Patent ID: 7380591

Claim:
A stripper rubber system, comprising: a stripper rubber including a resilient sealing portion and an insert disposed at least partially within the resilient sealing portion, wherein the insert includes a plurality of bayonet connector structures; and an adapter including a drill head equipment engaging structure and a corresponding plurality of mating bayonet connector structures, wherein each one of said mating bayonet connector structures is configured for being selectively engaged with one of said insert bayonet connector structures for connecting the stripper rubber to the adapter; wherein the drill head engaging structure is configured for being engaged with a mating portion of drilling head equipment for attaching the adapter to said drilling head equipment; wherein a space at least as long as one of said adapter bayonet connector structures is provided between adjacent ones of said insert bayonet connector structures; and wherein a space at least as long as one of said insert bayonet connector structures is provided between adjacent ones of said adapter bayonet connector structures.