KR20160143447A - Bicycle frame assembly - Google Patents

Bicycle frame assembly Download PDF

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Publication number
KR20160143447A
KR20160143447A KR1020150080199A KR20150080199A KR20160143447A KR 20160143447 A KR20160143447 A KR 20160143447A KR 1020150080199 A KR1020150080199 A KR 1020150080199A KR 20150080199 A KR20150080199 A KR 20150080199A KR 20160143447 A KR20160143447 A KR 20160143447A
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KR
South Korea
Prior art keywords
coupling portion
pedal
steering shaft
stance
frame member
Prior art date
Application number
KR1020150080199A
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Korean (ko)
Inventor
김은규
Original Assignee
주식회사 한국 에이씨엠
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Publication date
Application filed by 주식회사 한국 에이씨엠 filed Critical 주식회사 한국 에이씨엠
Priority to KR1020150080199A priority Critical patent/KR20160143447A/en
Publication of KR20160143447A publication Critical patent/KR20160143447A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K19/00—Cycle frames
    • B62K19/02—Cycle frames characterised by material or cross-section of frame members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D12/00—Producing frames

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

The present invention relates to a bicycle frame assembly formed of a composite carbon fiber material. According to the present invention, the bicycle frame assembly comprises a frame body (110). The frame body (110) includes: a hollow main post portion (111); a hollow pedal coupling portion (112) disposed on a lower portion of the hollow main post portion (111); a hollow steering shaft coupling portion (113) disposed in front of the hollow main post portion (111); a hollow upper connecting portion (114) extending between the hollow main post portion (111) and the hollow steering shaft coupling portion (113); a hollow lower connecting portion (115) extending between the hollow pedal coupling portion (112) and the hollow steering shaft coupling portion (113); and first and second stay portions (116, 117) extending backward from the hollow main post portion (111) and the hollow pedal coupling portion (112), and spaced apart from each other in a width direction. The frame body (110) is formed by coupling a first frame member (120) to a second frame member (140). The first and second frame members (120, 140) as reinforcing members are integrally manufactured by forming SMC containing carbon fiber by a press molding process.

Description

BICYCLE FRAME ASSEMBLY

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bicycle frame, and more particularly to a bicycle frame made of a carbon fiber composite material.

Although the frame of a bicycle is generally made of a metal such as aluminum, recently, a frame having improved strength and weight using carbon fiber is also used. Carbon fibers are not used solely to provide structural strength and are used in the form of composites combined with substrates such as resins. Generally, the carbon fiber composite material bicycle frame is produced by laminating a carbon fiber composite prepreg on each of two molds, placing a pressure-resistant tube between the two molds, closing the two molds, supplying air to the pressure- . However, such a conventional carbon fiber composite material bicycle frame has a problem that a metal mold having a complicated structure must be used, for example, a pressure-resistant tube must be installed.

Registration No. 10-1337593 entitled "Bicycle Frame Using Carbon Fibers and Fillers and Method of Manufacturing the Same (2013.12.06.)

It is an object of the present invention to provide a bicycle frame assembly made of a carbon fiber composite material.

According to an aspect of the present invention,

A hollow paddle coupling portion 112 positioned at the lower end of the main pillar portion 111 and a hollow paddle coupling portion 112 positioned in front of the main pillar portion 111, A shaft coupling portion 113 and a hollow upper coupling portion 114 extending between the main shaft portion 111 and the steering shaft coupling portion 113. The pedal coupling portion 112, And a second lower connection portion 115 extending rearward from the main column portion 111 and the pedal engagement portion 112 and spaced apart from each other in the width direction, Wherein the frame body includes a frame body having a first frame member and a second frame member and the frame body is formed by combining a first frame member and a second frame member, Each of the first frame member 120 and the second frame member 140 is formed by pressing a SMC containing carbon fibers as a reinforcing material through a press molding process Wherein the bicycle frame assembly is formed integrally with the bicycle frame assembly.

The first frame member 120 includes a first main pillar 121 forming one side half of the main pillar 111 and a first paddle coupling 121 forming one half of the pawl coupling part 112. The first main pillar 121, A first steering shaft coupling part 123 forming one half of the steering shaft coupling part 113 and a first upper coupling part 124 forming one half of the upper coupling part 114; A first lower connecting part 125 which forms one half of the lower connecting part 115 and a second lower connecting part 125 which extends rearward from the first main pillar 121 and the first pedal connecting part 122, And the second frame member 140 includes a second main pillar 141 that forms the other half of the main pillar 111 and a second main pillar 141 that forms the other half of the main pillar 111, A second steering shaft coupling portion 143 forming the other half of the steering shaft coupling portion 113, A second upper connection part 144 forming the other half of the upper connection part 114 and a second lower connection part 145 forming the other half of the other connection part 125; And a second state 116 formed to extend rearward from the second pedal engagement portion 142.

The first state 116 includes a first upper state 116a extending obliquely rearwardly from a point where the first main column 121 meets the first upper connection 124, And a first lower stance 116b extending obliquely rearward from the pedal engagement portion 122 and having a rear end that meets an end of the first upper stance 116a, The first lower stance 116b is concave on the side opposite to the second stance 117 and the second stance 117 is formed on the side of the second main stem 141 and the second A second upperstay 117a extending obliquely rearwardly from a point where the upper connecting portion 144 meets and a second upperstay 117b extending obliquely rearward from the second pedal engagement portion 142 so that a rear end of the second upperstay 117a And a second lower stance (117b) that meets an end of the second upper stadium (117a) The second lower sta 117a and the second lower sta 117b are formed concavely on the side facing the second stairstay 116 and the concave inner side of the first and second upper sta116a, A reinforcing rib 116d may be formed on the inner side of the concave portion of the first and second lower stairs 116b and 117b.

The reinforcing rib may have a structure in which it is repeated along the extending direction in the X-shape.

According to the present invention, all of the objects of the present invention described above can be achieved. Specifically, there is provided a bicycle frame assembly in which an SMC containing a carbon fiber as a reinforcing material is formed through a press molding process and formed by integrally assembling two frame members.

1 is a perspective view of a bicycle frame assembly according to an embodiment of the present invention.
2 is an exploded perspective view of the bicycle frame assembly shown in FIG.
3 is a side view of the bicycle frame assembly shown in FIG.
4 is a cross-sectional view taken along the line AA in Fig.
5 is a cross-sectional view taken along line BB of Fig.
Fig. 6 is a cross-sectional view taken along the line CC of Fig. 3. Fig.
7 is a cross-sectional view showing the DD line section of Fig.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

1, 2 and 3 are a perspective view, an exploded perspective view and a side view, respectively, of a bicycle frame assembly according to an embodiment of the present invention. Referring to FIGS. 1 to 3, a bicycle frame assembly 100 according to an embodiment of the present invention includes a frame body 110, two handles (not shown) fixed to the inside of the frame body 110 to support the steering shaft of the bicycle, Support members 180a and 180b and a pedal support member 190 fixed to the inside of the frame body 110 to support the pedal shaft of the bicycle. Hereinafter, the terms associated with the directions used in the description of the bicycle frame assembly 100 refer to the occupant of the bicycle having the frame assembly 100.

Referring to FIG. 1, the frame body 110 in the assembled state has a truss structure and includes a main pillar 111, a pedal engagement portion 112 located at the lower end of the main pillar 111, An upper connecting portion 114 extending between the main column portion 111 and the steering shaft engaging portion 113 and a lower connecting portion 114 extending from the pedal connecting portion 112 to the steering shaft engaging portion 113. [ A lower connecting portion 115 extending between the main shaft portion 111 and the pedal engagement portion 112 and extending rearward and having the rear wheel of the bicycle mounted on the end thereof, , 117).

The main column portion 111 is a hollow columnar shape extending generally along the height direction and a seat post coupling passage 111a having an open top is provided in the main column portion 111. [ The seat post engagement passage 111a extends in a straight line along the height direction. In this embodiment, the seat post engagement passage 111a is slightly inclined so that the lower end is positioned forward of the upper end. The seat post of the bicycle is inserted through the open top of the seat post engagement passage 111a so as to be adjustable in height and fixed by the seat post fixing means (not shown).

The pedal engagement portion 112 is hollow and positioned at the lower end of the main post 111. The pedal engagement portion 112 has a pedal shaft support tube 112a extending along the lateral direction. Referring to Fig. 7, a pedal shaft coupling passage 112b is provided inside the pedal shaft support tube 112a so as to allow the pedal shaft of the bicycle to pass therethrough. A pedal support member 190 is inserted and fixed to the pedal shaft engagement passage 112b.

The steering shaft engaging portion 113 is in the form of a hollow tube and is spaced apart from the front of the main column portion 111. The steering shaft coupling portion 113 is provided with a steering shaft coupling passage 113a through which the steering shaft of the bicycle passes. The steering shaft coupling passage 113a extends linearly along the height direction and passes through the steering shaft coupling portion 113. In this embodiment, the steering shaft coupling portion 113a is slightly inclined so that the lower end is positioned forward of the upper end. Two handle support members 180a and 180b are fixed to the steering shaft engagement passage 113a. Referring to FIG. 5, on the inner wall surface of the steering shaft coupling passage 113a, an upper locking end 113b and a lower locking end 113c, which are annularly protruded and spaced apart from each other in the height direction, are formed. In the steering shaft engagement passage 113a, the two handle support members 180a and 180b are fixed apart from each other in the height direction. The two engaging ends 113b and 113c abut the inner ends of the two handle supporting members 180a and 180b to support the two handle supporting members 180a and 180b. The steering shaft coupling portion 113 is connected to the main pole portion 111 by the upper coupling portion 114 and to the pedal shaft coupling portion 112 by the lower coupling portion 115.

The upper connection portion 114 is a hollow tube type and extends in the front-rear direction to connect the main column portion 111 and the steering shaft coupling portion 113. [

The lower connection part 115 is in the form of a hollow tube and extends in the forward and backward directions relative to the upper connection part 114 to connect the pedal engagement part 112 and the steering shaft engagement part 113 with each other.

The two stays 116 and 117 have a first stall 116 located on the left rear side of the main pillar 111 and a second stall 117 positioned on the rear right side of the main pillar 111 Respectively. The rear wheel of the bicycle is mounted on the rear end of the two stairs 116, 117. The rear wheel of the bicycle is positioned in the gap formed between the two stairs 116, 117.

The first stays 116 are located on the left rear side of the main column portion 111. The first thread 116 has a first upper thread 116a extending obliquely rearwardly from a point where the main thread 111 and the upper thread 114 meet, 115), and a first lower stance (116b) extending obliquely rearward to meet the rear end of the first upper stance (116a). A first fork portion 116c is formed at a rear end where the first upper stance 116a and the first lower stance 116b meet, and a rotating shaft of the rear wheel is coupled.

The second stays 117 are located on the rear right side of the main column portion 111 and are spaced apart from the first stays 116 in the width direction. The second stance 117 includes a second upper stance 117a extending obliquely downward rearward from a point where the main pillar 111 and the upper connecting portion 114 meet, And a second lower stance 117b extending obliquely rearwardly from the point where the first upper stays 115 meet, and whose rear ends meet the ends of the second upper stairs 117a. A second fork portion 117c is formed at the rear end where the second upper and lower stairs 117a and 117b meet, and a second fork portion 117c to which the rotating shaft of the rear wheel is engaged.

The frame body 110 includes a first frame member 120 forming one side (left side in the present embodiment), a second frame member 140 forming the other side (right side in the present embodiment) And two fastening means (170a, 170b) for coupling the members (120, 140).

1 and 2, the first frame member 120 includes a first main stem 121, a first pedal engagement portion 122, a first steering shaft engagement portion 123, An upper connection part 124, a first lower connection part 125, and a first state 116.

The first main column 121 forms one half of the main column 111. The side of the first main column 121 facing the second frame member 140 is concave. Although not shown in detail, protrusions protruding toward the second frame member 140 are formed at the edges of the first main pole 121 facing the second frame member 140.

The first pedal engagement portion (122) forms one half of the pedal engagement portion (112). The first pedal engagement portion 122 has a first pedal shaft support tube 122a extending along the left and right width direction. The first pedal shaft support tube 122a forms one half of the pedal shaft support tube 112a. Referring to FIG. 7, a protrusion 122b protruding toward the second frame member 140 is formed at an inner end of the first paddle shaft support tube 122a toward the second frame member 140 side.

The first steering shaft coupling portion 123 forms one half of the steering shaft coupling portion 113. The side of the first steering shaft coupling portion 123 facing the second frame member 140 is concave. A first upper retaining end 123a and a first lower retaining end 123b protrude from the inner surface of the first steering shaft engaging portion 123. The first upper latching end 123a forms one half at the upper latching end 113b and the first lower latching end 123b forms one half at the lower latching end 113c. Although not shown in detail, protrusions protruding toward the second frame member 140 are formed at the edges of the first steering shaft coupling portion 123 facing the second frame member 140. The first steering shaft coupling portion 123 is formed with a first upper through hole 123c and a first lower through hole 123d which pass through along the width direction. The first upper through hole 123c and the first lower through hole 123d are located on the leading end side so as not to interfere with the steering shaft (not shown) passing through the coupling passage 113a of the steering shaft coupling portion 113. [

The first upper connecting part 124 forms one half of the upper connecting part 114. The side of the first upper connecting portion 124 facing the second frame member 140 is concave. 4, a protrusion 124a protruding toward the second frame member 140 is formed at an edge of the first upper connection part 124 opposite to the second frame member 140. As shown in FIG.

The first lower connection part 125 forms one half of the lower connection part 115. The side of the first lower connecting portion 125 opposed to the second frame member 140 is concave. Although not shown, protrusions protruding toward the second frame member 140 are formed at the edges of the first lower connection part 125 opposite to the second frame member 140.

The first state 116 includes a first upper state 116a extending obliquely downward rearward from a point where the first main pole 121 and the first upper connecting member 124 meet, And a first lower stance 116b that extends obliquely rearwardly from the second upper stance 122 and has a rear end that meets an end of the first upper stance 116a. A first fork portion 116c is formed at a rear end where the first upper stance 116a and the first lower stance 116b meet, and a rotating shaft of the rear wheel is coupled. The first upper stance 116a and the first lower stance 116b are formed so that the side facing the second frame member 140 is concave and the reinforcing rib 116d is formed inside the concave inner side. The reinforcing rib 116d is a structure in which the reinforcing rib 116d is repeated along the extending direction in the X-shape.

The second frame member 140 includes a second main post 141, a second pedal engagement portion 142, a second steering shaft engagement portion 143, a second upper connection portion 144, A lower connection part 145, and a second state 117. [ The second frame member 140 is combined with the first frame member 120 to form the frame body 110.

The second main column 141 forms the other half of the main column 111. The second main column 141 is joined with the corresponding first main column 141 to form the main column 111. The side of the second main post 141 facing the first frame member 120 is concave. Although not shown in detail, an insertion groove is formed at an edge of the second main post 141 opposite to the first frame 120 to receive a protrusion (not shown) formed in the first main post 121 .

The second pedal engagement portion 142 forms the other half of the pedal engagement portion 112. The second pedal engagement portion 142 is engaged with the corresponding first pedal engagement portion 122 to form the pedal engagement portion 112. The second pedal engagement portion 142 has a second pedal shaft support tube 142a extending along the lateral direction. The second pedal shaft support tube 142a forms the other half in the pedal shaft support tube 112a. Referring to FIG. 7, an inner end of the second pedal shaft support tube 142a facing the first frame member 140 is provided with an insertion groove (not shown) into which a protrusion 122b formed in the first pedal shaft support tube 122a is inserted 142b are formed.

The second steering shaft coupling portion 143 forms the other half in the steering shaft coupling portion 113. The second steering shaft engaging portion 143 is engaged with the corresponding first steering shaft engaging portion 123 to form the steering shaft engaging portion 113. The side of the second steering shaft coupling portion 143 opposed to the first steering shaft coupling portion 123 is concave. The second upper steering end 143a and the second lower steering end 143b protrude from the inner surface of the second steering shaft coupling portion 143. [ The second upper latching end 143a forms the other half at the upper latching end 113b and the second lower latching end 143b forms the other half at the lower latching end 113c. Although not shown in detail, an insertion groove is formed at an edge of the second steering shaft coupling portion 143 facing the first steering shaft coupling portion 123 to insert a protrusion formed in the first steering shaft coupling portion 123 . The second steering shaft coupling portion 143 is formed with a second upper through hole 143c and a second lower through hole 143d which pass through along the width direction. The second upper through hole 143c is connected to the first upper through hole 123c and the second lower through hole 143d is connected to the first lower through hole 123d.

And the second upper connecting portion 144 forms the other half of the upper connecting portion 114. The second upper connection part 144 is coupled with the corresponding first upper connection part 124 to form the upper connection part 114. The side of the second upper connecting portion 144 facing the first upper connecting portion 124 is concave. 4, an insertion groove 144a into which the protrusion 124a formed in the first frame member 124 is inserted is formed at an edge of the second upper connection portion 144 opposite to the first frame member 120 .

And the second lower connection part 145 forms the other half of the lower connection part 115. The second lower connection part 145 is coupled with the corresponding first lower connection part 125 to form the lower connection part 115. Although not shown, an insertion groove is formed in the edge of the second lower connection part 145 opposite to the first lower connection part 125, into which the protrusion formed in the first lower connection part 125 is inserted.

The second stance 117 includes a second upper stance 117a extending obliquely downward rearward from a point where the second main post 141 and the second upper connecting portion 144 meet, And a second lower stance 117b extending obliquely rearwardly from the second lower stance 117 and having a rear end that meets an end of the second upper stance 117a. A fork portion 117c is formed at the rear end where the second upper and lower stairs 117a and 117b meet and the rotating shaft of the rear wheel is engaged. The second upper structure 117a and the second lower structure 117b are formed such that the side facing the first frame member 140 is concave and the first upper structure 116a and the second lower structure 117b A reinforcing rib (not shown) having the same structure as the reinforcing rib 116c formed in the stamper 116b is formed.

The first frame member 120 and the second frame member 140 are integrally formed by molding a sheet molding compound (SMC) containing carbon fibers as a reinforcing material through a press molding process. The compounding ratio of SMC used in this embodiment is as shown in Table 1 below.

ingredient content unit Resin (thermosetting resin) 50 to 65 phr LPA (water saving festival) 35 to 50 phr SM (Styrene Monomer) 0-5 phr Polymerization inhibitor 6 to 10 phr Separation inhibitor 4 to 8 phr Hardener 6 to 10 phr Inside brother 15 ~ 45 phr additive 6 to 10 phr Thickener 4 to 10 phr Carbon Mat 20 to 40 % Carbon Chop 0 to 60 %

The conditions of the press-molding step used in this embodiment are a temperature of 120 to 150 占 폚, a third speed of 0.5 to 5 mm / min, a pressure of 100 to 500 tons and a pressing time of 3 minutes / mm.

The two fastening means 170a and 170b are provided with a first fastening means 170a and a second fastening means 170b. 6, the first fastening means 170a includes a first bolt 171a passing through the first upper through hole 123c and the second upper through hole 143c, and a first bolt 171b coupled with the first bolt 171a And a first nut 172a. The second fastening means 170b includes a second bolt 171b passing through the first lower through hole 123d and the second lower through hole 143d and a second nut 171b coupled with the second bolt 171b. . The contact edges of the two frame members 120 and 140 can be bonded together by applying a separate bonding means so that the two frame members 120 and 140 are bonded together.

The two handle support members 180a and 180b are generally ring-shaped and fixedly inserted into the upper and lower ends of the steering shaft engagement passage 113a, respectively. The two handle support members 180a and 180b are made of a metal material and rigidly support the steering shaft passing through the steering shaft engagement passage 113a.

The pedal support member 190 has a generally circular tube shape and is fixedly inserted into the pedal shaft engagement passage 112b. The pedal support member 190 is made of a metal material and firmly supports the passenger compartment passing through the pedal shaft coupling passage 112b.

Although the present invention has been described with reference to the above embodiments, the present invention is not limited thereto. It will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims.

100: bicycle frame assembly 110: frame body
111: main pillar portion 112: pedal coupling portion
113: Steering shaft coupling portion 114: Upper coupling portion
115: lower connection part 116: first state
116a: first upper status 116b: first lower status
116c: first fork portion 116d: reinforcing rib
117: second state 117a: second upper state
117b: second lower status 117c: second fork portion
120: first frame member 140: second frame member
180a, 180b: handle support member 190: pedal support member

Claims (4)

A hollow paddle coupling portion 112 positioned at the lower end of the main pillar portion 111 and a hollow paddle coupling portion 112 positioned in front of the main pillar portion 111, A shaft coupling portion 113 and a hollow upper coupling portion 114 extending between the main shaft portion 111 and the steering shaft coupling portion 113. The pedal coupling portion 112, And a second lower connection portion 115 extending rearward from the main column portion 111 and the pedal engagement portion 112 and spaced apart from each other in the width direction, And a frame body (110) having two stays (116, 117)
The frame body 110 is formed by combining the first frame member 120 and the second frame member 140,
Wherein each of the first frame member (120) and the second frame member (140) is molded integrally by molding a SMC containing carbon fibers as a reinforcing material through a press molding process. The method according to claim 1,
The first frame member 120 includes a first main pillar 121 forming one side half of the main pillar 111 and a first paddle coupling 121 forming one half of the pawl coupling part 112. The first main pillar 121, A first steering shaft coupling part 123 forming one half of the steering shaft coupling part 113 and a first upper coupling part 124 forming one half of the upper coupling part 114; A first lower connecting part 125 which forms one half of the lower connecting part 115 and a second lower connecting part 125 which extends rearward from the first main pillar 121 and the first pedal connecting part 122, 1 state 116,
The second frame member 140 includes a second main pillar 141 that forms the other half of the main pillar 111 and a second pedal coupling portion 141 that forms the other half of the pawl coupling portion 112. [ A second steering shaft coupling portion 143 that forms the other half of the steering shaft coupling portion 113 and a second upper coupling portion 144 that forms the other half of the upper coupling portion 114; A second lower connecting portion 145 that forms the other half of the other connecting portion 125 and a second lower connecting portion 145 that extends rearward from the second main pillar 141 and the second pedal connecting portion 142, Gt; (116) < / RTI > The method of claim 2,
The first state 116 includes a first upper state 116a extending obliquely rearwardly from a point where the first main column 121 meets the first upper connection 124, And a first lower stance 116b extending obliquely rearward from the pedal engagement portion 122 and having a rear end that meets an end of the first upper stance 116a, The first lower stance 116b is formed concavely on the side opposite to the second stance 117,
The second stance 117 includes a second upper stance 117a extending obliquely downward rearward from a point where the second main pillar 141 and the second upper connecting portion 144 meet, And a second lower stance 117b extending obliquely rearward from the pedal engagement portion 142 and having a rear end that meets an end of the second upper stance 117a, The second lower sta 117b is formed concavely on the side facing the second stairstay 116,
A reinforcing rib (116d) is formed inside the concave inner side of the first and second upper stays (116a, 117a) and the concave inner side of the first and second lower stays (116b, 117b) Assembly. The method of claim 3,
Wherein the reinforcing rib is a structure repeated in the X-direction along the extending direction.
KR1020150080199A 2015-06-05 2015-06-05 Bicycle frame assembly KR20160143447A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109229263A (en) * 2018-10-19 2019-01-18 上海迪诺克新材料科技有限公司 A kind of cycle frame and its production method
KR20200032341A (en) * 2018-09-18 2020-03-26 (주) 아스픽 Bicycle frame by injection molding
WO2020209473A1 (en) * 2019-04-08 2020-10-15 서명진 Bicycle frame
KR102242885B1 (en) * 2019-10-23 2021-04-21 (주)아스픽 Bicycle frame by injection molding
EP4067219A1 (en) * 2021-03-29 2022-10-05 Muelles Y Ballestas Hispano-Alemanas Projects, S.L. Frame for a folding bicycle in composite material by means of compression moulding

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101337593B1 (en) 2011-07-26 2013-12-06 한국세라믹기술원 Bicycle frame haing the carbon fiber and the packed layer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101337593B1 (en) 2011-07-26 2013-12-06 한국세라믹기술원 Bicycle frame haing the carbon fiber and the packed layer

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200032341A (en) * 2018-09-18 2020-03-26 (주) 아스픽 Bicycle frame by injection molding
CN109229263A (en) * 2018-10-19 2019-01-18 上海迪诺克新材料科技有限公司 A kind of cycle frame and its production method
WO2020209473A1 (en) * 2019-04-08 2020-10-15 서명진 Bicycle frame
KR20200118549A (en) * 2019-04-08 2020-10-16 서명진 A frame for a bicycle
KR102242885B1 (en) * 2019-10-23 2021-04-21 (주)아스픽 Bicycle frame by injection molding
EP4067219A1 (en) * 2021-03-29 2022-10-05 Muelles Y Ballestas Hispano-Alemanas Projects, S.L. Frame for a folding bicycle in composite material by means of compression moulding
WO2022207570A1 (en) * 2021-03-29 2022-10-06 Muelles Y Ballestas Hispano-Alemanas Projects, Frame for a folding bicycle in composite material by means of compression moulding

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