Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path
Reexamination Certificate
2008-04-29
2009-06-30
Jones, David B (Department: 3725)
Metal deforming
By relatively movable offset tool-faces
With tool motion in fixed path
C072S389300
Reexamination Certificate
active
07552613
ABSTRACT:
A bending machine has a base and a stage having a movable ram to press a metal plate on the base with a shaping process. The base has an opening corresponding to the ram to allow the ram to pass through the opening. The stage has a pivotal end mounted pivotally with a side of the base, and a detachable end detachably mounted with the other side of the base and adjacent to the opening of the base. When a shaped metal plate tightly clamps the ram, the detachable end of the stage can be detached from the base, the stage can be pivoted to release the ram from the metal plate. Thus, to disassemble the bending machine is unnecessary, and the bending machine is convenient in use and operation and is simple in structure.
REFERENCES:
patent: 3552179 (1971-01-01), Kapustin
patent: 6176115 (2001-01-01), Van Ryper et al.
Cooper & Dunham LLP
First Forever Co., Ltd.
Jones David B
Pelton, Esq. William E.
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