Metal deforming – With means to drive tool – Including link-actuated tool support
Patent
1994-02-01
1995-10-17
Crane, Daniel C.
Metal deforming
With means to drive tool
Including link-actuated tool support
72403, 2924358, B21D 3902
Patent
active
054579813
ABSTRACT:
A press with both prehemming and final hemming tools or steels each driven by the same prime mover. Each steel is mounted on a separate carrier driven through separate toggle joints to advance and retract the steels for prehemming and final hemming of an upturned flange along an edge of a steel panel. To facilitate synchronizing the operation of at least two presses, the prime mover may be a screw and servo motor drive assembly.
REFERENCES:
patent: 2847051 (1958-08-01), Renard
patent: 3191414 (1965-06-01), Kollar et al.
patent: 3276409 (1966-10-01), St. Denis
patent: 3994152 (1976-11-01), Wolters
patent: 4706489 (1987-11-01), Dacey, Jr.
patent: 5005398 (1991-04-01), Evans
patent: 5005398 (1991-04-01), Evans
patent: 5083355 (1992-01-01), Dacey, Jr.
Automobile Engineer--vol. 55, No. 3, Mar. 1965, pp. 110-113, "Clinching Machines".
Brown Gerald A.
Hartley William R.
Jehmlich Mark P.
McNamara Jeffrey S.
Verzura John C.
Crane Daniel C.
Western Atlas Inc.
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