A pantograph (Greek roots - all, each and - write, from its original use to copy writing) is a mechanical link connected in a way based on parallelograms so that the movement of a pen, Image, produces identical movements in a second pen. If a line drawing is drawn by the first point, an identical, enlarged, or miniaturized copy will be drawn by a pen attached to the other. Using the same principle, different types of pantographs are used for other forms of duplication in areas such as sculpture, minting, etching and milling.

Due to the ....etc

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hydeaulic floor jack design pdf

This is a 1 1/4 ton hydraulic floor jack my father passed on to me. He bought it new during the 1970s. It began to leak down a little a few months ago. The lift arm no longer rises when the handle is pumped up and down. (I was able to pull the lift arm up by hand and it settled slowly enough that I could make a photo with the arm partially raised.)

I checked to be sure it was adequately filled with fluid, but that was not the problem. A few months before this problem, there were bubbles coming up through the ....etc

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DEAR MY FRIEND
I am a student of university.I am a student teaching in a small company. I have a project about How can we select or design a pantograph jack for an automotive.
My question is how do we calculate the MIN COURSE , MAX COURSE and nominal load ?
THANK YOU IN ADVANCE
A.MOHEB ....etc

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