| 摘要 |
1441988 Scissors FISKARS AB OY 28 Dec 1973 [28 Nov 1973] 59916/73 Heading B4B A pair of scissors wherein at least one blade is wave-shaped and comprises at least two valleys 11, 13 the valley 11 being located close to the pivot point 3 of the scissors and wherein the wave-shape is so formed that the depth and the steepness of the valleys are reduced towards the tip of the blade whereby the cutting angle changes. As shown both blades are formed with wave-shape cutting edges. In modifications, one blade may be provided with a cutting edge which is straight, convexly or concavely curved. (For Figures see next column.) |
