Metal deforming – By plural tool-couples – With means to feed work between plural tool stations
Reexamination Certificate
2006-04-25
2006-04-25
Crane, Daniel C. (Department: 3725)
Metal deforming
By plural tool-couples
With means to feed work between plural tool stations
C072S405110, C072S405010, C198S621100, C414S751100
Reexamination Certificate
active
07032428
ABSTRACT:
A small-sized feeding unit for a transfer press is provided. To this end, the feeding unit comprises: a feed box body one end of which is attached to side faces of uprights; feed driving means having servo motors disposed within the feed box body and pinions rotatively driven by the servo motors; feed racks movable in a feeding direction and meshing with the pinions respectively; feed carriers integrally attached to the feed racks respectively; and feed bars coupled to the feed carriers respectively so as to be movable at least either in a horizontal direction perpendicular to the feeding direction or in a vertical direction, wherein when the feed carriers are positioned at a stroke end on a press body side, the feed carriers are located in the vicinity of the feed driving means with respect to the feeding direction.
REFERENCES:
patent: 5566814 (1996-10-01), Hofele
patent: 5640875 (1997-06-01), Horde et al.
patent: 5690026 (1997-11-01), Thudium et al.
patent: 5934125 (1999-08-01), Takayama
patent: 6109087 (2000-08-01), Yoshii et al.
patent: A-2000-061562 (2000-02-01), None
Crane Daniel C.
Komatsu Ltd.
Rader & Fishman & Grauer, PLLC
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