WO2005005239A1

WO2005005239A1 - Leisure couple bicycle

Info

Publication number: WO2005005239A1
Application number: PCT/KR2003/001597
Authority: WO
Inventors: Yang Uok Kim
Original assignee: Yang Uok Kim
Priority date: 2003-07-15
Filing date: 2003-08-08
Publication date: 2005-01-20
Also published as: KR200339826Y1

Abstract

The present invention relates to a bicycle constructed by combining widthwisely two conventional bicycles to each other for enabling two persons to enjoy a traveling with a pair of bicycles, and more particularly, to a leisure bicycle constructed by connecting steering sections, front sash sections and rear sash sections of the pair of bicycles with connecting brackets having a certain length, wherein the steering sections are connected to a steering bracket connected to handles to steer integrally the handles, clamps are mounted to front sash sections and rear sash sections and connecting brackets with a certain length are combined with the clamps so that two bicycles can be maintained in parallel state at a certain interval, and wherein the rear sash has a seat for children formed between connecting sections thereof so that the connecting site of the rear sash can be maintained stably, thus it is possible to maintain a stable state of the bicycle without loosing balance and falling during the riders ride the bicycle even though a road surface is slightly uneven and to secure a stability, and two riders can ride safely the bicycle in a body and the user can obtain an effect of leg exercise and utilize the bicycle as an amusement utensil. A steering handle (10) is provided at a front side, a front wheel (40), and a rear wheel (50) and a pedal (50) are mounted to a front sash (20) and a rear sash (30), respectively, is characterized in that steering link (130) are fixed to a neck portion (110) which can be moved integrally with a front wheel maintenance frame (100) between both front sashes (20) of two bicycles so that a steering connecting bracket (140) having a bow shape is maintained elastically at the steering links (130), connecting clamps (300, 300) are combined with and fixed to fixing clamps (200, 200) on the front and rear sashes (20, 30) so that connecting brackets (400, 400) with a certain length are combined with and fixed to the connecting clamps (300, 300) which are corresponded to each other, whereby two bicycles are integrated in parallel at a certain interval.

Description

LEISURE COUPLE BICYCLE

Technical field The present invention relates to a bicycle constructed by combining widthwisely two conventional bicycles to each other for enabling two persons to enjoy a traveling with a pair of bicycles, and more particularly, to a leisure bicycle constructed by connecting steering sections, front sash sections and rear sash sections of the pair of bicycles with connecting brackets having a certain length, wherein the steering sections are connected to a steering bracket connected to handles to steer integrally the handles, clamps are mounted to front sash sections and rear sash sections and connecting brackets with a certain length are combined with the clamps so that two bicycles can be maintained in parallel state at a certain interval, and wherein the rear sash has a seat for children formed between connecting sections thereof so that the connecting site of the rear sash can be maintained stably, thus it is possible to maintain a stable state of the bicycle without loosing balance and falling during the riders ride the bicycle even though a road surface is slightly uneven and to secure a stability, and two riders can ride safely the bicycle in a body and the user can obtain an effect of leg exercise and utilize the bicycle as an amusement utensil

Background Art In general, in a bicycle, a rear sash and a front sash are connected to each other and a steering handle is mounted to the front sash. Also, wheels are mounted to the front and rear sashes so that the bicycle can be forwarded by a pedal which transmits a driving force. Also, only one cyclist can ride the conventional bicycle. Also, the conventional bicycle is advantageous in that the wheel and saddle are mounted in a longitudinal direction so that two or more cyclists pedal off to drive and ride the bicycle. However, since the wheels are arranged in a longitudinal direction, the plurality of cyclists should in one unitedness body and balance oneself to ride the bicycle, and since a length of the bicycle is long, such bicycle is disadvantageous in that it is not easy to have the custody of the bicycle and to carry the bicycle. Also, in view of a center of the bicycle, the bicycle in which a rear sash is spaced widthwise at a certain interval from a front sash to maintain a certain width between a wheel mounted to the rear sash and a wheel mounted to the front sash in order to prevent the bicycle from falling down although the bicycle is in stand state is known. In this case, however, although the stability can be secured to some degree, as compared with the conventional bicycle, the rear sash is manufactured separately by a specific design and a manufacturing cost becomes high so that there has no practical use. Also, in order construct two bicycles in parallel, the integral type bicycle in which the front and upper sashes are manufactured integrally has been made and used. However, since a manufacturing cost becomes high due to a separate design and a special manufacturing process, and such bicycle can be used only for specific purpose, in view of a manufacturing cost, man is reluctant to manufacture and produce the bicycle. In particular, the present invention improves the bicycle disclosed in the Korean

Utility Model Registration No. 0287307 invented prior to the present invention to facilitate combination and separation of a portion of clamp section and connecting section which are connected to a steering connecting section, a front sash connecting section and a rear sash connecting section by a clamp and a connecting bracket.

Disclosure of Invention An object of the present invention is to solve the above problems and to provide a couple bicycle manufactured by combining steering sections, front sash sections and rear sash sections of two bicycles with each other in a parallel at a predetermined space without changing largely a shape of the conventional bicycle so as to maintain a unit of one bicycle and to enable cyclists to ride integrally two bicycles and to secure the stability without falling down when the bicycles are in stand as the conventional bicycle. Also, an object of the present invention is to provide the couple bicycles in which two riders sit in parallel on each paddle of the bicycles integrated in parallel and pedal and adjust the steering handles and ride the bicycle with mutual integration and can enjoy an exercise and amusement. Also, the present invention provides the leisure couple bicycle which can adjust an interval between two bicycles to run stably without falling down and to prevent an accident by combining and connecting the steering sections of the two bicycles with a steering bracket and combining and connecting the front and rear sash section with a connecting bracket and compensating a distance between the connected sections.

Brief Description of Drawings Fig. 1 is a perspective view of a leisure couple bicycle according to the present invention; Fig. 2 is an exploded perspective view of the leisure couple bicycle according to the present invention; Fig. 3 is an exploded perspective view of a steering connecting section of the leisure couple bicycle according to the present invention; Fig. 4 is an exploded perspective view of a front sash section of the leisure couple bicycle according to the present invention; Fig. 5 is an exploded perspective view of a rear sash section of the leisure couple bicycle according to the present invention; Fig. 6a and Fig 6b are an exploded perspective view of another embodiment of the leisure couple bicycle according to the present invention and a sectional view showing an essential part thereof; and Fig. 7 is a perspective view showing another embodiment of the leisure couple bicycle according to the present invention.

Best Mode for Carrying out the Invention Hereinafter, the embodiments of the present invention will be described in detail with reference to accompanying drawings. As shown in Fig. 1 and Fig. 2, a handle 10 is provided at a steering section, a front and rear wheels 40 and 50, a pedal 60 and a saddle 70 are provided a front and rear sashes 20 and 30 to constmct a bicycle, a front wheel maintenance frame 100 for maintaining and fixing the front wheel 40 is mounted to the front sash 20 and can be pivoted by the handle 10 so that a traveling direction of the bicycle can be controlled by the front wheel maintenance frame 100. In the leisure couple bicycle according to the present invention, as shown in Fig. 1 and Fig. 2, the steering sections of two bicycles are connected to a steering connecting bracket 140, connecting brackets 400, 400 having a certain length are connected to the first and rear sashes 20, 30 of the two bicycles, respectively. Thus, two bicycles are connected integrally in parallel at a certain interval. First, the steering connecting bracket 140 has an approximately "t=" shape, and base sections formed at both ends are combined with the steering section of two bicycles so that the steering connecting bracket is mounted moveably to the two bicycle. In the steering connecting bracket 140, as shown in Fig. 2 and Fig. 3, a combining hole 120 is formed on a neck portion 110 which is moved integrally with the front wheel maintenance frames 110 of both front sashes 20, then a steering link 130 is fixed to the combining hole 120 by means of a bolt 131 and the like. Also, the steering connecting bracket 140 with a bow shape is combined elastically with the steering links 130 by means of a bolt 141 and a spring 142 so that the handles 10 of both bicycles can steer integrally the couple bicycle. A screw hole 132 of the steering link 130 and a connecting hole 143 formed at an end of the steering connecting bracket 140 are face to each other, and then the steering link 130 and the steering connecting bracket 140 are connected to each other by the bolt 141. Between the screw hole 132 and the connecting hole 143, the spring 142 and a washer are located. In this state, the bolt 141 is screwed in the screw hole 132 and the connecting hole 143 so that a gap is created between the steering link 130 and the steering connecting bracket 140. Accordingly, as described below, in cases where a height of one of two bicycles which are traveling parallel with each other differs from thai of the other, an interval is generated between two bicycles, or a somewhat interval between a front portion and a rear portion is formed, This structure enables the bicycle to run stably. As shown in Fig. 4 and Fig. 5, on the front and rear sashes 20 and 30 of the both bicycles, connecting clamps 300, 300 are combined with and fixed to fixing clamps 200, 200 by means of a fixing means such as a bolt 500 and the like so that the connecting clamps 400, 400 having a certain length are combined with and fixed to the connecting clamps 300, 300 which are corresponded to each other to connect integrally two bicycles in parallel at a certain interval. The connecting brackets 400, 400 connecting the front and rear sashes 20 and 30 of the bicycles are rods having a length to the extent that an operation of the pedals 60 is interfered with the connecting brackets when the cyclists ride the bicycle. The fixing clamps 200, 200 are connected to both ends of the connecting brackets 400, 400 in a screw combination manner. On the fixing clamps 200, 200, spiral combining sections 310 are formed integrally to combine with spiral sections of the combining brackets 400, 400 so that the fixing clamps are combined with the corresponding connecting clamps 300, 300 by means of the bolts 500. Also, although a chain assembly which is driven by the pedal 60 is provided at a right side with respect to the rear wheel, the chain assembly is installed at a left site of the bicycle positioned at a left side to enable a combination and separation of the chain assembly to facilitate. In a case where the bicycles are combined and separated by using the clamp, the present invention is advantageous in that two bicycles can be run separately or integrally. As shown in Fig. 6 and Fig. 7, the connecting brackets 400, 400 are connected to the handle maintenance frame 80 and a rear wheel fixing shaft 90 so that two bicycles can be run integrally. In above case, a connecting frame 700 is welded and fixed to both circumference surfaces of the handle maintenance 80 which is rotated freely since the handle 10 is mounted to the front wheel 40 side. The connecting frame 700 is projected to the extent that the connecting bracket 400 can be combined spirally, and has a spiral 710 formed on an inner circumference surface so that a screw section of the connecting bracket 400 is screwed to the connecting bracket 400 so that two bicycles are connected integrally in parallel as shown in Fig. 7. Also, as shown in Fig. 6, at the rear wheel 50 side, a small screw 411 of a spiral combining frame 410 is screwed to a spiral section of a rear wheel fixing shaft 90 and the connecting bracket 400 is screwed to and combined with a large spiral section 412 of the spiral combining frame 410 so that two bicycles are connected integrally in parallel as shown in Fig. 7. Further, in the present invention, the rear sashes 30 of two bicycles combined with each other have a seat 600 for children mounted thereto so that a child can ride together on the bicycle.

Industrial Applicability According to the present invention, a couple bicycle is manufactured by combining steering sections, front sash sections and rear sash sections of two bicycles with each other in a parallel at a predetermined space without changing largely a shape of the conventional bicycle so as to maintain a unit of one bicycle and to enable cyclists to ride integrally two bicycles and to secure the stability without falling down when the bicycles are in stand as the conventional bicycle. Also, in the couple bicycles according to the present invention, two riders sit in parallel on each paddle of the bicycles integrated in parallel and pedal and adjust the steering handles and ride the bicycle with mutual integration and can enjoy an exercise and amusement. Also, the present invention provides the leisure couple bicycle which can adjust an interval between two bicycles to run stably without falling down and to prevent an accident by combining and connecting the steering sections of the two bicycles with a steering bracket and combining and connecting the front and rear sash section with a connecting bracket and compensating a distance between the connected sections.

Claims

1. A bicycle in which a steering handle 10 is provided at a front side, a front wheel 40, and a rear wheel 50 and a pedal 50 are mounted to a front sash 20 and a rear sash 30, respectively, is characterized in that steering links 130 are fixed to a neck portion 110 which can be moved integrally with a front wheel maintenance frame 100 between both front sashes 20 of two bicycles so that a steering connecting bracket 140 having a bow shape is maintained elastically at the steering links 130, connecting clamps 300, 300 are combined with and fixed to fixing clamps 200, 200 on the front and rear sashes 20, 30 so that connecting brackets 400, 400 with a certain length are combined with and fixed to the connecting clamps 300, 300 which are corresponded to each other, whereby two bicycles are integrated in parallel at a certain interval.

2. The leisure couple bicycle according to Claim 1, wherein the rear sashes 30 of the bicycles have a seat for children mounted detachably to therebetween.