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Thread: Adjustable ruler marking gauge - video

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    Jon
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    Adjustable ruler marking gauge - video

    Adjustable ruler marking gauge. By JSK-koubou. 15:32 video:


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    Supporting Member mklotz's Avatar
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    The need to readjust the slot width can be avoided by making the locking screw perform an automatic adjustment every time a scale is locked in place.

    My version...

    Adjustable ruler marking gauge - video-mark-out-1.jpg

    uses an angled brass sleeve on the locking nut...

    Adjustable ruler marking gauge - video-mark-out-2.jpg

    As the locking screw is tightened down, the brass angle forces the scale against the fixed stop (also angled) on the cross bar.

    A closer look at the brass sleeve...

    Adjustable ruler marking gauge - video-mark-out-3.jpg

    The second threaded hole on the cross bar allows it to be used with a wider 12" scale.

    A slight variant of this idea was used on my marking out tool...

    Marking out tool

    where a steel bar replaces the scale.

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    Last edited by mklotz; Aug 26, 2022 at 12:15 PM.
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    Supporting Member mklotz's Avatar
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    A better picture of the locking mechanism...

    Adjustable ruler marking gauge - video-mark-out-2.jpg

    and, for comparison, the arrangement used on the earlier device...

    Adjustable ruler marking gauge - video-markout2.jpg



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    Regards, Marv

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