Conveyors: power-driven – Conveyor section – Reciprocating conveying surface
Patent
1984-03-26
1989-04-25
Reeves, Robert B.
Conveyors: power-driven
Conveyor section
Reciprocating conveying surface
B65G 2500
Patent
active
048239380
ABSTRACT:
Reciprocating floor conveyor floor members (28) are moved by hydraulic cylinders (1, 2, 3) which are slightly tilted so as to exert a vertical component of force onto the ends of longitudinal drive beams (128, 130, 132) to which the cylinders (1, 2, 3) are connected. These beams (128, 130, 132) are made from tubular stock. Each is guided by a pair of longitudinally spaced apart bearings. Each bearing is a part of a bearing assembly (128, 130) which depends from an upper central portion of a transverse truss (80, 82). Each longitudinal drive member (128, 130, 132) is welded to a transverse drive beam (10, 12, 14) by fillet welds on each side of the longitudinal drive tube (128, 130, 132). Each such drive tube (128, 130, 132) is stiffened in the region of the weld by a short tubular insert which is rammed into the drive tube. The floor members (28) of the conveyor run on plastic slide bearings (26) which are snap fitted onto longitudinal guide beams (22). The guide beams (22) are small in size and are welded on both sides to transverse support beams (24). The construction of the slide bearings (26) permits the use of large dimension, strong, undressed fillet welds. The slide bearings (26) include wing portions (68) on each side which abut similar wing portions (68) on sideways adjacent bearings (26). The floor members (28) are held vertically relative to the bearings (26) by the engagement of bottom flanges (36, 38) within side slots (72) formed in the bearings (26). The floor members (28) add strength and stiffness to the bearings (26) and the abutting contact of the wing portions (68) cause the bearings (26) to mutually brace each other.
REFERENCES:
patent: 1122397 (1914-12-01), Jackson
patent: 3843051 (1974-10-01), Whitlock
patent: 3905290 (1975-09-01), Caughey
patent: 4393785 (1983-07-01), Hortnagel
patent: 4474285 (1984-10-01), Foster
Barnard Delbert J.
Reeves Robert B.
Stormer Russell D.
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