Clamp pieces for lower frame assembly of blanking tool

Details Clamp pieces for lower frame assembly of blanking tool Clamp pieces for lower frame assembly of blanking tool

2005-06-14

2005-06-14

Goodman, Charles (Department: 3724)

Cutting

Tool or tool with support

Joint or connection

C083S859000, C493S074000

Reexamination Certificate

active

06904837

ABSTRACT:
A frame assembly for a lower blanking tool of a carton die cutting machine. The frame assembly includes a rigid outer frame, an inner grid comprised of a plurality of lengthwise and crosswise extending bars, and a plurality of clamp devices attaching the bars to the outer frame. Each clamp device includes an upright plate member in which is formed a substantially U-shaped upper cavity. A wedge is disposed within the cavity for sliding movement between clamped and released positions to rigidly hold the ends of the bars of the inner grid to the outer frame. In an alternate embodiment, the clamp has an upper and lower cavity together with upper and lower wedges which are simultaneously moved between clamped and released positions.

REFERENCES:
patent: 4131047 (1978-12-01), Schriber et al.
patent: 4187753 (1980-02-01), Walde
patent: 4913016 (1990-04-01), Frei
patent: 4920843 (1990-05-01), Stromberg et al.
patent: 2287035 (2001-04-01), None

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