| UNIVERSAL HINGE CORPORATION Patent applications |
| Patent application number | Title | Published |
|---|
| 20110017759 | Portable manway cover hinge device and methods - A manway cover-manway flange separating kit and method for use with a manway cover handling device includes at least one extended length cover supporting rod having end stops at each end of the cover supporting rod wherein at least one of the end stops is removable and wherein the cover supporting rod is adapted for positioning within one of a plurality of manway cover bolt openings exposed by the removal of a plurality of manway cover bolts and for maintaining alignment of the manway cover and the manway flange when the manway cover is a predefined distance away from the manway flange, and a flange separator including a separator component having a threaded rod and a pair of elongated flange plates, the pair of elongated flange plates rotatably connectable on a first flange plate end to the threaded rod wherein at least one of the pair of elongated flange plates has a threaded opening at the first flange plate end transverse to the flange plate that receives the threaded rod to provide translational movement of the flange plate along the threaded rod. | 01-27-2011 |
| 20100125997 | Portable manway cover hinge device and methods - A method of handling the removal and installation of a manway cover to a manway flange includes removing a plurality of manway cover bolts from a portion of the manway cover that is located to one side of a vertical axis of the manway cover, providing a flange hinge plate of a portable manway cover hinge device with at least one hinge plate aperture therethrough, aligning the at least one hinge aperture of the flange hinge plate with a bolt opening in the manway flange, inserting a pin first end of a hinge plate fastening pin through the at least one hinge aperture and into the aligned bolt opening in the manway flange where the pin first end has a bore transverse to the longitudinal axis of the pin and extending beyond the manway flange, inserting a transverse rod into the bore of the pin, securing the flange hinge plate to the manway flange, providing a cover hinge plate of a portable manway cover hinge device where the cover hinge plate has at least one hinge plate aperture therethrough, aligning the at least one hinge aperture of the cover hinge plate with a bolt opening in the manway cover, inserting a pin first end of another hinge plate fastening pin through the at least one hinge aperture and into the aligned bolt opening in the manway cover and securing the cover hinge plate to the manway cover, pivotally connecting the flange hinge plate to the cover hinge plate, and removing any remaining manway hardware from the manway cover and the manway flange that prevents the manway cover from pivotally opening away from the manway flange. | 05-27-2010 |
| 20080256753 | Portable manway cover hinge device - A portable manway hinge device has a pair of hinge plates where each hinge plate has a support member with a hinge aperture positioned for alignment with a bolt opening of a manway cover and a manway flange, a linkage member adjacent a first end of each hinge plate and extending out of the plane of the hinge plate, and a pivotal connection coupling overlapping pairs of the linkage member of the pair of hinge plates. | 10-23-2008 |
