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    • 132. 发明专利
    • GEAR SHIFT OPERATION LEVER FOR BICYCLE
    • JPH02267094A
    • 1990-10-31
    • JP8614889
    • 1989-04-05
    • MAEDA IND
    • TAGAWA KOICHI
    • B62M25/04
    • PURPOSE:To improve the operation feeling by providing an operation lever, a wire winding body, and a lever linking body, and furnishing a gearing device which can be mounted and demounted between the wire winding body and the lever linking body. CONSTITUTION:A lever linking body 53 and a wire winding body 2 are linked and connected through a gearing device 61 which can be mounted and demounted. The linking is made by inserting a gearing piece 63 to a gearing body inserting hole 62 to make a reel body 26 rotate together with the linking body 53. As a result, by rotating an operation lever 1 from the neutral position to the wire winding direction or to the wire drawing-out direction, the lever linking body 53 and the reel body 26 are rotated integrally with the lever 1, and when the lever 1 is restored to the neutral position automatically by a spring 49, the reel body 26 is not rotated together with the lever 1. And by rotating the lever 1 from the neutral position to the rotation end, the speed change from the maximum speed stage to the minimum speed stage, or the reverse speed change can be carried out instantly. The operation of the lever 1 is made easier by installing it to a lower lever shaft 6 projecting downward from a lever board 4.
    • 134. 发明专利
    • HANDLE FOR BICYCLE
    • JPH01132488A
    • 1989-05-24
    • JP28816087
    • 1987-11-13
    • MAEDA IND
    • YAMAZAKI TOSHIMASAMIURA KAZUYUKIYAMAZAKI KAZUTO
    • B62K21/16
    • PURPOSE: To properly adjust a longitudinal position of respective handle members according to a figure of a driver by longitudinally slidably supporting the fixing object parts arranged in the left/right handle members to handle clamps arranged on the left/right of a handle post. CONSTITUTION: A pair of handle members 4a, 4b are supported through a pair of handle clamps 3a, 3b on the left/right of a forward projecting lever 2 arranged on the upper end of a handle post 1 so that a longitudinal position can be adjusted. The respective handle members 4a, 4b are composed of a pair of fixing object parts 5a, 5b longitudinally slidably supported by the respective handle clamps 3a, 3b, a pair of first gripping parts 6a, 6b extending in the lateral direction by bending outside in the car width direction from the rear ends of the respective fixing object parts 5a, 5b and the second gripping parts 7a, 7b rising obliquely upward while extending forward from the front ends of the respective fixing object parts 5a, 5b. A third gripping parts 8a, 8b are continuously arranged on the outside ends of the respective first gripping parts 6a, 6b.
    • 135. 发明专利
    • HANDLE FOR BICYCLE
    • JPH01132487A
    • 1989-05-24
    • JP29157887
    • 1987-11-17
    • MAEDA IND
    • YAMAZAKI TOSHIMASAMIURA KAZUYUKIYAMAZAKI KAZUTO
    • B62K21/12B62L3/02
    • PURPOSE: To respectively reduce air resistance and fatigue of arms by forming the sub-gripping parts arranged forward to a pair of left/right main handle lever parts, and placing the elbow part on the main handle lever parts while gripping the sub-gripping parts in a drop type handle. CONSTITUTION: A pair of handle members 4a, 4b are supported through a pair of handle clamps 3a, 3b on the left/right of a forward projecting lever 2 installed on the upper end of a handle post 1 so that a longitudinal directional position can be adjusted. The respective handle members 4a, 4b are composed of a pair of fixing object parts 5a, 5b slidably supported by the respective handle clamps 3a, 3b, a pair of main handle lever parts 6a, 6b extending in the lateral direction by bending outside in the car width direction from the rear ends of the respective fixing object parts 5a, 5b and a pair of sub-gripping parts 7a, 7b rising obliquely upward while extending forward from the front ends of the respective fixing object parts 5a, 5b. A pair of main gripping parts 8a, 8b are continuously arranged in the respective main handle lever parts 6a, 6b.
    • 137. 发明专利
    • RECTILINEAR RECIPROCATION DEVICE FOR ARTICLE TO BE CONVEYED BY EXPANDING AND CONTRACTING ARM
    • JPS638108A
    • 1988-01-13
    • JP15222386
    • 1986-06-27
    • MAEDA IND
    • ASAJI MINORU
    • B65G25/04
    • PURPOSE:To make it possible to perform precise rectilinear reciprocation of an article which is gripped by the front part of an expandable arm, by connecting first and second arms to form the expandable arm, and by stretching an endless chain between pivotal shafts of the expandable arm through the intermediary of sprockets having a rotating ratio of 1:2. CONSTITUTION:A first arm 4 is secured at its base end to a drive shaft 1 and is connected at its front end loosely to a drive shaft 2. A second arm 5 having a length equal to that of the first arm 4 is fitted at its base end onto the drive shaft 2 so that it cooperates with the driven shaft 2. A sprocket 6 which is secured to a bar frame 3 through the intermediary of a coupling leg 8, and a sprocket 7 secured to the driven shaft 2, are connected by means of an endless chain 9, having a rotating ratio of 1:2. When a drive shaft 1 is rotated by an angle of theta, the second arm 2 secured to the driven shaft 5 is rotated by the angle 2theta, and therefore the front end of the second arm 2 moves along the axis Y-Y from a point O to a point O1.