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Pivot pin for Brosco window

A handy person from Chester, CT says:
This is the pivot pin from a Brosco window dating to about 1987. I have several of these with the pin (that engages the balance) broken off. I need to find a source for replacements or another solution.

The item is about 1 inch long and looks like cast aluminum. It has the number 8959 embossed on the underside.

I called Brockway-Smith; they offered no help, no support, no suggestions, and no sympathy.

Additional info on the pivot pin: The photo shows a functional item; the broken off part might be a gauge for installation. The vertical part is the pin (in tact in the photo but broken off on several of my windows) that engages the spring balance. It has a spade shape to operate a clutch in the balance when the tilt window is tilted.
User submitted photos of window hardware.
Profile picture of Tom
Tom from SWISCO responded:
Thank you for posting. I'm afraid I'm having trouble identifying this pivot bar. I'd like to see one still installed in the sash, preferably undamaged. I think that would help us locate a replacement.
A quick learner from Chester, CT says:
Tom,

I am adding 3 photos of the pivot bar installed on a sash, per your request.

Thank you,
Don
User submitted photos of a pivot bar.
Profile picture of Paul
Paul from SWISCO responded:
Thank you, Don. This clears a lot up, but we're still having trouble finding exactly what you need. Do you think I could also see the pivot shoe? I hate to keep having you run around, but this is such a weird pivot bar that I want to make sure we get it right. Let me know!
A handy person from Chester, CT says:
Per your request, I have attached 5 photos showing the shoe removed from the window track. (Note that this is not the part that needs to be replaced.) All photos show the track removed from the jamb and one of the shoes removed from the track. The other shoe can be seen in its normal position. Note that the shoes are handed. They are 1 1/8 inch long. I don't see any numbers or letters stamped on the casting.

Please let me know it you need any more info.

Don

The shoe attached to the counterbalance spring. The spring and shoe at the bottom are lying just above their normal position (out of the plane of the photo). The shoe in the other track above is in its normal position. It is cocked, locking it in place when the sash was removed. When the sash for the upper show is replaced, it pulls the shoe down (in the photo), pulling it away from the side of the track and unlocking it.
User submitted photo of their Brockway window part.

Same as above but shoe and spring displaced for clarity.
User submitted photo of their Brockway window part.

Shoe disengaged from spring.
User submitted photo of their Brockway window part.

Shoe turned over. Looking at the side normally closest to the jamb.
User submitted photo of their Brockway window part.

A rotation of the above view. Again, the side shown is normally against the jamb
User submitted photo of their Brockway window part.

Here is one more photo: an end view of the balance track
User submitted photo of their Brockway window part.
Profile picture of Tom
Tom from SWISCO responded:
Ah, thank you for these images. Unfortunately, we have not been able to find anything that can replace these pivot bars. I have looked high and low without any luck. I'm sorry to keep you waiting so long. I wish there was more I could do, but I'm afraid that we cannot replace these.
A handy person from Chester, CT says:
Thomas,
Thanks for all the effort.
This is a real black mark for Brosco; I wont buy any of their products in the future.
Don
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