Biaxial travelling clamp for securing a tool to a press

Details Biaxial travelling clamp for securing a tool to a press Biaxial travelling clamp for securing a tool to a press

1996-07-16

1998-02-10

Jones, David

Metal deforming

Tool and/or tool holder

Having unitary tool-face

724816, B21D 3714

Patent

active

057157251

ABSTRACT:
The platen of a press which is provided with multiple longitudinally running T-slots for clamping a tool such as a die or mold to the platen has a frame secured to it which supports and guides a travelling clamp so that the travelling clamp can be moved laterally to serve any one of several T-slots in the platen. In one embodiment, a face drive unit has its motor fixed relative to the frame so as to drive the travelling clamp laterally. In another embodiment, the frame supports multiple travelling clamps and each clamp is provided with its own lateral drive along a frame which extends along the face of the press slide and is common to the travelling clamps. Brake cylinders maybe provided for fixing the travelling clamp to the frame during press operation.

REFERENCES:
patent: 4674315 (1987-06-01), Linz
patent: 4698894 (1987-10-01), Lingaraju et al.
patent: 4790174 (1988-12-01), Wendland
Exhibit 1--Enerpac.RTM. Press Support Systems brochure, "Complete Press Systems Integration", Pub. #9614-916, 3-96, admitted prior art.
Exhibit 2--Enerpac.RTM. Quick Die Change Products brochure, "Travelling Upper Die Clamp-Electric Drive", Pub. #9610-914, undated, admitted prior art.
Exhibit 3--Enerpac.RTM. Quick Die Change Products brochure, "Technical Data Electric Driver for Traveling Clamp TR***-*", Pub. #9605-911, undated, admitted prior art.
Exhibit 4--R2 Overview, R2S--Step Motor, pp. C-6 and C-7, undated, admitted prior art.

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