Window cranks

A home owner from New paltz, Ny says:
Acorn windows/cranks when house was built in 1989.
Only markings on the cranks are the Acorn name. Measure
5 5/8 wide, 1 5/8 deep. Five windows, only four need
Cranks. Thank you
Lenora
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Tom from SWISCO responded:

Thanks for posting, Lenora. We should be able to supply a match for these operators, but your photos only show the base. We will also need to see the arms that physically open and close the windows. That will tell the other half of the story. Let me know whenever you can get those photos to me.

A home owner from New Paltz NY says:
Hello Tom, I am following up my wife's (Lenora) inquiry for window cranks. I have uploaded a few additional photos of the crank arms , in addition, qa photo of an Acorn glass sliding patio door handle. It has a locking mechanism with a lever on n the inside. We're wondering if you also have a replacement handle for our sliding glass door. The attaching screws are 3 3/8" apart.
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Tom from SWISCO responded:

Thank you! This operator looks very similar in design to our 39-188, and I do think this product is our best match, but there's one major and obvious difference: your link arm is much longer than ours.

That may be a problem. I just couldn't find anything with a link arm in that same size. You could try the 39-188 and see if it works as-is, but if not then the only solution we can recommend would be to swap the link arms between the old and new operator. You'd have to drill them out, then install your old link arm on the 39-188 operator using a 39-188 rivet, which must be hammered into shape. Would that work for you?

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