B - Operations – Transporting – 61 – G
Patent
B - Operations, Transporting
61
G
B61G 5/10 (2006.01) H01R 13/52 (2006.01)
Patent
CA 2187858
An electrical coupler contact for use in an insulation block of a passenger transit type vehicle, having a hollow, tubular barrel portion, with a conductive, threaded bolt portion secured at a first end of the tubular barrel portion and a conductive, spring biased plunger member extending through an aperture in a second end of the barrel portion. The aperture is provided with an annular flange extending radially inwardly therefrom, and the plunger member is provided with a resilient O-ring sealing member positioned to engage the annular flange when the plunger member is fully extended outwardly through the aperture. A cap member is provided over the end of the tubular barrel portion having polygonal side wall portions sufficient to be engaged by a conventional wrench to allow the contact to be insertable within the insulation block thereby covering any tool slots and even eliminating the need for tool slots which would prevent the O-ring sealing member from effectively sealing the aperture to prevent ingress of water and other contaminants into the tubular barrel portion.
Macrae & Co.
Westinghouse Air Brake Company
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