Metal deforming – By plural tool-couples – With means to feed work between plural tool stations
Reexamination Certificate
1999-11-19
2001-03-06
Crane, Daniel C. (Department: 3725)
Metal deforming
By plural tool-couples
With means to feed work between plural tool stations
C072S405010
Reexamination Certificate
active
06196044
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The subject invention relates to work piece transfer assembly for a press including a reciprocating member and a series of longitudinally spaced in-line stations wherein each station is a further progression of a work piece forming process and, more specifically, to a mounting system for a finger which engages and moves the work piece.
2. Description of the Prior Art
Such work piece transfer assemblies usually include a transfer bar and a motion transmitting mechanism for moving the bar inward, outward, and longitudinally for transferring work pieces through the press. A finger is attached to the transfer bar for engaging and transferring work pieces through the press. Typical prior art assemblies are disclosed in U.S. Pat. No. 4,833,908 to Sofy et al; U.S. Pat. No. 4,852,381 and U.S. Pat. No. 4,895,013, both to Sofy, the inventor herein, and U.S. Pat. No. 5,074,141 to Takeuchi.
An objective in the construction of such fingers is that they provide the requisite strength yet remain light in weight.
SUMMARY OF THE INVENTION AND ADVANTAGES
Accordingly, the subject invention provides the requisite strength and light in weight. The invention is implemented in a work piece transfer assembly for a press including a reciprocating member and a series of longitudinally spaced in-line stations wherein each station is a further progression of a work piece forming process. The assembly in which the invention is implemented comprises a transfer bar, a motion transmitting mechanism for moving the bar inward, outward, and longitudinally for transferring work pieces through the press, and a finger for attachment to the transfer bar for engaging and transferring work pieces through the press. The assembly is characterized by a mounting plate for attaching the finger to the transfer bar to extend in a cantilevered fashion to a distal end.
REFERENCES:
patent: 4852381 (1989-08-01), Sofy
patent: 4895013 (1990-01-01), Sofy
patent: 5074141 (1991-12-01), Takeuchi
patent: 5771561 (1998-06-01), Hofele
patent: 277589 (1990-04-01), None
patent: 559991 (1993-09-01), None
patent: 64-40126 (1989-02-01), None
Crane Daniel C.
HMS Products Co.
Howard & Howard
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