Bridging platform arrangement

Details Bridging platform arrangement Bridging platform arrangement

2006-07-11

2006-07-11

Morano, S. Joseph (Department: 3617)

Railways: surface track

Roadbed

Street crossing

Reexamination Certificate

active

07073726

ABSTRACT:
The invention relates to a bridging platform arrangement (20) for bridging a gap (16) between a railway rail (10) and an adjacent ground surface (14). The bridging platform arrangement (20) includes a bridging plate (58) and a mounting arrangement for mounting the bridging plate (58) between the railway rail (10) and the ground surface (14). In use, the mounting arrangement permits displacement of the bridging plate (58) between two positions—a first rest position in which the bridging plate (58) extends between respective upper surfaces of the railway rail (10) and the ground surface (14); and a second displaced position in which the bridging plate (58) is displaced below the first position so as to not interfere with the passage along the railway rail (10) of a wheel (1) of a railway vehicle. The mounting arrangement is operable to permit displacement of the bridging plate (58) from the first position to the second position under a railway vehicle load and to substantially maintain the first position when the bridging plate is engaged by a load substantially less than that of the railway vehicle load.

REFERENCES:
patent: 2574926 (1951-11-01), Manley
patent: 2950057 (1960-08-01), Speer
patent: 3469783 (1969-09-01), Bormann et al.
patent: 2003/0168519 (2003-09-01), Hofstetter, Sr.
patent: 28 12 550 (1978-10-01), None
patent: 201 01 567 (2001-05-01), None

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