Bicycle frame

Details Bicycle frame Bicycle frame

1997-04-11

1999-06-15

Mai, Lanna

Land vehicles

Wheeled

Occupant propelled type

2802884, 29721515, B62K 302

Patent

active

059114290

ABSTRACT:
A bicycle frame includes a top tube which has a first mounting seat and a second mounting seat spaced apart from the first mounting seat in a longitudinal direction of the top tube, and a seat tube which has first upper and lower ends. The first lower end is pivotally mounted to the first mounting seat. An extension tube is connected to the first upper end for mounting a seat thereon. A telescopic bracket tube is pivotally mounted to the second mounting seat and the first upper end, and is extendable and retractable so as to adjust the position of the seat tube. A plurality of locking members lock the telescopic bracket tube against extension and retraction so as to position the seat tube.

REFERENCES:
patent: Re13383 (1912-03-01), Harley
patent: 5308030 (1994-05-01), Bales
patent: 5593168 (1997-01-01), Chou

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