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06-05-2021, 10:16 AM | #1 |
Junior Member
Join Date: Apr 2014
Location: Potomac Falls, VA
Posts: 10
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Split window regulator shaft
I am restoring a 31 coupe. From everything I read and see from the vendors, the window crank handles should be held on with a pin. As you can see in the picture, my regulator shafts have splits and no holes for a pin. Any idea about what car/year they may have come from? The windows operate fine. I just need to figure out where to drill holes for the pins.
Last edited by vangorde; 06-05-2021 at 11:13 AM. Reason: Correct typo and add photo |
06-05-2021, 10:18 AM | #2 |
Senior Member
Join Date: May 2010
Location: Oregon
Posts: 6,012
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Re: Split window regulator shaft
Put the handle on the shaft and drill through the hole in the handle.
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06-06-2021, 08:35 AM | #3 |
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Join Date: Dec 2014
Location: Shawnee, Ok
Posts: 3,471
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Re: Split window regulator shaft
Instead of drilling holes (which could weaken the shaft and cause it to break off) how about getting the handle with the allen head set screw
__________________
Keith Shawnee OK '31 SW 160-B |
06-06-2021, 11:21 AM | #4 |
Senior Member
Join Date: May 2010
Location: Oregon
Posts: 6,012
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Re: Split window regulator shaft
Does the split in your shaft use a thin wedge to keep the handles on? maybe like an anchor bolt or hammer head.
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06-08-2021, 09:20 AM | #5 |
Junior Member
Join Date: Apr 2014
Location: Potomac Falls, VA
Posts: 10
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Re: Split window regulator shaft
The old broken crank handles that I removed had set screws. The car had blue vinyl upholstery - probably installed sometime in the late 50's/early 60's when the previous owner drove it in college.
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06-06-2021, 01:11 PM | #6 |
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Join Date: May 2010
Location: Oregon
Posts: 1,379
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Re: Split window regulator shaft
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06-06-2021, 01:43 PM | #7 |
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Join Date: May 2010
Location: Huntington, NY
Posts: 274
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Re: Split window regulator shaft
The regulators with the split shaft were common to 28/29 cars that used standard (non scroll design) window cranks like Tudors, Pickups, Standard coupes. This is why those same handles, used all the way through production (and reproduction) have set screws as well as holes drilled for pins. With the 28/29 style regulators the point of the set screw would fit into the slot in the shaft and, when tightened, would spread the slot enough to "wedge" the shaft firmly into the handle. When the later regulators came into use, a pin would secure the handle to the shaft and both the shaft and handle would have holes for said pin. the difference in the regulator shaft design could have been due to cost or change in suppliers. I tend to go for cost saving as the early regulator had a thin, open semi circular gear that met with the gear in the handle mechanism whereas the later units had teeth cut out of a simple plate that mounted to the regulator arm. Precision gear vs plate with teeth cut out? Sounds like someone found a cheaper way to make the same item. Precision slot in each shaft plus the cost and tooling for a set screw vs 1/8" pin hole in shaft & handle??? No brainer.
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06-08-2021, 09:28 AM | #8 | |
Junior Member
Join Date: Apr 2014
Location: Potomac Falls, VA
Posts: 10
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Re: Split window regulator shaft
Quote:
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06-06-2021, 01:48 PM | #9 |
Senior Member
Join Date: May 2010
Location: Oregon
Posts: 1,379
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Re: Split window regulator shaft
That explains it! Thanks, bobbader!
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