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      CommentAuthorNick
    • CommentTimeJul 19th 2009 edited
     
    In this series of tips for making tools mobile, I’ve saved what I consider to be the best for last. “Wedge Jacks” are versatile enough to be used for any tool, no matter how large. I have lifted and leveled a Southbend Engine Lathe with ten of these suckers. Of course, for Tools of a Reasonable Size, you’ll only need four.

    The device consists of two simple wedges fastened together with a cam. To use a wedge jack, place it under a tool stand and rotate the cam lever. As you do so, one wedge will slide up the inclined plane of the other, lifting the stand off its casters. The advantage of this system is that it requires no lifting, levering, or pounding to install or remove. Just flip a lever. They’re simple to make and can be sized to fit under almost any stand. And, as I mentioned above, they can also be used as leveling devices.

    If you find yourself tripping over the extended cam levers, you can use them in combination with blocks or supports. Insert the wedge jack under the tool stand, throw the lever, and raise the stand. Insert a block under the stand next to the wedge jack, throw the lever back, and lower the stand onto the block.

    With all good wishes,
    Nick

    PS To give credit where credit is due, Jim McCann collaborated on this invention and built the first wedge jacks.
      Wedge_Jack.jpg
      Wedge_Jack_Plans.jpg
    • CommentAuthorBeeg
    • CommentTimeJul 21st 2009
     
    OH WOW, you did leave the best to last. Thank you and Jim for that.
    • CommentAuthorJPG40504
    • CommentTimeJul 21st 2009
     
    OK! What does it look like in the area UNDER the gizmo being "lifted"? What/how does the metal bar attach to the upper(other) wedge?
    •  
      CommentAuthorNick
    • CommentTimeJul 21st 2009
     
    "What does it look like in the area UNDER the gizmo being "lifted"?"

    It's dark.

    "...how does the metal bar attach to the upper(other) wedge?"

    A bolt.

    WAGW, Nick
    • CommentAuthorJPG40504
    • CommentTimeJul 22nd 2009
     
    Shoulda been asked question - how does the cam cause the upper wedge to move? I do not see the motion as a result of rotating the cam. i.e. I am in the DARK!
    •  
      CommentAuthorNick
    • CommentTimeJul 28th 2009
     
    Sorry it took so long for me to get back to you. Wanted to do your answer up right. You know the equation -- P/1000=W.

    With all good wishes,
    Nick
      Wedge_Jack.gif
    • CommentAuthorJPG40504
    • CommentTimeJul 28th 2009
     
    THANK YOU! Was I having a 'Senior moment'? I do NOT recall the plans in the original post!
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