Patent ID: 8870493

Claim:
An adjustable gate assembly for engagement to a pipe, the assembly comprising: an engagement band defining an adjustment slot at either end of the engagement band and an opening having a nominal diameter, the opening being adjustable by up to +/−30 percent of the nominal diameter; a collar support defining at least two through holes and being constructed and arranged to reversibly attach to the engagement band; a lid having an upper portion and a lower portion, the upper portion being fixed to the collar support, the lower portion being pivotally connected to the upper portion, the lid having an open position and a closed position, the lid being arranged to substantially cover the opening defined by the engagement band when the lid is in the closed position; and a plurality of fasteners; wherein each adjustment slot is arranged to overlap at least one of the through holes of the collar support and at least one of the fasteners extends through each of the two through holes and each of the adjustment slots, the fasteners securing the collar support to the engagement band.