| 摘要 |
1,045,702. Friction hinges. GRORUD JERNVAREFABRIK A.S. Oct. 31, 1963 [Nov. 2, 1962], No. 43077/63. Heading E2F. A pivot hinge for windows pivotable about a horizontal axis comprises a frame hinge member 1 and a sash hinge member 2 the latter incorporating a friction device 3 tightened by a screw 4 engaging a threaded bore in member 2 and device 3, and a screw 5 accessible through opening 6 for adjusting the distance between the hinge members. Screw 5 has slots, grooves or hexagonal depressions &c. at either end, so that if opening 6 is blocked, screw 4 can be removed prior to adjustment of screw 5. |
