| 摘要 |
PCT No. PCT/FR93/00860 Sec. 371 Date Mar. 7, 1995 Sec. 102(e) Date Mar. 7, 1995 PCT Filed Sep. 8, 1993 PCT Pub. No. WO94/05514 PCT Pub. Date Mar. 17, 1994A compass (1) with safety pivot is disclosed for drawing arcs or complete circles on a surface without perforating it and in an absolutely safe manner for young users. The safety pivot of said compass has a rounded end at the end of a pin (8) housed in the body (9). Said rounded end is partially or fully covered by a non-slip finish (7') designed-to be in contact with said drawing surface to define the centre of the arc or circle to be drawn.
|
