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Old 25th July 2020, 05:07 PM   #1
rickystl
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Default Early 17th Century Scandinavian Gun Lock

Hello ALL

For you arcanine lock enthusiasts here is one of the more interesting, and curious locks I've seen. I won this lock (and two other different ones) in a German auction a couple months ago.
It's in virtually pristine condition. Appears the frizzen has never been struck. There are two threaded holes on the lock plate which tell me the lock was either mounted to a gun, or was prepared to, but never was done (?) Threads look to be in new condition. The Auction description was per the title above. The lock is unmarked. Beautiful chisel work throughout.
Usually these snaplocks are simple in design. But this one is quite innovative. One mainspring operates both the hammer and frizzen. The frizzen has a spring loaded safety feature and a sort of waterproof pan feature. The rear of the hammer has pin that acts as a hinge that doesn't fall off even when the top screw is removed. The square top screw looks like a carry over from the wheellock period. The lock is a forging and is in perfect working order with a strong spring. With the innovations, I'm hesitant to date this lock. But I'm guessing the first half of the 17th Century. We do know these Scandinavian snap locks remained popular for a longer period of time than expected.
Now here's the really curious part: The sear spring and sear catch are one piece. There is no trigger bar or mount for same on the lock plate. And there is no evidence there was one ever made. So how was this lock fired ? Hmmmm. Can you guys figure this out ? Since the lock looks like it was never in use, I wonder if this was just a styling exercise by some locksmith ? But then why bother making threaded holes for mounting ? The lock is certainly very high quality and well made. Picture heavy so you can view the many little details. Thanks for any help.

Rick
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Old 25th July 2020, 05:08 PM   #2
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MORE PICS............
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Old 25th July 2020, 05:10 PM   #3
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LAST TWO.........
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Old 25th July 2020, 05:23 PM   #4
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Default sear details needed

Hey Rick,
This is quite remarkable. Am hitting the books right now but to address your question on how this thing was actuated when on the gun, please post a top view, looking straight down, of the sear spring / bar in relation to the lockplate. A bottom view from a similar direct vertical angle might be useful, too. Thanks!
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Old 25th July 2020, 07:09 PM   #5
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Hi Philip

Thanks for your reply. See below......

First thought was that the top of the trigger (above a pivot) or an intermediate piece would wedge between the lock plate and the sear bar forcing it inward but it looks like the wedge might hit the portion of the sear going into the lock plate before it could move far enough to disengage it.

Maybe some strange horizontal moving ball style trigger ? Duno. LOL The last photo here shows the lock in the cocked position. You can see the sear catch protruding through the lock plate - like a snaphaunce.

Rick
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Old 25th July 2020, 07:31 PM   #6
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What do you think of this...

Imagine a trigger similar to that used on all the later, mature flintlock designs, an L-shaped thing pivoting at the corner, with the horizontal arm moving up as the trigger itself is pulled backwards.

On the horizontal arm, there is an offset vertical wedge-like extension that fits in the V-shaped space between the inside of the lockplate and the end of the sear spring / bar unit. The offset is to bridge the space between the central axis of the stock, where the trigger hangs, and the interior of the lock recess, it's only a fraction of an inch.

As it moves upward, the wedge goes up with it and spreads the sear from the lockplate enough to withdraw the sear nose enough to release the tail of the cock.
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