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US 4,289,950 AGranted
Narrow gap welding apparatus
AssigneeC-R-O, Inc.
InventorElmer L. Griebeler
Life of this patent
Estimating the term…
Abstract
A probe attached to an extension shaft is disposed within a narrow gap to be welded. The probe is preloaded to bear against one side or edge of the seam to be effected, and is carried on a housing which holds a welding torch, filler-wire feed means, and cooling means.
Claims8
Apparatus for affecting a weld seam in a narrow gap formed by opposing walls of the members to be joined, comprising:
- (a) a torch body having guide means for a filler wire,
- (b) a generally vertical probe shaft mounted to said body,
- (c) an angular probe connected to the lower end of said probed shaft and adapted for contact with the walls of the gap,
- (d) biasing means connected to the upper end portion of said probe shaft to rotate the latter so that said probe normally engages a wall of the gap during welding,
- (e) and selectively actuatable means connected to said probe shaft for rotating the latter and said probe against the force of said biasing means.
2 more elements
Dependencies are inferred from the claim text.