Press

Details Press Press

1999-05-14

2000-07-18

Jones, David

Metal deforming

With means to drive tool

Including link-actuated tool support

72319, 72323, 72403, 2924358, B21D 3902, B21J 918

Patent

active

060890746

ABSTRACT:
The press comprises a first generally-horizontal link (L1) below a second generally-horizontal link (L2). A third link (L3) extends down from the second link to the first link and carried a press tool (70) with a generally downwardly facing working surface. A fourth link (L4) is arranged to be driven by a first mechanism (DS, M2) to push the second link and thus the press tool generally forwards from a horizontally retracted start position to a horizontally advanced initial pressing position, after which the first mechanism is arranged to hold the position of the fourth link. A second mechanism (DS, C, L5) is arranged, when the position of the fourth link is being held, to pivot the first link to drag downwards the third link and thus drag the press tool generally downwards from the initial pressing position to a vertically lower final pressing position.

REFERENCES:
patent: 4706489 (1987-11-01), Dacey, Jr.
patent: 5005398 (1991-04-01), Evans
patent: 5050422 (1991-09-01), Dorsett
patent: 5083355 (1992-01-01), Dacey, Jr.
patent: 5272903 (1993-12-01), Evans
patent: 5457981 (1995-10-01), Brown et al.

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