Metal working – Means to assemble or disassemble
Patent
1997-09-02
1999-08-10
Hughes, S. Thomas
Metal working
Means to assemble or disassemble
292811, 269303, 269315, 269 51, B23P 1900
Patent
active
059339411
ABSTRACT:
The present invention provides a new and improved system for holding a metallic on non-metallic sheet work piece in place on the X- and Y- axes for use in connection with a semi-automatic fastener insertion machine. The system utilizes cantilevered support arms to hold the work piece in place between the upper and lower tooling of the insertion press allowing easy removal and repositioning of the work piece. The arms of the system may be retracted away from the tooling of the press making the tooling open and available for other uses. This flexibility allows the present system to be used to insert fasteners into one surface of an multi-surface sheet which may then be easily removed and repositioned to allow insertions into the remaining surface(s). In addition, instead of rigid clamps, the positioning system also uses a set of adjustable alignment pins (or an adjustable tray) which provide a variable amount of "float" in the location of the work piece relative to the tooling. The leeway provided by this float allows the work piece to move slightly during operation of the insertion machine so that an exact insertion can be performed by the press tooling. The float compensates for minor imperfections and inconsistencies that may be present in sheet (e.g. misaligned holes for receiving the fasteners) which might otherwise prevent proper insertion of fasteners into the sheet.
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Cozart Jermie E.
Haeger, Inc.
Hughes S. Thomas
Miller Mark D.
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