Replaceable plastic trolley wheel and method

Details Replaceable plastic trolley wheel and method Replaceable plastic trolley wheel and method

1986-10-03

1992-10-20

Stormer, Russell D.

Railway rolling stock

Suspended

104 89, B61B 300

Patent

active

051565331

ABSTRACT:
A trolley wheel assembly (10,100) includes a wheel member (18,118) and a support pin (12) defining an axis of rotation. A mounting sleeve 922,122) is fixedly secured about the support pin (12). Bearing sleeve halves (30,32,130,132) are disposed about the mounting sleeve (22,122) for allowing rotation of the wheel member (18,118) about the axis of rotation. Further, a method of replacing a worn trolley wheel includes the steps of removing the worn trolley wheel from the support pin (12), mounting a bearing sleeve 926,126) over a mounting sleeve (22,122) for allowing rotation of the wheel member 918,118) relative to the axis of rotation when the mounting sleeve (22) is mounted on the support pin (12), and mounting an unworn wheel member (18) about the bearing sleeve (26) for rotation relative thereto, and fixedly securing the mounting sleeve (22) about the support pin (12).

REFERENCES:
patent: 2250167 (1941-07-01), Niles et al.
patent: 2978992 (1961-04-01), Wason
patent: 4178856 (1979-12-01), Dunville
patent: 4248157 (1981-02-01), Evans
patent: 4395142 (1983-07-01), Lobeck
patent: 4428689 (1984-01-01), Choate
patent: 4463683 (1984-08-01), Uttscheid
patent: 4552073 (1985-11-01), Smith

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