WO2021240367A1 - Quick assembly bicycle frame or the like - Google Patents

Quick assembly bicycle frame or the like Download PDF

Info

Publication number
WO2021240367A1
WO2021240367A1 PCT/IB2021/054536 IB2021054536W WO2021240367A1 WO 2021240367 A1 WO2021240367 A1 WO 2021240367A1 IB 2021054536 W IB2021054536 W IB 2021054536W WO 2021240367 A1 WO2021240367 A1 WO 2021240367A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
bicycle
end part
tubular
groove
Prior art date
Application number
PCT/IB2021/054536
Other languages
French (fr)
Inventor
Marco Muliere
Antonio Brosca
Original Assignee
Tenso Srls
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tenso Srls filed Critical Tenso Srls
Priority to EP21737770.4A priority Critical patent/EP4157702A1/en
Publication of WO2021240367A1 publication Critical patent/WO2021240367A1/en

Links

Classifications

    • 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
    • B62K19/18—Joints between frame members
    • 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
    • B62K15/00—Collapsible or foldable cycles
    • B62K2015/001—Frames adapted to be easily dismantled

Definitions

  • the present invention refers to a frame for a bicycle or the like and, more precisely, to a frame for a bicycle or the like which is capable to be manually assembled and disassembled in a quick manner and without the use of tightening tools.
  • folding frames have been produced wherein one or two hinge points on the frame itself were provided, and in such a way that such frames could be completely folded during the transporting thereof with the aim of being able to minimize the overall dimensions and facilitate and easing the handling thereof.
  • the aim of the present invention is to solve the aforementioned disadvantages of the state of the art by providing a bicycle frame or the like which can be rapidly assembled and which is completely removable / mountable and lockable with an exclusively manual operation and without the use of any tool.
  • the present invention provides a bicycle frame or the like for a quick assembling / disassembling and locking which comprises a plurality of elongated structural members, at least three connecting joints of said plurality of elongated structural members, and locking means for locking said structural members on said connecting joints, and characterized in that said locking means are manual locking type and lock said structural members following to a manual action without the use of any tools.
  • the present invention provides a quick assembly bicycle frame or the like substantially according to the appended claims.
  • Figure 1 is a side view of a bicycle which mounts the frame of the present invention
  • Figure 2 is an exploded view of the bicycle of Figure
  • Figures 3A, 3B, and 3C are perspective views illustrating some components (joints) of the bicycle frame according to the present invention.
  • Figure 4 is a perspective view from above and from one side which partially illustrates two parts of the bicycle frame according to the present invention, with the relative reversible locking means in an open condition;
  • Figure 5 is a partial longitudinal sectional view illustrating the two parts of the bicycle frame of Figure 4 with the locking means in the open condition;
  • Figure 6 is a partial longitudinal sectional view showing the two parts of the bicycle frame of Figure 4 with the locking means in the closed and locked condition;
  • Figure 7 is a perspective view from above and from one side which partially illustrates the parts of the frame of Figure 6 with the locking means in the closed and locked condition according to the present invention.
  • a bicycle 1 comprising a frame 10 made from a plurality of tubular structural members 2 which are mounted at the end parts thereof in respective joints 3.
  • locking means 4 are provided for a removable and / or reversible locking (better described below).
  • the frame 10 comprises a front fork 5, a rear fork 50, a handlebar 6, a saddle 8 slidingly mounted on a tube 80 connected to the respective joint 3, and two wheels 7, all mutually connected with the aforementioned tubulars 2 members by means of said locking means 4 (better illustrated below).
  • FIG. 3A shows in a perspective view the joint 3 relating to the support of the front fork 5. From now on, this joint will be referred to as "front joint" 3.
  • the front joint 3 comprises a first tubular body 30 for supporting a respective steerer of the front fork 5 (not shown in the figure). Furthermore, it integrally has two further tubular bodies 31 and 32 for the supporting of the end parts of a respective tubular structural member 2 (better illustrated below).
  • FIG. 3B it is a perspective view of a joint 3 related to the pedal support (or bottom bracket). From now on, this joint will be referred to as the "lower joint" 3.
  • the lower joint 3 comprises a first tubular body 33 which supports the rolling of the pedal shaft in a manner already known per se. Furthermore, it integrally has two further tubular bodies 34 and 35 for the supporting of the end parts of respective tubular structural members 2 (better illustrated below).
  • FIG. 3C illustrates in perspective a joint 3 related to the support of the saddle 8 and the rear forks 50 (the latter not in the figure). From now on, this joint will be referred to as "rear joint" 3.
  • the rear joint 3 comprises a first tubular body 36 for the supporting of a respective tube 80 for supporting the saddle 8 (the latter not shown in the figure). Furthermore, it integrally has a tubular body 37 for the supporting of one end part of a respective tubular structural member 2 (better illustrated below).
  • the locking system 20 provides that the tubular body 37 of the respective joint 3 comprises at its free end part a cylindrical member 300 inserted inside said end part, and which has a protruding part 301 from said end part, the protruding part 301 having a cylindrical shape with a "D" shaped cross section.
  • the protruding part 301 of the member 300 also has a transverse groove 302.
  • each tubular structural member 2 there is comprised an end part 200 which has a surface on which a slot 201 it is obtained and which extends inside for at least part of the length of the tubular member 2.
  • the slot 201 has a shape which is complementary to the shape of the protruding part 301 of the member 300.
  • the groove 202 extending transversely and longitudinally on the end part 200 of the tubular structural member 2.
  • a lever 203 integrally mounted on a pin 204 and in a swinging manner with respect to said groove 202.
  • the pin 204 it is housed in a respective threaded seat obtained at the end part 200, and in such a manner that a rotation of the pin 204 corresponds to a displacement of the latter in the threaded seat.
  • the lever 203 comprises a cam 205 which is adapted to interact with the groove 302 at the protruding member 301 (better illustrated below).
  • the shape of the protruding part 301 of the member 300 is such that it realize a guide member capable of to be inserted inside the slot 201 at the end part of the tubular structural member 2 during the coupling of the two components 37 and 2.
  • the rotation of the lever 203 causes the rotation of the relevant pin 204 integrally associated to the former.
  • Said rotation of the pin 204 causes a narrowing of the end part 200 as a result of elastic deformation of the material constituting the groove 202.
  • Said deformation of the end part 200 causes a narrowing of the cross-sectional area of the slot causing a tightening of the end part 301 of the member 300 inside the end part 200 of the tubular member 2.
  • the shape of the cam 205 it is adapted to cooperate to lock the end part 301 of the member 300 on the groove 302 in the manner already known and as illustrated in the figure.
  • the type of coupling of the cam 205 on the groove 302 it is such that for a traction force (i.e., during the mutual spacing of the end parts 200 and 300) a friction force it is generated and causing a rotation of the cam 205 and the associated pin 204, thereby increasing the tightening of the end part 200 on the protruding part 301 of the end part 300.
  • the present invention has a number of advantages.
  • a first advantage consists of the providing a modular frame, easily assembled/disassembled with low environmental impact, and zero maintenance.
  • a second advantage consists of given a modular system the same allows the easy replacement of the single parts in case of need.
  • a third advantage lies in the fact that the present frame, being modular, has the peculiarity of being easily customizable, being able to vary its sizes, and moreover being easily implemented in terms of performance, i.e. the possibility of replacing the materials of all the components with a more performing and/or light and/or stiffen materials.
  • a fourth advantage lies in the fact that the present frame provides the possibility of inserting both a dedicated pedal assist power unit, and the possibility of housing a gearbox integrated into the wheels hub, and the possibility of modifying the braking system, and the possibility of modifying the transmission system, and the possibility of modifying the rims mounting/dismounting system and the relevant tires.
  • a fifth advantage lies in the fact that the present frame is designed to be "USER FRIENDLY" since all the assembling operations of the components do not require the use of any tools or effort for the user, and are quick and objective.
  • a sixth advantage lies in the fact that the present frame can be quickly disassembled, reducing the same to its basic components, which makes it easily transportable and/or stockable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

A frame (10) for a bicycle (1) or the like it is provided, comprising a plurality of tubular structural members (2), at least three connecting joints (3) for connecting said plurality of tubular structural members (2), and reversible locking means (20) for reversible locking said structural members (2) onto said connecting joints (3), and it is characterized by the fact that said locking means (20) are manual locking type and lock said tubular structural members (2) on said connecting joints (3) as a result of a manual action without any tools.

Description

QUICK ASSEMBLY BICYCLE FRAME OR THE LIKE
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DESCRIPTION
The present invention refers to a frame for a bicycle or the like and, more precisely, to a frame for a bicycle or the like which is capable to be manually assembled and disassembled in a quick manner and without the use of tightening tools.
State of the art
Research on bicycle frames aimed mainly at improving performance has produced a continuous evolution of the same which has led to the creation of ever lighter systems with the same structural stiffness.
Furthermore, for many decades different constructive solutions have been proposed for such frames with the aim of improving the transportability according to the needs requirements (for example, during transfers on public/private transportation vehicles and/or for the sheltering during no using periods). As an example, in the past, folding frames have been produced wherein one or two hinge points on the frame itself were provided, and in such a way that such frames could be completely folded during the transporting thereof with the aim of being able to minimize the overall dimensions and facilitate and easing the handling thereof.
However, these solutions entail a disadvantage which is given by the fact that they have to integrate joint hinges into the frame (which allow the frame to completely fold) but which, at the same time, generally require larger sections to give appropriate structural stiffness. Therefore, such a constructive solution is a compromise between overall dimensions and weights, and even when the bicycle is folded, it is of less than optimal weight and overall dimensions.
Furthermore, an alternative solution is known from the patent document FR808180A1, which discloses a bicycle frame made of a light alloy metal, and which consists of a series of members that can be mounted on respective joints, the members being lockable in said joints by means of pins or bolts, thereby locking said components on their respective joints.
This constructive solution although it is practical for transporting the bicycle or for replacing some components of the frame, but has the disadvantage given by the need to provide one or more tools for the tightening / disassembling the aforementioned pins or bolts at said joints, otherwise making impossible the disassembling thereof.
Therefore, the aim of the present invention is to solve the aforementioned disadvantages of the state of the art by providing a bicycle frame or the like which can be rapidly assembled and which is completely removable / mountable and lockable with an exclusively manual operation and without the use of any tool.
Brief description of the invention
The present invention provides a bicycle frame or the like for a quick assembling / disassembling and locking which comprises a plurality of elongated structural members, at least three connecting joints of said plurality of elongated structural members, and locking means for locking said structural members on said connecting joints, and characterized in that said locking means are manual locking type and lock said structural members following to a manual action without the use of any tools.
Hence, the present invention provides a quick assembly bicycle frame or the like substantially according to the appended claims.
Detailed description of the invention
A detailed description will now be provided of a preferred embodiment of the quick assembly bicycle frame or the like of the present invention, given by way of a non limiting example and with reference to the attached drawings, wherein:
Figure 1 is a side view of a bicycle which mounts the frame of the present invention; Figure 2 is an exploded view of the bicycle of Figure
1;
Figures 3A, 3B, and 3C are perspective views illustrating some components (joints) of the bicycle frame according to the present invention;
Figure 4 is a perspective view from above and from one side which partially illustrates two parts of the bicycle frame according to the present invention, with the relative reversible locking means in an open condition;
Figure 5 is a partial longitudinal sectional view illustrating the two parts of the bicycle frame of Figure 4 with the locking means in the open condition;
Figure 6 is a partial longitudinal sectional view showing the two parts of the bicycle frame of Figure 4 with the locking means in the closed and locked condition; and
Figure 7 is a perspective view from above and from one side which partially illustrates the parts of the frame of Figure 6 with the locking means in the closed and locked condition according to the present invention.
With reference now to Figures 1 and 2, a bicycle is illustrated therein and which incorporates a frame made according to the present invention.
More precisely, a bicycle 1 is provided comprising a frame 10 made from a plurality of tubular structural members 2 which are mounted at the end parts thereof in respective joints 3. For the connection of the tubular structural members 2 with the respective joints 3 locking means 4 are provided for a removable and / or reversible locking (better described below).
Furthermore, the frame 10 comprises a front fork 5, a rear fork 50, a handlebar 6, a saddle 8 slidingly mounted on a tube 80 connected to the respective joint 3, and two wheels 7, all mutually connected with the aforementioned tubulars 2 members by means of said locking means 4 (better illustrated below).
With reference now to Figure 3A, it shows in a perspective view the joint 3 relating to the support of the front fork 5. From now on, this joint will be referred to as "front joint" 3.
The front joint 3 comprises a first tubular body 30 for supporting a respective steerer of the front fork 5 (not shown in the figure). Furthermore, it integrally has two further tubular bodies 31 and 32 for the supporting of the end parts of a respective tubular structural member 2 (better illustrated below).
With reference now to Figure 3B, it is a perspective view of a joint 3 related to the pedal support (or bottom bracket). From now on, this joint will be referred to as the "lower joint" 3.
The lower joint 3 comprises a first tubular body 33 which supports the rolling of the pedal shaft in a manner already known per se. Furthermore, it integrally has two further tubular bodies 34 and 35 for the supporting of the end parts of respective tubular structural members 2 (better illustrated below).
Figure 3C illustrates in perspective a joint 3 related to the support of the saddle 8 and the rear forks 50 (the latter not in the figure). From now on, this joint will be referred to as "rear joint" 3.
The rear joint 3 comprises a first tubular body 36 for the supporting of a respective tube 80 for supporting the saddle 8 (the latter not shown in the figure). Furthermore, it integrally has a tubular body 37 for the supporting of one end part of a respective tubular structural member 2 (better illustrated below).
With reference now to Figures 4 to 7, it will be illustrated the reversible locking system 20 of the tubular structural members 2 on the respective joints 3 according to the present embodiment of the frame 10 of the present invention.
In the figures and for the sake of clarity, it is partially illustrated for illustrative and non-limiting purposes an end part of the tubular body 37 of the rear joint 3 (the latter not in the figure) and an end part of a respective tubular structural member 2 (the latter partially illustrated) .
It should be pointed out here that the present arrangement applies to all the components of the frame 10, i.e. to all tubular structural members 2 and to the relevant joints 3 of the frame 10.
With reference now to Figure 4, the locking system 20 provides that the tubular body 37 of the respective joint 3 comprises at its free end part a cylindrical member 300 inserted inside said end part, and which has a protruding part 301 from said end part, the protruding part 301 having a cylindrical shape with a "D" shaped cross section.
The protruding part 301 of the member 300 also has a transverse groove 302.
Similarly, at each end of each tubular structural member 2 there is comprised an end part 200 which has a surface on which a slot 201 it is obtained and which extends inside for at least part of the length of the tubular member 2.
As will be better illustrated here below, the slot 201 has a shape which is complementary to the shape of the protruding part 301 of the member 300.
Further, on the surface of the tubular structural member 2 and at the end part thereof a longitudinal groove 202 it is obtained, the groove 202 extending transversely and longitudinally on the end part 200 of the tubular structural member 2.
At the edge part of the groove 202 on the end part 200 there is provided a lever 203 integrally mounted on a pin 204 and in a swinging manner with respect to said groove 202. The pin 204 it is housed in a respective threaded seat obtained at the end part 200, and in such a manner that a rotation of the pin 204 corresponds to a displacement of the latter in the threaded seat.
The lever 203 comprises a cam 205 which is adapted to interact with the groove 302 at the protruding member 301 (better illustrated below).
With reference now to Figure 5 there is shown in a longitudinal section the components 2 and 300 in the condition illustrated in Figure 4.
How it is apparent in the figure, the shape of the protruding part 301 of the member 300 is such that it realize a guide member capable of to be inserted inside the slot 201 at the end part of the tubular structural member 2 during the coupling of the two components 37 and 2.
With reference now to Figure 6, the components shown in Figure 4 are illustrated in a longitudinal section and after their mutual coupling and reciprocal clamping.
As it is evident in the figure, the part 301 of the member 300 following the coupling of the components 2 and 37 it is totally inserted inside the slot 201 at the end part of the tubular structural member 2. In this condition the lever 203 it is totally lowered and inserted in the groove 202.
It should be noted here that according to the present invention, the rotation of the lever 203 causes the rotation of the relevant pin 204 integrally associated to the former. Said rotation of the pin 204 causes a narrowing of the end part 200 as a result of elastic deformation of the material constituting the groove 202. Said deformation of the end part 200 causes a narrowing of the cross-sectional area of the slot causing a tightening of the end part 301 of the member 300 inside the end part 200 of the tubular member 2.
Further, consequently the shape of the cam 205 it is adapted to cooperate to lock the end part 301 of the member 300 on the groove 302 in the manner already known and as illustrated in the figure. Furthermore, the type of coupling of the cam 205 on the groove 302 it is such that for a traction force (i.e., during the mutual spacing of the end parts 200 and 300) a friction force it is generated and causing a rotation of the cam 205 and the associated pin 204, thereby increasing the tightening of the end part 200 on the protruding part 301 of the end part 300.
As it is immediately evident the present arrangement of all the members that are part of the locking means 20 provide the necessary structural support for continuity.
With reference now to figure 7 there is shown components 2 and 37 in the coupled and locked condition in a perspective view thereof and as previously illustrated in Figure 6.
As can be seen in the figure, following the coupling and tightening of the lever 203 in the relevant groove 202, the two components 2 and 37 are perfectly abutting and giving a mechanical continuity solution.
To unlock the above illustrated locking means, it is simply performed the operation described above in a reverse manner.
Advantages
The present invention has a number of advantages.
A first advantage consists of the providing a modular frame, easily assembled/disassembled with low environmental impact, and zero maintenance.
A second advantage consists of given a modular system the same allows the easy replacement of the single parts in case of need.
A third advantage lies in the fact that the present frame, being modular, has the peculiarity of being easily customizable, being able to vary its sizes, and moreover being easily implemented in terms of performance, i.e. the possibility of replacing the materials of all the components with a more performing and/or light and/or stiffen materials.
A fourth advantage lies in the fact that the present frame provides the possibility of inserting both a dedicated pedal assist power unit, and the possibility of housing a gearbox integrated into the wheels hub, and the possibility of modifying the braking system, and the possibility of modifying the transmission system, and the possibility of modifying the rims mounting/dismounting system and the relevant tires.
A fifth advantage lies in the fact that the present frame is designed to be "USER FRIENDLY" since all the assembling operations of the components do not require the use of any tools or effort for the user, and are quick and objective.
A sixth advantage lies in the fact that the present frame can be quickly disassembled, reducing the same to its basic components, which makes it easily transportable and/or stockable.

Claims

1. A frame (10) for a bicycle (1) or the like comprising a plurality of tubular structural members (2), at least three connecting joints (3) for mutual connecting said plurality of tubular structural members (2), and reversible locking means (20) for reversible locking said structural members
(2) on said connection joints (3), characterized in that said locking means (20) are manual locking type, and in that said locking means (20) lock said tubular structural members (2) on said connecting joints (3) following to a manual action without any tools.
2. Frame (10) for a bicycle (1) or the like according to the preceding claim, wherein each connecting joint (3) comprises at least a first tubular body (30,33,36) and at least a second tubular body (31,32, 34,35,37) for the supporting of a end part (200) of a respective tubular structural member (2).
3. Frame (10) for a bicycle (1) or the like according to claim 1 or 2, wherein a connecting joint (3) of said at least three connecting joints (3) supports a pair of pedals in a rotatable manner.
4. Frame (10) for a bicycle (1) or the like according to claim 1 or 2 or 3, wherein a connecting joint (3) of said at least three connecting joints (3) rotatably supports a fork (5).
5. Frame (10) for a bicycle (1) or the like according to any of the preceding claims, wherein a connecting joint
(3) of said at least three connecting joints (3) supports a saddle (8) and a fork (50).
6. Frame (10) for a bicycle (1) or the like according to any of the preceding claims 2-5, wherein said locking means (20) comprises:
- a cylindrical end part member (300) at one end part of a relevant tubular body (31,32,34,35,37) of a respective connecting joint (3), said cylindrical member (300) comprising a protruding part (301) from said end part (300) of said tubular body (31,32,34,35,37);
- a transversal groove (302) integrally obtained onto said protruding part (301); an end part (200) at each end of each tubular structural member (2) which comprises a surface on which a slot (201) it is integrally obtained, said slot (201) extending the entire length of said tubular member (2), said slot (201) having a shape complementary to the shape of said protruding part (301) of said member (300);
- a longitudinal groove (202) extending through the surface of said tubular structural member (2) and at the end part (200) thereof; a lever (203) mounted in a swinging manner with respect to said groove (202) and fixedly connected to a pin
(204), said pin (204) being housed in a respective threaded seat obtained at said end part (200) of said tubular structural member (2), the arrangement being such that a rotation of said lever (203) corresponds to a rotation of said pin (204) and the relevant displacement of the latter in said threaded seat; and
- a cam (205) integrally associated with said lever (203); the arrangement being such that following to the reversible locked coupling of said tubular structural member (2) with a respective tubular body (31,32,34,35,37), the protruding part (301) of the member (300) it is inserted inside said slot (201) at the end part of the tubular structural member (2), the lever (203) it is completely lowered and inserted inside said groove (202), and said cam
(205) cooperates with said groove (302) at the protruding member (301) locking the latter inside said slot (201).
7 . Frame (10) for a bicycle (1) or the like according to the preceding claim, wherein the rotation of said lever (203) causes the rotation of the related pin (204), said rotation of the pin (204) causes an elastic deformation of the material of said groove (202), said deformation of said groove (202) causes a narrowing of the cross-sectional area of said slot (201) causing a tightening of the protruding part (301) of the member (300) inside the end part (200) of the tubular structural member (2).
8. Frame (10) for a bicycle (1) or the like according to claim 6 or 7, wherein said protruding part (301) has a cylindrical shape with a "D" shaped cross section.
PCT/IB2021/054536 2020-05-28 2021-05-25 Quick assembly bicycle frame or the like WO2021240367A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21737770.4A EP4157702A1 (en) 2020-06-03 2021-05-25 Quick assembly bicycle frame or the like

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102020000012799 2020-05-28
IT102020000012799A IT202000012799A1 (en) 2020-06-03 2020-06-03 QUICK ASSEMBLY FRAME FOR BICYCLE OR SIMILAR

Publications (1)

Publication Number Publication Date
WO2021240367A1 true WO2021240367A1 (en) 2021-12-02

Family

ID=72178988

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2021/054536 WO2021240367A1 (en) 2020-05-28 2021-05-25 Quick assembly bicycle frame or the like

Country Status (3)

Country Link
EP (1) EP4157702A1 (en)
IT (1) IT202000012799A1 (en)
WO (1) WO2021240367A1 (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2203347A5 (en) * 1972-10-13 1974-05-10 Rouget Jean Claude
US4896991A (en) * 1987-04-01 1990-01-30 Kabushiki Kaisha Fukurotani Seisakusho Joining structure for frames used in bicycles and similar vehicles
JPH076073U (en) * 1993-06-25 1995-01-27 株式会社大金製作所 Bicycle slide frame
DE29513779U1 (en) * 1995-08-28 1995-11-23 Fichtner Hans bicycle
US5586652A (en) * 1993-07-12 1996-12-24 Smilanick; Steve-Frank Bicycle torque coupling
ES1036520U (en) * 1997-02-20 1997-08-16 Polita S L Perfected detachable bicycle. (Machine-translation by Google Translate, not legally binding)
WO1999011512A1 (en) * 1997-09-04 1999-03-11 Georg Fritzmeier Gmbh & Co. Coupler device
US5937496A (en) * 1996-07-09 1999-08-17 Nbg Technologies, Inc. Electromagnetic joint forming method for mobile unit frames
TW201124302A (en) * 2010-01-12 2011-07-16 Chun-Ti Chang Detachable bicycle frame.
IT201700030514A1 (en) * 2017-03-20 2018-09-20 Tenso Srls Bicycle frame or similar to a quick assembly
ES2687798A1 (en) * 2017-04-29 2018-10-29 Sergio SERRANO LUCIA Removable bicycle frame (Machine-translation by Google Translate, not legally binding)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR808180A (en) 1935-10-14 1937-01-30 Method of making and quickly assembling bicycles and similar vehicles

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2203347A5 (en) * 1972-10-13 1974-05-10 Rouget Jean Claude
US4896991A (en) * 1987-04-01 1990-01-30 Kabushiki Kaisha Fukurotani Seisakusho Joining structure for frames used in bicycles and similar vehicles
JPH076073U (en) * 1993-06-25 1995-01-27 株式会社大金製作所 Bicycle slide frame
US5586652A (en) * 1993-07-12 1996-12-24 Smilanick; Steve-Frank Bicycle torque coupling
DE29513779U1 (en) * 1995-08-28 1995-11-23 Fichtner Hans bicycle
US5937496A (en) * 1996-07-09 1999-08-17 Nbg Technologies, Inc. Electromagnetic joint forming method for mobile unit frames
ES1036520U (en) * 1997-02-20 1997-08-16 Polita S L Perfected detachable bicycle. (Machine-translation by Google Translate, not legally binding)
WO1999011512A1 (en) * 1997-09-04 1999-03-11 Georg Fritzmeier Gmbh & Co. Coupler device
TW201124302A (en) * 2010-01-12 2011-07-16 Chun-Ti Chang Detachable bicycle frame.
IT201700030514A1 (en) * 2017-03-20 2018-09-20 Tenso Srls Bicycle frame or similar to a quick assembly
ES2687798A1 (en) * 2017-04-29 2018-10-29 Sergio SERRANO LUCIA Removable bicycle frame (Machine-translation by Google Translate, not legally binding)

Also Published As

Publication number Publication date
IT202000012799A1 (en) 2021-12-03
EP4157702A1 (en) 2023-04-05

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