Machine element or mechanism – Control lever and linkage systems – Multiple controlling elements for single controlled element
Patent
1992-12-04
1993-09-07
Luong, Vinh T.
Machine element or mechanism
Control lever and linkage systems
Multiple controlling elements for single controlled element
74475, 745022, 74506, 74505, G05G 1100, F16C 110
Patent
active
052418774
ABSTRACT:
A gear selector includes a sleeve member which has an annular flange that extends radially and outwardly from the periphery of one end of the sleeve member. The flange has a circumferential groove to receive a curved member which has a plurality of retaining grooves. The flange further has an annular extension with a guide rail that is formed circumferentially on an external surface, an abutting face, a receiving space, and a notch which interconnects the receiving space and the guide rail. A tubular member has a casing with a retractable projection at one end. When the sleeve member is sleeved rotatably on the tubular member, the retractable projection extends into one of the retaining grooves of the curved member so as to retain the sleeve member at a predetermined position relative to the tubular member. A cable has one end fixed in the tubular member and passes through the notch. The cable encircles the guide rail before being led out of the tubular member. The second end of the cable is connected to the gear changing device of a bicycle.
REFERENCES:
patent: 2874587 (1959-02-01), Schmid
patent: 3180166 (1965-04-01), Fox
patent: 3218879 (1965-11-01), Reed
patent: 3856123 (1974-12-01), Kinsey
patent: 4019402 (1977-04-01), Leonheart
patent: 4232565 (1980-11-01), Leonheart
patent: 4286699 (1981-09-01), Pawelka
patent: 4352303 (1982-10-01), Christner
patent: 4526056 (1985-07-01), Yamanaka
patent: 5134897 (1992-08-01), Romano
patent: 5186072 (1993-02-01), Nagano
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