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world famous bobski mystery thing, pic #133

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8 comments

  • cmd66
    That's look's like a hemmarrhoid puller.[:0]
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  • sarge_3ad
    Those are the hooks used to turn on those old really high mounted ceiling fans, like you would find in the general grocer stores years ago. Of course the hooks were mounted to a long wooden pole.
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  • bobski
    but isnt that what string was invented for?[:I][:p]
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  • FrancF
    found it- with drawings its a hinge.
    http://www.freepatentsonline.com/2199102.pdf
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  • sarge_3ad
    That was going to be my second guess. [:p][:p][:D][:D][:0][B)][B)]
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  • ripley16
    Looking it up using the patent number is almost akin to cheating.[V] Why didn't I think of that?[:D]
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  • bobski
    dad was a cabinet maker. bingo! we have a winner![:D]
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  • The Tinman
    It is a special tool for coupling and uncoupling hydraulic ducts. (http://www.freepatentsonline.com/6983959.html)

    Description on how the coupler works:
    4. The coupling according to claim 2, wherein in its inserted condition, starting from the opening of the first coupling element, an annular gap between the first coupling element and the second coupling element is formed, an unlocking sleeve passes through said gap and projects from the receptacle, said unlocking sleeve being axially displaceable on the second coupling element between a locking position and a releasing position, said unlocking sleeve has a second displacement face interacting, respectively, with the abutment faces of the locking elements such that moving the unlocking sleeve from the locking position into the releasing position moves the spring elements into their releasing position.
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