A. Devices used to prevent people or objects from falling are centrifugally operated, including a large rotating shaft and a sled assembled coaxially in a wide area, for radiation movement along a slot in the crank, with the mass center removed from the rotating axis; Safety device.

摘要

Centrifugally operated device which comprises a Shaft with an Axis of rotation generally aligned with the longitudinal Axis of the piston rodA Ratchet which is coaxially mounted on the Rod and at least a part of it moves radially,A mechanism of polarization that polarizes the coupling end; and a safety device.