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Topic: Retractable bridge

In the News (Fri 17 Feb 12)

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	How draw bridge is made - Background, History, Raw materials, Design, The manufacturing process of draw bridge, ...
		Retractable bridges are made so the movable span slides back underneath an adjacent section of the bridge.
		Swing bridges are supported on vertical pivots, and the movable span rotates horizontally to open the bridge.
		For instance, the Baltic Millennium Bridge in Gateshead, England (to be opened to the public in 2001), consists of two parabolic arches connected by a series of parallel cables.
	www.madehow.com /Volume-6/Draw-Bridge.html (1906 words)

	Extensible-retractable pool and billiard cue bridgestick - Patent 4907799 (Site not responding. Last check: 2007-10-26)
		The bridge is rectangular in planform, no higher than the depth of two cue notches and no wider than the depth of one notch plus 102 to 110% of the diameter of the balls being used with the bridgestick.
		The bridge is attached so that its plane is perpendicular to the longitudinal axis of the stick and the end of the stick is positioned at the midpoint of the long dimension of the rectangle and slightly closer to the long edge having two notches than to the edge having three.
		Length L of the bridge is determined by the depths d of the slots in the end and the fact that the distance from the bottom of the slot in either end to the other end is slightly greater than the standardized diameters of the balls being used with the bridgestick.
	www.freepatentsonline.com /4907799.html (2052 words)

	Bridges
		The bridge's leaves are suspended on axles (trunnions), with the counterweights in a riverbank pit.
		At the outbreak of World War II, the new Western Avenue bridge was temporarily converted to a lift bridge, and machinery was installed in other spans on the Sanitary and Ship Canal to allow warships to reach the Gulf of Mexico.
		Vertical lift bridges, with towers at each end to raise a center span, are found on three Calumet River railroad crossings, on Torrence Avenue, and at Amtrak's Union Station approach near 18th and Canal.
	www.encyclopedia.chicagohistory.org /pages/166.html (615 words)

	Retractable bridge extension system - Patent 6757926 (Site not responding. Last check: 2007-10-26)
		A bridge extension bumper (32) is mechanically coupled to the bridge extension (30) and dampens contact between the bridge extension (30) and the vehicle (14).
		The bridge extension 30 is formed such that along a lower contour 50, of the lower surface 46, the bridge extension 30 maintains at least a predetermined distance from the strake 28 when mated to the aircraft 14, to prevent interference with the strake 28.
		For example, the extension bumpers 32 may be coupled to the bridge extension 30 on a vehicle side 56 of the bridge extension 30 to provide dampening when mating the bridge extension 30 to the aircraft 14, between the bridge extension 30 and the fuselage 20.
	www.freepatentsonline.com /6757926.html (3058 words)

	Wheeled vehicle car loading and unloading system and method therefor - Patent 4190393 (Site not responding. Last check: 2007-10-26)
		Then the bridge is retracted, the tractor hitches onto one of the trailers, and pulls it along the joined beds of the flatcars and down the end ramp.
		As in the usual "circus" technique, bridge plates 24 have been lowered to form two tracks bridging the ends of adjacent flatcars so as to form a roadway along the joined beds of the flatcars, and a ramp 26 is located at the end of the train.
		Control levers 90 are provided to control the retraction and extension of the telescoping members to form the movable roadway 38, and to move the unit 28 to a new desired position.
	www.freepatentsonline.com /4190393.html (4634 words)

	Suspension Bridges
		To cross the bridge correctly the person should lie face down on top of the rope, hook one ankle onto the rope and leave the other leg hanging straight down to lower the center of gravity for balance.
		Two longer pickets are driven in either side of the spars at each end of the suspension bridge to prevent the spars rolling sideways and to support the handrails.
		Alternatively, the foot bridge can comprise of three spars (for additional width) resting on three pickets and in either case the foot bridge spars can be lashed together for rigidity.
	www.machovec.com /rope/bridges.htm (1092 words)

	Curbed: New Queens Waterfront Park...On Newtown Creek
		Also the retractable bridge idea you mention seems like a neat idea (that was the original site of the crossing of Newtown Creek until the built the Pulaski), but it's very expensive, since Newtown Creek has a not-insignificant amount of barge traffic.
		The Penny Bridge was further down the Creek, not at Manhattan/Vernon.
		It wasn't called the Penny Bridge, but there was a bridge connecting Queens and Brooklyn at the end of Manhattan Ave in the early part of the century.
	www.curbed.com /archives/2006/07/25/new_queens_waterfront_parkon_newtown_creek.php (550 words)

	Inventor touts bridge barrier
		Bridge directors have long claimed, a barrier must be Movable so that four traffic lanes can be maintained in either direction during heavy commutes.
		Bridge directors have long held that such a barrier is unworkable because its two-foot thickness would take up too much space on a span where traffic lanes already are unusually narrow.
		Brown, the one Bridge Board member who attended yesterday’s unveiling, said Guernsey’s system causes him to believe that the Bridge Board should reconsider its stance that a barrier to prevent head-on crashes is unworkable.
	members.tripod.com /cfasggb/inventor_touts__bridge_barrier_.htm (734 words)

	USS Batfish (SS 310) Virtual Tour - Exterior (Bridge)
		On the forward part of the bridge was one of the two TBT and the hatch to the conning tower.
		There were two TBTs, one on the bridge and one mounted on a stand by the 40mm gun on the after gun deck.
		They could be placed either forward of the bridge or aft of the bridge, usually it was the commanding officers choice as to where to mount it.
	www.ussbatfish.com /tour-e-bridge.html (697 words)

	Robert Guernsey - A Dream in the Making
		The bridge is a six-lane structure that connects an eight-lane divided freeway from the north to the city of San Francisco via Doyle Drive to the south.
		The bridge lanes are divided with a reversible lane system consisting of a plastic cone, set into a small hole every twenty-five feet in the road surface, providing four traffic lanes in one direction and is moved periodically to accommodate traffic flow during non-peck hours in other directions.
		In addition, the retractable barriers lateral face will have a broken horizontal yellow and white strips/reflectorized, indicating direction of travel and will aid the driver of the vehicle, a visual sight line during early sunrise and sunset hours and late at night or in the fog.
	web.newsguy.com /archiver/guernsey/rds.htm (1086 words)

	To Get to the Other Side -- Friday, Aug. 28, 1964 -- Page 4 -- TIME
		By necessity, since nearly all of their big bridges were destroyed in World War II, some of the busiest users of the new technology are the Germans.
		Not on an orthotropic bridge, which has instead of a concrete slab a half-as-heavy steel deck serving both as roadway and stress-carrying component of the bridge spans.
		Bridge building is almost as frenzied in other parts of the world.
	www.time.com /time/magazine/article/0,9171,876121-4,00.html (769 words)

	Comments on 11995 \| MetaFilter
		Leonardo also invented a type of pontoon bridge and a rotating bridge, not to mention the retractable bridge, the canal bridge or the split-level bridge for seperating pedestrians and traffic.
		The BBC has a photograph of the bridge and its first pedestrians.
		It is a bridge, so long as there are less than fifty people on it ant any one time.
	www.metafilter.com /mefi/11995 (516 words)

	Marinas.com \| Turner Cut Bascule Bridge - California, United States
		The Turner Cut Bridge is unusual in that instead of the bridge leafs opening up toward the sky, or a lift pulling the bridge section upward, the opening portion of this bridge merely “slides back,” hence its unusually nomenclature as a retractable bridge.
		The Turner Cut Retractable Bridge is located 10 miles west of Stockton on Turner Cut, a tributary that breaks off the San Joaquin River between McDonald and Roberts islands.
		North of the bridge, water depths in the cut range from eight to 17 feet, with the shallower depths occurring close to the marinas.
	www.marinas.com /view/bridge/114 (259 words)

	The Helix Bridge
		The Helix Bridge at the Paddington Basin development adjacent to Paddington Station is a retractable, composite glass and steel pedestrian bridge.
		As part of a masterplan to restore links within the local community, a network of new footpaths; a towpath along the canal to Little Venice; and several pedestrian bridges, such as this Helix Bridge, by Marcus Taylor, and the Rolling Bridge, by Thomas Heatherwick were designed and installed on behalf of Paddington Development Corporation.
		Enclosed in steel and glass, the bridges are of cellular box-beam construction.
	www.lusas.com /case/bridge/helix_bridge.html (637 words)

	New York Car Rentals and NYC Bridges
		Wing Bridges are supported on a center pier in the middle of a waterway.
		Retractable Bridges: there are only a few remaining Retractable Bridges in NYC including the Brooklyn Bridge.
		This bridge is the longest of the three spanning the East River, replacing the Brooklyn Bridge as the longest suspension bridge in the world in 1903.
	www.aamcar.com /nyc-bridges.php (632 words)

	Carroll St Bridge
		A retractile bridge slides along a track to allow the bridge to move and ships to pass.
		The bridge slides open to a perpendicular angle in the middle of the Gowanus Canal until shipping has passed and it slides back again to close.
		Judging from the traffic I saw on the bridge the day these pictures were taken, I doubt that regulation has been enforced for quite some time.
	www.forgotten-ny.com /STREET%20SCENES/Carroll%20St%20Bridge/carroll.html (188 words)

	Hawaii Highways - Road Photos - Other Oahu South
		Until the bridge opened on April 15, 1998, Ford Island -- which has battleship and other large-ship docks, a small airfield, and officer housing including the home of the Commander in Chief for the Pacific Fleet -- was accessible from the rest of the base only by boat.
		The retractable pontoon allows the largest, tallest, and widest (navigation channel is 650 feet wide, world's largest for an openable span) warships to navigate freely around Pearl Harbor as needed.
		Because the bridge is entirely within the naval base, it is not part of the state highway system, and is closed to most civilians.
	www.hawaiihighways.com /photos-Oahu4.htm (1201 words)

	SDC: Southern Cross - Glorie Mecha - Deep-Space Exploration Ship (Site not responding. Last check: 2007-10-26)
		The bridge of the Exploration Ship is located in a command tower behind the main weaponry and has at least seven positions.
		One is mounted on the top of the forward hull in front of the retractable main beam weapons but behind the nose section.
		Then, there are a pair of turrets located to either side of the bridge tower on the sides of the main hull.
	www.artemisgames.com /robotech/Research/SCross/GlorieMecha/ExplorationShip.html (477 words)

	Irondequoit Bay
		Recently, a retractable bridge was put in place at the outlet.
		The bridge (and hence higher traffic volumes) is in place from Nov 1 to Apr 1.
		It is possible to view this mudflat and the bay from this park, or one of the bridges without trudging on private property without permission.
	home.eznet.net /~kfox/wny/sites/irondbay.htm (1410 words)

	USB Cable, Network Bridge Cable, Net-Linq (Site not responding. Last check: 2007-10-26)
		USB Network Bridge cable provides a quick and easy way to peer-to-peer network two or more computers without adding network interface cards.
		Kit, Retractable, Phone Charger, Motorola 2 (USB Cable, Motorola 2 Adapter, AC & DC Adapters), 30'.
		Retractable Cable, USB A-A, M-F, Extension, 2.5', Zip-Linq (Cablesun)
	www.worldofcables.com /oscatalog/CablesProduct/USB-1450-06.htm (960 words)

	V I P E R L A I R .com - Ultra Retractable Cables
		You can easily see the retractable cables in the package as well as a sticker for a free cable.
		Performance wise the cables were also right on with their standard counterparts, so not to worry in that aspect.
		The Ultra Retractable cables were not without their downfalls though.
	www.viperlair.com /reviews/misc/other/retcables (986 words)

	Swimming Pool Enclosures, Spa & Hot Tub Enclosures & Retractable Roofing for Residential and Commercial ...
		Libart’s Retractable Systems (Enclosures and Roofing) give you the freedom to transform your swimming pool or patio into secure, protected indoor environments within minutes with unparalleled versatility.
		Freestanding Retractable Pool Enclosures (buildings) provide the strength, durability and protection of a traditional pool building, with the added convenience of allowing you, within minutes, to easily and safely retract it open.
		SolaGlide™ Retractable Roofing Systems gives you all the benefits of an open air patio with the security and comfort of a conservatory (sunroom), at the touch of a button.
	www.libart.com (300 words)

	The Gadgeteer - The Bridge Review
		The Bridge is a small extender that connects with any existing PalmPilot or Palm III cradle.
		A great side effect of The Bridge is that it will let you sync a PalmPilot in a Palm III cradle.
		Using The Bridge is much quicker than taking the PDA out of the case or using a cable.
	www.the-gadgeteer.com /bridge-review.html (549 words)

	Tower Bridge- London, United Kingdom - VirtualTourist.com
		Tower Bridge is what is known as a bascule bridge which can raise the bridge sections or arms to allow large masted boats travel underneath.
		It is also famous for being a bascule bridge, where the 2 bascules or leaves between the 2 towers can be raised to an angle of 83 degrees to allow river traffic to pass.
		The only other bridges across the Thames at the time was the famous London Bridge and a few bridges on the west of the bridge.
	www.virtualtourist.com /travel/Europe/United_Kingdom/England/Greater_London/London-309228/Things_To_Do-London-Tower_Bridge-BR-26.html (877 words)

	The Gadgeteer - Bridge V-Clip Review
		Palm V/Vx The Bridge V-Clip is a new version of the popular Palm V Bridge accessory from Midwest PCB Designs.
		The connector that is used for the Bridge V-Clip is the same connector that is used on the Palm V/Vx hotsync cable.
		I think that the Bridge V-Clip is a good alternative to the PalmDock which is another adapter that allows you to use older PalmPilot accessories with the Palm V/Vx.
	www.the-gadgeteer.com /bridgev-clip-review.html (566 words)

	Ratchet & Clank - Find The New Shuttle Ship - Playstation Notebook Walkthrough
		In the movie action sequence, a plane bombs out sections of the bridge, and 3 robot guards land on the bridge to confront Rachet.
		No problem crossing the bridge once they are taken care of, but don't stand around.
		Last but not least, after you finish with the Professor, his ship activates a new retractable bridge across the river valley close to where the hover pad is. Clean up all the crates and bolts by the Professor's spaceship, then walk across the bridge to the hover pad.
	www.playstationnotebook.com /RC/novalis1.html (601 words)

	Selected Bridge Engineering Projects
		Stability analysis of a road bridge to demonstrate adequacy, which could not be shown with traditional methods.
		Ultimate capacity assessment of bearings for Avonmouth bridge, including thermal softening effects due to in-situ welding operations.
		Buckling analysis of 19th century bridge beams to demonstrate capacity for 44T vehicle loads.
	www.lusas.com /consultancy/bridge_projects.html (238 words)

	Amazon.com: Linksys WMB54G Wireless-G Music Bridge: Electronics (Site not responding. Last check: 2007-10-26)
		The Wireless-G Music Bridge supports 128-bit WEP encryption to ensure a secure connection and is compatible with wireless 802.11b and 802.11g standards.
		Using a wireless connection, the Music Bridge finally frees your digital music collection from those little computer speakers to play in full glory through your stereo or surround sound system.The Wireless-G Music Bridge sits by your home stereo and connects to it using standard consumer electronics cables.
		When you want to listen to music through the music bridge, all you need to do is to switch the sound output from PC Speaker to the Wireless Music Bridge.
	www.amazon.com /Linksys-WMB54G-Wireless-G-Music-Bridge/dp/B000E5E6KG (1972 words)

	[No title]
		More comfortable with infantry tactics, they included a novel device known as the corvus, or “raven.” Located at the bow, the corvus was an iron hook attached to a retractable bridge attached to a pole-and-pulley system.
		Upon ramming their opponent, the bridge was dropped, and the corvus imbedded itself into the deck of the opposing ship.
		As a result, the now-locked ships allowed the Roman soldiers stationed on the quinquereme to board the other ship and fight as if the battle were on land.
	www.cngcoins.com /Coin.aspx?CoinID=91119 (1505 words)

	The Bridge Shop - Bridge Books and Equipment, Finesse Bridge Books
		Interactive bridge program aimed at those who know how to play bridge but are looking to improve their bridge technique
		Ron Klinger is recognised as one of the foremost bridge teachers and is a leading international player.
		He is the author of more than fifty acclaimed bridge books that are on sale throughout the world.
	www.bcmchess.co.uk /bridgeshop (2990 words)

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