System for loading collars onto bolts in large-scale manufacturing operations
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United States of America Patent
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Jun 25, 2013
Grant Date -
Oct 22, 2009
app pub date -
Nov 2, 2007
filing date -
Nov 2, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
The system includes a moving feed assembly through which a collar is moved by compressed air to a position in substantial alignment with the centerline of a swaging die assembly. Two spring-loaded fingers are mounted on opposing sides of the feed assembly for receiving the collar by compressed air action where it is maintained in substantial alignment with the swaging die assembly. The spring action of the fingers is strong enough that the collar can be pressed firmly against a curved receiving portion of the fingers by the compressed air. A die pin portion of the swaging die is then inserted into the collar, thereafter maintaining the position of the collar as the feed assembly with the opposing fingers are stripped away from the collar, leaving the die pin-engaged collar free to be moved by action of a ram assembly to a stackup of parts to be fastened, where the collar can be transferred onto a bolt which extends through the stackup.
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