Expansible chamber devices – Knockdown or flow conduit storage or retrieval means
Patent
1993-08-23
1994-09-20
Bertsch, Richard A.
Expansible chamber devices
Knockdown or flow conduit storage or retrieval means
417234, 2802884, F03B 3912
Patent
active
053479130
ABSTRACT:
A bicycle pump which has a pivoting footpeg on which the user may stand to secure the pump against the ground. The pump has a pivoting handle which includes a spring which forces apart the base and handle of the pump so that the pump can be secured in tension on a bicycle frame.
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Blackburn & Zefal Pumps (shown on page 26 of the 1992 Fall Catalog of Colorado Cyclist).
Bertsch Richard A.
Goren David
McAndrews, Jr. Roland G.
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