Shearing machine

B - Operations – Transporting – 26 – D

Patent

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164/118

B26D 1/00 (2006.01) B23D 15/00 (2006.01) B23D 15/12 (2006.01) B23D 35/00 (2006.01)

Patent

CA 1180265

ABSTRACT OF THE DISCLOSURE A simple and low-cost adjusting means for adjusting the clearance between the upper and lower blades in a shearing machine. The lower limit of the stroke of the upper blade to the lower blade is adjusted by an adjustable cam member which is rotatably provided on a connecting rod connecting the ram member with a driving means. More particularly, the connecting rod is rotatably connected at one end thereof to an eccentric shaft driven by the driving means and is connected at the other end to the ram by means of the eccentric cam member. Also, according to the present invention, the ram member carrying the upper blade is kept horizontally biased by an elastic means such as a spring away from the lower blade and is so arranged as to be horizontally moved by a lead screw means against or by the elastic means.

403624

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