Utility tamper workhead

Details Utility tamper workhead Utility tamper workhead

1975-10-22

1977-12-13

Spar, Robert J.

Railways

Track layers

Tamper

E01B 2716

Patent

active

040622924

ABSTRACT:
A railroad track ballast tamper, operating on-track, having a workhead resiliently and pivotally supporting a pair of platforms on each side of each rail with tamping blades pivoted on each platform and vibration motors fixed to each platform. Lowering the workhead tilts the blades toward the rail because of the platform pivot locations, and actuators coupling the blades squeeze the blades toward the tie so as to tamp, with vibration and squeezing action, that region beneath the ties and under the rail.

REFERENCES:
patent: 2482111 (1949-09-01), Jackson
patent: 2821935 (1958-02-01), Bean
patent: 2899909 (1959-08-01), Jackson
patent: 3070034 (1962-12-01), Derler
patent: 3387567 (1968-06-01), Reynolds
patent: 3608498 (1971-09-01), Plasser et al.
patent: 3625156 (1971-12-01), Anderson
patent: 3669025 (1972-06-01), Plasser

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