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Topic: Universal joint


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  Reference.com/Encyclopedia/Universal joint
The concept of the universal joint is based on the design of gimbals, which have been in use since antiquity.
One anticipation of the universal joint was its use by the Ancient Greeks on ballistae.
A new design of constant velocity joint, the Thompson coupling, is a development of two universal joints assembled coaxially.
www.reference.com /browse/wiki/Universal_joint   (532 words)

  
 Venting arrangement for stroking universal joint - Patent 4224808
A venting arrangement for a stroking universal joint comprises a split vent sleeve seated in a closed position in a shallow annular groove of the drive shaft and maintained therein by a clamped neck portion of a flexible elastomeric boot.
As customary for automotive applications, the universal joint 10 is sealed by a flexible elastomeric boot 21 secured to the outer drive member 20 and the drive shaft 12 and the interior space of the sealed universal joint is partially filled with grease or other suitable lubricant.
Lubricant in the universal joint interior in the vicinity of the neck portion 36 propagates outwardly under the influence of centrifugal force.
www.freepatentsonline.com /4224808.html   (2134 words)

  
 Yoke for universal joint and manufacturing method therefor - Patent 5018899
A yoke for universal joint according to claim 1, wherein said flanges are made thicker by folding, by 180.degree., respective parts of the metal plate.
The present invention relates to a yoke for a universal joint adapted for use for example in the steering device of an automobile for transmitting the movement of the steering column to the steering gear, and a manufacturing method therefor.
The joint is assembled by fitting the other end of said coupling tube into the hole of said coupling arm and combining the other end of said coupling tube with the base portion of said coupling arm by welding, fitting by serration or fitting of different-shaped cross sections.
www.freepatentsonline.com /5018899.html   (1739 words)

  
  PT&P/U.S. Bellows: Expansion Joint Catalog: Glossary
Devices, usually in the form of rods or bars, attached to the expansion joint assembly whose primary function is to distribute movement between the two bellows of a universal expansion joint.
A special form of control rod attached to the expansion joint assembly whose primary function is to positively distribute the movement equally between the two bellows of the universal joint throughout its full range of movement.
Universal expansion joints are usually furnished with control rods to distribute the movement between the two bellows of the expansion joint and stabilize the common connector.
www.pipingtech.com /products/expjtcat/expansion_joint-glossary.htm   (1399 words)

  
 FTS Reference-English
This problem with this joint was that there were only four balls transmitting the torque through their line of contact and the balls skidded rather than rolled in the grooves with the result that wear rates, heat and friction were high however, this joint also gained widespread usage in light vehicles and applications.
s joint had an outer ring and an inner ring with grooves cut in each and six steel balls rather than four, it was noisy and tended to seize up however it was improved with advances in lubrication and also with changes to the angles of the grooves.
Like the Bendix-Weiss joint the balls in the Rzeppa joint skid in the grooves when the joint is operated at an angle and even with modern lubricants the wear rate and friction is high, such that the life of these joints is reckoned in minutes when used at any appreciable angle and torque setting.
www.monasfts.com /e_refer_01.htm   (1036 words)

  
 Universal joint assembly patent invention
1A and 1B, a bipod universal joint assembly constructed according to the principles of the present invention is generally indicated by reference numeral 10.
The bipod universal joint 12 in conjunction with the bipod housing 14 allow torque to be transmitted through the universal joint 12 at an angle and on to a driveshaft (not shown) of the motor vehicle (not shown).
The tunable isolator 16 allows the bipod universal joint 12 and bipod housing 14 to move relative to the housing 18 by compression and elastic deformation of the tunable isolator 16.
www.freshpatents.com /Universal-joint-assembly-dt20051229ptan20050288106.php   (1899 words)

  
 Spicer Universal Joint
In linguistics, a universal is a statement whichapplies to all languages.
Universal is a song from the album Gilbert Hotel by Paul Gilbert, of heavy metal band Racer X and hard rock band Mr.
Diarthroses (sometimes called synovial joints) are the the most common and most moveable type of joint in the body.
www.altvetmed.com /face/47171-spicer-universal-joint.html   (853 words)

  
 Universal Expansion Joints/Compensator
The universal expansion joint consists of two bellows separated by a pipe section or spool.
Since deflections are usually the result of piping thermal expansion, and universal expansion joints are usually long, our units are designed so that the thermal expansion of the entire unit's length is accepted as compression by the two bellows elements.
Many times the universal expansion joints will be attached directly to pipe elbows as shown on page 12.
www.usbellows.com /products/universal_joint.htm   (479 words)

  
 P1 Hook’s joint/universal joint)
Robert Hooke (1635-1703) was the first to put the universal joint to work.
Ashworth in [1] says: "The first such universal joint was fitted to a carriage belonging to the Holy Roman Emperor Charles V in 1548.
Before the universal joint there were troublesome chain and sprockets or chain and geared adaptations used in vehicles.
kmoddl.library.cornell.edu /tutorials/09   (496 words)

  
 Federal-State Joint Board on Universal Service
The Federal-State Joint Board on Universal Service was established in March 1996, to make recommendations to implement the universal service provisions of the Act.
To assist the Joint Board in accomplishing this goal, we seek comment on several proposals that have been placed in the record since the close of the last comment cycle, as well as other possible reforms.
Joint Board issued its recommendation regarding the definition of services that should be supported by federal universal service.
www.fcc.gov /wcb/tapd/universal_service/JointBoard/welcome.html   (1349 words)

  
 www.nanoengineer-1.com - NanoEngineer-1 Gallery: Universal Joint
A universal joint is a joint in a rigid rod that allows the rod to 'bend' in any direction.
Universal joints are common wherever a driveshaft needs to turn a corner; a driveshaft with a universal joint can freely rotate through the universal joint, and no gears are required to couple the two ends.
The most obvious example of this application of a universal joint is in the driveshafts of automobiles, a technology known as the Hotchkiss drive.
www.nanoengineer-1.com /mambo/index.php?option=com_content&task=view&id=115&Itemid=69   (521 words)

  
 Information about Universal Joints
Universal joints, or u-joints are flexible mechanical connectors used to transmit rotary motion from one shaft to another shaft that is not in line with the first, or when alignment varies during service.
Universal joints vary based on their material composition, hub type and the applications for which they are designed.
Plastics and thermoplastics are often used in constructing universal joints, as this lends greater rust and corrosion resistance, as well as electrical and magnetic insulation in applications where this is required.
productsearch.machinedesign.com /research/Mechanical_Components/Couplings_Collars_Universal_Joints/Universal_Joints   (372 words)

  
 Lovejoy, Inc. - Universal Joints   (Site not responding. Last check: )
D type Universal Joints are available in stainless steel when contact with a corrosive atmosphere or sanitation requirements are a factor.
Designed with two Lovejoy standard D type Universal Joints and a center connecting shaft, the DD and DDX are tailored to your specific application requirements.
Wear areas of the Universal Joint are protected from dirt and contaminants, while lubrication is retained.
www.lovejoy-inc.com /universaljoints.htm   (267 words)

  
 Universal Joint meetsexceeds MIL-J-6193 specification., Belden, Inc.
These universal joints are specifically designed and precisely manufactured for a variety of applications including high lift actuation and control mechanisms for aircraft where low deflection rates, high strength to weight ratios and long service life are essential.
The Belden military standard universal joint is manufactured to withstand the most demanding operating conditions, harsh working environments and requires little maintenance in the field.
The military standard joint's high strength pin and block design can be modified into various materials such as aircraft 17-5 and 15-5 and marine grade 316 and 316L stainless steel to outperform other pin and block style universal joints in extreme corrosive environments.
news.thomasnet.com /fullstory/490637   (706 words)

  
 Joint Universal Products and Components Online
Precision Plastic Universal Joints in plastic with brass inserts and plastic are available in both inch and metric sizes and are guaranteed for 24 months.
Standard Universal Joints - Stocked ranges in DIN 808 and DIN 7751 available in steel (200rpm) for low speed (hand operated) economy, hardened steel (1000rpm), needle roller design (4000rpm) and in stainless steel (DIN 1.4305) in sizes Ø13 up to Ø63.
All types of universal joint are available as both single and double types.
www.rinomechanical.com /joint-universal.htm   (175 words)

  
 Driveline Service - The History of the Universal Joint (U-joint)
Some credit Cardano with the invention of the universal joint, but it wasn't until the next century that an actual universal joint was produced.
English scientist Robert Hooke was the first to put the universal joint to work.
In 1676 he constructed a "universal joynt" to manipulate the mirrors of his solar astronomical invention, the "helioscope." Universal joints are still called "Cardan joints" or "Hooke's joints" and have since become an essential part of both modern transportation and industry.
www.driveshafts.com /u-joint.html   (185 words)

  
 Yoke-trunnion universal joint without needle bearings patent invention
For example, one kind of universal joint has been applied for patent (Chinese application No.: 87013541) that needs filling with lubricating oil to assure uniform and long-term lubrication at all four roller bearings.
Such universal joint is quite complicated and the springs lead to a loose structure and high assembly difficulty, tend to wear out, runs with loud noise and are hard to seal tightly.
The technical scheme of this invention is especially suitable for a high-rate and light-load yoke-trunnion universal joint.
www.freshpatents.com /Yoke-trunnion-universal-joint-without-needle-bearings-dt20051229ptan20050288107.php   (1194 words)

  
 Joint : UniversalJoint   (Site not responding. Last check: )
This subclass of Joint is used to link two Link objects together using a universal joint.
Returns a vector indicating how the angle of this joint is from its natural position (which corresponds to a values of 0 on both axes).
Universal joints have two rotation axes, both of which are perpendicular to the parentPoint.
www.spiderland.org /documentation/classes/UniversalJoint.html   (317 words)

  
 Universal Joints
The universal joint, or Hookes joint, is used to carry drive from one shaft to another where the two shafts are not perfectly in line and particularly where they can move relative to each other.
The universal joint is not a constant velocity joint: If there is a non-zero angle of deflection between the input and output shafts and if the input shaft is driven at a constant rate then the output shaft will accelerate and decelerate twice per revolution.
It is for this reason that full-time four wheel drive vehicles fit constant velocity joints, not universal joints, in the steering swivels.
www.4wdonline.com /A.hints/Universal.html   (630 words)

  
 Universal Joint
In this type of joint, four large balls transmit the rotary force, with a smaller ball as a spacer.
With the Hooke type universal joint, a whipping motion occurs as the shafts rotate.
The Bendix-Weiss joint does not have this disadvantage; it transmits rotary motion with a constant angular velocity.
www.tpub.com /machines/11g.htm   (579 words)

  
 Universal joints for OEMs - Curtis Universal Joint Co.
Universal joints for OEMs - Curtis Universal Joint Co.
Curtis’ universal joints have been used for over 70 years by OEMs in thousands of military, commercial, industrial and medical applications.
Curtis Universal Joints can also be found on commercial sewing machines, bowling alley cleaning equipment, food processing machinery, conveyors, professional cleaning equipment, surgical tables, and numerous other applications.
www.curtisuniversal.com   (261 words)

  
 FAQs about Universal Protocol | Joint Commission
The use of "must" and "should" is intended to distinguish between requirements (those steps that must be done as stated in the Guidelines) and preferred approaches that should be done as stated whenever possible but that allow some degree of flexibility to accommodate the unique characteristics of a particular organization.
As noted in our FAQs on the Joint Commission website, the Universal protocol requirements are applicable to all operative and other invasive procedures that expose patients to more than minimal risk, including procedures done in settings other than the operating room such as a special procedures unit, endoscopy unit, or interventional radiology suite.
Additionally, recognizing that Universal Protocol requirements promote safe patient care, treatment, and services, organization are certainly free to use any of the components of the protocol for any other type of procedure it so chooses.
www.jointcommission.org /PatientSafety/UniversalProtocol/up_faqs.htm   (3439 words)

  
 Having gimbal or universal joint support - PatentStorm   (Site not responding. Last check: )
A ball and socket joint assembly for a water vehicle outdrive system pivots both the trim-lift and the rudder as well as provides a reverse thrust without the need of a shifting mechanism.
A propeller shaft (38) is connected to the transmission with a universal joint (34) and extends rearwardly therefrom into the...
The assembly uses a universal joint (U-joint) in the gimbal housing for pivotally engaging the drive unit to the gimbal housing.
www.patentstorm.us /class/440/57-Having_gimbal_or_universal_joint_support.html   (1980 words)

  
 Facts about the Universal Protocol | Joint Commission
The Joint Commission has issued two Sentinel Event Alert newsletters on the subject of wrong site surgery; the first was published August 28, 1998, and the follow-up issue was published December 5, 2001.
Summit participants agreed that a universal protocol would help prevent the occurrence of wrong site, wrong procedure and wrong person surgery; that the protocol should be specific, so as to eliminate confusion about site marking and facilitate communication among surgical team members; and that it should provide the flexibility needed for unique surgical situations.
The Joint Commission pursued broad consensus on the draft of the Universal Protocol in order to make it valuable and useful to the majority of surgical situations and staff.
www.jointcommission.org /PatientSafety/UniversalProtocol/up_facts.htm   (555 words)

  
 Universal Joint On B2BManufactures.Com from China & Taiwan Universal Joint Manufacturers & China Universal Joint ...
Universal Joint - Yi Jeong Industrial Co., Ltd.
Universal Joint - Chea Hwae Enterprise Co., Ltd.
Universal Joint - Super Flexible Enterprises Co., Ltd.
www.manufacturers.com.tw /vehicles/Universal-Joints.html   (662 words)

  
 universal joint definition - Dictionary - MSN Encarta
universal joint definition - Dictionary - MSN Encarta
Search for "universal joint" in all of MSN Encarta
u·ni·ver·sal joint (plural u·ni·ver·sal joints) or u·ni·ver·sal coup·ling
encarta.msn.com /dictionary_1861708140/universal_joint.html   (91 words)

  
 Tom Wood's Gold Seal Drive Shaft
The problem is, usually the failure of the universal joint will damage the drive shaft and is not covered by their warranty.
There will be no up-charge for this universal joint and is a part of our continual efforts to improve the quality and value of our drive shafts.
Tom Wood’s Gold Seal Universal Joints are warranted against breakage for the life of the universal joint.
www.4xshaft.com /GoldSeal.html   (482 words)

  
 Universal Joint Grease Development
A project was conducted where different types of greases with different additives were evaluated in an effort to determine if performance improvements could be obtained in the universal joint application.
Several different types of greases, calcium, lithium, lithium complex and polyurea were evaluated and compared to the current universal joint grease.
The required grease for a universal joint must be a maintenance- free grease that is used in a full complement of needle bearings.
www.sae.org /servlets/productDetail?PROD_TYP=PAPER&PROD_CD=2002-01-0299   (201 words)

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