Portable pump for inflating tires, in particular for a bicycle

Details Portable pump for inflating tires, in particular for a bicycle Portable pump for inflating tires, in particular for a bicycle

1984-11-23

1986-02-11

Freeh, William L.

Expansible chamber devices

Knockdown or flow conduit storage or retrieval means

417555R, 417572, F01B 3100, F04B 3900

Patent

active

045692750

ABSTRACT:
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.

REFERENCES:
patent: 1553938 (1925-09-01), Floyd
patent: 2334057 (1943-11-01), Ashton et al.
patent: 3907461 (1975-09-01), Bouder
patent: 3981625 (1976-09-01), Wickenberg
patent: 4120614 (1978-10-01), Bouder

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