B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
164/8
B23K 7/00 (2006.01) B23K 7/10 (2006.01)
Patent
CA 1198360
-1- CUTTING APPARATUS ABSTRACT A cutting appparatus for cutting a longitudinally extending member such as rail comprises a frame; means for clamping the frame to the member to be cut; and a cutting torch which is pivotally attached to the frame. A pivoted torch holder is provided having bearing means permitting axial displacement of the torch relative to the member to be cut. The precise axial distance of the tip of the torch relative to the member to be cut is determined throughout the making of the cut by means comprising a plate attached to the frame and defining a cam surface and a cam follower connected to the torch. The shape of the cam surface thus makes it possible for the path described by the tip of the torch to conform, if desired, to the profile of the member to be cut. BACKGROUND OF THE INVENTION This invention relates to cutting apparatus, particularly but not exclusively to cutting apparatus for transversely cutting through complexly shaped, longitudinally-extending members such as rails. In order to repair or replace damaged rail welds it is frequently found necessary to cut the weld out of the rail. This is currently done using an oxygen-fuel gas torch. In order to help the cutting operative make the cut it is known to fix over the rail a template having three spaced apart torch holding pegs (or sockets) to which complementary sockets (or pegs) attached to the torch may be fitted. The torch may be pivoted about each associated peg to enable the cut to be made in three parts. In practice, this arrangement
409616
Boc Limited
Ridout & Maybee Llp
LandOfFree
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