My casement window left hand side hinges was broken as pictures There are pattern number on hinges US Pat 4980947 Please help to find the right parts for replacement Thanks
Emily from SWISCO responded:
September 13, 2021
Hello!
Start by taking a look at our 36-048 or 36-049 2-bar hinge set. Look over the dimensions for each and compare them to yours to see if either of these match what you need.