Sentry Equipment Corporation

Accurate Tool, Inc.

Wilie V Evans

Gary K Evans

An assembly for insertion of an object into a pipeline comprises a base, a connector, and a set of pins. The base has a cylindrical passage and is connected to a mechanismforconfigured to drive the object into an inlet in the pipeline. The connector includes a head and a cylinder with a threaded internal surface andaanexternal surface having a groovespanning aextending around thecircumference of the external surface. The connector is rotatable within the cylindrical passage in the basein a first directionandisheld substantiallyaxiallystationary within the cylindrical passage in the basein a second directionby the set of pins in cooperation with the groove.The base is rotatable in the first direction and held substantially stationary in the second direction while connected to the inlet in the pipeline by the connector.

Assembly for insertion of an object into a pipeline

An assembly for insertion of an object into a pipeline comprises a base, a connector, and a set of pins. The base has a cylindrical passage and is connected to a mechanism for configured to drive the object into an inlet in the pipeline. The connector includes a head and a cylinder with a threaded internal surface and a external surface having a groove spanning a circumference of the external surface. The connector is rotatable within the cylindrical passage in the base in a first direction and held substantially stationary within the cylindrical passage in the base in a second direction by the set of pins in cooperation with the groove. The base is rotatable in the first direction and held substantially stationary in the second direction while connected to the inlet in the pipeline by the connector.

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Kilgore, TX, United States of America

Wilie V Evans