WO2000069714A1 - Seilführung in einem schalter fur fahrradgetriebe - Google Patents
Seilführung in einem schalter fur fahrradgetriebe Download PDFInfo
- Publication number
- WO2000069714A1 WO2000069714A1 PCT/EP2000/003155 EP0003155W WO0069714A1 WO 2000069714 A1 WO2000069714 A1 WO 2000069714A1 EP 0003155 W EP0003155 W EP 0003155W WO 0069714 A1 WO0069714 A1 WO 0069714A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cable
- rope
- spool
- switch according
- guide
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
- F16C1/10—Means for transmitting linear movement in a flexible sheathing, e.g. "Bowden-mechanisms"
- F16C1/12—Arrangements for transmitting movement to or from the flexible member
- F16C1/18—Arrangements for transmitting movement to or from the flexible member in which the end portion of the flexible member is laid along a curved surface of a pivoted member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
- B62M25/02—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers
- B62M25/04—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers hand actuated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/20—Land vehicles
- F16C2326/28—Bicycle propulsion, e.g. crankshaft and its support
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20207—Multiple controlling elements for single controlled element
- Y10T74/20256—Steering and controls assemblies
- Y10T74/20268—Reciprocating control elements
- Y10T74/2028—Handle bar type
- Y10T74/20287—Flexible control element
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20396—Hand operated
- Y10T74/20402—Flexible transmitter [e.g., Bowden cable]
- Y10T74/2042—Flexible transmitter [e.g., Bowden cable] and hand operator
- Y10T74/20438—Single rotatable lever [e.g., for bicycle brake or derailleur]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20396—Hand operated
- Y10T74/20474—Rotatable rod, shaft, or post
- Y10T74/2048—Gear, drum, and cable
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20396—Hand operated
- Y10T74/20474—Rotatable rod, shaft, or post
- Y10T74/20486—Drum and cable
Definitions
- the invention relates to a switch for a transmission on a bicycle according to the preamble of claim 1.
- a rotary handle switch for a bicycle has become known, with which gear stages in a bicycle transmission can be changed via a Bowden cable.
- the rope of the Bowden cable is drawn into the housing of the switch by means of a rope spool when it is rotated in a winding direction of rotation, a tensile force acting on the rope in the transmission having to be overcome.
- the tensile force keeps the rope in the switch and in the Bowden cable taut, which is why the rope also bears against the rope spool when the rope spool is rotated in a release direction of rotation, whereby the rope is released towards the gearbox of the bicycle.
- the present invention provides a guidance of the rope between the rope coil and the housing outlet, which prevents the rope Significantly moves away from its position in the tensioned state when the gearbox is relaxed due to gear change delays. Since the rope is usually attached to the rope spool with a nipple, it can also happen that when the rope relaxes under the aforementioned conditions when the rope spool rotates in the direction of release, the nipple lifts out of its anchoring in the rope spool and jams in the Switch leads.
- the invention has therefore set itself the task of carrying a cable of a Bowden cable that can only be loaded on its way between its attachment to a cable spool with a nipple and its exit from a housing part of the switch in such a way that the cable when the cable spool is actuated does not move away from its position under tensile load in the direction of release, especially when the nipple is firmly connected to the cable spool.
- FIG. 1 shows a cable spool in a housing part with a rope and a web on the housing part.
- Figure 2 shows the web in the housing part with a guide edge for guiding the rope to form a rope channel in a rope guide of the rope spool.
- Fig. 3 shows the cable duct according to FIG. 1, formed by a hollow profile on the web in connection with the cable guide on the cable spool in a cutout view.
- 1 denotes a housing part of a switch for bicycle transmissions
- a rope spool 2 is rotatably arranged within the housing part 1, on which a rope 3 is guided in a rope guide 4, the rope 3 ending in a nipple 5 which connects to the rope spool 2 is attached.
- the cable spool 2 can be actuated in a winding rotation direction A and in a release rotation direction F, as a result of which the switching elements in a bicycle transmission are caused to change the individual gear stages.
- the rope 3 is usually biased by a spring in the transmission such that it always assumes a rectilinear position following the cable pull where it is not guided through profiles or edges.
- the spring acting on the cable 3 in the transmission cannot pull it in, since clutches or gearwheels cannot mesh without rotation of the transmission, when actuated of the rope 3 in the direction of release F generates a pressure which can lift the rope 3 to the non-guided positions, in particular in the switch, from its predetermined position on the rope reel 2.
- the nipple 5 is carried along by an abutment 6 and the cable 3 is tightened.
- a locking hook 7 is arranged which has a tooth 10 which lies over the end face of the nipple 5 after the nipple 5 has struck against the abutment 6.
- This position of the nipple 5 is reached during assembly of the cable 3 by simply being drawn in between a slope 1 2 on the cable spool 2 and a contour 1 3 on the locking hook 7, as a result of which the locking hook 7 resilient about a bending cross section 1 1 has its tooth 1 0 snaps behind the end face of the nipple 5.
- the housing part 1 has a web 8 with a guide edge 9 which at least partially follows the course of the cable 3 and forms a cable channel 1 4 with the cable guide 4, so that the cable 3 when the cable spool 2 is actuated in the cable release direction of rotation F within the switch cannot take uncontrolled positions. Rather, the cable is pushed out of the housing part 1 of the switch and, in addition to the tensile force of the spring, generates a pushing force in the transmission which supports the gear change in the transmission.
- the leading edge 9 is an empirically determined curve, which follows the critical course in the cable 3 through the housing part 1 and can have a hollow profile, in particular a radius 15, which can then better guide the cable 3 in the cable guide 4 when the cable guide 4 has a course which deviates from the illustration according to FIGS. 1 and 3. This course can go so far that the cable 3 is only wound around a cylindrical region of the cable spool 2, the web 8 with its hollow profile also being able to guide the cable 3 in the direction of the surface lines on the cable spool 2.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Flexible Shafts (AREA)
- Gear-Shifting Mechanisms (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/744,041 US6510757B1 (en) | 1999-05-14 | 2000-04-08 | Cable guide in a shift lever for bicycle gears |
DE50013853T DE50013853D1 (de) | 1999-05-14 | 2000-04-08 | Seilführung in einem schalter fur fahrradgetriebe |
EP00925187A EP1097081B1 (de) | 1999-05-14 | 2000-04-08 | Seilführung in einem schalter fur fahrradgetriebe |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19922328A DE19922328A1 (de) | 1999-05-14 | 1999-05-14 | Seilführung in einem Schalter für Fahrradgetriebe |
DE19922328.9 | 1999-05-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000069714A1 true WO2000069714A1 (de) | 2000-11-23 |
Family
ID=7908121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/003155 WO2000069714A1 (de) | 1999-05-14 | 2000-04-08 | Seilführung in einem schalter fur fahrradgetriebe |
Country Status (5)
Country | Link |
---|---|
US (1) | US6510757B1 (de) |
EP (1) | EP1097081B1 (de) |
CN (1) | CN1115279C (de) |
DE (2) | DE19922328A1 (de) |
WO (1) | WO2000069714A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1388491B1 (de) * | 2002-08-08 | 2009-09-30 | SRAM Deutschland GmbH | Seilzugverbindung |
TWM243593U (en) * | 2003-06-27 | 2004-09-11 | Bing-He Feng | Gearshift controlling apparatus for bicycle |
DE102004032841B4 (de) * | 2004-07-07 | 2006-05-04 | Küster Automotive Control Systems GmbH | Vorrichtung zur Anbindung eines verstellbaren Gebers an einen verstellbaren Nehmer mittels eines Zug-Druck-Seils |
JP4862373B2 (ja) * | 2005-12-01 | 2012-01-25 | 日産自動車株式会社 | ケーブル式操舵装置 |
US8272293B2 (en) * | 2010-08-24 | 2012-09-25 | Shimano Inc. | Bicycle shift operating device |
US9327792B2 (en) | 2011-01-28 | 2016-05-03 | Paha Designs, Llc | Gear transmission and derailleur system |
US9033833B2 (en) | 2011-01-28 | 2015-05-19 | Paha Designs, Llc | Gear transmission and derailleur system |
US10207772B2 (en) | 2011-01-28 | 2019-02-19 | Paha Designs, Llc | Gear transmission and derailleur system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0628475A1 (de) * | 1992-12-28 | 1994-12-14 | Mory Suntour Inc. | Gangschaltung |
EP0676325A2 (de) | 1994-03-07 | 1995-10-11 | Sram Corporation | Rastfeder für Drehhandgriff-Betätigungseinrichtung |
US5732598A (en) * | 1994-02-23 | 1998-03-31 | Shimano, Inc. | Shifting apparatus for a bicycle |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5599495A (en) * | 1979-01-24 | 1980-07-29 | Nippon Cable Syst Inc | Steering apparatus |
JPH0540324Y2 (de) * | 1987-03-17 | 1993-10-13 | ||
US4907553A (en) * | 1988-12-22 | 1990-03-13 | Ford Motor Company | Speed control cable attachment |
US5476019A (en) * | 1994-03-07 | 1995-12-19 | Sram Corporation | Rotatable handgrip actuating system |
WO1997027405A1 (en) * | 1996-01-26 | 1997-07-31 | Sram Corporation | Brake actuating system |
DE19651577C2 (de) * | 1996-12-12 | 1999-02-18 | Sram De Gmbh | Drehgriffschalter für Fahrradgetriebe |
DE19753901A1 (de) * | 1997-12-05 | 1999-06-10 | Sram De Gmbh | Schalter für ein Fahrradgetriebe |
DE19922327A1 (de) * | 1999-05-14 | 2000-11-16 | Sram De Gmbh | Verschlußglied für eine Montageöffnung an einem Schalter für Fahrräder |
-
1999
- 1999-05-14 DE DE19922328A patent/DE19922328A1/de not_active Withdrawn
-
2000
- 2000-04-08 US US09/744,041 patent/US6510757B1/en not_active Expired - Lifetime
- 2000-04-08 EP EP00925187A patent/EP1097081B1/de not_active Expired - Lifetime
- 2000-04-08 CN CN00800841A patent/CN1115279C/zh not_active Expired - Fee Related
- 2000-04-08 WO PCT/EP2000/003155 patent/WO2000069714A1/de active IP Right Grant
- 2000-04-08 DE DE50013853T patent/DE50013853D1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0628475A1 (de) * | 1992-12-28 | 1994-12-14 | Mory Suntour Inc. | Gangschaltung |
US5732598A (en) * | 1994-02-23 | 1998-03-31 | Shimano, Inc. | Shifting apparatus for a bicycle |
EP0676325A2 (de) | 1994-03-07 | 1995-10-11 | Sram Corporation | Rastfeder für Drehhandgriff-Betätigungseinrichtung |
Also Published As
Publication number | Publication date |
---|---|
DE50013853D1 (de) | 2007-01-25 |
DE19922328A1 (de) | 2000-11-16 |
CN1115279C (zh) | 2003-07-23 |
EP1097081A1 (de) | 2001-05-09 |
US6510757B1 (en) | 2003-01-28 |
CN1304368A (zh) | 2001-07-18 |
EP1097081B1 (de) | 2006-12-13 |
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