| 摘要 |
1509058 Selective punching apparatus SIEMENS AG 6 Aug 1975 [30 Sept 1974] 32778/75 Heading B4B A selective punching device for punching a data-carrier, e.g. a strip 1 of paper, comprises a plurality of spaced-apart punches 3 each connected to a respective rotary-type activating magnet 6, the magnets being mounted on respective surfaces of a common mounting plate 5, the surfaces being staggered by distances corresponding to the spacing of the punches, each punch being connected to its respective magnet by a coupling element 9 via detachable connection points. The coupling element is moulded from a synthetic plastics material and is formed, at one end, with a bore (11) Fig. 3 (not shown) having a bead portion (10) adapted to releasably engage a corresponding groove (12) formed in an actuating lever 13 of the magnet 6. At the opposite end, the coupling element is formed with a recess 14 in which an end 15 of a lever 4 is pivotally connected, the lever 4 being connected to a respective punch 3. |
