What the heck is this called?

Discussion in 'Clock Repair' started by catbelly, Jan 13, 2020.

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  1. catbelly

    catbelly Registered User

    Sep 30, 2019
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    Hey all, fresh off fixing that old French clock (which is still going great!) I've taken on a new project of a West German cuckoo clock. The movement looks fairly common, but I've encountered this type of fastener holding the works together which I've never seen (see pic), it's like a little crab claw.

    What is this type of fastener called? It seems like it might just pull off, but want to understand if it's reusable etc before yankin on it...

    IMG_20200113_213954.jpg
     
  2. Chris D

    Chris D Registered User
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    Oh man, this is too funny! Bangster, one of the mods here, calls them "crabby clips"! So you hit the nail on the head. They are reusable and there are tools to take them off. Some have made their own and some of us have purchased them online. Basically just a small snap ring plier. There are other methods like a perfectly sized flat screwdriver to open them a hair and lift them off or even punching the shaft through the clip, just need to support the plate. The Sawmill clock will be a challenge, going to learn a lot. I'll post a pic of the tool in a few minutes.

    IMG_20200113_233431.jpg
     
  3. Willie X

    Willie X Registered User

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    #3 Willie X, Jan 13, 2020
    Last edited: Jan 13, 2020
    Like this ... the blade has to be exactly the right angle and thickness. And leave the faces coarsely ground; the tool needs some 'tooth' to work properly. I usually pry the lock up a mm or two before using the spreader.

    Just push the tool into the "crabby clip'' and slip it straight up and off.

    Note that sweet bushing work . :) Willie X

    20190214_135724.jpg
     
    catbelly likes this.
  4. John P

    John P Registered User
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    Here's how I do it, tap on that shaft from the back of the movement until the clip starts to come up a bit. Then with needle nose pliers, get under it and work it up and off. Be carefull not to damage it and you can re use it later or order a package of new clips.
     
  5. catbelly

    catbelly Registered User

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    I'm impressed you figured out the type of cuckoo clock from that picture, it does have a sawing guy which I assume is why you call it a sawmill.

    Thank you and everyone else for the tips on removing the crabbies...
     
  6. shutterbug

    shutterbug Moderator
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    Oct 19, 2005
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    Those little clips don't lock into a groove like e-clips do, so slipping them off in any of the above ways will work. But they are often ruined, so supply houses have them.
     
  7. R&A

    R&A Registered User

    Oct 21, 2008
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  8. shutterbug

    shutterbug Moderator
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  9. bangster

    bangster Moderator
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    I hate them. Inventions of the Devil. I don't try to be kind to them. Pry them off any old how. Then use parallel jaw pliers to mash them more or less flat . Put them back on with a hollow punch.
    Argh!
     
  10. TEACLOCKS

    TEACLOCKS Registered User
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    Mar 22, 2005
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    Maybe these :???:??

    Snap ring pliers.JPG
     

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