JP2000043774A - Mechanism for turning only handle bar of bicycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To turn only a handle bar system, and to lock the handle bar system to a frame in alignment with a front wheel system by providing a handle bar recessed part and a frame system recessed part in the front wheel system so that a lock lever can be turned around a shaft. SOLUTION: Since a lock lever 1 is pressed clockwise by a spring, a handle bar system fitting part 11 of the lock lever 1 can be fitted to a handle bar recessed part 13 of a handle bar system recessed plate 3, and a head part of the handle bar system fitting part is abutted on a bottom part of the handle bar system recessed part 13. The front wheel system 2 is engaged with the handle bar system 4 through the lock lever 1 and the handle bar system recessed plate 3 to allow the handle bar operation and traveling. In this timing, a frame system fitting part 12 of the lock lever 1 is separated from the frame system recessed part 16 of the frame system recessed plate 5 and the handle bar operation is not impeded.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handlebar of a bicycle in which only the handlebar can be turned to pass a bicycle or a narrow place.

[0092]

2. Description of the Related Art Conventionally, bicycles have the following problems. A. When the bicycle is parked, the handle may be entangled with the handle of an adjacent bicycle, and it may be difficult to pull out the bicycle.
Also, when you put it in a narrow space such as a bicycle parking lot, the steering wheel and the front wheel are wandering and you can not push it as you want. (B) The handle of the bicycle parked on the sidewalk crosses the guardrail and sticks out on the road, so it is late to notice when driving a car, it is likely to cause an accident, and the handle is sticking out It can be very annoying to drive while avoiding. (C) If a bicycle is parked in a 90-cm-wide passage such as an apartment house, it may not be possible to pass the side without twisting the body. (D) If you start passing between the concrete perpetual fence and the car parked near the fence, you may get injured by rubbing your hand on the perpetual fence. You can be very dangerous when you pass through the roadway without getting in between. E If you try to cross a narrow bridge such as a pier of a ferry by pushing the rear carrier, the front wheels will sway and it will be difficult to proceed or drop.

[0093]

This has the following disadvantages. The main cause is that the width of the handlebar when the bicycle with the front wheels straightened when viewed from above is larger than the width of the parts other than the handlebar. If you stop it close enough to touch the other parts, the handlebars get entangled and it is hard to pull it out. If the parts other than the handlebar are stopped in contact with the guardrail, the handlebar may protrude from the guardrail onto the road and be dangerous. C, I feel painful when I hit my body on the handlebar of a bicycle or the inclined front wheel stopped on the sidewalk or narrow passage. D. I can go through the bike but my handlebars can't hit the handlebar. The present invention has been made to solve the above drawbacks.

[0004]

Means for Solving the Problems A handle system fitting portion (1)
The front wheel system (2) is provided with a handle system concave portion (13) and a handle system concave portion (1) so that the lock lever (1) having the frame system fitting portion (12) and the frame system fitting portion (12) can be rotated about the shaft (7). 13) Left recess (14) and right recess (15) shallower
And a frame system recess (16) provided in the frame (6).

[0005]

Embodiments of the present invention will be described below. FIG. 1 shows an embodiment of the present invention, in which a lock lever (1) is provided on a front wheel system (2), a handle system concave plate (3) is provided on a handle system (4), and a frame system concave plate ( 5) is provided on the frame (6). Lock lever (1)
Referring to FIG. 2, the lock lever (1) is attached to a mounting plate (8) so as to be rotatable about a shaft (7), and is pressed clockwise by a spring (9). The spring (9) is mounted around the shaft (7) at its coil portion and presses the lock lever (1) clockwise. The shaft (7) is pressed into a through hole provided in the mounting plate (8). The lock lever (1) and the spring (9) are pivotally supported. The mounting plate (8) has a structure that can be fixed to the column of the front wheel system (2). The lock lever (1) has a lever portion. (10), the handle system fitting portion (11) and the frame system fitting portion (12). The above structure allows the lock that can rotate about the shaft (7) and is constantly pressed clockwise. The lever (1) can be provided on the front wheel system (2). The front wheel system (2) includes a front fork, a column including a part of a front wheel part and small head parts, a column, and a thin pull-up bar and a washer when the column is pressed against the fork stem. As shown in FIG. 3, the handle system recessed plate (3) is recessed on the outer periphery and has a handle system recess (13), a left recess (14) recessed shallower than the handle system recess (13), and a right recess (15). ), And has a structure that can be fixed to the stem of the handle system (4), and the handle system concave portion (11) for fitting the handle system fitting portion (11) of the lock lever (1) to the position of FIG. 1
3) can be provided in the handle system (4). The handle system (4) is composed of a stem and a handle bar, and is attached to the column of the front wheel system (2) shown in FIG. 1 so that the stem can rotate about the column. The washer is locked to prevent it from slipping out. The frame system concave plate (5) has a frame system concave portion (16) as shown in FIG. 4, and has a structure that can be fixed to the frame (6) with a band (17) and other members such as screws. The frame (6) can be provided with a frame recess (16) for fitting the frame fitting portion (12) of the lock lever (1) at the position shown in FIG. When the present invention is used in the above structure, the lock lever (1) shown in FIG.
, The handle system fitting portion (11) of the lock lever (1) can be fitted into the handle system concave portion (13) of the handle system concave plate (3). Part (11) head and handle system recess (1
The bottom of 3) abuts, whereby the front wheel system (2) and the handle system (4) are engaged via the lock lever (1) and the handle system concave plate (3), and are the same as in a conventional bicycle. The steering wheel can be operated and the vehicle can run. At this time, the frame system fitting portion (12) of the lock lever (1) and the frame system recess (16) of the frame system concave plate (5) are separated from each other so that the steering wheel operation can be performed. FIG. 5 shows the handle system fitting portion (11) and the handle system recess (1) during running.
3), frame system fitting portion (12), frame system concave portion (1)
6) shows the fitted state. When turning only the handle, the lever (10) of the lock lever (1) is pressed counterclockwise and the lock lever (1) is turned counterclockwise to rotate the lock lever (1) into the frame system fitting portion ( 12) is fitted into the frame recess (16) of the frame recess plate (5), and the head of the frame fitting portion (12) and the frame recess (16).
The front wheel system (2) is engaged with the frame (6) through the frame system fitting portion (12) and the frame system concave portion (16), and at the same time, the handle system is engaged. The fitting portion (11) is detached from and separated from the handle system concave portion (13), so that only the handle system (4) can be rotated. In FIG. 6, the handle system fitting portion (11) when turning only the handle is used. The handle system concave portion (13), the frame system fitting portion (12), and the frame system concave portion (16) show the fitted state.
After the handle system (4) is rotated from a state in which only the handle system (4) can be rotated until the handle system recess (13) passes through the handle system fitting portion (11), the lever portion (1) is rotated.
When the pressing of 0) is released and the handle system (4) is subsequently rotated, the handle system fitting portion (11) fits in the left recess (14) or the right recess (15) of the handle system recessed plate (3). Together, the front wheel system (2) and the handle system (4) are engaged. In this state, the left recess (14) and the right recess (15) are formed shallower than the handle system recess (13). The frame fitting portion (12) cannot be completely removed from the frame recess (16) and the frame fitting portion (12) and the frame recess (1).
6) is in a fitted state, and the front wheel system (2) is locked to the frame (6), so that the front wheels and the steering wheel can be prevented from swaying when the bicycle is parked together with the above.
FIG. 7 shows the handle system fitting part (11) and the left concave part (1
4), frame system fitting portion (12), frame system concave portion (1)
6) shows the fitted state. Similarly to the above-mentioned operation, the shift from the bicycle parking state to the running state is performed by pressing the lever portion (10) of the lock lever (1) counterclockwise and the head of the frame system fitting portion (12) and the frame system. The lock lever (1) is rotated counterclockwise until the bottom of the recess (16) comes into contact with the handle system fitting portion (11) to separate and separate from the left recess (14) or the right recess (15). Then, only the handle system (4) is rotated and the left recess (14) or the right recess (15) passes through the handle system fitting portion (11) and releases the pressing of the lever (10). When the handle 4 is rotated, the handle system fitting portion 11 and the handle system concave portion 13 are fitted to each other, and the front wheel system 2 and the handle system 4 are engaged with each other so that the steering wheel can be operated. Easy migration. As shown in FIG. 8, the lock lever can be operated with the same lever and wire as the brake lever, and only the steering wheel can be turned to park the bicycle or return from the bicycle parking state to the running state with one hand. You can also.

[0006]

By using the present invention, only the handle system can be turned, and the handle system can be locked to the frame together with the front wheel system. Even if it is stopped close to the handlebar, the handlebar is stored inside the other part of the handlebar so that the handlebar does not become entangled with the bicycle on both sides, and the front wheel can be locked with the frame so it is easy Can be withdrawn. (B) Even if a portion other than the handlebar is stopped so as to come into contact with the guardrail, the handlebar does not protrude from the guardrail to the road, so that traffic is not obstructed and danger can be prevented. C. Even if stopped on sidewalks or narrow passages, the front wheels are straight and the steering wheel can be turned sideways, making it easier to pass by the side of the stopped bicycle, reducing the chance of hitting the body and making you feel painful. D. Even narrow bridges such as the pier of a ferry can be pushed by the rear carrier because the front wheels can be kept still. E, bicycle parking lots, etc., can be accommodated to the same degree without special equipment. And so on.

[Brief description of the drawings]

FIG. 1 is a front view of a cross section of a part of the present invention.

FIG. 2 is an exploded perspective view of a lock lever related to the present invention.

FIG. 3 is a perspective view of a handle system concave plate of the present invention.

FIG. 4 is a perspective view of a frame-based concave plate according to the present invention.

FIG. 5 is an explanatory view of fitting and disengaging of a lock lever during traveling according to the present invention.

FIG. 6 is an explanatory view of fitting and removing of a lock lever when only the handle of the present invention is turned.

FIG. 7 is an explanatory view of fitting and removing of a lock lever during parking of a bicycle according to the present invention

FIG. 8 is a perspective view of an application example of the present invention.

[Explanation of symbols]

 Reference Signs List 1 lock lever 2 front wheel system 3 handle system concave plate 4 handle system 5 frame system concave plate 6 frame 7 shaft 8 mounting plate 9 spring 10 lever unit 11 handle system fitting unit 12 frame system fitting unit 13 handle system recess 14 Left recess 15 Right recess 16 Frame recess 17 Band

Claims (1)

[Claims] 1. A structure in which both ends of a lock lever that rotates about a shaft provided on a front wheel system of a bicycle are alternately fitted into a recess provided in a handle system and a recess provided in a frame system. A mechanism that allows only the handle of a bicycle to be turned.