Roller assembly

Details Roller assembly Roller assembly

1980-04-11

1981-12-22

Haroian, Harry N.

Cutlery

16 98, 16107, 308 6R, F16C 3300

Patent

active

043067565

ABSTRACT:
An improved roller assembly is adapted for use with an upwardly-acting door structure. The improved roller assembly includes an inner ring mounted on a shaft, a sectional outer ring arranged to form an outer race for capturing ball bearings between the rings, and an outer cup-shaped member roll formed to hold the assembly together and to provide an outermost tire adapted to be moved along a track.

REFERENCES:
patent: 880921 (1908-03-01), Rosenberg
patent: 1177046 (1916-03-01), Nice
patent: 1429158 (1922-09-01), Morton
patent: 1936902 (1933-11-01), Fleming
patent: 2266042 (1941-12-01), Hufferd et al.
patent: 2467437 (1949-04-01), Martinec
patent: 2717808 (1955-09-01), Owsen et al.

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