Cutting – Means to drive or to guide tool – Convertible from tool path to another or from implement to...
Patent
1979-03-05
1980-09-09
Meister, J. M.
Cutting
Means to drive or to guide tool
Convertible from tool path to another or from implement to...
83628, 83902, 83916, B23D 2700
Patent
active
042211476
ABSTRACT:
A sheet metal cutting attachment for a machine tool of the type including a rotatable chuck driven from a source of power and with the rotatable chuck supported in a bearing structure for rotation around a vertical axis and with the machine tool including a bed portion having a horizontal plane surface spaced from the rotatable chuck, including an elongated body member including a first end formed as a bearing support and a second end formed as a support for a cutting tool and with the body member including means for mounting the body member on the bed portion of the machine tool and with the first end adjacent the rotatable chuck and the second end overhanging the edge of the bed portion, an eccentric drive member including a shaft portion including oppositely disposed ends for rotatable support by the rotatable chuck of the machine tool and the bearing support of the body member end and including an integral eccentric center portion, the cutting tool formed as a concentric sliding punch and die set and with the punch and die supported by the second end of the body member, and a connecting rod coupled at one end to the eccentric center portion of the eccentric drive member and coupled at the other end to the punch and with the connecting rod converting the eccentric rotary motion of the eccentric center portion to a sliding motion for the punch.
REFERENCES:
patent: 2214584 (1940-09-01), Haydenburg
patent: 2387411 (1945-10-01), Schmidt
Meister J. M.
Schwartz Charles H.
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