Elevator assembly with reversible insert

摘要

An elevator assembly such as, for example, a single joint elevator apparatus having a removable load supporting insert member for gripping the outer surface of a pipe section. The load supporting insert member has at least two different shoulder profiles; the load supporting insert member can be quickly and easily removed, inverted and re-installed to accommodate and facilitate gripping of pipe sections having different outer configurations (including, without limitation, outer configurations associated with threaded connection members).

主权项

1. An elevator assembly for gripping a section of pipe comprising:
a) a first body member having an inner surface; b) a second body member having an inner surface, wherein said second body member is operationally attached to said first body member; c) a first pipe gripping insert removeably mounted to said inner surface of said first body member, wherein said first pipe gripping insert further comprises;
an inner surface adapted to contact said section of pipe, wherein said inner surface of said first pipe gripping insert defines a first upwardly facing load shoulder and a second downwardly facing load shoulder; d) a second pipe gripping insert removeably mounted to said inner surface of said second body member, wherein said second pipe gripping insert further comprises
an inner surface adapted to contact said section of pipe, wherein said inner surface of said second pipe gripping insert defines a second upwardly facing load shoulder and a second downwardly facing load shoulder.