Surface bearing for indicating instrument

Details Surface bearing for indicating instrument Surface bearing for indicating instrument

1997-01-23

1998-06-16

Raevis, Robert

Measuring and testing

Display or display device details

384408, F16C 3382

Patent

active

057674256

ABSTRACT:
A bobbin unit for a cross-coil type meter is composed of an upper bobbin and a lower bobbin. The upper and lower bobbins have an inner cylindrical portion which has a center through hole for receiving a indicator shaft therein. A bearing portion is formed at an edge portion of the center through hole and an oil reservoir portion is formed at a portion in the center through hole adjacent to the bearing portion. The reservoir portion has an inside diameter larger than that of the bearing portion and accommodates a lubricating oil. The reservoir portion is composed of a first annular groove for supplying the lubricating oil to the bearing portion by the capillary action, an oil holding groove and a seal portion having a small gap between the shaft and the inner periphery of the center through hole.

REFERENCES:
patent: 1184050 (1916-05-01), Toeplitz
patent: 1331440 (1920-02-01), Lamy
patent: 3013847 (1961-12-01), Gits
patent: 3250932 (1966-05-01), Tupper
patent: 4371220 (1983-02-01), Brucher

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