Twin caster assembly

Details Twin caster assembly Twin caster assembly

1981-10-13

1983-03-29

Troutman, Doris L.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Casters

Wheels

16 45, 16 38, A47B 9100, B60B 3300

Patent

active

043778836

ABSTRACT:
A twin caster assembly, including a shaft member having a center portion and opposite end portions, a body member including an axial opening for receiving and supporting the center portion of the shaft member and with the end portions extending on opposite sides of the body member, a pair of wheels each having a central axial hub including an axial opening for receiving one end portion of the shaft member and the end portions of the shaft member and the axial opening of the wheels including a plurality of mating grooves and ridges each having sloping sides to lock the wheels on the opposite end portions of the shaft member and with the mating grooves and ridges having sufficient clearance for allowing rotation of the wheels on the end portions of the shaft member and with the number of mating grooves and ridges in the range between three (3) and eight (8).

REFERENCES:
patent: 3641621 (1972-02-01), Closa
patent: 3713186 (1973-01-01), Cartwright
patent: 3822437 (1974-07-01), Screen
patent: 4067083 (1978-01-01), Screen
patent: 4077088 (1978-03-01), Malara
patent: 4120071 (1978-10-01), Cresenzi

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