Material-handling machine with hinged leg

Means and method in container handling

Means for connecting members together

Means for converting a grapple skidder to a cable skidder

Means for converting a grapple skidder to a cable skidder

Means for handling freight containers and the like

Means for operating twistlocks on a spreader frame

Means for suspending a spreader frame from a carrier

Means to reduce oscillatory deflection of vehicle

Mechanical grab

Mechanically operable suction device for lifting and holding...

Mechanism and system for conveying loose materials

Mechanism for latchingly connecting telescoping members

Mechanism for mounting auxiliary equipment on a crane

Mechanism for turning ships' davits

Metal chain sling

Method and apparatus for constructing multi-storied concrete...

Method and apparatus for controlling the position of a...

Method and apparatus for effecting relative movement of...

Method and apparatus for extending a boom assembly