Mystery Drilling Machine
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  1. #1
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    Default Mystery Drilling Machine

    I purchased this seven arbor hand drilling machine as part of a lot of tools and would like to identify what it was used for. Any help would be appreciated. Thanks, Mark
    Attached Thumbnails Attached Thumbnails img_0052.jpg   img_0053.jpg   img_0054.jpg  

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    I really have no idea but the first thing that comes to mind is cabinet production - a way to drill holes for wooden dowels to fit cabinets/furniture together.

    FWIW

    -Ron

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  4. #3
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    Uhm…."To drill qty (7) holes at one time".....duh

    Seriously,

    Think gas burner pipe, does the spacing look like that ?
    Last edited by digger doug; 08-28-2019 at 08:31 AM.

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    For drilling chair seats to be caned.

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    The bottom has a clamping feature that looks like it would clamp a flat board or something flat. The drill spacing is fixed. It's very cool and all gears are free I just have no idea what it's for.

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    For drilling wire holes in wooden fence posts?

    There is a thread here:
    Cutting a coarse left hand thread.
    which describes a completely different fence post boring machine dating from WW1 period, but the spacing of the drills (actually augers in this case) appears to be similar. The machine was restored by a forum member. It has a very ingenious quick return mechanism, using a fine right hand thread on the feed screw for drilling, and a coarse left hand thread on the same screw for the drill withdrawal.

    Unfortunately I don't think you can see the many photos without joining the forum. The descriptions become much clearer when you can see the photos!

    franco

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  10. #7
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    Arm exerciser.....

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    The machine was found on a farm near Baltimore so it might be related to that.

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    For drilling the side rails of wooden chicken crates to insert the dowels.

    allan

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  15. #10
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    My BWAG (Best Wild-Assed Guess) ....

    For drilling holes for pivoting louvers such as used in functional window shutters and similar items.

  16. #11
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    Perhaps some sort of book binding application.

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  18. #12
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    I think you’re onto something! Plantation shutters would be about the right size.

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    The machine Franco linked to is my project and I must say that Marks machine is the nearest to my concept that I've ever seen. But I'm not sure it's for boring fence posts because it doesn't look like there is clearance at either end for the post to extend past the uprights. I've attached two photos of my replica, but don't want to hijack this thread because I'm very keen to see the result of Marks enquiries.
    Cheers,
    Geoff.
    Attached Thumbnails Attached Thumbnails stevenson-multi-bore-011.jpg   stevenson-multi-bore-013.jpg  

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  21. #14
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    I like the chicken-crate idea....Also possibly for making wooden flutes. I would guess the hole-spacing is adjustable...Do the bevel pinions have setscrews?


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