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If one has, as previously described, a pair of scissors or EMT type shears that have a loosened pivot and are worthless because of the loose pivot you can try this:
If there is no pivot screw to tighten and it's a machine swaged or press fit pivot one can try re-hammering the pivot pin.
First get some oil in the joint then try a couple taps with a flat hammer and see if it's tighter.
Place the other side of the pivot down on a solid surface preferably a flat chunk of steel then take two taps and then check, repeat and try again until the fit seems right.
Start with very light hammer taps.
It's easy to make the scissors completely not movable too.
If ya do that, the fix goes like this, drill out pivot, take measurement of pivot bore then turn a piece of 303 stainless steel on the lathe with head of correct diameter of head, cut to correct length, place in scissors with pre-greased pivot bore and joint then peen over the head.
A washer under the peened side helps with contact area. Be sure to allow for this in the pivot length.
Or just throw out the scissors.
This is why I say go carefully when hammering.
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