US2001007631 A1 US 2001007631A1
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- Prior art keywords
- ramp assembly
- article
- modular ramp
- accordance
- baggage slide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/30—Ground or aircraft-carrier-deck installations for embarking or disembarking passengers
- B64F1/305—Bridges extending between terminal building and aircraft, e.g. telescopic, vertically adjustable
- B64F1/3055—Bridges extending between terminal building and aircraft, e.g. telescopic, vertically adjustable with hinged head interface between aircraft and passenger bridge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/32—Ground or aircraft-carrier-deck installations for handling freight
- B64F1/324—Luggage loaders specially adapted for loading individual luggage items into or out of the aircraft
Definitions
- the present invention relates generally to baggage handling, and more specifically to an inclined baggage slide coupled to an elevated aircraft passenger bridge.
- the pivot point for the inclined portion is by necessity located near the top of the first step riser. Should a Boeing 757 or 777 then be parked at the terminal gate, the bridge may have to be elevated. In such a case, the ramp inclination angle changes rapidly and the angle is found to be too steep. That is the formed hypotenuse of the inclined portion of the ramp is relatively short in comparison to the present invention and any elevation change quickly affects the steepness of the incline.
- the present invention overcomes this deficiency because, as described in more detail below, the attachment is independent of the stairway assembly and the ramp instead attaches directly to the framework of the bridge assembly. No additional load is applied to the stairway as a result of the ramp weight itself or in combination with the weight of objects sliding down the ramp. Further, the attachment point which is also the pivotal point is near an underneath surface of the stairway landing platform but at its leading edge closest to the aircraft, thereby resulting in a longer inclined portion or formed hypotenuse. Now when the bridge needs to the elevated, the longer inclined ramp can be elevated without dramatically changing the slope of the incline.
- the present invention is a continuously inclining ramp, as opposed to the flat upper level fixed platform of the Thompson reference, the first upper level segment of the present invention ramp continues its incline.
- This provides a further ergonomic benefit to baggage handlers as the upper end of the incline is at a higher elevation such that a baggage handler need not bend down as far to place an article onto the ramp.
- the upper end of the incline is in effect closer to a height between the waist and knees of a typical handler.
- the present invention is a baggage slide for a movable elevated passenger walkway/bridge having attached to said movable elevated passenger walkway/bridge an auxiliary access stairway extending downwardly on an incline from the movable elevated passenger walkway/bridge to the tarmac.
- the auxiliary access stairway has an upper portion landing platform for facilitating access for airline service employees to and from the elevated passenger walkway/bridge from and to the tarmac.
- the inventive baggage slide comprises a baggage slide support member attached to a movable elevated passenger walkway/bridge and extends from said elevated passenger walkway/bridge near a leading edge and near an underneath side of an auxiliary access stairway's upper portion landing platform.
- the baggage slide support member further laterally extends beyond the auxiliary access stairway's upper portion landing platform a sufficient length to pivotally couple a loading end of an inclined modular ramp assembly.
- the inclined modular ramp assembly includes an unloading end for resting on a tarmac surface with a generally planar conveyance surface extending between the unloading end and the loading end for the sliding conveyance of an article from the loading end to the unloading end.
- the inclined modular ramp assembly is disposed near and generally parallel to the auxiliary access stairway.
- the inclined modular ramp assembly further includes upstanding wall members generally along each edge of the generally planar conveyance surface.
- the upstanding wall members are means for preventing the sliding article from falling off the generally planar conveyance surface.
- the loading end of the inclined modular ramp assembly preferably has side access means for loading the article from the auxiliary access stairway's upper portion landing platform onto the inclined modular ramp assembly, while the unloading end of the inclined modular ramp assembly has side access means for removing the article from the inclined modular ramp assembly.
- the unloading end of the inclined modular ramp assembly further comprises an article stop extending substantially across the inclined modular ramp assembly with the article stop further being located downstream of the side access means for removing the article from the inclined modular ramp assembly.
- the article stop is adapted to absorb the impact shock of the sliding article.
- the article stop typically may be a rubber reinforced gate.
- the inclined modular ramp assembly typically comprises a loading segment, an unloading segment and at least one intermediate segment there between.
- the generally planar conveyance surface comprises a longitudinally oriented channel corrugated surface defining rain water runoff paths between upper surfaces of the channel corrugated surface.
- the side access means for loading the article from the auxiliary access stairway's upper portion landing platform onto the inclined modular ramp assembly includes a first segment for funneling the article to said loading end.
- the first segment has a width greater than a corresponding width of the unloading end.
- the inclined modular ramp assembly further includes a shell for covering at least a portion of the inclined modular ramp assembly.
- the inclined modular ramp assembly comprises one or more segments of predetermined length each, wherein each segment is adjustable in length so as to maintain a substantially constant ratio between a height of the loading end from the tarmac surface and a length of the inclined modular ramp assembly.
- the inclined modular ramp assembly may comprise a loading segment, an unloading segment and a plurality of intermediate segments there between, where the plurality of intermediate segments have at least two different lengths.
- the unloading end preferably has ground engagement wheels coupled to the inclined modular ramp assembly at said unloading end.
- winch means located at the loading end for the controllable lowering of the article down the inclined modular ramp assembly and for the transfer of the article up the inclined modular ramp assembly, may be incorporated.
- the inclined modular ramp assembly may include a shell for covering a substantial portion of the inclined modular ramp assembly.
- the longitudinally oriented channel corrugated surface also provides for a reduced friction thereby enhancing the sliding of the article down the inclined modular ramp by causing only the upper surface of the longitudinally oriented channel corrugated surface to be in direct contact with the article as the article slides down the inclined modular ramp.
- the loading segment typically comprises a platform portion and a connecting portion for connecting the platform portion to the at least one intermediate segment, wherein the platform portion and the connecting portion form an obtuse angle.
- the loading segment comprises a platform portion and a connecting portion for connecting the platform portion to the plurality of intermediate segments, wherein the platform portion and the connecting portion form an obtuse angle.
- FIG. 1 is an illustrative plan view of a baggage slide of the present invention coupled to a passenger bridge connecting to an aircraft;
- FIG. 2 is an illustrative view of a walkway surface comprising a portion of the passenger bridge of FIG. 1 positioned adjacent the door of the aircraft;
- FIG. 3 is a perspective view of the invention near a service stairway part of the bridge;
- FIG. 4 is a partial perspective view of a supporting structure of the invention.
- FIG. 5 is a side elevational view of the invention
- FIG. 5A is a side elevational view of an alternate embodiment of the invention.
- FIG. 6 is a rear elevational view of the invention.
- FIG. 7 is a partial exploded view of two adjoining modular structural segments which comprise a portion of the invention.
- FIG. 8 is a side elevational view of another embodiment of the invention including a cover for the conveyance surface.
- FIG. 9 is an illustrative view of an article sitting on a conveyance surface and covered by the cover.
- FIGS. 1 and 2 there is illustrated an aircraft 10 having a moveable substantially enclosed elevated passenger walkway/passenger bridge 12 leading to the passenger entrance 14 of the aircraft.
- the entrance 14 is defined where the entry hatch/door 14 a is located in the fuselage of the aircraft.
- the passenger walkway/passenger bridge 12 includes a walkway floor 13 that is aligned with the entrance 14 and allows the passage/boarding of people into and out of the aircraft 10 .
- the moveable passenger bridge/elevated walkway 12 is adjusted to bring the walkway floor 13 to the proper elevation to service the particular model of aircraft. Further, an auxiliary access stairway 15 and other items associated with the entrance 14 of the aircraft 10 must also be adjusted to the elevation associated with the particular model of aircraft.
- the baggage slide 20 is designed and constructed to enable articles 21 to be transported from the elevated passenger walkway/bridge 12 to the ground/tarmac 11 .
- the term articles as utilized herein include one or a plurality of items such as but not limited to baggage, cargo, packages, gifts, and/or wheelchairs. Owing to size restrictions for “carry on” articles and the amount of available storage space within the passenger cabin, many articles must be removed from the elevated passenger walkway/passenger bridge 12 and transferred to the cargo hold of the aircraft 10 . For example, a passenger boarding the aircraft 10 through the elevated passenger walkway/passenger bridge 12 may be required to store some of their “carry on” articles in the airplanes cargo hold and may do so by giving the “carry-on” article to an attendant. The article is then moved from the walkway/passenger bridge 12 through an exterior door 17 of the elevated walkway 12 to the baggage slide 20 for movement to the ground/tarmac 11 and subsequently loaded into the cargo hold of the aircraft.
- a mechanism or winch means 16 is coupled to the baggage slide 20 and adapted to controllably lower an article down the baggage slide 20 . More particularly, the mechanism 16 is adapted to controllably lower and/or raise large, bulky, and or heavy articles such as but not limited to a wheelchair.
- the mechanism is typically a winch which is mounted to the baggage slide 20 .
- another embodiment of the baggage slide of the present invention contemplates that there is no mechanism 16 , or that the mechanism is coupled to the elevated walkway 12 or the auxiliary access stairway 15 or some other structure. Further, it should be understood that some articles may be assisted in their descent by mechanism 16 , and other articles may be left to slide freely down the baggage slide 20 .
- FIG. 3 there is illustrated a perspective view of one embodiment of the baggage slide 20 in position for receiving an article 21 from the elevated passenger walkway/passenger bridge 12 .
- Baggage slide 20 includes an inclined ramp 22 having a substantially planar conveyance surface 23 for the passage of articles from a loading end 24 to an unloading end 25 .
- the baggage slide 20 is typically disposed in a substantially parallel relationship to and adjacent the auxiliary access stairway 15 .
- the baggage slide 20 includes a plurality of modular segments including a top modular segment 27 , a bottom modular segment 28 and at least one intermediate modular segment 29 connecting therebetween. While the embodiment illustrated in FIG.
- each intermediate segment 29 is selected from a plurality of intermediate segments 29 having a variety of predetermined lengths.
- Each of the modular segments 27 , 28 and 29 has substantially the same width, depth and cross-sectional shape as the modular segment adjoining it.
- the modular segments 27 , 28 and 29 include a respective floor member 33 , 30 and 32 that defines a portion of the conveyance surface 23 .
- the floor members 33 , 30 and 32 are formed of corrugated sheet metal, the corrugated sheet metal having a plurality of channels extending along the length of the conveyance surface 23 .
- the floor members have means for providing a drain so as to allow water to pass through the conveyance surface 23 .
- the corrugated channel forming the conveyance surface provides for drainage of rain water along the valleys of the channels as depicted as 67 in FIGS. 1 and 3.
- An additional benefit to using a corrugated channel is that the upper surface of the conveyance surface has less surface area in direct contact with a sliding article, thereby lessening the amount of surface area friction between the article sliding down the inclined ramp and the ramp surface. This benefit resultantly enhances and facilitates the sliding of the articles down the ramp.
- Modular segments 27 , 28 and 29 include floor members 33 , 30 , 32 and upstanding wall members 40 , 42 and 41 respectively.
- the upstanding wall members are designed to minimize the instances of articles falling off the conveyance surface along its length.
- a preferred cross-section of the segments is substantially rectangular.
- each of the modular segments has a floor member width of about 27 inches and the upstanding wall members extend about 20 inches from the floor member. Therefore, a channel having a cross-section with a width of about 27 inches and a depth of about 20 inches form one embodiment of the conveyance passageway.
- other geometric cross-sections and dimensions as may be desired for specific application are contemplated herein.
- a support member 35 is pivotally coupled between the baggage slide 20 and at least one of the access stairway 15 and the elevated passenger walkway/bridge 12 .
- the support member 35 is coupled to the elevated passenger walkway/bridge 12 near the door 17 , and proximate a leading edge 65 of the auxiliary access stairway 15 landing platform 66 , and provides a cantilevered structure for receiving the baggage slide 20 about pivotal attachment point 63 as shown in FIGS. 4, 5 and 5 a.
- a typical connection would be a flanged connection as shown as shown in FIG. 4, at 64 .
- the pivotal attachment point 63 allows for minor elevational adjustment of the movable passenger walkway/bridge 12 .
- One end of the support member 35 is coupled to a mounting bracket 36 located on the underside of the top modular segment 27 and the other end of the support member 35 is coupled to a portion of the structure forming the elevated passenger walkway/bridge 12 , generally underneath the frame structure of the auxiliary access stairway 15 landing platform 66 or preferably to the elevated passenger walkway/bridge 12 itself so no additional loading stresses are applied to the auxiliary access stairway 15 and its landing platform 66 .
- the support member 35 in alternate embodiments may be coupled to a different portion of the top modular segment 27 or one of the intermediate modular segments 29 .
- the support member 35 is formed of conventional structural material, such as steel, aluminum, fiber-reinforced polymeric material or combinations thereof, capable of supporting the weight of the baggage slide 20 and the articles to be passed thereon.
- the support member 35 and the baggage slide 20 are preferably coupled together with the elevated walkway 12 by mechanical fasteners.
- the mechanical fasteners define a bolted connection.
- the baggage slide 20 can be deployed for use with an elevated walkway/passenger bridge 12 without the necessity to expose the aircraft to welding, brazing or other high temperature procedures.
- FIG. 5 there is illustrated a side elevational view of the baggage slide 20 .
- the plurality of modular segments 28 , 29 and 27 are coupled together to form a passageway for gravity conveyance from the elevated passenger walkway 12 to the tarmac/ground 11 .
- the elevation required for the baggage slide loading end 24 is determined by the model of aircraft, and more specifically the elevation ‘H’ associated with its entrance.
- the ratio can be maintained at a desirable value while maintaining a substantially continuing incline of the baggage slide 20 as depicted in FIGS. 3, 5, 5 a, 6 and 8 .
- the ramp slope may still be affected with slight elevating or lowering of the bridge 12 .
- the pivotal point 63 located proximate the leading edge of landing platform 66 , the ramp 20 typically will be longer than a ramp attached to the stairway riser area and as such, when the bridge 12 is elevated or lowered, the unloading end will roll along the tarmac 11 but the slope change insignificantly impacts the sliding of any articles.
- One form of the top modular segment 27 includes a platform portion 37 and a connecting portion 38 that are formed at an obtuse angle as depicted in FIG. 5.
- the platform portion 38 has a planar platform floor member 39 that adjoins the planar connecting floor member 38 .
- the connecting portion 38 is aligned with the intermediate modular segments 29 and when in position for conveying an article down the passageway is oriented at an acute angle ⁇ to the ground/tannac 11 .
- the acute angle ⁇ preferably at least about 17 degrees.
- the platform portion 38 is inclined at an acute angle ⁇ .
- the attachment point 63 is typically fastened in such a way as to allow some degree of pivoting as discussed above.
- An inlet 45 allows for the passage of articles to the platform portion 38 at or above the elevation of the deck 18 of the access stairway 15 .
- the inlet defining a side entrance for moving articles to the conveyance surface.
- a removable member 19 allows for larger articles to be passed through the safety railing 46 .
- the removable member 19 is defined by a chain.
- the bottom modular segment 28 has an outlet 47 adapted for the removal of articles from the baggage slide 20 .
- the outlet 47 is on the side of the ramp so as to allow side unloading of articles.
- the bottom modular segment 28 also includes a stop portion 48 that is offset from the outlet 47 and prevents the conveyance of articles off the distal end 49 of the baggage slide 20 .
- the stop portion 48 will give, that is, act as a shock absorber, so as to not impart shock loading to an article coming down the conveyance surface 23 .
- a mesh gate defines the stop portion 48 .
- shock absorbing materials are known in the art and suitable for use as a shock absorbing gate such as reinforced rubber sheet material, bungy cords, among other materials.
- the baggage slide 20 includes a set of ground engagement wheels 50 for allowing easy movement along the ground/tarmac 11 .
- FIG. 5A there is illustrated an alternate embodiment of the baggage slide that is substantially identical and like features will have like feature numbers.
- the distinction between the embodiment of FIG. 5 and FIG. 5A is that the embodiment of FIG. 5A has a fixed ground engagement device.
- FIG. 6 there is illustrated a partial rear elevation view of the baggage slide 20 .
- the loading end 24 being adjacent the platform 18 of the auxiliary access staircase 15 .
- the platform 18 providing a pathway for the movement of the articles by an attendant to the baggage slide 20 .
- the support member 35 is coupled to the baggage slide 20 to support at least a portion of the top modular portion to the elevation of the platform 18 .
- Upstanding wall member 40 wraps around the platform portion 37 .
- the loading end 24 including platform portion 38 has a width greater than the width of the unloading end 25 .
- FIG. 7 there is illustrated an exploded view of two modular segments coupled together with fasteners.
- the bottom segment supporting structure 60 is shown coupled with an intermediate segment supporting structure 61 .
- a plurality of fasteners 62 join the two supporting structure segments 60 and 61 together, and preferably define a threaded fastener such as a bolt and nut or a threaded stud and nut.
- a threaded fastener such as a bolt and nut or a threaded stud and nut.
- Baggage slide 130 is substantially similar to the baggage slide 20 and like feature numbers will be utilized to describe like features.
- the primary distinction between baggage slide 20 and baggage slide 130 relates to an environment protection shell 131 covering at least a portion of the conveyance surface 23 .
- the shell 131 being of a modular design and includes a bottom shell 132 and at least one intermediate shell 133 .
- the bottom shell 132 having an entrance 134 that corresponds with the outlet 47 so as to facilitate convenient side access to articles that have been conveyed down the baggage slide 130 .
- the modular segments 132 and 133 forming the shell may be fastened to the upstanding walls of the baggage slide with an interference fit or by a fastener connection.
- the shell segments are made out of materials that can withstand hostile environmental factors.
- One type of material is a plastic reinforced with fiberglass, although any lightweight weatherproof material may be selected.
- a retractable canopy is mounted to the baggage slide for providing environmental protection on an as needed basis.
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Abstract
Description
- This application is a continuation-in-part of U.S. patent application Ser. No. 09/183,058.
- 1. Field of the Invention
- The present invention relates generally to baggage handling, and more specifically to an inclined baggage slide coupled to an elevated aircraft passenger bridge.
- 2. Description of Related Art
- The use of a baggage slide outside the service door of the passenger loading bridge is to transfer baggage to the cargo loading area from the elevation and area directly adjacent to the passenger entrance to the aircraft.
- Owing to a growing trend among air travelers to carry their baggage onboard instead of checking it through at the ticket counter, overhead storage locations on aircraft can become dangerously overburdened. The FAA has guidelines restricting the size and number of pieces of carry-on luggage allowed, which the agency is urging the airlines to enforce. This baggage slide allows flight attendants and ground crews to swiftly and accurately handle overflow baggage without causing aircraft to sustain ground delays.
- In addition, in many situations disabled persons are not required to give advance notice to the airlines of their special needs, and frequently arrive for boarding at the passenger loading bridge in wheelchairs. The wheelchairs must be quickly checked as cargo after the disabled person has boarded the aircraft. Hence, there is a need for a baggage slide capable of quickly and efficiently delivering baggage and other cargo, such as wheelchairs, to the cargo loading area. The present invention satisfies this need.
- U.S. Pat. No. 6,109,854 to Thompson, Jr. et al. discloses a ramp in an attempt to solve the above described problems. However, this baggage slide has several inherent deficiencies which limit its use due to its structure and method of attachment. Specifically, the Thompson slide has several limitations that limit its ability to accommodate the height the bridge has to be elevated to in turn accommodate the bridge connection to the aircraft access door. Thompson discloses a ramp which has an inclined portion starting at the tarmac at its lower end and terminating at the upper level first stair. The ramp is fixed to the employee auxiliary access stairway at at least two locations, one being at the top of the riser of the first step and the other being at the leading edge area of the stairway upper level platform.
- From a safety standpoint, this creates shear loading and stress on the stairway assembly which could cause an accident whereby the ramp and stairway assembly separate from the bridge frame and fall to the ground.
- In addition, where the Thompson device is connected to the stairway upper level platform at at least two points, the pivot point for the inclined portion is by necessity located near the top of the first step riser. Should a Boeing 757 or 777 then be parked at the terminal gate, the bridge may have to be elevated. In such a case, the ramp inclination angle changes rapidly and the angle is found to be too steep. That is the formed hypotenuse of the inclined portion of the ramp is relatively short in comparison to the present invention and any elevation change quickly affects the steepness of the incline.
- The present invention overcomes this deficiency because, as described in more detail below, the attachment is independent of the stairway assembly and the ramp instead attaches directly to the framework of the bridge assembly. No additional load is applied to the stairway as a result of the ramp weight itself or in combination with the weight of objects sliding down the ramp. Further, the attachment point which is also the pivotal point is near an underneath surface of the stairway landing platform but at its leading edge closest to the aircraft, thereby resulting in a longer inclined portion or formed hypotenuse. Now when the bridge needs to the elevated, the longer inclined ramp can be elevated without dramatically changing the slope of the incline.
- In addition, because the present invention is a continuously inclining ramp, as opposed to the flat upper level fixed platform of the Thompson reference, the first upper level segment of the present invention ramp continues its incline. This provides a further ergonomic benefit to baggage handlers as the upper end of the incline is at a higher elevation such that a baggage handler need not bend down as far to place an article onto the ramp. The upper end of the incline is in effect closer to a height between the waist and knees of a typical handler.
- The present invention is a baggage slide for a movable elevated passenger walkway/bridge having attached to said movable elevated passenger walkway/bridge an auxiliary access stairway extending downwardly on an incline from the movable elevated passenger walkway/bridge to the tarmac. The auxiliary access stairway has an upper portion landing platform for facilitating access for airline service employees to and from the elevated passenger walkway/bridge from and to the tarmac.
- More specifically, the inventive baggage slide comprises a baggage slide support member attached to a movable elevated passenger walkway/bridge and extends from said elevated passenger walkway/bridge near a leading edge and near an underneath side of an auxiliary access stairway's upper portion landing platform. The baggage slide support member further laterally extends beyond the auxiliary access stairway's upper portion landing platform a sufficient length to pivotally couple a loading end of an inclined modular ramp assembly.
- The inclined modular ramp assembly includes an unloading end for resting on a tarmac surface with a generally planar conveyance surface extending between the unloading end and the loading end for the sliding conveyance of an article from the loading end to the unloading end. The inclined modular ramp assembly is disposed near and generally parallel to the auxiliary access stairway.
- The inclined modular ramp assembly further includes upstanding wall members generally along each edge of the generally planar conveyance surface. The upstanding wall members are means for preventing the sliding article from falling off the generally planar conveyance surface.
- The loading end of the inclined modular ramp assembly preferably has side access means for loading the article from the auxiliary access stairway's upper portion landing platform onto the inclined modular ramp assembly, while the unloading end of the inclined modular ramp assembly has side access means for removing the article from the inclined modular ramp assembly.
- In a typical application of the invention, the unloading end of the inclined modular ramp assembly further comprises an article stop extending substantially across the inclined modular ramp assembly with the article stop further being located downstream of the side access means for removing the article from the inclined modular ramp assembly. The article stop is adapted to absorb the impact shock of the sliding article. For example, the article stop typically may be a rubber reinforced gate.
- The inclined modular ramp assembly typically comprises a loading segment, an unloading segment and at least one intermediate segment there between.
- The generally planar conveyance surface comprises a longitudinally oriented channel corrugated surface defining rain water runoff paths between upper surfaces of the channel corrugated surface.
- The side access means for loading the article from the auxiliary access stairway's upper portion landing platform onto the inclined modular ramp assembly includes a first segment for funneling the article to said loading end. The first segment has a width greater than a corresponding width of the unloading end.
- In an additional embodiment of the invention, the inclined modular ramp assembly further includes a shell for covering at least a portion of the inclined modular ramp assembly.
- In another embodiment of the invention, the inclined modular ramp assembly comprises one or more segments of predetermined length each, wherein each segment is adjustable in length so as to maintain a substantially constant ratio between a height of the loading end from the tarmac surface and a length of the inclined modular ramp assembly.
- Of course, the inclined modular ramp assembly may comprise a loading segment, an unloading segment and a plurality of intermediate segments there between, where the plurality of intermediate segments have at least two different lengths.
- For facilitating relative movement along the tarmac as the bridge is elevated somewhat to adjust to specific aircraft configurations, the unloading end preferably has ground engagement wheels coupled to the inclined modular ramp assembly at said unloading end.
- For items that need to be lowered carefully or for items htat need to be elevated from the tarmac to the aircraft, winch means located at the loading end for the controllable lowering of the article down the inclined modular ramp assembly and for the transfer of the article up the inclined modular ramp assembly, may be incorporated.
- For weather protection, the inclined modular ramp assembly may include a shell for covering a substantial portion of the inclined modular ramp assembly.
- The longitudinally oriented channel corrugated surface also provides for a reduced friction thereby enhancing the sliding of the article down the inclined modular ramp by causing only the upper surface of the longitudinally oriented channel corrugated surface to be in direct contact with the article as the article slides down the inclined modular ramp.
- The loading segment typically comprises a platform portion and a connecting portion for connecting the platform portion to the at least one intermediate segment, wherein the platform portion and the connecting portion form an obtuse angle. Similarly, in the embodiment with the plurality of intermediate segments, the loading segment comprises a platform portion and a connecting portion for connecting the platform portion to the plurality of intermediate segments, wherein the platform portion and the connecting portion form an obtuse angle.
- Related objects and advantages of the present invention will be apparent from the following description.
- FIG. 1 is an illustrative plan view of a baggage slide of the present invention coupled to a passenger bridge connecting to an aircraft;
- FIG. 2 is an illustrative view of a walkway surface comprising a portion of the passenger bridge of FIG. 1 positioned adjacent the door of the aircraft;
- FIG. 3 is a perspective view of the invention near a service stairway part of the bridge;
- FIG. 4 is a partial perspective view of a supporting structure of the invention;
- FIG. 5 is a side elevational view of the invention;
- FIG. 5A is a side elevational view of an alternate embodiment of the invention;
- FIG. 6 is a rear elevational view of the invention;
- FIG. 7 is a partial exploded view of two adjoining modular structural segments which comprise a portion of the invention;
- FIG. 8 is a side elevational view of another embodiment of the invention including a cover for the conveyance surface; and
- FIG. 9 is an illustrative view of an article sitting on a conveyance surface and covered by the cover.
- For the purposes of promoting an understanding of the principles of the invention, reference will now be made to the embodiment illustrated in the drawings and specific language will be used to describe the same. It will nevertheless be understood that no limitation of the scope of the invention is thereby intended, such alterations and further modifications in the illustrated device, and such further applications of the principles of the invention as illustrated therein being contemplated as would normally occur to one skilled in the art to which the invention relates.
- Referring to FIGS. 1 and 2, there is illustrated an
aircraft 10 having a moveable substantially enclosed elevated passenger walkway/passenger bridge 12 leading to thepassenger entrance 14 of the aircraft. Theentrance 14 is defined where the entry hatch/door 14 a is located in the fuselage of the aircraft. The passenger walkway/passenger bridge 12 includes awalkway floor 13 that is aligned with theentrance 14 and allows the passage/boarding of people into and out of theaircraft 10. There are many models of aircraft and the elevation of theentrance 14 above the ground/tarmac, as indicated by “W”, often varies between the models. For example, the elevation of the passenger entrance to of the DC-9 is about 9 feet, the Boeing 757 is about 13 feet 4 inches and the Boeing 747 is about 17 feet 7 inches. The moveable passenger bridge/elevated walkway 12 is adjusted to bring thewalkway floor 13 to the proper elevation to service the particular model of aircraft. Further, anauxiliary access stairway 15 and other items associated with theentrance 14 of theaircraft 10 must also be adjusted to the elevation associated with the particular model of aircraft. - The
baggage slide 20 is designed and constructed to enablearticles 21 to be transported from the elevated passenger walkway/bridge 12 to the ground/tarmac 11. The term articles as utilized herein include one or a plurality of items such as but not limited to baggage, cargo, packages, gifts, and/or wheelchairs. Owing to size restrictions for “carry on” articles and the amount of available storage space within the passenger cabin, many articles must be removed from the elevated passenger walkway/passenger bridge 12 and transferred to the cargo hold of theaircraft 10. For example, a passenger boarding theaircraft 10 through the elevated passenger walkway/passenger bridge 12 may be required to store some of their “carry on” articles in the airplanes cargo hold and may do so by giving the “carry-on” article to an attendant. The article is then moved from the walkway/passenger bridge 12 through anexterior door 17 of theelevated walkway 12 to thebaggage slide 20 for movement to the ground/tarmac 11 and subsequently loaded into the cargo hold of the aircraft. - A mechanism or winch means16 is coupled to the
baggage slide 20 and adapted to controllably lower an article down thebaggage slide 20. More particularly, themechanism 16 is adapted to controllably lower and/or raise large, bulky, and or heavy articles such as but not limited to a wheelchair. The mechanism is typically a winch which is mounted to thebaggage slide 20. However, another embodiment of the baggage slide of the present invention contemplates that there is nomechanism 16, or that the mechanism is coupled to theelevated walkway 12 or theauxiliary access stairway 15 or some other structure. Further, it should be understood that some articles may be assisted in their descent bymechanism 16, and other articles may be left to slide freely down thebaggage slide 20. - With reference to FIG. 3, there is illustrated a perspective view of one embodiment of the
baggage slide 20 in position for receiving anarticle 21 from the elevated passenger walkway/passenger bridge 12.Baggage slide 20 includes aninclined ramp 22 having a substantiallyplanar conveyance surface 23 for the passage of articles from aloading end 24 to an unloadingend 25. As shown in FIGS. 1 and 3, thebaggage slide 20 is typically disposed in a substantially parallel relationship to and adjacent theauxiliary access stairway 15. Thebaggage slide 20 includes a plurality of modular segments including a topmodular segment 27, a bottommodular segment 28 and at least one intermediate modular segment 29 connecting therebetween. While the embodiment illustrated in FIG. 3, includes a pair of intermediatemodular segments modular segments modular segments respective floor member conveyance surface 23. In one embodiment thefloor members conveyance surface 23. However, other materials for the floor member are contemplated herein. Further, in an alternate embodiment, the floor members have means for providing a drain so as to allow water to pass through theconveyance surface 23. The corrugated channel forming the conveyance surface provides for drainage of rain water along the valleys of the channels as depicted as 67 in FIGS. 1 and 3. An additional benefit to using a corrugated channel is that the upper surface of the conveyance surface has less surface area in direct contact with a sliding article, thereby lessening the amount of surface area friction between the article sliding down the inclined ramp and the ramp surface. This benefit resultantly enhances and facilitates the sliding of the articles down the ramp. -
Modular segments floor members upstanding wall members - With reference to FIG. 4, there is illustrated one embodiment of the baggage slide support structure for mounting the
baggage slide 20 relative to theelevated walkway 12. Asupport member 35 is pivotally coupled between thebaggage slide 20 and at least one of theaccess stairway 15 and the elevated passenger walkway/bridge 12. Preferably, thesupport member 35 is coupled to the elevated passenger walkway/bridge 12 near thedoor 17, and proximate aleading edge 65 of theauxiliary access stairway 15landing platform 66, and provides a cantilevered structure for receiving thebaggage slide 20 aboutpivotal attachment point 63 as shown in FIGS. 4, 5 and 5 a. A typical connection would be a flanged connection as shown as shown in FIG. 4, at 64. Thepivotal attachment point 63 allows for minor elevational adjustment of the movable passenger walkway/bridge 12. - One end of the
support member 35 is coupled to a mountingbracket 36 located on the underside of the topmodular segment 27 and the other end of thesupport member 35 is coupled to a portion of the structure forming the elevated passenger walkway/bridge 12, generally underneath the frame structure of theauxiliary access stairway 15landing platform 66 or preferably to the elevated passenger walkway/bridge 12 itself so no additional loading stresses are applied to theauxiliary access stairway 15 and itslanding platform 66. Thesupport member 35 in alternate embodiments may be coupled to a different portion of the topmodular segment 27 or one of the intermediate modular segments 29. - The
support member 35 is formed of conventional structural material, such as steel, aluminum, fiber-reinforced polymeric material or combinations thereof, capable of supporting the weight of thebaggage slide 20 and the articles to be passed thereon. Thesupport member 35 and thebaggage slide 20 are preferably coupled together with theelevated walkway 12 by mechanical fasteners. In a preferred embodiment, the mechanical fasteners define a bolted connection. Thus, thebaggage slide 20 can be deployed for use with an elevated walkway/passenger bridge 12 without the necessity to expose the aircraft to welding, brazing or other high temperature procedures. - With reference to FIG. 5, there is illustrated a side elevational view of the
baggage slide 20. The plurality ofmodular segments elevated passenger walkway 12 to the tarmac/ground 11. The elevation required for the baggageslide loading end 24 is determined by the model of aircraft, and more specifically the elevation ‘H’ associated with its entrance. The length ‘L’ of the ramp can be adjusted by changing the number and or length of the intermediate modular segments 29. Selection of the appropriate quantity and length for the intermediate modular segment 29 will enable a constant ratio to be maintained between the elevation ‘H’ and the ramp length ‘L’. This relationship is related through the common trigonometric function of sin θ=H/L. Through the changes to the intermediate modular segments, the ratio can be maintained at a desirable value while maintaining a substantially continuing incline of thebaggage slide 20 as depicted in FIGS. 3, 5, 5 a, 6 and 8. As mentioned above, once the ramp overall length has been determined for a particular use at a terminal gate, the ramp slope may still be affected with slight elevating or lowering of thebridge 12. However, by having thepivotal point 63 located proximate the leading edge oflanding platform 66, theramp 20 typically will be longer than a ramp attached to the stairway riser area and as such, when thebridge 12 is elevated or lowered, the unloading end will roll along thetarmac 11 but the slope change insignificantly impacts the sliding of any articles. - One form of the top
modular segment 27 includes aplatform portion 37 and a connectingportion 38 that are formed at an obtuse angle as depicted in FIG. 5. Theplatform portion 38 has a planarplatform floor member 39 that adjoins the planar connectingfloor member 38. The connectingportion 38 is aligned with the intermediate modular segments 29 and when in position for conveying an article down the passageway is oriented at an acute angle θ to the ground/tannac 11. The acute angle β preferably at least about 17 degrees. Theplatform portion 38 is inclined at an acute angle β. To facilitate the maintenance of a proper slope or to facilitate minor adjustments to the height of the passenger walkway/bridge 12, theattachment point 63 is typically fastened in such a way as to allow some degree of pivoting as discussed above. An inlet 45 (see FIG. 3) allows for the passage of articles to theplatform portion 38 at or above the elevation of thedeck 18 of theaccess stairway 15. The inlet defining a side entrance for moving articles to the conveyance surface. A removable member 19 (see FIG. 3) allows for larger articles to be passed through thesafety railing 46. In one form theremovable member 19 is defined by a chain. - The bottom
modular segment 28 has anoutlet 47 adapted for the removal of articles from thebaggage slide 20. In the preferred form of thebaggage slide 20 theoutlet 47 is on the side of the ramp so as to allow side unloading of articles. The bottommodular segment 28 also includes astop portion 48 that is offset from theoutlet 47 and prevents the conveyance of articles off thedistal end 49 of thebaggage slide 20. In one embodiment thestop portion 48 will give, that is, act as a shock absorber, so as to not impart shock loading to an article coming down theconveyance surface 23. In a preferred form a mesh gate defines thestop portion 48. Several shock absorbing materials are known in the art and suitable for use as a shock absorbing gate such as reinforced rubber sheet material, bungy cords, among other materials. Thebaggage slide 20 includes a set ofground engagement wheels 50 for allowing easy movement along the ground/tarmac 11. With reference to FIG. 5A there is illustrated an alternate embodiment of the baggage slide that is substantially identical and like features will have like feature numbers. The distinction between the embodiment of FIG. 5 and FIG. 5A is that the embodiment of FIG. 5A has a fixed ground engagement device. - With reference to FIG. 6, there is illustrated a partial rear elevation view of the
baggage slide 20. Theloading end 24 being adjacent theplatform 18 of theauxiliary access staircase 15. - The
platform 18 providing a pathway for the movement of the articles by an attendant to thebaggage slide 20. Thesupport member 35 is coupled to thebaggage slide 20 to support at least a portion of the top modular portion to the elevation of theplatform 18.Upstanding wall member 40 wraps around theplatform portion 37. Further, in the preferred embodiment theloading end 24 includingplatform portion 38 has a width greater than the width of the unloadingend 25. With reference to FIG. 7, there is illustrated an exploded view of two modular segments coupled together with fasteners. For illustrative purposes, the bottomsegment supporting structure 60 is shown coupled with an intermediatesegment supporting structure 61. A plurality offasteners 62 join the two supportingstructure segments - With reference to FIGS. 8 and 9, there is illustrated another embodiment of the baggage slide system of the present invention.
Baggage slide 130 is substantially similar to thebaggage slide 20 and like feature numbers will be utilized to describe like features. The primary distinction betweenbaggage slide 20 andbaggage slide 130 relates to anenvironment protection shell 131 covering at least a portion of theconveyance surface 23. Theshell 131 being of a modular design and includes abottom shell 132 and at least oneintermediate shell 133. Thebottom shell 132 having anentrance 134 that corresponds with theoutlet 47 so as to facilitate convenient side access to articles that have been conveyed down thebaggage slide 130. Themodular segments - While the invention has been illustrated and described in detail in the drawings and foregoing description, the same is to be considered as illustrative and not restrictive in character, it being understood that only the preferred embodiment has been shown and described and that all changes and modifications that come within the spirit of the invention are desired to be protected.
Claims (19)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US09/785,111 US6390757B2 (en) | 1998-10-30 | 2001-02-16 | Baggage slide |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18305898A | 1998-10-30 | 1998-10-30 | |
US09/785,111 US6390757B2 (en) | 1998-10-30 | 2001-02-16 | Baggage slide |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US18305898A Continuation-In-Part | 1998-10-30 | 1998-10-30 |
Publications (2)
Publication Number | Publication Date |
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US20010007631A1 true US20010007631A1 (en) | 2001-07-12 |
US6390757B2 US6390757B2 (en) | 2002-05-21 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US09/785,111 Expired - Lifetime US6390757B2 (en) | 1998-10-30 | 2001-02-16 | Baggage slide |
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US (1) | US6390757B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US7168119B1 (en) | 2005-08-11 | 2007-01-30 | Richard L Telford | Aircraft passenger boarding bridge having a chute for transport of baggage between boarding bridge and ground level |
US20070091507A1 (en) * | 2005-10-26 | 2007-04-26 | Seagate Technology Llc | Load/unload ramp |
EP2653388A1 (en) * | 2012-04-17 | 2013-10-23 | Ricardo Hummel | Ladder with vertical elevator for access to aircrafts |
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US6676358B2 (en) * | 2001-10-19 | 2004-01-13 | Dave W. Smith | Compact folding aircraft passenger ramp |
US6676359B2 (en) * | 2002-05-22 | 2004-01-13 | Jeff Ganiere | Lift and baggage ramp |
US6658685B1 (en) | 2002-07-10 | 2003-12-09 | Fredrick Keish | Airport bridge and lift |
US6928684B2 (en) | 2002-07-10 | 2005-08-16 | Jetbridge Technology, Inc. | Airport bridge and lift |
US6772464B2 (en) * | 2002-08-05 | 2004-08-10 | Dew Engineering And Development Limited | Method and apparatus for aligning an aircraft with a passenger loading bridge |
US7046508B2 (en) * | 2003-10-10 | 2006-05-16 | Chih-Hsiung Lin | Palm-size game case |
CA2557420A1 (en) * | 2005-08-26 | 2007-02-26 | Dave W. Smith | Automatic baggage lift leveling and lift system and apparatus for supporting same from a movable structure such as a jet bridge |
US8596947B1 (en) * | 2008-01-22 | 2013-12-03 | Kent J. Stenzel | Airport baggage accumulation rack having rotatable shelves, and method for handling baggage |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7168119B1 (en) | 2005-08-11 | 2007-01-30 | Richard L Telford | Aircraft passenger boarding bridge having a chute for transport of baggage between boarding bridge and ground level |
US20070091507A1 (en) * | 2005-10-26 | 2007-04-26 | Seagate Technology Llc | Load/unload ramp |
EP2653388A1 (en) * | 2012-04-17 | 2013-10-23 | Ricardo Hummel | Ladder with vertical elevator for access to aircrafts |
Also Published As
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US6390757B2 (en) | 2002-05-21 |
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