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Yale Linus Jr pin tumbler slider padlock patent US18169A

It all started with Yale Linus Jr and patent US18169A in 1857. Look how far we've come. Post your patents here, discuss prior art, new designs, and various mechanisms important to the lock and lock picking world.

Yale Linus Jr pin tumbler slider padlock patent US18169A

Postby Squelchtone » 6 Dec 2020 23:03

We owe a lot to this patent from 1857.

https://patents.google.com/patent/US18169

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I saw one of these locks on ebay once, it sold for a lot more than I had at the time.

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Re: Yale Linus Jr pin tumbler slider padlock patent US18169A

Postby MartinHewitt » 29 Jan 2021 15:22

And patent US3630 from 1844?
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Re: Yale Linus Jr pin tumbler slider padlock patent US18169A

Postby jeffmoss26 » 29 Jan 2021 19:14

I have seen one of those (in a framed display case) in person!
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Re: Yale Linus Jr pin tumbler slider padlock patent US18169A

Postby GWiens2001 » 29 Jan 2021 21:37

jeffmoss26 wrote:I have seen one of those (in a framed display case) in person!


Dang. Do you remember where?

Gordon
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Re: Yale Linus Jr pin tumbler slider padlock patent US18169A

Postby stratmando » 29 Jan 2021 21:46

I have a Yale Push Key Lock, I am unclear on both, what keeps the pins from going in the other chambers, I see the Ramp to push the pins back up.
Anyone able to explain.
Thanks
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Re: Yale Linus Jr pin tumbler slider padlock patent US18169A

Postby mh » 30 Jan 2021 0:46

stratmando wrote: what keeps the pins from going in the other chambers, I see the Ramp to push the pins back up.
Anyone able to explain.
Thanks


That ramp is just there to stop you from pulling further.

And the housing pins don’t go into other chambers, because the key pins are all at the shear line when the correct key is in place.

Can you pull the key out while the chambers are not aligned, but off by one or two? I guess that depends on the bitting, a straight ramp should not be used for a bitting.
"The techs discovered that German locks were particularly difficult" - Robert Wallace, H. Keith Melton w. Henry R. Schlesinger, Spycraft: The secret history of the CIA's spytechs from communism to Al-Qaeda (New York: Dutton, 2008), p. 210
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Re: Yale Linus Jr pin tumbler slider padlock patent US18169A

Postby jeffmoss26 » 31 Jan 2021 13:19

GWiens2001 wrote:
jeffmoss26 wrote:I have seen one of those (in a framed display case) in person!


Dang. Do you remember where?

Gordon


Of course! A private collection/museum :)
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Re: Yale Linus Jr pin tumbler slider padlock patent US18169A

Postby Squelchtone » 4 Dec 2022 18:07

I think I need to reach out to Lockmasters lock museum and see why they believe this padlock was from 1932 and the patent is dated as 1857.

See PDF page 13:
https://www.lockmasters.com/images/uploaded/LKM%20Lockmasters%20&%20Miller%20History%20Brochure.pdf

Also mentions the year 1832 in this video, which was narrated by Harry C Miller himsef, a man who I hold in high regard.
[youtube]https://www.youtube.com/watch?v=Mrylk1avjWs&t=115s[/youtube]

I wonder if the Yale family heir who sold the lock to Harry Miller mentioned the wrong year from a story passed down over the generations through the Yale family.

Anyone find any documentation that this design existed as early as 1832?

Thank you,
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