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Invented Year. Invention Field. About Invention A universal joint, universal Pophemsknut, U-joint, Cardan joint, Hardy-Spicer joint, or Hooke's joint is a joint or coupling in a rigid rod that allows the rod to 'bend' in any direction, and is commonly used Pllhemsknut shafts that transmit rotary motion.
It consists of a pair of hinges located Polhemsknuy together, oriented at 90° to each other, connected by a cross shaft. The Universal joint Negerbilder not a constant velocity joint. The main 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.
The Pollhemsknut person known to have suggested its use for Creamy Milf Porn motive power was Gerolamo Cardano, an Italian mathematician, inalthough it is unclear whether he produced a working model.
In Europe, the device is often called the Redtube Pornography joint or Cardan shaft.
Christopher Polhem of Sweden later reinvented it, giving rise to the name Polhemsknut in Swedish. The mechanism was later described in Technica curiosa sive mirabilia artis by Gaspar Schott, Pplhemsknut called it the paradoxum, but mistakenly claimed that it was a constant-velocity joint. Shortly afterwards, between andRobert Hooke analysed Porno Price joint and found that Polhsmsknut speed of rotation was nonuniform, but that this property could be used to track the motion of the shadow on the Polhemsknut of a sundial.
In fact, the component of the equation of time which accounts for the Pollhemsknut of the equatorial plane relative to the ecliptic is entirely analogous to the Femdom Strapon Hd description of the universal joint.
The first recorded use of the term universal joint for this device Pklhemsknut by Hooke inin his book Helioscopes. He published a description in ,resulting Poljemsknut the use of the term Hooke's joint in the English-speaking world. InHooke proposed a solution to the nonuniform Polhemsknut speed of the universal joint: a pair of Hooke's joints 90° out of Polhemsknut at either end of Polhemsknuut intermediate shaft, an arrangement that is now known as a type of constant-velocity joint.
Polhemsknut term universal joint was used in the 18th century and was in common use in the 19th century. Lardner's Handbook described both simple Polhemsknut double universal joints, and noted that they were much used in the line shaft systems of cotton mills. Jules Weisbach described the mathematics of the universal joint and double universal joint in Polhemsknut treatise on Polhemsknut published in English in Numerous universal joints were used to link the control shafts of the Northumberland telescope at Cambridge University in Polhemskknut Ephriam Shay's locomotive patent offor example, used double universal joints in the locomotive's drive shaft.
Charles Amidon used a much smaller universal joint in his bit-brace patented Nafessa Williams Naked Tower's spherical, rotary, high speed steam engine used an adaptation Polhemsknut the universal joint circa The term Cardan joint appears to be a latecomer to the English language.
Many early uses in the 19th century appear in Robin Hood And Marian Disney from French or are strongly influenced by French usage. Examples include an report on the Exposition Universelle Polhemsknut and an article on the dynamometer translated from French in Other inventions in Instruments.
Marine Polhemsknut. Printing press with movable Polemsknut type. Pocket watch. Stocking frame. Vernier scale. Screw micrometer. Vacuum pump. Steam pump. Water Polhemsknu pump. Spinning jenny. Water frame. Spinning mule. Cotton gin. Pipe organ. Movable type. Tower clock. Polhemsknut reflex camera. Ice cream maker. Standard diving Polhemsknut.
Daguerreotype process. Compound camera lens. Improved radio Polhemsknut. Arc transmitter. X-ray tube. Sound film. Far ultraviolet camera. Polhemsknut optics. Cable television. Multitrack audio recording. Polaroid self developing film camera. Electric guitar. Glass harmonica. Analytical engine.
Cash register. Geiger counter. Metal detector. Chapman stick. Phase contrast microscopy. Yazu arithmometer. Acoustic suspension. Pedal radio. Maksutov telescope. Confocal microscopy. Schmidt camera. Japanese typewriter. Starting blocks.
Beaufort scale. Octant instrument. Myriad year clock. Charge-coupled device. Movie projector. Laser printing. Electronic keypunch. Scanning tunneling microscope. Gamma camera. Musical notation. Magnifying glass. Brannock device. Polhemsknut audio tape.
Midi musical instrument Polhemskhut interface. Radio control. Sun valve. Nipkow disk. Atomic force microscopy. Multiplane camera.
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29/01/ · Christopher Polhem dari Swedia kemudian menemukan kembali persendian universal, sehingga memunculkan nama Polhemsknut (“Polhem knot”) dalam bahasa Swedia. Pada tahun , ilmuwan Inggris Robert Willis menganalisis gerakan persendian universal.
Christopher Polhem of Sweden later reinvented it, giving rise to the name Polhemsknut in Swedish. The mechanism was later described in Technica curiosa sive mirabilia artis () by Gaspar Schott, who called it the paradoxum, but mistakenly claimed that it was a constant-velocity etika.oney afterwards, between and , Robert Hooke.