| 摘要 |
In a hand pump (11), a bellows-like supply container (60) made of elastomeric material is arranged on the housing (10). The supply container (60) contracts during the delivery operation of the hand pump (11) and expands again during the relief of an attached consumer (66) in accordance with the discharging volume of pressure medium. A simple hand pump (11) for a closed lifting system is thereby possible. <IMAGE>
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