Spike driving machine having pushing and percussive spike drivin

Details Spike driving machine having pushing and percussive spike drivin Spike driving machine having pushing and percussive spike drivin

1991-09-11

1993-03-09

Oberleitner, Robert J.

Railways

Track layers

Track rail mounted spike driver

173149, E01B 2926

Patent

active

051918404

ABSTRACT:
A machine for driving spikes into the ties of a railroad track includes a spike driving assembly movably disposed relative to a frame for gripping spikes and driving gripped spikes into the ties, the spike driving assembly having a spike pushing function and a spike percussive function. In the pushing function the spike driving assembly pushes the spike a specified distance into the tie by the application of constant pressure, and in the percussive function the driving assembly percussively completes the driving of the spike into the tie. An operator may selectively alternate between the pushing and percussive functions.

REFERENCES:
patent: 3120195 (1964-02-01), McWilliams
patent: 3139944 (1964-07-01), Smith
patent: 3257962 (1966-06-01), Doorley et al.
patent: 3426698 (1969-02-01), Foxx et al.
patent: 4273052 (1981-06-01), Woolner et al.
patent: 4409902 (1983-10-01), Frank
patent: 4579061 (1986-04-01), Dieringer
patent: 4777885 (1988-10-01), Dieringer
patent: 4782989 (1988-11-01), Wallin et al.

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