Conveyor belt
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 21, 1999
Grant Date -
N/A
app pub date -
Jun 12, 1997
filing date -
Jun 12, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A conveyor belt with rods and connective links that engage one another so as to resist lateral deflection and rotational movement about the rods during conveyor operation. The rods have a large diameter through most of their length, and a smaller diameter at their ends where they are attached to the connective links. The transition between the large diameter and the smaller diameter is a chamfered section which is captured within an aperture of the links to constrain the links from lateral movement along the rod. The links are further constrained on the rods by forming an upset or buttonhead at the ends of the rod and resistance welding the rod to the link apertures. The additional fixation steps used in conventional belt manufacture are thus eliminated. By affixing the links and rods together in the manner disclosed, repeated movements of the link legs relative to the rods are eliminated thereby significantly reducing the chances of fatigue failure of the links.
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