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Topic: Jewel bearing

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	Reference.com/Encyclopedia/Jewel bearing
		Jewel bearings were used widely for mechanical (escapement) watches, where their low and predictable friction improved watch accuracy.
		Bearing bores are typically less than 1 mm and typically support loads of under 1 gram; large jewel bearings are as large as 10 mm and support loads up to about 500 g.
		Jewel bearings are known for their low breakaway friction and highly consistent moving friction.
	www.reference.com /browse/wiki/Jewel_bearing (524 words)

	Lightweight actuator in a computer mass memory storage device - Patent 5729406
		The output torque is a function of the friction of bearing 24, the inertia of actuator 5, and the electrical resistance of the coil of voice coil 15.
		Bearing 34 is a roller bearing or set of bearings secured about pivot pin 36 by way of a press fit; snap rings or other positioning systems may be used to secure bearing 34 to pivot pin 36.
		Bearing 34 is preferably of the sealed type, so that lubrication may be maintained therewithin and prevented from migrating to disk surfaces or to read/write heads (which, of course, would degrade disk performance).
	www.freepatentsonline.com /5729406.html (5716 words)

	Definition of Jewel bearing
		A jewel bearing is a bearing which allows motion by running a shaft slightly off-center so that the shaft rolls inside of the bearing rather than sliding.
		Jewel bearings were used widely for mechanical (escapement) watches because their low and predictable friction made the watch more accurate.
		Bearing bores are typically less than 1mm and typically support loads of under 1 gram; large jewel bearings are as large as 10mm and support loads up to about 500g.
	www.wordiq.com /definition/Jewel_bearing (355 words)

	Jewel Bearing Design Aids - Swiss Jewel Company
		Jewel bearings are normally mounted in some type of housing.
		By this method, the jewel is forced into a hole drilled to create interference fit with the OD of the jewel.
		The jewel is placed in position in the hole and setting material is spun over the edge of the jewel to hold it in place.
	www.swissjewel.com /jewel_bearing_design_aids.htm (182 words)

	The EverLife Buddhist Education Center - Symbols
		The concept of a universally endowed jewel divulged that Perfect Enlightenment was a gift inherently possessed by mortals, although the distractions and dysfunctions of their existence had made it nearly impossible to uncover it.
		However, by proposing that the valuable "jewel" may be used to procure "complete fulfillment of all need and desire," Sakyamuni offered a new interpretation regarding the achievement of spiritual emancipation.
		In proposing that Perfect Enlightenment had been endowed to all mortals by virtue of divine grace, he suggested that all living beings were capable of transforming the realm of mortality into a buddha-land — a state of blissful fulfillment wherein all can enjoy the illumination of their senses, mind, desires and environment.
	www.everlife.org /icons_frame.htm (4846 words)

	Optical fiber termination - Patent 4135781
		An optical fiber termination in which a plastic clad optical fiber is pushed into a heated ferrule containing a pierced watch bearing jewel so as to force the bare fiber through the aperture in the jewel.
		The protruding bared fiber 16 is cut close to the jewel, e.g., with wire cutters, and the cut end is fused in a flame to form a globule as shown in FIG.
		The fiber end is then lapped and polished flush with the watch jewel 12 leaving an enlarged conical portion 21 which mates with the conical throat of the aperture 17 so as to hold the fiber symmetrically therein.
	www.freepatentsonline.com /4135781.html (1216 words)

	Passive Magnetic Bearing Development
		The objective was to determine whether the bearing system has sufficient stiffness and damping built in to allow performance over the required speed range.
		The ball of the jewel bearing is a 3.175 mm (0.125 inch) silicon nitride ball.
		The disk of the jewel bearing is 440C stainless steel.
	www.grc.nasa.gov /WWW/spacemech/workshop02/mag-brg.html (294 words)

	Mother Tongue Annoyances » Why is a ‘Jewel Case’ Called a ‘Jewel Case’? (Site not responding. Last check: 2007-10-19)
		Instead, the name apparently originates from watchmakers' use of the term jewel to refer generally to a polished hemispherical bearing used in a mechanism (high-quality mechanical watches and clocks commonly use gemstones, typically rubies, for such bearings because of their low friction properties).
		In the early 1900s a process to make manmade sapphire and ruby was invented, making jeweled bearings practical at much less expense.
		The inventor of the jewel bearing was Fatio de Duelliers in 1704 in London and was patented
	www.mtannoyances.com /?p=411 (618 words)

	Industrial Jewels@Double Cup Jewel (Site not responding. Last check: 2007-10-19)
		All metal components of the Double Jewel Bearing are made on Swiss made TORNOS automats which deliver highest level of accuracy consistently.
		The process of hot polishing alters the surface characteristic of the material and gives the highest possible level of polish to the sapphire/ruby jewel, causing minimum friction during the working of the bearing.
		All the metal components and jewels are cleaned and inspected before assembly and are assembled in absolutely dust free assembly area.
	www.industrialjewels.com /pro_dc_jewel.htm (134 words)

	Jewel Bearing or Industrial Jewel Distributors or Agents - Worldwide
		Manufacturers and suppliers of jewel bearings and pivots with hard metal tips, and design and manufacture of micro components and small mechanisms.
		Orifices, Nozzels, Jewel Bearings, Sapphire and Ruby Products.Offers wear-resistant, zero-porosity synthetic sapphires and rubies for micrometering, spray nozzle, and critical-flow restrictor applications.
		fighter gyroscopes (slightly larger than a pinhead), to a bearing for a super tanker (7 feet across).
	www.kellysearch.com /qz-product-52342.html (706 words)

	WOWI Crosswalks
		Grinds olive-shaped contour to bearing surface of olive-jewel hole: Fits wire strung with jewels, and on which wire diamond dust is spread, in holding bow.
		Operates lathe to grind jewel bearings to specified thickness: Mounts fixture in chuck of lathe and inserts jewel bearing into recess of fixture, using tweezers.
		Examines watch jewels for defects, such as cracks, rough cuts and cups, misshapen holes, and chips, using microscope: Places quantity of jewels on glass table, which is lighted from beneath, and positions each jewel individually beneath microscope with tweezers.
	www.wowi.com /crosswalks/Bench/770.php (3711 words)

	FIIG A045A Index
		The inner member may be either a plain spherical bearing or a sleeve bearing.
		The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).
		A replaceable part, cylindrical in shape, hollow, and designed primarily to be inserted in a hole to reduce the effective inside diameter of the hole, and to protect the body structure about the hole from damage resulting from stress, strain, and vibration.
	www.dlis.dla.mil /fiigdata/A045A/ainindex.htm (1016 words)

	Jewel Bearings – Web Listings
		Jewel bearings or jewels are miniature components used in instruments and...
		“Jewel Bearing” is defined as a piece of synthetic ruby or sapphire of nearly...
		Jewel bearing A bearing used in quality timekeeping devices, gyros, and instruments, usually made of synthetic corundum (crystallized Al 2 O 3) which.
	www.business.com /directory/industrial_goods_and_services/industrial_supplies/bearings/jewel/weblistings.asp (495 words)

	Compasses & Clinometers
		Scale rides on a sapphire jeweled bearing and is liquid damped.
		Scales are graduated in degrees from 0 to +90 and from 0% to +150% slope.
		Bearing, range and time information are superimposed into the monocular field of view by the touch of a button.
	www.ascscientific.com /compass.html (1364 words)

	AimFast Compass / Clinometer (TLAF1) \| Aimfast [] (Site not responding. Last check: 2007-10-19)
		Adjust the eyepiece so that both the hairline and the scale are sharp and the eyepiece slot settles in a vertical position in the bearing compass and in a horizontal position in the clinometer.
		A jewel bearing supports the dial and it is immersed in dampening fluid; giving vibration less, smooth movement.
		Construction: A jewel bearing assembly supports the scale dial and all moving parts are immersed in a damping liquid inside a high strength hermetically sealed plastic container.
	www.solidsignal.com /prod_display.asp?PROD=TLAF1 (761 words)

	Bayshore Resort Bait & Tackle (Site not responding. Last check: 2007-10-19)
		The brass casing is strong, malleable and won't rust.
		The movement rotates on an ultra-smooth agate jewel bearing and the crystal is virtually shatterproof.
		Uses a large safety pin to attach to a shirt or jacket.
	www.bay-shore-resort.com /store/marbles/compasses.html (251 words)

	Suunto MB-6 Hand Bearing, Base Plate Compass
		It is a combination of a hand bearing and base plate compass, as well as a clinometer.
		A feature-packed compass in a handy matchbox style case, the Suunto MB-6 is a combination of a hand bearing and base plate compass in a highly resistant Noryl?s case and is ideal for marine use.
		Though small and compact, the MB-6 boasts a host of invaluable features, including jewel bearing, fixed declination correction, luminous needle and clinometer.
	www.fondriest.com /products/suunto_37170.htm (87 words)

	E S S C O - Educational Scientific Supplies Company
		The short magnetic needle has a jewel bearing and a light aluminium pointer designed for precise reading and maximum damping.
		Magnetic needle 75 mm long with brass bearing supported by pivot mounted on a plastic base and surrounded by a rectangular copper rod fitted with terminals.
		Arms pivot on steel spindle with adjustment of knobs to rear bringing hard rubber pads at front end of arms to bear on transformer core.
	www.esscoindia.com /site/magnetism.html (2094 words)

	8_01
		"Jewel bearing" means a piece of synthetic corundum (sapphire or ruby) of any shape, except a phonograph needle, that has one or more polished surfaces to provide supporting surfaces or low-friction contact areas for revolving, oscillating, or sliding parts in an instrument, mechanism, subassembly, or part.
		A jewel bearing may be unmounted or may be mounted into a ring or bushing.
		Examples are watch holes--olive, watch holes--straight, pallet stones, roller jewels (jewel pins), endstones (caps), vee (cone) jewels, instrument rings, cups, and double cups.
	www.arnet.gov /far/90-34/html/8.html (7158 words)

	Jewel :: J : Gourt
		Jewell, an R&B/hip-hop singer formerly of Suge Knight's Death Row Records
		Jewel (novel), Jewel is a novel by Bret Lott and was chosen as an Oprah's Book Club selection
		Pop Entertainment.com: Jewel-Portrait of a Young Artist - Jewel discusses her career and her art with Jay S. Jacobs of popentertainment.com.
	arts.gourt.com /Music/Bands-and-Artists/J/Jewel.html (317 words)

	Industrial Jewels@Cup Jewel (Site not responding. Last check: 2007-10-19)
		Cup jewels are normally used as support bearings in applications requiring very long life and wear resistance along with consistency in result.
		We are one of the few specialists in the world to manufacture the hot polished cup jewels, where the polish is attained by high temperature.
		We manufacture precision turned parts on TORNOS automats which help in making an accurate jewel bearing.
	www.cupjewel.com (198 words)

	Watch Jewel, Bearing Stone / Adamant Kogyo Co., Ltd.
		In 1960 we attained the domestic manufacture for Watch Jewels for the first time in Japan.
		Watch Jewels are mainly made from Ruby Material.
		We established a highly precision processing technology overcoming the difficult problems to make a 10um hole in a small ruby and polish.
	www.adamant-kogyo.com /products/precision-components/clock/index.html (124 words)

	Calibration equipment, calibration instrument news, calibration products and test and measurement equipment news from ...
		The traditional bearing types for clear liquid and gas flow measurement in a turbine flow meter include ball bearings, journal, and jewel.
		Traditional steel bearings do have their limitations in terms of gall resistance and abrasive wear.
		The fatigue life of a ceramic ball bearing vastly exceeds that of the best steal bearings, thus, the cost of ownership over time is substantially improved.
	www.ecalibration.com /News/2001/May/products2.htm (235 words)

	Magnetism and Electromagnetism - Science Equipment Catalogue
		Comprising a bakelite box 100mm dia with aluminium dial marked with degrees 0-90º four times, antiparallax mirror and a steel needle pivot at the centre.
		The short magnetic needle has a jewel bearing and an aluminium pointer for precise reading on the dial.
		This magnetometer compass box is fitted at the centre of one metre long wooden board with two half metre scales reading from the centre of the compass box complete.
	www.esscoindia.com /catalogue/2,6,2.asp?page=2 (371 words)

	jewel - OneLook Dictionary Search
		Jewel, jewel : LookWAYup Translating Dictionary/Thesaurus [home, info]
		Phrases that include jewel: jewel box, jewel casket, spiritual jewel, jewel case, jewel bearing, more...
		Words similar to jewel: gem, jeweled, jeweling, jewelled, jewellike, jewelling, bijou, precious stone, more...
	www.onelook.com /?w=jewel&ls=a (313 words)

	Professional Jeweler Archive: Timepiece Glossary, Part III
		W e continue our series of definitions of advanced technical terms involving the ever-advancing world of watches.
		Jewel Bearing, endstone or pallet that reduces friction.
		They’re generally made of synthetic material, though natural ruby, sapphire or garnet are sometimes used in deluxe watches.
	www.professionaljeweler.com /archives/articles/2000/aug00/0800ts.html (504 words)

	Jewel - Products for Jewel - Manufacturers,Exporters,Suppliers,Traders,Companies,Factories (Site not responding. Last check: 2007-10-19)
		We are looking for fancy jewel boxes In many styles.
		This jewels metal cross is designed for hanging ornament.
		Standard jewel case for the storage of DVDs, especially for the J
	www.alibaba.com /productsearch/Jewel/8.html (525 words)

	Flow Technology Turboprobe Flowmeters (Site not responding. Last check: 2007-10-19)
		Maintenance is simplified by utilizing calibrated rotor capsules which are easy to store and replace in the field.
		Calibrated rotor capsules are offered in a variety of bearing configurations, such as ball bearing, journal or pivot, to meet your measurement requirements.
		(-50° C to 315° C) Note: The standard maximum operating temperature of the jewel bearing is 300° F (150° C).
	www.ftimeters.com /pages/product/turboprobe.html (557 words)

	Kestrel Accessories, Portable Weather Station, Kestrel Weather Instrument, Hand Held Weather Station, Air Flow Meter
		This full-featured compass has a declination correction scale to allow you to make quick adjustments of map bearings to field headings, a sure-grip dial and ergonomically-contoured base plate, and includes inch and millimeter rules for mapping an plotting.
		This compass conveniently mounts to your Kestrel lanyard or the band of your wrist watch and is ideal for paring with the Kestrel 1000 to Kestrel 4000.
		A sapphire bearing and a capsule designed to work on inclines gives you incredible accuracy and better performance.
	www.weathershack.com /kestrel/kestrel-accessories.html (819 words)

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