Conveyors: power-driven – Conveyor section – Reciprocating conveying surface
Patent
1984-12-10
1987-07-14
Spar, Robert J.
Conveyors: power-driven
Conveyor section
Reciprocating conveying surface
414525B, B65G 2500
Patent
active
046796860
ABSTRACT:
A floor member (10) of channel form is pushed downwardly to install it onto bearings (16, 90, 144) which have been previously installed onto guide tubes (12, 12', 12") which extend in the same direction as the floor members (10). The bearings (16, 90, 144) have sidewall portions which slope downwardly and outwardly to a lower edge (76, 108, 154, 156). These sidewalls (66, 68, 100, 102, 150, 152) are connected at their upper portions to the bearings (16, 90, 144) in such a way that they will flex inwardly, into spaces provided for them, in response to the downward "snap on" movement of the floor member (10). Brace wings (52, 54, 110, 112, 174, 176) may be provided to function together with the lower edges (76, 108, 154, 156) to hold the floor members (10) onto the bearings (16, 90, 144). Bearings (90, 144) are provided which themselves snap onto the guide beams (12', 12"). These bearings (90, 144) include lock flanges in the form of cantilever springs, resulting in a good tight fit despite size differences which may exist due to low manufacturing tolerances.
REFERENCES:
patent: 4143760 (1979-03-01), Hallstrom
patent: 4144963 (1979-03-01), Hallstrom
patent: 4184587 (1980-01-01), Hallstrom
patent: 4474285 (1984-10-01), Foster
patent: 4492303 (1985-01-01), Foster
patent: 4518076 (1985-05-01), Feisel et al.
PlateTop Roller Chain with Snap-On Top Plates, Chain Belt Company, Bulletin 57-12, 1959.
Barnard Delbert J.
Holmes Jonathan D.
Spar Robert J.
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