| 摘要 |
329,743. Tonks, W. H. March 14, 1929. Rising hinges. - A rising hinge for swinging doors and like members comprises two anti-friction rollers g mounted on a single pin f and located on opposite sides of a vertical plane containing the axis of the hinge pin. The rollers engage inclines k on the other element of the hinge. The. rollers may be mounted on the stationary member or on the movable member. |
