Device and method for securing a punch tool to a ram portion...

Details Device and method for securing a punch tool to a ram portion... Device and method for securing a punch tool to a ram portion...

2007-01-30

2007-01-30

Jones, David B. (Department: 3725)

Metal deforming

Tool and/or tool holder

Having unitary tool-face

C072S481100, C072S389300

Reexamination Certificate

active

11261301

ABSTRACT:
A device (10) for securing a punch tool (6) to a ram portion (8) of a press brake includes an upper portion (12) having opposing front and back outer recesses (14) and (15) extending longitudinally from a first end wall (16) to a second end wall (18), the outer recesses (14) and (15) being configured to snugly receive a corresponding inner wall (20) protuberance (22) of a clamp portion (21) of the ram portion (8) of the press brake as the upper portion (12) is grasped and “squeezed” by the ram portion (8) during operation of the press brake. The device (10) and the punch tool (6) attached thereto, are supported by the protuberance (22). A lower portion (24) of the device (10) includes an inner recess (26) that snugly receives a corresponding upper portion (28) of the punch tool (6). The upper portion (28) of the punch tool (6) is removably secured to the lower portion (24) of the device (10) thereby promoting the quick substitution of punch tools (6) having varying lower portion (52) configurations and identical upper portion (28) configurations.

REFERENCES:
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patent: 5245854 (1993-09-01), Bruggink et al.
patent: 6494075 (2002-12-01), Pelech, Jr.
patent: 6516649 (2003-02-01), Mika et al.
patent: 6644091 (2003-11-01), Huang et al.
Wila USA Catalog—p. 19.

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