Early Pin Tumbler Locks

Stansbury - Early Pin Tumbler Principle
Click to Enlarge Image 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"
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3749

 

Longfield - Early Pin Tumbler Principle
Click to Enlarge Image "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"
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8946

 

Quadruplex - Early Pin Tumbler Principle
Click to Enlarge Image 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"
3748

 

Early Slider Mechanism - Sliding Body
Click to Enlarge Image Blank. 4 1/2" high. Brass case. Brass shackle. Mfg by: Linus Yale Sr. Linus Yale Sr. Patent #18169.
"Courtesy Neil Pylant" 
2504
Click to Enlarge Image "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"
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9364
Click to Enlarge Image "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"
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8940

 

Early Slider Mechanism - Pivot Shackle
Click to Enlarge Image 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
Click to Enlarge Image Blank. 2 1/2" wide. Brass case. Brass shackle. Mfg by: Linus Yale Jr.
"Courtesy Neil Pylant" 
2304
Click to Enlarge Image "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
Click to Enlarge Image 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...
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"The Dayu Chen Collection"
8939

 

Current Pin Tumbler Mechanism
Click to Enlarge Image 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.
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"The Tom Hennessy Jr. Collection"
3750

 

Current Pin Tumbler Push Key Mechanism
Click to Enlarge Image "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" 
1608