LIMIT CLAMP FOR USE WITH CASING ATTACHMENTS

摘要

A limit clamp (4) for securing a tool (1) to a casing (2) having a groove (10) in its outer surface. The limit clamp comprises a block (20) having a base (23) and a flange (22). The base is positioned in the groove to contact at least one stop (11, 12) in the groove and the flange extends out of the groove. The limit clamp also comprise a lock ring (30) encircling the block and the casing, wherein the lock ring engages the block.