Press with a device for detecting a mutual reference...

Details Press with a device for detecting a mutual reference... Press with a device for detecting a mutual reference...

2007-01-30

2007-01-30

Larson, Lowell A. (Department: 3725)

Metal deforming

With use of control means energized in response to activator...

Sensing tool or tool-linked part

C100S050000

Reexamination Certificate

active

11197770

ABSTRACT:
Devices are provided for detecting a mutual reference position of tool parts of a pressing tool, e.g., a punch and die. The device include (a) first and second reference elements that are moveable, by the pressing device, into a relative position that corresponds to a predetermined relative position of the first tool part and the second tool part as mounted in the mountings; (b) a control pressure generator that generates a control pressure when the first and second reference elements are moved into the relative position; (c) a switch that is activated by the control pressure; and (d) a detection unit that is activated by activation of the switch to detect the relative position of the first and second reference elements.

REFERENCES:
patent: 3587360 (1971-06-01), Oxenham
patent: 5031431 (1991-07-01), Naito
patent: 2005/0271485 (2005-12-01), Kouno et al.
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Heckel, “Optische 3D-Kontuerfassung und on-line Biegewinkelmessung mit dem Lichtschnittverfahren”, Carl Hansen Verlag , Munich Wien, Jan. 30, 1995.
Partial translation of AQ.

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