TRUTH WINDOW SPLIT ARM OPERATOR

A quick learner from CLARENDON HILLS ILLINOIS USA says:
TRUTH
RH 45136

US PAT 4505601
PAT CANADA 1986
UK PAT.2135397

please help find part i am struggling to locate it. it may be maxim? but i can't confirm

William
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
Hi William. Please compare your measurements of your operators to our 39-315 and 39-316 to see if these could be a good match for you. Let us know how you made out!
How to Replace a Discontinued GU Operator
How to Replace a Discontinued GU Operator
VIDEO
WATCH >
Anatomy of a casement window
Anatomy of a casement window
VIDEO
WATCH >
How to identify casement and awning operators
How to identify casement and awning operators
GUIDE
READ >
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 3-4 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at (888) 991-1929 or at help@swisco.com.