GB629557A - Chain wheel arrangement for bicycles and the like - Google Patents
Chain wheel arrangement for bicycles and the likeInfo
- Publication number
- GB629557A GB629557A GB9904/47A GB990447A GB629557A GB 629557 A GB629557 A GB 629557A GB 9904/47 A GB9904/47 A GB 9904/47A GB 990447 A GB990447 A GB 990447A GB 629557 A GB629557 A GB 629557A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bosses
- rim
- chords
- chain wheel
- wheel arrangement
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- 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
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
- B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
- B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
629,557. Chain gearing. JUY, L. April 14, 1947, No. 9904. Convention date, April 13, 1946. [Class 80 (i)] A chain wheel arrangement for cycles and the like comprises two toothed rims a, b secured together by bolts through bosses a<1>, b<1> formed on the rims respectively. The bosses on the smaller rim b are provided very near the pitch line of the teeth whilst the bosses on the larger rim a are provided in threes in T-shaped stays lying along equidistant chords of the rim and perpendiculars from said chords to the rim. The connecting points between the chords and their perpendiculars are provided with bosses a<2> for attachment to arms of the pedal crank.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR629557X | 1946-04-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB629557A true GB629557A (en) | 1949-09-22 |
Family
ID=8990460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9904/47A Expired GB629557A (en) | 1946-04-13 | 1947-04-14 | Chain wheel arrangement for bicycles and the like |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB629557A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4044621A (en) * | 1975-06-09 | 1977-08-30 | Mcgregor Sr John C | Sprocket structure and chain guard |
US4380445A (en) * | 1974-08-16 | 1983-04-19 | Shimano Industrial Company Limited | Transmission for a bicycle |
-
1947
- 1947-04-14 GB GB9904/47A patent/GB629557A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4380445A (en) * | 1974-08-16 | 1983-04-19 | Shimano Industrial Company Limited | Transmission for a bicycle |
US4044621A (en) * | 1975-06-09 | 1977-08-30 | Mcgregor Sr John C | Sprocket structure and chain guard |
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