| 摘要 |
1,151,983. Sewing machines. PENNSYLVANIA SEWING RESEARCH CORP. 24 Jan., 1968 [25 April, 1967], No. 3639/68. Heading D1G. A clamp for mounting a button holder 31 comprises two "L" shaped legs 35, 37 pivoted at 43 and held together by a screw 57 and a nut and bolt 65 the screw allowing relative movement of the parts in the longitudinal direction of the horizontal legs and the nut and bolt 65 allowing relative movement in both the longitudinal and transverse directions. |
