Patent ID: 6863325
Filing Date: 2005-03-08
Classification: B66C

Abstract:
1. A lifting device comprising a body member; four inner pickup elements movably mounted on the body member; two first extendable members movably mounted on the body member for movement between a first position in which the first extendable members are not extended from the body member and a second position in which the first extendable members extend from opposite ends of the body member, two second extendable members, one second extendable member being mounted on each of the first extendable members, and each second extendable member being movably mounted on the respective first extendable member for movement between a first position in which the second extendable member is not extended from the first extendable member and a second position in which the second extendable member is extended from the first extendable member, each second extendable member having two outer pickup elements mounted adjacent the end furthest from the body member when the second extendable member is in the second position; wherein two of the inner pickup elements are fixedly coupled to one of the first extendable members for movement therewith and the other two inner pickup elements are fixedly coupled to the other of the first extendable members.