Europe-based readers: While watching the company video for Ateliers Perrault, the French historical restoration firm that's working on Notre Dame, I saw this brief shot of a craftsman testing the latch for what looks to be a balcony door he's working on:
The latch rotates in two axes: First on the sagittal plane (i.e. like a bicycle wheel) on the pivot it's mounted to, then on the coronal plane (i.e. like a car's steering wheel) as the entire pipe that it's mounted to rotates.
This might be common in Europe, but I have never seen a latch like this here in the 'States; do any of you know what it's called? Here's a closer look:
Any help appreciated!
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