Metal deforming – By use of non-deforming work-gripping clamp and relatively... – Clamp structure constitutes sole initial metal-deforming...
Patent
1997-06-03
1999-08-10
Jones, David
Metal deforming
By use of non-deforming work-gripping clamp and relatively...
Clamp structure constitutes sole initial metal-deforming...
72446, 72413, 72478, B21D 504, B21D 1104, B21D 3704
Patent
active
059341343
ABSTRACT:
A bending press comprises an upper frame (6); a blank holding device (103) mounted on the upper frame, for holding a sheet panel on a member opposed to the blank holding device, the blank holding device including a central member (1), two extremity members (4,4'), and a plurality of additional members (3,3') disposed between the extremity members (4, 4') and the central member (1); a storehouse mounted on an upper section of the upper frame, for storing a plurality of central members, the storehouse including: an elongated carriage (141) supported on an upper section of the upper frame (6) so as to be movable in the lateral direction of the bending press, the elongated carriage extending in the lateral direction and being provided with a plurality of first vertical guides (151) arranged along a longitudinal axis of the elongated carriage, each of the first vertical guides being adapted to engage one of the central members so as to guide the same in the vertical direction, and a support surface (153) provided on the upper frame, for supporting the central members engaged by the first vertical guides so as to be slidable on the support surface in the lateral direction, the support surface being formed with a cutout section for permitting a central member located thereabove to pass through the support surface, the cutout section being formed substantially at the center of the lateral width of the bending press; a transfer device (11) for transferring the central member between the storehouse and the blank holding device, the transfer device including a second vertical guide (157) that extends between the cutout section and the blank holding device, for guiding a central member therealong.
REFERENCES:
patent: 4532792 (1985-08-01), Hongo
patent: 4660402 (1987-04-01), Hongo
patent: 4722214 (1988-02-01), Hayashi et al.
patent: 4856315 (1989-08-01), Salvagnini
patent: 4930332 (1990-06-01), Hongo
patent: 5642639 (1997-07-01), Codatto
patent: 5775156 (1998-07-01), De Rossi et al.
Amada Company Ltd.
Jones David
LandOfFree
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