Early Pin Tumbler Locks

• Linus Yale Sr: April 27, 1797 - August 8, 1858.
• Linus Yale Jr: April 4, 1821 - December 25, 1868.
• In 1857 Linus Yale Sr. and Halbert Greenleaf formed Yale & Greenleaf Lock Mfg. Co. James Sargent was a salesman for the company.
• The first Pin Tumbler style mechanism was patented by Abraham Ogier Stansbury, UK patent #2,851 dated 1805. Stansbury subsequently was awarded a US patent for the same lock dated Feb 11, 1807. This patent was lost in the Patent Office fire of 1836.
• The modern day Pin Tumbler Push Key padlock is a byproduct of the genealogy of the Pin Tumbler mechanism. Beginning with the Linus Yale Sr. Quadruplex patent # 3630 and ending (or we should say the beginning of the end) with the Linus Yale Jr. pin tumbler patent #48475.
• Documents: Linus Yale Sr. & Linus Yale Jr. Patents

Stansbury - Early Pin Tumbler Principle

Stansbury Pin Tumbler Door Lock. This is the first known attempt at the Pin Tumbler style mechanism patented by Abraham Ogier Stansbury, UK patent #2,851 dated 1805. Stansbury subsequently was awarded a US patent for the same lock dated Feb 11, 1807. This patent was lost in the Patent Office fire of 1836. Mfg by: Abraham Ogier Stansbury. Stansbury was an American who emigrated to England. We have not found this lock as yet. "Courtesy Dayu Chen" Show Photo Gallery

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Longfield - Early Pin Tumbler Principle

"LONGFIELD PATENT". Brass and Iron construction. Mfg by: William Longfield.    UK patent #6,674 dated 1834    More... "This Lock Resides in the Otley Museum UK" Show Photo Gallery

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Quadruplex - Early Pin Tumbler Principle

Yale Quadruplex Door Lock. Steel case. Mfg by: Linus Yale Sr. Patent #3630. This is Linus Yale Sr earliest attempt at the Pin Tumbler mechanism. "The Michael Stuart Collection"

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Early Slider Mechanism - Sliding Body

	Blank. 4 1/2" high. Brass case. Brass shackle. Mfg by: Linus Yale Sr. Linus Yale Sr. Patent #18169. "Courtesy Neil Pylant"	2504
	"LINUS YALE" - "LINUS YALE". 4.25" high x 1.94" wide x .58" slide ridge depth x .41" case depth. Brass construction. Steel key. 4 pins. 2 retaining pins. "3" is stamped on the reverse of the case. "0" is stamped on the base of the case. Mfg by: Linus Yale Sr. Linus Yale Sr. Patent #18169. "The Michael Stuart Collection" Show Photo Gallery	9364
	"LINUS.YALE'S PATENT 1857" - Recessed Panels. 4 1/2" high x 2" wide. Brass case. Brass shackle. Mfg by: Linus Yale Sr. Linus Yale Sr. Patent #18169. "The Dayu Chen Collection" Show Photo Gallery	8940

Early Slider Mechanism - Pivot Shackle

	Blank. 2 1/4 " wide x 3 3/8" high x 5/8" deep. Brass case. Brass shackle. "G", "G", "2", and "7" is stamped on the obverse of the case. Mfg by: Linus Yale Jr. "The Michael Stuart Collection"	4594
	Blank. 2 1/2" wide. Brass case. Brass shackle. Mfg by: Linus Yale Jr. "Courtesy Neil Pylant"	2304
	"H.A.W ? LCOX." - "H ? W". 2 1/4" wide x 3 3/8" high. Brass case. Brass shackle. "2" is stamped on the obverse of the case. Mfg by: Linus Yale Jr. "The Michael Stuart Collection"	3224

Early Pin Tumbler Slider Mechanism - Rotating Plug

Yale Slider Rotating Plug Drawer Lock. This is the early slider mechanism with a rotating plug. We believe that this is Yale's first attempt at the rotating plug pin tumbler mechanism. Mfg by: Linus Yale Jr. Patent #31278.  More... Show Photo Gallery "The Dayu Chen Collection"

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Current Pin Tumbler Mechanism

Yale Pin Tumbler - Patent Model. This is the first Yale Pin Tumbler Patent. We have not found a padlock marked with this patent as yet. Mfg by: Linus Yale Jr. Patent #48475. Show Photo Gallery "The Tom Hennessy Jr. Collection"

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Current Pin Tumbler Push Key Mechanism

"BRAMBLE LOCK COMPANY TERREHAUTE". 1 13/16" wide. Steel case. Steel shackle. Keyway: Flat. No shackle spring. The reverse of the case and shackle are plain. Mfg by: Bramble Lock Co., Yale & Towne Mfg. Co. William H. Bramble Patent # 418884.  (PK-LS-007-S1). "Courtesy Neil Pylant"

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