Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1986-10-20
1987-08-18
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74483PB, 74489, 74502, G05G 102, G05G 508, G05G 1100
Patent
active
046868658
ABSTRACT:
A push button shift control for a bicycle and the like is provided and consists of a plurality of push buttons extending upwardly through top of a housing to be clamped typically onto a downtube of the bicycle. A locking mechanism keeps each of the push buttons in a down position when each of the push buttons is pushed in sequence to move a control cable a predetermined distance to operate gears of the bicycle. A releasing mechanism releases the push buttons so that the push buttons and the control cable can return to their previous positions.
REFERENCES:
patent: 2442766 (1948-06-01), Garvin
patent: 2862401 (1958-12-01), Gwin, Jr.
patent: 4263818 (1981-04-01), Ozaki
patent: 4325267 (1982-04-01), Kojima
patent: 4548092 (1985-10-01), Strong, Jr.
Herrmann Allan D.
Miller Richard L.
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