pin tumbler cylinder
21List of United States inventions — 1700s1731 Sextant * The sextant is an astronomical instrument that is used to determine latitude for navigation. It does this by measuring angular distances, like the altitude of the sun, moon and stars. The sextant was invented independently in… …
22Yale, Linus — ▪ American inventor born April 4, 1821, Salisbury, N.Y., U.S. died Dec. 25, 1868, New York, N.Y. American inventor and designer of the compact cylinder pin tumbler lock that bears his name. At first Yale tried portrait painting, but… …
23Padlock — For other uses, see Padlock (disambiguation). Padlock Padlocks are portable locks used to protect against theft, vandalism, sabotage, unauthorized use, and harm. They are designed to protect against some degree of forced and surreptitious entry …
24Magnetic-coded lock — A magnetic coded lock is a lock device that uses pins in combination with magnets to prevent entry by either non matching keys by teething or magnetic polarity. Magnetic coded locks encompass knob locks, cylinder locks, lever locks, and deadbolt… …
25Linus Yale, Jr. — Linus Yale, Jr. (4 April 1821 25 December 1868) was an American mechanical engineer and manufacturer, best known for his inventions of locks, especially the cylinder lock. Linus Yale, Jr. was born in Salisbury, New York. Yale s father, Linus Yale …
26Indexing (motion) — Indexing in reference to motion is moving (or being moved) into a new position or location quickly and easily but also precisely. After a machine part has been indexed, its location is known to within a few hundredths of a millimeter (thousandths …
27Linus Yale — may refer to:*Linus Yale, Sr., American inventor and manufacturer of pin tumbler locks. *Linus Yale, Jr., innovator in cylinder lock technology, son and business partner of the above …
28Yale, Linus, Jr. — The American inventor of the pin tumbler mortise lock and its replaceable cylinder component …
29duplex lock — noun : a cylinder lock with two pin tumbler cylinders acting independently on the same bolt, one for an ordinary key and the other for a master key * * * a lock capable of being opened either by a master key or a change key, each operating its… …
30Safety (firearms) — This article is about the mechanical safety devices built into most firearms. For the main article about firearm safety education, see Gun safety. Close up shot of a safety of an M16A2 rifle. In firearms, a safety or safety catch is a mechanism… …
