Power beam for rotating structural member

Details Power beam for rotating structural member Power beam for rotating structural member

E - Fixed Constructions

05

F

20/2

E05F 15/04 (2006.01) E05F 11/00 (2006.01)

Patent

CA 1276769

Abstract of the Disclosure A power beam converts a linear force into a torque. The beam is slideably positioned transverse to a structural member to be rotated and adjacent a hinged connection of the structural member to a frame. The beam is driven in a linear direction by a motive means such as a hydraulic cylinder, cable network or threaded shaft and actuation nut. A cable extends from its connection to the structural member at a set distance from the hinged connection, over the end of the slideable beam and thence to a bias means, typically a spring. To rotate the structural member, the slideable beam is driven transverse to the structural member to impart a force along the cable the spring travels to its limit and thereafter a significant force is applied to the structural member to rotate the structural member.

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