GENERAL PROVISIONS
§ 25.31. Definitions.
The following words and terms, when used in this subchapter, have the following meanings, unless the context clearly indicates otherwise:
Crab or winch—A hand or power-operated machine having a rope coiled on one or more drums for the purpose of hauling, hoisting, or lowering a load. The drums may be mounted on legs or in a frame. The legs or frame may be of wood, metal, concrete, masonry or other solid construction.
Crane—A machine for lifting or lowering a load and moving it horizontally, in which the hoisting mechanism is an integral part of the machine. It may be driven manually or by power and may be a fixed or a mobile machine.
Crawler mounted crane—A crane consisting of a cab and boom mounted on a chassis supported by two or more caterpillar treads provided with power to propel the crane. This term includes all crawler mounted cranes regardless of the attachments used for lifting, lowering and transporting a load. The working attachments shall include power shovels, crane booms, back hoes, telescoping booms and the like.
Gantry crane—A crane the bridge of which is mounted on structural legs. These legs may be fitted with track wheels to which suitable gearing is connected for the purpose of propelling the crane along the track. They may also be fixed on solid foundations.
Guarded, encased or enclosed—The object is so covered, fenced, or surrounded that contact which may result in injury is unlikely.
Hoist—An apparatus for raising or lowering the load by the application of a pulling force, and not including a car or platform running in guides.
Hot metal crane—A crane that is used to raise, lower and transport molten metal.
Jib crane—A crane capable of lifting, lowering, or rotating a load within the scope of a circle covered by a rotating arm or jib and equipped with a trolley traveling on the jib.
Locomotive crane—A crane consisting of a cab and boom or lifting device mounted on trucks provided with a source of power either directly or indirectly obtained, capable of conveying the crane and of rotating, hoisting or lowering the boom or load.
Monorail hoist—A hoist, with or without an operator’s cage, which is suspended on rollers or wheels from an overhead track or rail.
Overhead traveling crane—A crane consisting of a bridge mounted on trucks which run on overhead rails, and the hoisting mechanism mounted on trucks which move transversely across the bridge, including single traveling I-beam and transfer cranes.
Pillar crane—A crane capable of lifting, lowering or rotating a load within the scope of a circle scribed by a rotating jib or boom as a radius and consisting of a self-supporting, rotating pillar or mast pivoted at its base, the pillar or mast supporting an inclined jib or boom secured at the base of the pillar.
Truck mounted cranes—A crane consisting of a cab and boom mounted on a chassis supported by four or more wheels, some or all of which are provided with power either directly or indirectly to propel the crane. This term includes mounted cranes regardless of the boom attachments used for lifting, lowering and transporting the load. The boom attachments will include power shovels, crane booms, back hoes, telescoping booms and the like.
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