Method of making wing pulleys

Details Method of making wing pulleys Method of making wing pulleys

1990-03-28

1991-01-15

Echols, P. W.

Boot and shoe making

723792, B21F 142

Patent

active

049843630

ABSTRACT:
A method of making a wing pulley using a plurality of substantially identical building block segments. These building block segments are generally U-shaped with a tapering configuration from one end to the other. A predetermined number of the building block segments are welded together to form a first rigid annular subassembly and a second identical number of predetermined building block segments are also welded together to form a second rigid annular subassembly. A hub is attached to the outer end of each of the rigid annular subassemblies so that bushings or other attachments can be made for rotatably mounting the wing pulley in a conventional manner.

REFERENCES:
patent: 3046805 (1962-07-01), Van Grop
patent: 3055229 (1962-09-01), Mecham
patent: 3094159 (1963-06-01), Walsh
patent: 3138963 (1964-06-01), Prince
Pp. 1, 11 and 19 of Precision Pulley List Price Catalogue PPI 88298.

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