Third rail power insulating system

Details Third rail power insulating system Third rail power insulating system

2011-04-19

2011-04-19

Le, Mark T (Department: 3617)

Electricity: transmission to vehicles

Conductors

Third rail

C191S030000, C191S032000

Reexamination Certificate

active

07926634

ABSTRACT:
A third rail power insulating system, comprising an insulator assembly and a cover board assembly. The insulator assembly comprises pedestal supporting insulators that are mounted onto a contact rail assembly. The insulator assembly further comprises an insulator anchor bolt assembly, a base shim plate, a bolt assembly, a lubricating shim, and retaining clips. The cover board assembly is also mounted onto the contact rail assembly and it comprises a support bracket assembly, retaining clips, a side cover board, and a top cover board. The support bracket assembly has a general C-shape and comprises a lateral wall, a top wall, a base wall, and a protrusion. The side cover board comprises an elongated plate having at least one hole, and the top cover board comprises an elongated plate having sufficient curvature to contour the support bracket assembly.

REFERENCES:
patent: 762769 (1904-06-01), Steinberger
patent: 3566048 (1971-02-01), Martin
patent: 3826881 (1974-07-01), Spiringer
patent: 4318462 (1982-03-01), Weinhaus

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