Re: BigKev
Posted by HH56 On 2023/2/13 16:02:19
From the looks of them I would say the hubs are fixed since there does not appear to be much of a retaining or bearing arrangement.
Looking at your window frame the inner surface of the hub would be well greased and insert thru the two wide access spaces on the frame so the wide end would ride on the inside of the channel. Against the outside of the channel would ride a piece of greased leather. Question would be if the leather is the only thing there or is the leather some kind of assembly somewhat compressible or is something else needed in addition to leather. I think to avoid rattles there would need to be some way to keep some tension on the leather so everything is kept lightly compressed against the frame.
Later models have a different construction but it is the same principle. On those it was a combo of spring loaded rounded washer on one side of the channel and on some models a rounded washer only but on others both a flat and leather washer to ride against the channel on the other side. Everything was held onto the stud by a hairpin clip.
With the solid one piece hub and no clip on yours, unless the leather is just the exact thickness to do the compression I think you could get a thin curved disc spring with a large enough hole to go on first. Have that press against the arm and then have a piece of leather with a small hole in the center large enough for the hub shaft go on next for the outside of the channel. The leather would probably need a slit or maybe an actual slot across the center just the width of the hub end so it could be worked over the hub. If you went with the curved spring not sure how much tension would be needed but doubt very much.
Attach file:
curved spring.jpg (14.99 KB)
Looking at your window frame the inner surface of the hub would be well greased and insert thru the two wide access spaces on the frame so the wide end would ride on the inside of the channel. Against the outside of the channel would ride a piece of greased leather. Question would be if the leather is the only thing there or is the leather some kind of assembly somewhat compressible or is something else needed in addition to leather. I think to avoid rattles there would need to be some way to keep some tension on the leather so everything is kept lightly compressed against the frame.
Later models have a different construction but it is the same principle. On those it was a combo of spring loaded rounded washer on one side of the channel and on some models a rounded washer only but on others both a flat and leather washer to ride against the channel on the other side. Everything was held onto the stud by a hairpin clip.
With the solid one piece hub and no clip on yours, unless the leather is just the exact thickness to do the compression I think you could get a thin curved disc spring with a large enough hole to go on first. Have that press against the arm and then have a piece of leather with a small hole in the center large enough for the hub shaft go on next for the outside of the channel. The leather would probably need a slit or maybe an actual slot across the center just the width of the hub end so it could be worked over the hub. If you went with the curved spring not sure how much tension would be needed but doubt very much.
Attach file:
curved spring.jpg (14.99 KB)This Post was from: https://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?post_id=253904