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Reply to "GG 1 pantograph operation"

On a real pantograph the part that keeps the pan from leaning is known as the "equalizer bar". There are two of them, one on each side. On the same shaft one crank clevis goes up and the other down.  They are made of 1/4 X 2" flat bar. On the pans I worked on the equalizer bar, hole to hole, was 36" long. They are intended to bend and let the pan lean back to try to avoid additional damage if it snags anything in the overhead.  Without the equalizer the pan would be useless. 

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