Applicator for applying chemically-impregnated pads to freshly-m

Details Applicator for applying chemically-impregnated pads to freshly-m Applicator for applying chemically-impregnated pads to freshly-m

1993-12-03

1995-07-25

Le, Mark T.

Railways

Track layers

Tie platers

E01B 2900

Patent

active

054352517

ABSTRACT:
An applicator adapted to apply chemically-impregnated pads (53) to freshly-milled surfaces (24) on railroad ties (22), includes a vehicle (21) adapted to be moved along the ties; a carriage (29) mounted for horizontal movement with the vehicle along the ties, and mounted for floating vertical movement relative to the vehicle during use; sensors (51,52) for determining the position of a tie beneath the carriage; a pad storage magazine (33) mounted on said carriage; suction cups (38) and an actuator (47) for withdrawing an end pad from the magazine; a rotary motor and a lifting actuator (36) for moving a withdrawn pad from the magazine to a freshly-milled surface on a tie; and a nailer (39) for attaching the pad to the tie.

REFERENCES:
patent: 3943858 (1976-03-01), Dieringer et al.
patent: 4241663 (1980-12-01), Lund et al.
patent: 4256040 (1981-03-01), Dieringer
patent: 4691639 (1987-09-01), Holley
patent: 4942822 (1990-07-01), Cotic
patent: 5067412 (1991-11-01), Theurer et al.
patent: 5331899 (1994-07-01), Holley

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