Flying cross cutting shear for plate

Details Flying cross cutting shear for plate Flying cross cutting shear for plate

1977-02-17

1978-08-01

Schran, Donald R.

Cutting

Cutting motion of tool has component in direction of moving...

Tool carrier shuttles rectilinearly parallel to direction of...

83628, 83635, 83328, B26D 156

Patent

active

041035763

ABSTRACT:
A cross-cutting shear of the type where the nip formed between the blades travels in the direction of movement of the material being sheared is driven by a single crankshaft. The upper blade is attached to the crank portion of the crankshaft, and the sliding motion of the blade-carrying carriage is provided by cam discs mounted on the crankshaft and acting against rollers in a stationary frame. The crankshaft is journalled at each end in links pivotally attached to the bottom part of the blade carriage. The guide links are free to pivot independently of the blade carriage. By this construction, reaction loadings are prevented from being transmitted through to the stationary housing, when a shearing action is taking place.

REFERENCES:
patent: 3211037 (1965-10-01), Diolot
patent: 3581616 (1971-06-01), Kawae et al.
patent: 3811354 (1974-05-01), Ito

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