| 摘要 |
PCT No. PCT/EP92/00830 Sec. 371 Date Jan. 22, 1993 Sec. 102(e) Date Jan. 22, 1993 PCT Filed Apr. 13, 1992 PCT Pub. No. WO92/20532 PCT Pub. Date Nov. 26, 1992.An insertion station for a mail-handling machine includes a driving lever 25 and a means for swivelling the driving lever 25 back-and-forth according to an operating cycle. Axle members 18, 19 have a cam 20 mounted therebetween and a spring 26 extends between the driving lever 25 and the cam. A base plate 1 includes grooves 2, 3, 4 and finger-roller guides 28 have front and rear ends mounted above the base plate. Insertion ramps 35, 36, 37 are located below the rear ends of the finger-roller guides; and, inserting arm means 8, 9, 10 and 14, 15, 16 have fingers 5, 6, 7 and finger rollers 27, 38, 39 attached thereto. The inserting arm means 8, 9, 10 and 14, 15, 16 are connected to the axles 18, 19; the fingers 5, 6 and 7 are mounted on the insertion arms which are adapted to slide the fingers 5, 6, and 7 forwardly in an input direction in the grooves 2, 3, 4 of the base plate 1; and, the finger rollers 27, 38, 39 are in engagement with the finger-roller guides 28 for movement backwardly and upwardly above the base plate under control of the finger-roller guides, wherein, upon reaching the rear end of the finger-roller guides, the finger rollers 27, 38, 39 fall onto the insertion ramps 35, 36, 37 for the gradual insertion of the input fingers into the corresponding grooves 2, 3, 4 of the base plate 1. Rotary tension-adjustment means are connected between the axles 18, 19 and the inserting arm means for reducing bounce of the inserting-arm means.
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