Welding jig

Details Welding jig Welding jig

1984-09-04

1986-03-25

Watson, Robert C.

Metal working

Means to assemble or disassemble

With work-holder for assembly

B25B 2714

Patent

active

045773831

ABSTRACT:
A welding jig for in situ use on drum shaped cutter heads. The jig includes a pair of mirror image assemblies each of which is attachable to the mining machine at one end of the cutter to provide a pivot point that lies on the cutter axis. A lever extends radially from the pivot to terminate above the cutter, a rigid bar extends between the levers and over the cutter surface, and bit locaters are provided to be received on the rigid bar.

REFERENCES:
patent: 2105954 (1938-01-01), Rippe
patent: 2836208 (1958-05-01), Hoyt
patent: 3727283 (1973-04-01), Wognum
patent: 3805355 (1974-04-01), Gornik

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