Conveyors – chutes – skids – guides – and ways – Rollerways – Rollers
Patent
1977-08-22
1978-11-14
Blunk, Evon C.
Conveyors, chutes, skids, guides, and ways
Rollerways
Rollers
16 46, B65G 3902
Patent
active
041251830
ABSTRACT:
A roller assembly useful as a self-aligning caster for recessed mounting in a support plate or tray such as those used in aircraft cargo loading systems. The assembly includes a sub-assembly of a cup housing having an upper, outer-annular flange with a roller support mounted therein on an annular bearing. The sub-assembly is secured by a single screw fastener that extends through a central aperture in the bottom wall of the housing and engages a ring retainer. The roller support has massive, upright standards which are spaced apart by the width of the roller and which have opposed slots in their upper faces to receive the support shaft of the roller. The roller and support shaft are received in the support base and are retained therein by a cover plate that has a radial slot to surround the roller and that overlies the roller shaft notches of the upright standards. The cover plate is secured to the roller support by screw fasteners and the like thereby providing a very simple assembly in which a roller is supported with a sufficiently massive structure to permit the application of high loads while, nevertheless, being rotationally self-aligning to permit complete direction of freedom of movement of cargo across the roller assembly.
REFERENCES:
patent: 957480 (1910-05-01), Svenvig
patent: 3435938 (1969-04-01), Warren et al.
patent: 3445882 (1969-05-01), Miano
patent: 3739894 (1973-06-01), Hinman
Blunk Evon C.
Rowland James L.
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