Emergency slipper for high-speed vehicles

Details Emergency slipper for high-speed vehicles Emergency slipper for high-speed vehicles

1976-08-02

1977-12-13

Makay, Albert J.

Railways

Track clearers

104259, 105216, B61H 706, B61B 1308

Patent

active

040622959

ABSTRACT:
An emergency slipper of the type usually spaced above a track but which comes into sliding engagement with the track in an emergency. The slipper comprises slide blocks having bottom surfaces which slide easily along the track, and scraper means for scraping rust, dirt, ice, and the like for the track. The scraper means may be a vertical scraper plate arranged diagonally with respect to the direction of travel, the slipper having a diagonal groove directly in front of the scraper plate. The scraper means may be a scrubbing block arranged as the first slide block of the slipper, the scrubbing block being formed of an impact and abrasion resistant material with a low coefficient of friction and high resistance to high temperatures produced by friction. The rear block of the slipper may be formed of the same material as the scrubbing block. The scrubbing block may have a diagonal groove in its bottom surface. The front block may have an inclined surface between its front and bottom faces.

REFERENCES:
patent: 556723 (1896-03-01), Kneedler
patent: 2718654 (1955-09-01), Draughn
patent: 2864318 (1958-12-01), Toulmin, Jr.
patent: 2942557 (1960-06-01), Hirsch et al.
patent: 2988833 (1961-06-01), Preston

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