E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
E02F 3/96 (2006.01) B23P 19/10 (2006.01) B66D 1/04 (2006.01) B66D 3/00 (2006.01) B66F 11/00 (2006.01) E02F 3/76 (2006.01) E02F 3/815 (2006.01)
Patent
CA 2389957
An apparatus for lifting a blade to a support, such as a moldboard of a grader or a bowl of a scraper, and aligning it thereto, is disclosed. In one aspect the invention is an apparatus with a frame, two flexible hoisting means for holding the blade, a drum to which each flexible hoisting means is attached, a stabilizing means for stabilizing the apparatus on the support, and a drive means for rotating the drums. In one embodiment, the invention includes a rotation control means for preventing uncontrolled rotation of the drive shaft. In another embodiment, the invention is an apparatus for lowering a blade from a support. In another aspect, the invention is a method for lifting a blade to a support, which method involves inserting two flexible hoisting means through two different apertures of a support and the corresponding apertures in the blade, and providing means to controllably reduce the length of the flexible hoisting means while holding the blade. The apparatus and method can be used by one person to lift, line up, and securely bolt a blade to a support.
Bennett Jones Llp
Brent's Grading Ltd.
LandOfFree
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