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A portable pump for inflating tires, particularly bicycle tires. The portable pump comprises a pump body in which there is movably disposed a piston mounted to the end of a rod which is operable in a reciprocating motion. The reciprocating motion is effected by movement of a handle attached to the r

A portable pump for inflating tires, particularly bicycle tires. The portable pump comprises a pump body in which there is movably disposed a piston mounted to the end of a rod which is operable in a reciprocating motion. The reciprocating motion is effected by movement of a handle attached to the rod and a spring which is interposed between the pump body and the handle. The piston rod, at its terminal portion remote from the piston, has an extension capable of sliding movement within the handle and which also carries at least one locking structure. The locking structure permits either immobilizing the extension within handle with the spring being neutralized, or sliding movement of the extension in the handle against the force of the spring.

대표청구항 ▼

A portable pump for inflating tires, in particular for a bicycle, comprising a pump body (10) in which a piston is movable, the piston being mounted to the end of a rod (11) which is operable with a reciprocating motion by means of a handle (15, 126), and a spring (35, 53) operatively interposed bet

A portable pump for inflating tires, in particular for a bicycle, comprising a pump body (10) in which a piston is movable, the piston being mounted to the end of a rod (11) which is operable with a reciprocating motion by means of a handle (15, 126), and a spring (35, 53) operatively interposed between the rod and the handle, characterised in that the piston carrying rod comprises at its terminal portion remote from the piston an extension (16, 117) which is capable of sliding movement within the handle (15, 126), and which carries at least one locking means (16G, 115) which is capable either of immobilizing said extension within the handle, with the spring being neutralized, or permitting sliding movement of the extension in the handle (15, 126) against the force of the spring (35), whereby the spring is neutralized during the pumping action and is activated during or for storage of the pump.