JPS6436296U

JPS6436296U -

Info

Publication number: JPS6436296U
Application number: JP13272187U
Authority: JP
Priority date: 1987-08-31
Filing date: 1987-08-31
Publication date: 1989-03-06

Description

[Brief explanation of the drawing]

第１図は本考案の分解斜視図、第２図は本考案
のペダル部分の側面図、第３図は本考案スプロケ
ツトギアを外側に配置した時の底面図。１はペダルロツド、２は係止リング、３はダン
パー用パツキン、４は回転ドラム、５はスプリン
グ、６は係止リング止めビス、７はビス穴、８は
ペダルラバー、９，１０はストツパー、Ａはスプ
ロケツトギア、Ｂは主軸、Ｃはチエーン、Ｄは後
輪ギア、Ｅは自転車タイヤ、Ｆは車体フレーム、
Ｆ１はストツパー９の付くフレーム、Ｆ２はスプ
リング５の係るフレーム、Ｆ３はストツパー１０
のつくフレーム。 Fig. 1 is an exploded perspective view of the present invention, Fig. 2 is a side view of the pedal portion of the present invention, and Fig. 3 is a bottom view when the sprocket gear of the present invention is disposed on the outside. 1 is a pedal rod, 2 is a locking ring, 3 is a damper gasket, 4 is a rotating drum, 5 is a spring, 6 is a locking ring fixing screw, 7 is a screw hole, 8 is a pedal rubber, 9 and 10 are stoppers, A is the sprocket gear, B is the main shaft, C is the chain, D is the rear wheel gear, E is the bicycle tire, F is the body frame,
F1 is a frame with a stopper 9, F2 is a frame with a spring 5, F3 is a frame with a stopper 10
Frame with markings.

Claims

[Claims for Utility Model Registration] 1. Rotating drums 4 that are engaged only in one direction are attached to both ends of a coaxial extension shaft of a drive sprocket gear whose main axis is the crankshaft.
A damper packing 3 is provided on the outer periphery of the damper packing 3 for absorbing shock, and a locking ring 2 is fitted so as to wrap around the outer periphery of the damper packing. The locking ring 2 is formed integrally with one end in the main axis direction of the pedal rod 1 of the present invention, which serves as a substitute for a crank pedal, and is secured with a bolt as shown in FIG. do. Furthermore, stoppers 9 and 10 are provided at appropriate intermediate positions between the vehicle body frames F1 and F3 to stop the left and right pedal rods 1 at the upper starting point and the lower dead center of the depressed position, as shown in FIGS. 2 and 3.
In addition, a spring 5 as shown in Fig. 3 is prepared around the outer periphery of the main shaft B of the pedal rod 1, and one side of the spring 5 is hung on the vehicle body frame F2, and the other side is attached to the pedal rod 1.
Hang it on the bottom of the main shaft side. A bicycle traveling drive mechanism characterized by being configured as described above. 2. Utility model registration claim 1, which is characterized in that an overlapping structure is provided for folding or sliding the arm portion of the pedal rod in a normal manner, and the length of the pedal rod can be freely adjusted. bicycle travel drive mechanism. 3. Attach stoppers 9 and 10 for stopping the pedal rod 1 at the top starting point and bottom dead center to the vehicle body frame F1,
The bicycle running drive mechanism according to claim 1, which is a registered utility model, characterized in that it can move to any position on F3 and freely change the positions of the top starting point and bottom dead center of the pedal rod 1. 4. The bicycle running drive mechanism according to claim 1, wherein the sprocket gear A that drives the chain is located outside the right pedal rod 1 as shown in FIG.