JPS60102191U - Bicycle drive device whose force changes depending on the length of the arm - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

FIG. 1 is an explanatory diagram of the drive mechanism of a general bicycle. Figure 2 is an embodiment in which the pedal shaft and pedal shaft sleeve of the present invention are not eccentric. Figure 3 is an embodiment in which the pedal shaft and arm of the present invention are eccentric. Figure 4 is an embodiment of the telescoping arm of the present invention. Figure 5 ★Example of the double-stage telescoping arm of the present invention. Figure 6 is an embodiment of the displacement mechanism of the double-stage telescoping arm of the present invention. FIG. 7 is an explanatory diagram of a mechanism that allows the localization to be shifted using the pedal of the embodiment shown in FIG. 6. 8th
Figure: An example of the foldable mechanism of this invention. FIG. 9 is an example of the extension and contraction of the arm by gear drive according to the present invention. FIG. 10 is another embodiment of the mechanism shown in FIG. 5. FIG. 11 is another embodiment of the mechanism shown in FIG. 6. FIG. 1-2 is another embodiment of the mechanism shown in FIG. 8. FIG. 13 is another embodiment of the mechanism shown in FIG. 9.
゛Amendment September 20, 1982 The name of the invention is amended as follows. ■Name of the invention Bicycle drive device whose force changes depending on the length of the arm The scope of the utility model registration claim and the brief description of the drawings are amended as follows. , O Utility Model Registration Claim 1 Aiming to increase the driving force by increasing the working arm of the force,
There are 5 driving force methods and their mechanism design that are effective in reducing stepping effort. A folding arm that can be powered by an eccentric pedal or a telescoping arm, or by an eccentric auxiliary arm coaxial with the wheel, which increases the driving force by changing the force produced during the cyclic process of the foot drive and increases the power of the foot pedal. Let's talk about drive circulation that can save labor. When you step down on the pedal-
It is characterized by having a working angle that reduces the load of the pedal shaft and the wheel during rotation, and maximizes the force of the foot pedal. 2. Scope of Utility Model Registration Claims The bicycle driving method and mechanism described in paragraph 1 include an eccentric pedal shaft and a pedal mechanism, and the base pedal shaft and the pedal bearing or sleeve (
The bush (buttshu) is assembled so that it can be eccentric, and it delivers power to the arm. 3. Scope of Utility Model Registration The bicycle rotation mentioned in Paragraph 1 of the claim - the driving method and mechanism of the vehicle consists of a bearing in the hole of the Bege/L/shaft of the eccentric pedal and the pedal shaft of the arm. The sleeve (butshu) is assembled eccentrically,
Power is transmitted to the arm. 4. As stated in paragraphs 2 and 3 of claims for utility model registration,
Bearing methods and mechanisms use unidirectional bearings. 5. Among the bicycle driving method and its mechanism described in claim 1 of the utility model registration claim, there is provided a method of driving a bicycle with two stages or more than two stages of reciprocally sliding telescoping arms, the middle stage of which is curved in accordance with the driving direction. In this mechanism, there is a guide hole at the end of the curve, and the collapse spring and one end of the uninstalled arm are housed in the guide hole so that they can slide relative to each other. The end of this uninstalled arm is combined with the pedal, and extends when the pedal is stepped forward, and returns to its original position and shortens when the pedal is tightened. Another feature is that a telescopic limit stop is installed between each sliding arm.
16. Among the methods and mechanisms described in Claim 1 of the Utility Model Registration Claim, the mechanism of the telescoping arm and the bearing or sleeve (bush) are attached to the eccentric auxiliary arm on the fixed seat of the central shaft. It includes a double-stage arm. Its double-stage a. - The first stage of the arm is fixed to the central shaft, and one end of the second stage is combined with the pedal shaft and the pedal. The middle stage is a forward eccentric auxiliary arm, and the shaft passes through a hole in the sprocket and is then combined with a hole in the sleeve or bearing. The other end fits into a guide hole provided at the end of the first stage arm. This double-stage arm mutually expands and contracts,
In addition, the eccentric auxiliary arm is such that the direction in which it is stepped down is offset from the axis of the central shaft. 7. Among the methods and mechanisms described in claim 6 of the utility model registration claim, one end of the second stage arm is combined with the pedal shaft and the pedal, which is one step further than the telescopic arm mechanism. After passing through a hole drilled in the other end sprocket, it is combined with the eccentric auxiliary arm at seat B, and then combined with the end of first stage A1 at AJ in the middle stage. The movement locus of the eccentric auxiliary arm deviates from the center axis when the pedal is in the return direction of doffing. Each of the above-mentioned joints c1 must be able to slide, and the length of the eccentric auxiliary arm must be shorter than that of the first stage arm. Also, as already mentioned, there is a fitting hole at the bottom of the pedal, and a protruding post at the middle position of the pedal shaft and the sleeve (gutshu) that fits it. Align it with the hole. Furthermore, the ends of the sleds are secured with nuts or other means. The pedal works in conjunction with the arm's deflection. 8. Scope of Utility Model Registration Among the methods and mechanisms described in paragraph 1, the folding arm reduces the effort required to step on a bicycle, and its main parts are as follows. Fit the bearing or sleeve (belash) to the eccentric auxiliary arm on the fixed seat of the central shaft. Its distal end has an outwardly extending through shaft, and its eccentric auxiliary arm is deflected forward in the stepping direction. - The double-stage arms of the set have one end of the first stage arm and the central axis fixed. The other end has a circular hole in which a sleeve or bearing is mounted. A shaft rod is passed through the center, and a second stage arm is fixed to the outside of the shaft rod. A foot shaft and pedal are attached to the end of the second stage arm. Further, the inside of the shaft rod passes through a hole drilled in the sprocket, and then a small connecting rod parallel to the second stage arm is fixed along the extending direction of the second stage arm. This small connecting rod extends outwardly at the end of the connecting shaft and the eccentric auxiliary arm and is used as a through shaft. Moreover, the short end of the connection between the two is half the displacement of the eccentric auxiliary arm. 9 The method described in paragraph 8 of claims for utility model registration,
The small connecting rod for fixing is oppositely parallel to the second stage arm, and the relationship between the two is based on the maximum deflection direction of the eccentric auxiliary arm and the small connecting rod and the second stage arm. In terms of the mechanical rough angle relationship, when the pedal at the end of the second stage arm is always within the flow range, the center axis distance is greater than the axis distance of the upper water stroke range. 10 Scope of Claim for Utility Model Registration - Among the bicycle driving method and its mechanism design that increase the force by increasing the length of the arm that exerts force as described in item 8, the one that is one step ahead of the folding arm. First, the gear is fixed to the fixed seat of the central shaft, and a shaft bearing or sleeve is installed inside the end of the first stage arm, and one shaft rod is passed through it. One end of the shaft rod is fixed to the second stage arm. The other end passes through a hole drilled in the sprocket, and then further fixes the aforementioned gear and interlocking gear, thereby determining the relative position of the center shaft and the pedal shaft. 11 Scope of Utility Model Registration Claims In the bicycle driving method and its mechanism for increasing the driving force by increasing the force working arms as stated in Chapters 1 to 1, the pedal and the The maximum distance of the wheel axle is always within the angular range of the externally applied fluid force. 12 Scope of Claims for Utility Model Registration The bicycle driving method and mechanism for increasing the driving force by increasing the force acting arm described in Chapters 1 to 1 may be installed only on one side, or may be installed on both sides. Its feature is that it can be installed in a corresponding position. Brief Description of the Drawings Figure 1 is an explanatory diagram of the drive mechanism of a general bicycle. FIG. 2 is an elevational view of an embodiment in which the pedal shaft and pedal shaft sleeve of the present invention are eccentric. FIG. 3 is a partially cutaway side view of an embodiment of the present invention in which the pedal shaft and arm are eccentric. FIG. 4 is an elevational view of an embodiment of the telescoping arm of the present invention. FIG. 5 is a partially cutaway side view of an embodiment of the double-stage telescoping arm of the present invention. FIG. 16 is a partially cutaway side view of an embodiment of the displacement mechanism of the double-stage telescoping arm of the present invention. FIG. 7 is an explanatory diagram of a mechanism that allows the localization to be shifted using the pedal of the embodiment shown in FIG. 6. FIG. 8 is a partially cutaway side view of an embodiment of the foldable arm mechanism of the present invention. FIG. 9 is a partially cutaway side view of an embodiment of the gear-driven arm extension and retraction according to the present invention. FIG. 10 shows another embodiment of the mechanism shown in FIG. FIG. 11 is a side view of another embodiment of the mechanism shown in FIG. 6. FIG. 12 is a side view of another embodiment of the mechanism shown in FIG. 8. 13th
The figure is a side view of another embodiment of the mechanism shown in FIG. 9. 1... First stage arm, 2... Chain sprocket,
3...Pedal, 4...Eccentric auxiliary arm, 6...Gear, 11...Guide hole.

Claims (1)

[Claims for Utility Model Registration] 1. Increasing the driving force by increasing the working arm of the force,
The driving method and mechanism design are effective in reducing stepping effort. A folding arm that transmits power by an eccentric pedal or a telescoping arm, or by an eccentric auxiliary arm coaxial with the wheel, which increases the driving force by changing the force produced during the cyclic process of the foot drive and increasing the foot pedal. The drive circulation can save labor. When the pedal is depressed, the rotation period of the pedal shaft and the wheel reduces the load on the return stroke and maximizes the force of the foot pedal. 2. The military driving method and mechanism described in paragraph 1 of the new patent claim part includes an eccentric pedal shaft and pedal mechanism, and the pedal shaft and the pedal bearing or sleeve (button) are assembled so that they can be eccentric. The power is applied to the arm. 3. The bicycle driving method and mechanism described in claim 1 of the new patent claim is such that the bearings or sleeves (butches) in the holes of the pedal shaft of the eccentric pedal and the pedal shaft of the arm are eccentric. Once assembled, power is transmitted to the arm. 4. The bearing of the method and mechanism described in paragraph 2.3 of the patent claim uses a unidirectional bearing. 5- Among the bicycle driving method and mechanism described in paragraph 1 of the new patent claim part, the double-stage type has two or more stages of mutually sliding telescoping arms, the middle stage of which follows the driving direction. It is a curved mechanism, and there is a gold guide hole at the end of the curve, and the collapse spring and one end of the uninstalled arm are housed in the guide hole so that they can slide against each other. . The end of this uninstalled arm is combined with the pedal, and expands when the pedal is stepped forward, and returns to the original & position when contracting in diameter and shortens. Another feature is that a telescopic limit stop is installed between each sliding arm. -6 In the method and mechanism described in paragraph 1 of the patent claim part, the mechanism of the telescoping arm and the bearing or sleeve (bush) are mounted on the eccentric auxiliary arm on the fixed seat of the central shaft. The first stage of the double-stage arm is fixed to the central shaft, and one end of the second stage is combined with the pedal shaft and the pedal. The middle stage is a forward eccentric auxiliary arm whose through shaft passes through a hole in the sprocket and then combines with a hole in the sleeve or bearing. The other end fits into a guide hole provided at the end of the first stage arm. The double-stage arms extend and contract mutually, and the direction in which the eccentric auxiliary arm is stepped down is offset from the axis of the central shaft. 7. Among the methods and mechanisms described in paragraph 6 of the claim for a new patent, the telescoping arm mechanism is one step further, in which one end of the first arm is combined with a pedal shaft and a pedal. - After passing through a hole drilled in the other end sprocket, combine it with the eccentric auxiliary arm at B, and then combine it with the end of the first stage arm at A in the middle. The movement locus of the eccentric auxiliary arm deviates from the center axis when the pedal is in the force direction when the pedal rests. Each of the connecting islands mentioned above should be able to slide,
In addition, the length of the eccentric auxiliary arm must be shorter than that of the first stage arm. Also, as already mentioned, there is a fitting hole at the bottom of the pedal, and a protruding post at the middle position of the pedal shaft and the sleeve (gutshu) that fits it. Align it with the hole. Furthermore, the end is fastened with a nut or something else. The pedal moves in conjunction with the arm's displacement. 8. Among the methods and mechanisms described in the first paragraph of the patent claim, the foldable arm reduces the effort of stepping on a bicycle, and its main components are as follows. Fit the bearing or sleeve to the eccentric auxiliary arm on the fixed seat of the central shaft. At its distal end there is an outwardly extending threaded shaft whose eccentric auxiliary arm is deflected forward in the stepping direction. - The double-stage arms of the set have one end of the first stage arm and the central axis fixed. The other end has a round hole in which a sleeve or bearing is mounted. A single shaft rod is passed through the center, and a second stage arm is fixed to the outside of the shaft rod. - A foot shaft and pedal are attached to the end of the second stage arm. After the shaft rod passes through a hole drilled in the sprocket, a small connecting rod parallel to the second stage arm is fixed along the extending direction of the second stage arm. This small connecting rod is used for a connecting shaft and a through shaft extending outwardly at the end of the eccentric auxiliary arm. In addition, the connection distance between the two is equal to half of the displacement of the eccentric auxiliary arm. 9 In the method and mechanism described in paragraph 8 of the patent claim part, the small connecting rod for fixing is oppositely parallel to the second stage arm, and the relationship between the two is the maximum deviation of the eccentric auxiliary arm. Due to the orientation and the mechanical phase angle relationship between the small connecting rod and the second stage arm, when the pedal at the end of the second stage arm is always within the flow range, the axis of the resting force stroke range is the same as its center axis distance. It is greater than the distance. 10 Increasing the force by increasing the length of the force-acting arm as stated in item 8 of the patent claim.Among other bicycle drive methods and their mechanical design, the folding arm is one step more advanced. The gear is fixed to the fixed seat of the central shaft, and a shaft bearing or sleeve is installed inside the end of the first stage arm, and one shaft rod is passed through it. One end of the shaft rod is fixed to the second stage arm. After the other end passes through a hole drilled in the sprocket, the above-mentioned gear and interlocking gear are fixed 1 to determine the relative position of the center shaft and the pedal shaft. 11 In the bicycle driving method and its mechanism for increasing the driving force by increasing the force-acting arms described in Chapters 1 to 1 of the patent claim for a new patent, during the trajectory of the foot pedal movement, the pedal and wheel shaft The maximum distance of is always within the range of externally applied fluid force angles. 12 The bicycle driving method and its mechanism for increasing the driving force by increasing the force exerted by the arms described in sections 1 to 1 of the new patent claim part may be installed only on one side, or may be installed on both sides. Its feature is that it can be installed in any position.