Devices for holding a link or previously formed part of a chain in a convenient position or for manipulating it during the operation of welding.
SEE OR SEARCH THIS CLASS, SUBCLASS:
31,
SEE OR SEARCH CLASS
269, Work Holders, appropriate subclasses. Class 269 is the residual locus for patents to a device for clamping, supporting and/or holding an article (or articles) in position to be operated on or treated. See notes thereunder for other related loci.