Conveyors: power-driven – Conveyor section – Reciprocating conveying surface
Patent
1990-03-23
1991-01-15
Skaggs, H. Grant
Conveyors: power-driven
Conveyor section
Reciprocating conveying surface
4145251, B65G 2504
Patent
active
049846795
ABSTRACT:
An elongated seal strip (38) is provided between adjacent floor slat members (10, 10', 10") in a reciprocating floor conveyor. The seal strip (38) includes an inboard base (40) which is received in a sidewall groove (30) and an outboard portion (42) which extends laterally outwardly from the groove (30). The outboard portion (42) is composed of a first layer (46) joined to a second layer (48), such as by co-extrusion. The first layer (46) is a relatively hard material with good wear characteristics and a low coefficient of friction. The second layer (48) is a softer but more resilient material. The combined thickness of the two layers (46, 48) is greater than the gap width between adjacent floor slat members (10). As a result, the resilient (48) must be compressed in order to install the outboard portion (42) of the seal strip (38) into the gap between adjacent floor slat members (10). During use, the layer (48) provides a resilient backing for the layer (46), continuously urging it into sealing contact with the confronting side surface of the adjacent floor slat member. The resilient layer (48) continuously changes in thickness to accommodate for changes in the gap width, caused by the relative movement of the floor slat members (10) to each other, for whatever reason.
REFERENCES:
patent: 4144963 (1979-03-01), Hallstrom
patent: 4492303 (1985-01-01), Foster
patent: 4679686 (1987-07-01), Foster
patent: 4727978 (1988-03-01), Hallstrom, Jr.
patent: 4749075 (1988-06-01), Foster
patent: 4793469 (1988-12-01), Foster
patent: 4821868 (1989-04-01), Foster
patent: 4896761 (1990-01-01), Foster
Barnard Delbert J.
Dayoan D. Glenn
Skaggs H. Grant
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