Dual claw spike puller

Details Dual claw spike puller Dual claw spike puller

1984-05-29

1985-09-03

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Nail extractor type

B25C 1100, B66F 1500

Patent

active

045387931

ABSTRACT:
A machine for pulling spikes from railroad ties including a pair of claws supported by the machine frame, one of the claws being positioned on one side of the rail and for pulling spikes on that side of the rail and the other of the claws being positioned on an opposite side of the rail and for pulling spikes on that side of the rail. Each of the claws including a lower end portion having a pair of spaced fingers extending toward the rail, and each claw being supported for movement from a retracted position to a position wherein the fingers of that claw are positionable under the head of a spike on opposite sides of the spike. The claws then move upwardly to pull spikes from the ties.

REFERENCES:
patent: 1771712 (1930-07-01), Jimerson
patent: 3066913 (1962-12-01), Leeson
patent: 3883118 (1975-05-01), Miller
"Nordberg Spike Puller" (Advertisement), Rexnord, Railway Equipment Division, 1973.
"We Didn't Pull Punches When We Designed Our Spike Pullers" (Advertisement), Modern Railroads, Mar. 1984, pp. 20-21.
"Dual Spike Puller W 113-B", Fairmont Railway Motors.

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