SWISCO - The Replacement Hardware Authority

Sliding door latch assembly

A quick learner from Sandy, Oregon says:
A small coil spring inside broke. The assembly cannot be disassembled and reassembled easily. Canadian patent number 919213. Patent date 1973. Additional patent number 3596954. A number stamped on the body of the latch module reads 683, which I think is a serial number.

I would purchase two (2) new assemblies that require no modification to the existing door or installation pockets.
User submitted photos of patio door hardware.
Profile picture of Dave
Dave from SWISCO responded:
Take a look at our 82-218 mortise lock and see if this could work for you as a replacement.
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