Energy guiding chain
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United States of America Patent
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Feb 24, 2004
Grant Date -
Jul 24, 2003
app pub date -
Dec 2, 2002
filing date -
Feb 16, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention concerns an energy guide chain for guiding hoses, cables or lines comprising chain links (2) each consisting of two link plates (3) and at least one crossbar (8) connecting the link plates, wherein link plates (3) of adjacent chain links (2) have pivot regions comprising mutually corresponding pivot pins (4) and openings (5) for receiving the pivot pins, by means of which the chain links (2) are pivotably interconnected, and wherein the link plates (3) of adjacent chain links (2) have mutually overlapping overlap regions (21, 22), forming lines (6, 7) of link plates, and wherein at least one link plate (3) is provided with a region (15, 20) of weakened material, which permits a variation in length of the link plate line (7) beyond the play which occurs in the pivot region (4, 5) in all directions of the link plate (3). In order to permit improved straight-ahead movement of the chain the material-weakened region (15, 20) is in the form of an elastically deformable region of the link plate (3). The elastic region can be in the form of a cross-sectional constriction of the link plate (3), which extends over the entire height thereof.
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