BICYCLE FRAME WHICH USED DUAL TUBE

PURPOSE: A bicycle frame is provided to reduce weight and enhance rigidity since a top tube and a down tube are formed in a dual type. CONSTITUTION: A bicycle frame comprises a head tube(210), a top unit(230), a down unit(240), and a seat tube(220). The head tube is connected to the handle and front...

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Bibliographische Detailangaben
Hauptverfasser:	NAM, WON KI, OH, SE HOON, HEO, MUN BEOM, SHIN, JAE WON
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CYCLE AXLE SUSPENSIONS CYCLE FRAMES CYCLE SIDE-CARS, FORECARS, OR THE LIKE CYCLE STEERING DEVICES CYCLES LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS PERFORMING OPERATIONS RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FORCYCLES TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE: A bicycle frame is provided to reduce weight and enhance rigidity since a top tube and a down tube are formed in a dual type. CONSTITUTION: A bicycle frame comprises a head tube(210), a top unit(230), a down unit(240), and a seat tube(220). The head tube is connected to the handle and front wheel of a bicycle. One end of the top unit is connected on the upper part of the head tube. One end of the down unit is connected to the lower part of the head tube. The seat tube is connected to the top and down units, supports the units and is connected to the saddle of the bicycle. The top unit has a dual tube structure, which consists of a pair of top tubes and a pair of seat stays.