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	Adjustable upright tube of a bicycle handlebar - Patent 5509328
		The handlebar upright tube and the head tube are joined together adjustably such that the shaft of the adjusting member is received in the fitting holes of the two lugs of the head tube and in the axial hole of the braking member of the adjusting device.
		The foregoing objective of the present invention is attained by a bicycle handlebar upright tube assembly, which comprises a head tube, a handlebar upright tube, and an adjusting device.
		The handlebar upright tube is provided at one end thereof with a fastening tube for fastening the bicycle handlebar and at another end thereof with a pivoting portion which has a fitting hole.
	www.freepatentsonline.com /5509328.html (2013 words)

	Upright bicycle - Biocrawler (Site not responding. Last check: 2007-10-27)
		An upright bicycle is a bicycle on which the rider sits astride the saddle and stands on the pedals; this is the type most commonly seen.
		Contrasting with it is the recumbent bicycle, on which the rider reclines or lies supine.
		Only upright bicycles are allowed to compete in events governed by the Union Cycliste Internationale.
	www.biocrawler.com /encyclopedia/Upright_bicycle (143 words)

	Spartanburg SC \| GoUpstate.com \| Spartanburg Herald-Journal
		A recumbent bicycle is a bicycle which places the rider in a seated or supine position (rarely, in a prone position).
		Recumbent bicycles may be classified according to their wheelbase: long wheelbase (LWB) models have the pedals located between the front and rear wheels; short wheelbase (SWB) models have the pedals in front of the front wheel; compact long wheelbase (CLWB) models have the pedals either very close to the front wheel or above it.
		Just as with upright bicycles, recumbents are built and marketed with more than one seat, thus combining all the advantages of recumbents with those of tandem bicycles.
	www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=recumbent_bicycle (3662 words)

	Recumbent bicycle - Wikipedia Light! (Site not responding. Last check: 2007-10-27)
		A recumbent bicycle is a variety of bicycle which places the rider in a seated or supine position (rarely, in a prone position).
		Recumbent bicycles may be classified according to their wheelbase: long wheelbase (LWB) models have the pedals located between the front and rear wheel; short wheelbase (SWB) models have the pedals in front of the front wheel; compact long wheelbase (CLWB) models have the pedals either very close to the front wheel or above it.
		On the flat, recumbent bicycles are generally faster than upright bicycles for the same level of effort because the aerodynamic profile of the rider reduces wind resistance - wind resistance rises with speed squared and at a typical brisk riding pace of 20 mph (32 km/h), over 80% of rider effort is overcoming air resistance.
	godseye.com /wiki/index.php?title=Recumbent_bicycle (3705 words)

	Spartanburg SC \| GoUpstate.com \| Spartanburg Herald-Journal (Site not responding. Last check: 2007-10-27)
		The most popular form of the upright bicycle frame, consisting of two triangles, is know as a diamond frame.
		An alternative to the upright bicycle is the recumbent bicycle, on which the rider reclines on a seat or lies supine.
		Some recumbent riders refer to the upright bicycle as the upwrong, in a midly disparaging assertion of supremacy of the recumbent style.
	www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=upright_bicycle (245 words)

	U.S. Patent: 5730345 - Bicycle rack - March 24, 1998
		The uprights, channel and section are moveable relative to the base between an upright bicycle transport position and a lowered access position.
		The entire weight of the mounted bicycles and a considerable portion of the weight of the carrier had to be resisted by an operator as the bikes were lowered.
		On return of the bikes and the carrier to a carrier upright position, it was necessary for the operator to lift the bicycles and a considerable portion of the carrier weight to urge the parallelogram movement back to an upright position.
	www.everypatent.com /comp/pat5730345.html (2863 words)

	Folding bicycles brought on public transportation vehicles
		Bicycles that will be brought on public transportation in crowded conditions should be judged on several criteria that will determine whether the evaluated bicycles will unreasonably affect the operation of the transport vehicle or the safety and comfort of the passengers on the vehicle when the bicycle is in its transportable configuration.
		The folded size of a folding bicycle is dependent on two characteristics: the size of the bicycle's tires, and the bicycle's frame configuration.
		Folding bicycles whose drive trains use oil lubrication, and that, when folded, expose the chain on the outside of the folded package should be placed in a bag that completely encloses any lubricated part before the bicycle is brought aboard the transportation vehicle.
	tomrevay.tripod.com /FoldingBikeRecommendations.htm (1783 words)

	Bottom Bracket on an Upright Bicycle
		The modern derailleur bicycle is the most efficient transportation machine ever devised, In terms of energy input, for miles traveled, it is in a class by itself.
		Bicycles are poorly designed when it comes to comfort.
		This causes a bicycle to be very unwieldy and hard to handle, especially at slow speeds.
	traylorfwd.home.mindspring.com /why.html (507 words)

	Sheldon Brown's Bicycle Glossary U--V
		Upright handlebars are used on most of the world's bicycles.
		Upright handlebars are sometimes referred to as "mountain bike " handlebars, but that's sloppy usage, because upright handlebars are used on most bikes designed for street use.
		Upright bicycles are conventional bicycles, providing an upright riding position, as opposed to recumbents.
	www.sheldonbrown.com /gloss_u-v.html (1338 words)

	Bicycle Weight
		Although some recumbent bicycles are as light as the lightest upright bicycles, most recumbent bicycles are slightly heavier than comparable uprights because of the extra parts required to create a comfortable and aerodynamically efficient seating position.
		While adding weight to a bicycle makes little difference to its performance on flat ground at steady speed, weight will make a difference when a bicycle is accelerating or decelerating and when it is going uphill or downhill.
		Differences in the weights of bicycles might make a difference to a professional cyclist on an upright bicycle competing in the Tour de France because he is riding an upright bicycle and because success is being measured in seconds.
	www.talu.com /weight.php (468 words)

	Recumbent bicycle at AllExperts
		Recumbent bicycles may be classified according to their wheelbase: long wheelbase (LWB) models have the pedals located between the front and rear wheels; short wheelbase (SWB) models have the pedals in front of the front wheel; compact long wheelbase (CLWB) models have the pedals either very close to the front wheel or above it.
		The recumbent bicycle's low center-of-gravity and low distance from the ground significantly reduce the danger of falling off (when compared with an upright bicycle), and the reclined position of the rider removes the risk of being flung over the handlebars during emergency braking.
		On the flat, recumbent bicycles are generally faster than upright bicycles for the same level of effort because the aerodynamic profile of the rider reduces wind resistance.
	en.allexperts.com /e/r/re/recumbent_bicycle.htm (1740 words)

	ipedia.com: Recumbent bicycle Article (Site not responding. Last check: 2007-10-27)
		A recumbent bicycle is a variety of bicycle which places the rider in a seated or supine position (rarely, in a prone position).
		On the flat, recumbent bicycles are substantially faster than upright bicycles for the same level of effort because the low profile of the rider reduces wind resistance.
		For comparison, the equivalent record for an upright bicycle is 49.441 km (30.723 miles), set by Chris Boardman in October 2000.
	www.ipedia.com /recumbent_bicycle.html (552 words)

	Recumbent vs. Upright Bicycle Design
		With the mountain bike gaining ground in the past decade, it shows that there is room for new ideas to be placed on the public.
		Given the fact that the first mountain bikes where made by a small numbers of bike builders using a combination old 1940ish bike frames and road bike gear shifters and the manucturers bought into this design, it helped the bicycle industry.
		Given the large growth within the recumbent market by the small independent companies and the growing number of recumbent home builders, it shows that people are now seeing it as a viable alterative.
	www.xcelco.on.ca /~stevbike/bikereprt.htm (3141 words)

	Tandem Design
		The bicycle is the perfect transducer to match man's metabolic energy to the impedance of locomotion.
		Bicycles are subject to such complex and variable forces that the bicycle can really only be designed through trial and error and not just by computer modeling.
		The upright tandem bicycle has enjoyed a long and somewhat slow developmental history to the point where the upright tandem frame has been essentially perfected by several dedicated tandem manufacturers that specialize in tandems.
	www.talu.com /introduction.php (425 words)

	An Introduction to Bicycle Geometry and Handling. (Site not responding. Last check: 2007-10-27)
		When the bicycle starts to lean, the handlebars are turned in the direction of the lean, and the bicycle is pulled in that direction as well.
		A bicycle is said to be stable when it has a strong correcting tendency in its steering.
		As the bicycle turns, the steering axis is pulled to the side, and the rest of the frame will twist on the rear wheel's contact patch.
	www.dclxvi.org /chunk/tech/trail (1917 words)

	Two Wheel Drive, Albuquerque New Mexico's Bicycle Specialists. Located in the University(UNM) area, Albuquerque NM. We ...
		This was so because when the engineers went to work, it was the recumbent design, which is 25 to 33% more aerodynamically efficient than a conventional upright bicycle, that satisfied their equations for a two wheeler that could produce such speed.
		Soon, in 1986, a recumbent bicycle ridden by Fast Freddy Markham captured the Dupont prize and it was his victory that gave a shot of adrenaline to the fledgling industry that Ryan had helped to revitalize.
		With the recumbent, people are discovering that their bicycle does not have to cause them pain.
	www.swcp.com /bicycles/twowheeldrive.com/whyRecumbents.htm (605 words)

	CHP -- Bicycle Riding
		Handlebars must be positioned so the bicycle operator's hands are not elevated above the level of his or her shoulders when grasping the normal steering grip area.
		During darkness, every bicycle operated on a public street must be equipped with a headlamp that can be seen for over 300 feet to the front and sides of the bicycle.
		During darkness, every bicycle operated on a public street must have reflectors on each side; white or yellow forward of center and white or red rear of center, unless the bicycle is equipped with reflectorized tires.
	www.chp.ca.gov /html/bicycleriding.html (1091 words)

	Bicycle frame Information
		A bicycle frame is the main component of a bicycle, onto which wheels and other components are fitted.
		The modern and most common frame design for an upright bicycle is based on the safety bicycle, and is made of two triangles, a main triangle and a paired rear triangle.
		Unless care is taken during assembly of the bicycle, there is likely to be Galvanic corrosion at points where steel or aluminum components attach to the frame.
	www.bookrags.com /wiki/Bicycle_frame (3192 words)

	'Bent or Upright? (Site not responding. Last check: 2007-10-27)
		Bicycling, which I'd done all my life, seemed like a logical choice but as I looked at it from this new standpoint I didn't see that many older people on bikes.
		The engineers backed up this contention when their equations showed that it was the recumbent design, which is 25 to 33% more aerodynamically efficient than a conventional upright bicycle, that could produce the speed they would need to win this award.
		When you are not moving about with your arms poised for attack in the fighting position of the upright it is as if you are saying all is well, the world is a safe place for me to be.
	www.bikeroute.com /WhyBentLong.html (2968 words)

	[No title]
		The gimbal frame of the gyro is attached to the bicycle frame so that when the bicycle is upright, the line connecting the earth contact points is perpendicular to both the gimbal axis and the gyro spin axis.
		Bicycle / Gyro Dynamics As previously described, the system uses a dc motor to torque the spinning gyro about a gimbal axis, thus producing a precession torque on the bicycle frame.
		The bicycle system is able to stabilize itself for brief periods of time, but the motion has oscillations that are slightly larger than those predicted by the simulations.
	www.eng.auburn.edu /~hungjoh/bicycle_paper.doc (3950 words)

	Bicycle Touring 101: Types of bikes used for touring
		Upright or diamond frame bicycles are the traditional type of bike that most people instantly think of when they hear the word bicycle.
		You are on a bicycle tour after all and possibly you are hoping to see more then just the pavement in front of your face.
		Be aware that unlike upright bikes there are a huge number of recumbent designs and change is constant for this type of bike.
	www.bicycletouring101.com /TypesOfBikes.htm (1879 words)

	PEDAL - Article - Recumbent Bicycles
		Unlike an upright bicycle, a recumbent bicycle exercises only those parts of your body that a bicycle should exercise: the legs and cardiovascular system.
		In general, a recumbent bicycle will be faster than a comparable upright bicycle on the flats and when descending hills -- especially when fighting headwinds -- and slower when climbing hills.
		In general, your ability to climb hills on a recumbent bicycle will be similar to when you ride an upright bicycle of similar weight and remaining seated.
	users.frii.com /pedal/fc-1.htm (1209 words)

	Marco Polo Cycling Team, Trips, Ireland Cycling Tour, Italy Cycling Tour, Tour De France
		The first time parents let go of the bicycle and children find themselves cruising along on their very own is a very proud moment.
		Bicyclers often suit up in cycling gear and head out on the trails for a few hours, but riders also book entire cycling trips to dedicate a few days to the sport.
		There has long been a debate among bike enthusiasts about whether a recumbent bicycle or an upright bicycle was the better option for a healthy, active rider.
	www.marcopolocycling.com (521 words)

	Stamina Pro 15-5300 Silent Magnetic Resistance Upright Bike
		But Stamina's Magnetic Resistance Upright Bike lets you work all the major muscles in your hips, thighs, and buttocks while you get a great cardiovascular workout all without facing the busy roads.
		Get fit in your own home with the Stamina Pro 15-5300 upright exercise bike, perfect for improving your cardiovascular health, strengthening your legs, and training for cyclists during inclement weather.
		They offer the same aerobic benefits of riding a bicycle at any time, in any weather, without leaving the comfort and safety of home.
	www.top-exercisebikes.com /product/stamina_pro_155300_silent_mag--B000E73MZY.php (1079 words)

	Learn How to Ride a Bicycle at Lose The Training Wheels.org
		In this section on "Bicycle Science," we will be working towards one common point -- that the bike and rider together function as a "system." In essence, all the parts of the system are players in a sense, and they are team players.
		Unless you are going for a specific result, our suggestion is that you start with "Intro" (introduction), and then move on down the line of sub-heading tabs from left to right.
		The focus on this "Bicycle Science" section will be to present the two decades of bicycle related research (1983 to present) performed by Dr. Richard Klein at the University of Illinois in Urbana-Champaign.
	www.losethetrainingwheels.org /default.aspx?Lev=1&ID=20 (423 words)

	Bad Mechanics: Bicycles balance because their wheels act like gyroscopes
		The reality is that bicycles stay upright when they are steered to keep the wheels under the center of gravity.
		The factor that has a lot more to do with how easy or hard a bicycle will be to ride is called ‘trail’ the distance by which the front wheel ground contact point trails behind where a line through the steering axis intersects the ground.
		A bicycle stays upright in the same way that you can balance a stick upright on the palm of your hand: by moving your hand in the direction that the stick starts to lean.
	www.people.cornell.edu /pages/aed29/Bad_Mechanics.htm (1353 words)

	Upright Bicycle Impotence (Site not responding. Last check: 2007-10-27)
		Goldstein treats six men a week on average, whom, he says, have become impotent from riding a bicycle.
		Overall, this urologist estimates there are about 100,000 men who have lost the ability to get or maintain satisfactory erections because of penile damage inflicted by either the bike's top tube or its saddle.
		One was Ed Pavelka of Bicycling magazine, who recounted in a recent article that years of marathon riding had left him "as soft as overcooked rigatoni" Several companies sell padded, oversized saddles intended to reduce the pressure of the perineum, but Goldstein advises men to stop riding altogether until a seat is proven safe.
	www.bikeroute.com /Recumbents/Bent-Impotence.html (250 words)

	Serotta Competition Bicycle Forums - The Physics of countersteering
		The motorcycles that have to stay fairly upright are cruisers and choppers.
		Motorcyclists keep their bikes as upright as possible to accomodate the flat-profile tires and avoid scraping pegs or pipes.
		The balanced ladder and broomstick, as well as the steering bicycle can be characterized as ‘inverse-response’ systems; to effect a direction change, they need to go the opposite way first.
	www.serotta.com /forum/printthread.php?t=9330 (1710 words)

	Science of bike riding. Skip training wheels. Ride bike now. Awards. Denver NBC CBS news clips.
		But, the key to understanding bicycle balancing is a little reverse thinking, which is what triggered the development of the Pedal Magic process.
		Many others had tried to explain bicycle balancing in terms of gyroscopic forces, shifting center of gravity, angular momentum of the wheels, etc. Such references and their weaknesses can easily be found on the Web.
		Joules formulated his simple but powerful explanation of bicycle balancing in July 1984 while working out an easy way to teach his daughters to ride but he ended up teaching his wife to ride as well, all in a span of about 15 minutes.
	www.pedalmagic.com /Physics.htm (1355 words)

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