Reversible double deadbolt mortise latch

Contractor from Boulder, Colorado
Sep 6, 2022 6:39 pm
Need a new replacement for this storm door latch USPTO #7871112B2
2 user uploaded images
6 Replies

Tom from SWISCO
Sep 9, 2022 9:41 am


It's tough to make out your mortise from these photos, as I cannot see the whole thing, but the design is very similar to our 40-191. I would start by examining this part to see how well it compares to your original.

Alternate image for 40-191

Contractor from Boulder, Colorado
Sep 9, 2022 2:06 pm
Thanks Tom. The size is different and the cylinders don't match up. I will keep looking.
Have a great weekend. Thanks!
Have a great weekend. Thanks!

Tom from SWISCO
Sep 9, 2022 2:39 pm


That's too bad. Good luck in your search and this project, though, and I hope you have a good weekend as well!

Quick Learner from Kentucky
Jun 10, 2024 8:31 pm
I have that EXACT same lock on my storm door. I took the lever to the hardware store as I thought I needed a set screw to tighten and I have lost the handle. Have you discovered the manufacturer?
2 user uploaded images

Tom from SWISCO
Jun 12, 2024 9:22 am


I'm afraid we never received more information on this handle set. At this stage all I can tell you with confidence is that we don't sell a product with the same design. I'm very sorry for the inconvenience.
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