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Fascinating facts about the invention of the Yale Lock by Linus Yale Jr. in 1860. YALE LOCK
Yale's lock used a flat key with serrated edges like the ones we still use today. When inserted into the lock, the key pushes the bottom pins into the right position, which allows the user to turn the key and unlock the lock. The cylinder lock perfected by Yale is based on a mechanism first employed by the ancient Egyptians over 4000 years ago.

Invention: Yale Lock in 1860
Yale lock image courtesy
Function: noun / brand name for cylinder pin-tumbler locks
Definition: a locking mechanisms in which a cylinder rotates to move a bolt; tumblers are pins; inserting the key lifts and aligns the pins to free the cylinder to rotate
Patent: Yale patented his cylinder pin-tumbler lock in 1861.
Inventor: Linus Yale Jr.
Linus Yale Jr. photo courtesy
Criteria: First to invent. First to patent. First practical. Entrepreneur.
Birth: April 4, 1821  in Salisbury, New York
Death: December 25, 1868 in New York
Nationality: American

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History of the Yale Lock
Yale is one of the oldest international brands in the world and enjoys a colorful and innovative history with its roots in colonial America. .
Yale Lock Company
Official Web site for the Yale Lock Company in Norcross, Georgia..
Linus Yale 1821...1868
Below is a first person narrative written as if it was spoken by Linus Yale: By Nicolea student at Ryan Middle School in Fairbanks, Alaska.


The Yale family was originally part of a group of immigrants from North Wales. One branch of the family went on to found the world-renowned Yale University in Connecticut in 1701, while another revolutionized the locking industry

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Reference Sources in BOLD Type. This page revised July 18, 2005.
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