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Manual Piston Pump Having a Blockable Dispensing Head For Dispensing Fluid Substances
Manual Piston Pump Having a Blockable Dispensing Head For Dispensing Fluid Substances
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机译：手动柱塞泵，带有可阻塞的分配头，用于分配流体物质
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摘要
Manual piston pump having a blockable dispensing head for dispensing fluid substances, having a cylinder, an inner locking sleeve forming a cylindrical passage for a hollow piston rod to pass through, one end of this extending into a pump chamber of the cylinder and the other end carrying the dispensing head, which is provided with an outer shaft section, a spring which presses the piston rod outwards in relation to the cylinder, into a rest position, and in opposition to the spring force whereof the piston rod may be lowered by pressing on the dispensing head in order to dispense substance, and having a means for blocking the dispensing head, this means including at least one projection which can be placed in engagement with a recess, wherein the recess (23, 24) has a latching lug (30) which is arranged on a resilient web (31) which is articulatedly mounted at the end side and can be latched as a joining partner to the projection (32, 33).
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