US 7,578,239 B1
Methods of replacing railway half ties
Robert A. Malek, Libertyville, Ill. (US); and John W. Gustafson, Trevor, Wis. (US)
Assigned to Aldridge Electric, Inc., Libertyville, Ill. (US)
Filed on Sep. 26, 2008, as Appl. No. 12/239,187.
Int. Cl. E01B 29/00 (2006.01)
U.S. Cl. 104—9 8 Claims
OG exemplary drawing
 
1. A method of removing a half tie from a vault of a railway bed, comprising:
a) detaching a section of rail from the half tie;
b) elevating the section of rail above the half tie;
c) removing the half tie from the vault by inserting a tool at an inner end of the half tie at a first angle, wherein the vault is closed at an outside of the railway bed;
d) lowering the tool from the first angle;
e) advancing the tool in an outward direction until the half tie is freed from the vault; and
f) removing the half tie.