THE CROSBY GROUP LLC Patent applications |
Patent application number | Title | Published |
20140150240 | Thimble Mechanism For Retention Of A Shackle In A Wire Loop Termination - A thimble mechanism for retention of a shackle in a wire rope loop termination. In one preferred embodiment, a thimble device is provided for a shackle having a pair of opposed legs with each leg having an end with a width smaller than a depth. The thimble device includes a thimble body having an external arcuate edge with a rope groove for receipt of a wire rope therein. A central opening extends through the thimble body with the central opening larger than the width but smaller than the depth of the shackle ends. A keyway is provided in the thimble body extending from the central opening to the arcuate edge of the thimble body. | 06-05-2014 |
20130280009 | RETAINING PIN ASSEMBLY FOR A LIFTING SYSTEM - A retaining pin assembly for a lifting system which includes a hook prong and a hook cam. The retaining pin assembly includes at least one lock arm assembly having a first end with at least one aperture which aligns with an opening through the hook cam and having an opposed second end with at least one aperture which aligns with an opening through the hook prong. A hook cam retaining pin has a head and has a shaft passing through the hook cam opening and the lock arm first end aperture, wherein the shaft has at least one groove therein parallel to the axis of the shaft. A retaining ring surrounds the hook cam shaft, the retaining ring having at least one inwardly extending tab received in the shaft groove in order to retain the pin in the lock arm. A recess in the lock arm receives the retaining ring therein. | 10-24-2013 |
20120091743 | TUBING GRAB ASSEMBLY - A tubing grab assembly to retain and lift tubing, pipes, tubulars or other cylindrical objects. The assembly includes a pair of opposed jaws and a housing having a cavity. A least one of the opposed jaws has a shaft therethrough to permit rotation of the jaw with respect to the housing between a closed position and an open position. A jaw spring forces the movable jaw toward the closed position. A retractable spring trigger mechanism locks the pair of opposed jaws in the closed position. | 04-19-2012 |