Railways – Track layers – Tamper
Patent
1979-07-02
1982-02-16
Reese, Randolph A.
Railways
Track layers
Tamper
37142R, E01B 2713
Patent
active
043154646
ABSTRACT:
This invention provides a tamper tip for use with tamping machines for setting railroad ties. The tip is generally rectangular in shape and at least one surface is provided with a generally U-shaped outer edge portion which increases in thickness from the tips of the legs of the "U" to the base of the "U" with the portion interior of the "U" being shaped to a constant thickness generally equal to the thickness of the thinnest portion of the legs.
REFERENCES:
patent: 759359 (1904-05-01), Ferguson
patent: 1395048 (1921-10-01), McKee
patent: 3971323 (1976-07-01), Beiswenger
patent: 4006544 (1977-02-01), Stepe
patent: 4231173 (1980-11-01), Davis
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