Window spring part broken. Pat #5,353,548

Question

Hello, I'm trying understand what part this is and what I should buy. I need both 7L and 7R version so please help me identify these. Thank you. It says Pat #5,353,548. Thank you!

Emily · Accepted Answer

Hi there!

The part shown in your photos is called a pivot shoe which looks like a match for the 15-087. I also recommend the S180-7 7-pound coil spring. Let me know if you have any questions!