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Thread: Need Help Identifying this Jorgensen Clamp (see attached pictures)

  1. #1
    Join Date
    Jan 2021
    Location
    Mission Viejo, CA
    Posts
    7

    Need Help Identifying this Jorgensen Clamp (see attached pictures)

    6EA12A2E-DCA3-45B0-B876-6C92EA5CBEE9.jpgD7C2BF6C-A64F-4C84-84E3-B59D05A44878.jpegWas on a recent rust hunt and came across this Jorgensen clamp that I canít remember ever seeing before. The bar says ďJorgensen #3618 made in the USAĒ and then in very small print near the base of the spring-tensioned lever (sorry if Iím using the wrong terminology) it says ďPatent Pend. 3704Ē. Iíve been scouring the internet and canít seem to find any similar images so now Iím a bit more curious about its history. Or, maybe it was a total dud and never received a patent. Any help or insight would be much appreciated. I always love to learn.

  2. #2
    The lever quick release was sold seperately to be added to the clamp. I had some, found them to be a knuckle buster, gave them away.

  3. #3
    Join Date
    Jul 2007
    Location
    NE OH
    Posts
    1,567
    I have three of them (must have been all they had wherever I bought them; don't think I would buy an odd number on purpose). Guessing it must have been at least 20 years ago. Pretty sure they predate the common style of quick clamps that are everywhere today. Mine say 3701 on the fixed jaw, 3703 on the movable jaw, 3704 on the lever mechanism, and 3712 (probably 12", yours may be 18") on the bar. As John said, the lever mechanism snaps on/off.

    I don't use them that often, but when I need a few extra smaller clamps, they work fine for me.
    --Certainty is the refuge of a small mind--

  4. #4
    Join Date
    Jan 2021
    Location
    Mission Viejo, CA
    Posts
    7
    Thanks John. I had a suspicion that it might have been an add-on but didnít want to try prying it off only to find I had dismantled part of something that wasnít supposed to be taken apart. Story of my life..... Iím excellent at demo, putting back together is an entirely different ballgame.

  5. #5
    Join Date
    Jan 2021
    Location
    Mission Viejo, CA
    Posts
    7
    Thanks for taking the time to look through your inventory and provide this helpful detail.

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