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SLIDER-ROCKER ARM MECHANISM FOR A BLACKSMITH'S BELLOWS |
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Beschreibung
When lever 1 is oscillated, feeding bellows 2 and 3 alternately draw in and pump out air. Upper two-row bellows 4 serves for levelling off air discharge. The pressure of the blast can be regulated by varying the load applied to bellows 4 by weight 5. |
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