Shearing machine

Details Shearing machine Shearing machine

1982-05-26

1984-08-07

Yost, Frank T.

Cutting

Means to drive or to guide tool

Means to change datum plane of tool or tool presser stroke

83622, 83632, 83640, B23D 1512

Patent

active

044636423

ABSTRACT:
A shearing machine is disclosed which includes a first lower blade and a second lower blade positioned at right angles with respect to each other. A ram is provided which is swingably movable upwardly and downwardly with respect to the lower blades, the ram including a first upper blade and a second upper blade positioned at right angles with respect to each other. A drive drives the ram upward and downward with respect to the lower blades and connecting rods couple the drive to the ram. An adjusting mechanism is coupled to the ram and the connecting rods for adjusting the lower limit of the stroke of the ram. Furthermore, the machine includes adjustors for adjusting the horizontal clearance between the upper and lower blades when the ram is in its lowered position.

REFERENCES:
patent: 2303760 (1942-12-01), Rafter
patent: 2605836 (1952-08-01), Messick
patent: 2645287 (1953-07-01), Munschauer
patent: 3033055 (1962-05-01), Hahnel
patent: 3282141 (1966-11-01), Gautron
patent: 3616719 (1971-11-01), Tassie
patent: 3893361 (1975-07-01), Harris
patent: 3942400 (1976-03-01), Roch
patent: 3968714 (1976-07-01), Kuchyt
patent: 4241631 (1980-12-01), Salvatore
patent: 4354411 (1982-10-01), Griese et al.

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