Conveyor belt

Details Conveyor belt Conveyor belt

1997-06-12

1999-09-21

Bidwell, James R.

Conveyors: power-driven

Conveyor section

Spiral

B65G 2118

Patent

active

059541881

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.

REFERENCES:
patent: 4078655 (1978-03-01), Roinestad
patent: 4971191 (1990-11-01), Lapeyre
patent: 5141102 (1992-08-01), Roinestad et al.
patent: 5265715 (1993-11-01), Yoshimura et al.
patent: 5431275 (1995-07-01), Faulkner
patent: 5566817 (1996-10-01), Meeker
patent: 5622252 (1997-04-01), Raum
patent: 5645160 (1997-07-01), Palmaer et al.
European Search Report dated Sep. 24, 1998 from European Patent Application No. 98.201929.1.

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