Metal deforming – With means to drive tool – With means to permit tool positioning
Reexamination Certificate
2005-05-03
2005-05-03
Crane, Daniel C. (Department: 3725)
Metal deforming
With means to drive tool
With means to permit tool positioning
C072S389300, C483S029000
Reexamination Certificate
active
06886386
ABSTRACT:
An apparatus for press brake punch transfer consisting of a carriage; a plurality of rollers supporting the carriage and facilitating lateral rolling motion of the carriage; a press brake punch support bed having rollers facilitating longitudinal press brake punch movement; a plurality of screw actuated telescoping quills interconnecting the press brake punch support bed and the carriage, the quills facilitating vertical movement of the press brake punch support bed; laterally paired and longitudinally extending walls defining in combination with the press brake punch support bed, a press brake punch support channel having a lateral width; and a plurality of jack screw actuators spanning between and interconnecting the laterally paired and longitudinally extending walls, the jack screws being adapted for alternately increasing and decreasing the press brake support channel's lateral width.
REFERENCES:
patent: 4188815 (1980-02-01), Mizushima
patent: 5146774 (1992-09-01), Smith
patent: 5366431 (1994-11-01), Smith et al.
patent: 5410904 (1995-05-01), Hirata et al.
patent: 6656099 (2003-12-01), Akami et al.
patent: 2-220715 (1990-09-01), None
Crane Daniel C.
Davis & Jack, LLC
Jack Kenneth H.
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