Compliant mechanism. Hinge design.

I am looking for a (compliant mechanism) alternative for my current spring retent hinge design.

Looking for a lower cost to produce, and i believe a CM hinge could possibly work, and have fewer ops(mfg operations). Is it possible to have an alternative to my current design that is simpler to produce, and can withstand the same operating conditions. Hot and cold cycles. Exposure to elements. Weldable. Ready for lase. Few Ops. Are you good at making something simpler to produce and still nice looking. I don't know if a compliant mechanism can work for this so other idea's are welcome, but that is the primary focus. I do not know how to calculate for a CM at all. Heat ranges up to 700f range. Prelims? Can you sketch your idea and know the calcs if i give you the figures? Have you made compliant mechanisms before? Please show a sample.

Sample files are current hinge design. Pin and torsion spring not shown. Render of hinge exploded view next to mounting surface.

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