Tumbler
|
Tumblers
Tumblers were proposed by Ted Nelson in "Literary Machines" as a means to address every bit ever written, or a particular span of bits in any text ever written.
A tumbler is a unique numerical address of an interesting artefact. The address resembles IP-Addresses, but is much larger and has much more detailed structure. The structure looks like this.
1. < node >.0. < user >.0. < document >.0. < element >
The "1." is used in order to mark the start of a new address. The individual fields of the address are divided with ".0." so that they can be arbitratily long. Each < element > has the format "n. n. ... . n", a hierarchy of subaddresses.
The last element denotes the special kind of element, for example:
1. Text/Bytes
2. Links
3. Bitmaps
4. etc.
The 9287th byte of this version of the document would be 1.2368.792.6.0.6974.383.1988.352.0.75.2.''0.1.9287'' and the 356th link would be 0.2.356 on the end instead.
Tumblers are only issued once and never changed again. The structure can grow at will, the address space is practically infinite.
Nelson also introduces the concept of "spans", and the idea of direction. One can speak of "2 chapters back" or "300 bytes forward".
More information:
http://web.archive.org/web/20030609034924/
http://www.udanax.com/green/febe/tumblers.html
Tumbler
Tumbler is a part of a lock whose position must be changed by a key in order to release the bolt.
'''': Pin tumbler lock, Tubular pin tumbler lock, Disc tumbler lock
----
A tumbler is also a type of drinkware, a small glass cup, often found in bars and pubs, used to hold alcoholic beverages. So-called because originally it had a pointed or convex base, and could not be set down with any liquor in it, thus compelling the drinker to finish his measure.
'''': shot glass
----
A tumbler is a toy that can tumble over and then straighten up itself. It usually has a rounded base with a heavy weight at the lowermost part of it.
----
A tumbler is a term sometimes used to describe the button on top of a chess clock that switches off one players clock and turns on the opponent's clock.
Category:Drinkware
Category:Toys
Category:Locks
Pin Tumbler Lock
The pin tumbler lock is a lock mechanism that utilizes a group of pins of varying lengths to prevent opening the lock without the correct key. Pin tumblers are most commonly employed in cylinder locks, but may also be found in tubular or radial locks.
History
The basic principles of the pin tumbler lock may date as far back as 2000 BC in Egypt; the lock consisted of a wooden post affixed to the door, and a horizontal bolt that slid into the post. The bolt had vertical openings into which fitted a set of pins. These could be lifted, using a key, to a sufficient height to allow the bolt to move and unlock the door.
Inventor Linus Yale, Sr. patented a cylindrical pin tumbler lock in 1848, a design which was further improved and patented by his son, Linus Yale, Jr., in 1861. Yale, Jr.'s design is very similar to pin tumbler locks manufactured today.
Design
The pin tumbler is commonly used in cylinder locks. In this type of lock, an outer casing has a cylindrical hole in which the ''plug'' is housed. To open the lock, the plug must rotate.
The plug has a straight, shaped slot known as the ''keyway'' at one end to allow the key to enter the plug; the other end may have a ''cam'' or lever which activates a mechanism to retract a locking bolt. The keyway often has protruding ledges which serve to prevent the key pins from falling into the plug, and to make the lock more resistant to picking. A series of holes, typically five or six of them, are drilled vertically into the plug. These holes contain ''key pins'' of various lengths, which are rounded to permit the key to slide over them easily.
Above each key pin is a corresponding set of ''driver pins'', which are spring-loaded. Simpler locks typically have only one driver pin for each key pin, but locks requiring multi-keyed entry, such as a group of locks having a ''master key'', may have extra driver pins known as ''spacer pins''. The outer casing has several vertical shafts, which
Pin Tumbler Lock
What about disk tumbler locks, which are also cylinder locks? -- RTC 19:14, 19 Nov 2003 (UTC)
:That's a good question... too bad I don't have a good answer :-) I (perhaps erroneously) moved the article, since a brief inspection of search results implied that a pin tumbler is a more specific kind of lock, and was in fact the type being described in the original Cylinder lock article. I imagine there are a lot different kinds of cylinder locks, so maybe Cylinder lock should be used for listing those, and articles like Pin tumbler lock can describe them in detail. -- Wapcaplet 22:30, 19 Nov 2003 (UTC)
In making some revisions to the article, I think I may have gotten something wrong. The original article stated:
:''The lock consists of a brass cylinder with a horizontal hole containing a plug''
My version says:
:''In the pin tumbler cylinder lock, the plug is the cylinder in question.''
The http://www.faqs.org/faqs/locksmith-faq/ alt.locksmithing FAQ says:
:cylinder: ''The part of the lock in which the the pins are set and which contains the plug.''
Obviously my version disagrees with the other two, but I'm still a bit hazy: I've also seen the outer casing, containing the plug, referred to as the ''hull''; I don't know if the hull and the cylinder are synonymous, or if the cylinder refers to the ''cavity in the hull'' which houses the plug. Though I know of no specific example, I see no particular reason why the hull has to be cylindrical, although the plug (and the cavity it sits in) should be, in order to turn with the key. I'd be grateful if someone with better knowledge of locks cleared it up for me! -- Wapcaplet 21:32, 20 Nov 2003 (UTC)
:The cylinder is the outer part (not the hole the plug goes into) and is round so it can be rotated to unscrew it from the lock mechanism (boltwork and housing) without disturbing that lock mechanism, after removing a setscrew that prevents rotation. The plug is also sometimes
Disc Tumbler Lock
A disc tumbler lock or wafer lock is a type of lock that utilizes a set of flat discs to prevent the lock from opening unless the correct key is inserted.
Design
In a cylindrical disc tumbler lock, a series of flat ''discs'' or ''wafers'' holds a cylindrical ''plug'' in place. The discs are fitted into vertical slots in the plug, and are spring-loaded, causing them to nestle into a wide groove in the outer casing of the lock. This groove blocks the discs from rotating, which in turn prevents the plug from rotating.
A rectangular hole is cut into the center of each disc; the height of the holes in the discs vary in size, so a key must have notches corresponding to the height of the hole in each disc in order to open the lock.
When the correct key is inserted, the discs are raised to a height sufficient to allow them to clear the groove in the outer casing. The discs must not be raised too high, or they will enter a second groove on the opposite side of the casing, preventing the discs from rotating. When all the discs are clear of both grooves, the plug, along with the discs and key, may rotate.
Category:Locks
Lever Tumbler Lock
A lever tumbler lock is a type of lock that uses a set of levers to prevent the bolt from moving in the lock. In the simplest of these, lifting the tumbler above a certain height will allow the bolt to slide past.
'Double acting' Lever tumbler locks were invented in 1778 by Robert Barron of England. These required the lever to be lifted to a certain height by having a slot cut in the lever. So lifting the lever too far was as bad as not lifting the lever far enough.
Chubb detector lock
Category:Locks
Nintendo Tumbler Puzzle
The Nintendo tumbler puzzle, also known as the ''Ten Billion Barrel'', is a mathematical puzzle in the style of Rubik's Cube. It was invented by Gunpei Yokoi of Nintendo and is covered by U.S. Patent 4,376,537.
It consists of a "cylinder" of transparent plastic divided into six levels, together with a black plastic "frame".
The frame consists of upper and lower discs that are joined together through the middle of the cylinder.
The top and bottom levels of the cylinder form a single piece, but between them are two rotatable pieces each two levels high. Each of the four central levels is divided into five chambers each containing a coloured ball. The top and bottom levels have only three chambers, containing either three balls or three parts of the frame depending on the relative position of frame and cylinder.
The balls in three of the five resulting columns of chambers can be moved up or down one level by raising or lowering the frame relative to the transparent cylinder.
The object is to sort the balls, so that each of the five columns contains balls of a single colour.
http://www.geocities.com/jaapsch/puzzles/nintendo.htm (photos and solution)
http://www.smartbytes.co.uk/Tumbler/ (solution)
Category:Puzzle games
Category:Mathematical recreations and puzzles
de:Teufelstonne
Universal Stainless | Vancouver | Vintage Baseball Hats | Wart Removal | West Nyack | Windows Andersen | Ws 65511 | 002 | 4 Less | Adidas Clothes | Alliance Imaging | Antidepressions | Ash Furniture | Auto Barriers | Banding Tools | Bed And Breakfast Charlottesville Va | Biotech India | Book Keeper | Brush Truck | Ca Smog Check
Tumbler
Tumor | Tumor Markers | Tupperware Com | Turbine Pumps | Turlock | Turnbuckle | Turquoise Earrings | Tussy Mussies | Tutorials Free | Tuxedo Fashion | Tuxedo Formal Wear | Tuxedo Vest | Tv Baltimore | Tv Booster | Tv Com | Tv Decoders | Tv Indianapolis | Tv Stands | Tv Swivel | Tv Swivel Base
Tumbler
|
Tumbler
|
© THIS PAGE ON Tumbler, COPYRIGHT 2004 ALL RIGHTS RESERVED -- Some Segments Used from Wikipedia under the GNU Free Documentation License |
|
