FOLDING-TYPE FRAME

PURPOSE: A foldable frame is provided to easily transfer and keep a bicycle and to prevent an accident by enduring sudden external shock, and to secure strength. CONSTITUTION: A foldable frame comprises an upper frame(12), a lower frame(15), and a front frame(13). A fork(11) and a handle bar(18) are...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SOHN, IL SEON, KIM, IN GOOK
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BEARINGS BLASTING CYCLE AXLE SUSPENSIONS CYCLE FRAMES CYCLE SIDE-CARS, FORECARS, OR THE LIKE CYCLE STEERING DEVICES CYCLES ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FORCYCLES ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE: A foldable frame is provided to easily transfer and keep a bicycle and to prevent an accident by enduring sudden external shock, and to secure strength. CONSTITUTION: A foldable frame comprises an upper frame(12), a lower frame(15), and a front frame(13). A fork(11) and a handle bar(18) are connected to the front end of the upper frame. A seat post(19) is connected to the rear end of the upper frame. The lower frame is located in the under the upper frame. A front sprocket is connected to the front end of the lower frame, and a rear sprocket is connected to the rear end of the lower frame. The front frame connects the front end of the upper frame and the front end of the lower frame.