GB763669A - Improvements in frames for bicycles, in particular for bicycles having an auxiliary engine - Google Patents
Improvements in frames for bicycles, in particular for bicycles having an auxiliary engineInfo
- Publication number
- GB763669A GB763669A GB32908/54A GB3290854A GB763669A GB 763669 A GB763669 A GB 763669A GB 32908/54 A GB32908/54 A GB 32908/54A GB 3290854 A GB3290854 A GB 3290854A GB 763669 A GB763669 A GB 763669A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chain
- arms
- sprocket
- arm
- bicycles
- 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
- 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
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
- B62K11/02—Frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H1/00—Supports or stands forming part of or attached to cycles
- B62H1/02—Articulated stands, e.g. in the shape of hinged arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J25/00—Foot-rests; Knee grips; Passenger hand-grips
- B62J25/04—Floor-type foot rests
-
- 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
- B62K3/00—Bicycles
- B62K3/02—Frames
- B62K3/04—Frames having a substantially horizontal top bar
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
763,669. Cycle frames. SOC. D'APPAREILS DE CONTROLE ET D'EQUIPMENT DES MOTEURS S.A.C.E.M. Nov. 12, 1954 [Nov. 14, 1953 ; Sept. 13, 1954], No. 32908/54. Classes 136(1) and 136(3). In a bicycle having pedals and a sprocket 9 driving by means of a chain 8 the rear wheel of the bicycle, the frame being constituted by the assembly, on the one hand, of a front portion consisting of a tubular element 1 carrying at its front end the frame head tube 2, sloping downwardly toward the bottom bracket shell 3 and curving towards its rear end so that its lowermost portion is substantially horizontal, and on the other hand, of a rear portion consisting of a triangle-shaped unit constituted by the assembly of the arms of a horizontal fork 4, of oblique rods 5 and of a seat pillar element 6, the lowermost portion of the tubular element is situated at the same level as the arms 4 of the horizontal fork, these arms being rigidly fastened to the element 1 and being located over their whole length at least partly above the upper portion of the chain 8, the arm 4 which is on the same side as the chain being formed with upper and side flanges in such manner that the arm acts as a chain protector. As shown in Figures 2 and 3 the arms 4 extend frontwardly into the space between the pedal cranks 20 so as to form a support upon which the rider can rest his feet. This support is at a higher level than the top portion of the sprocket 9. The chain 8 is further protected at the front of the chain sprocket by a shield 19 the upper edge of which is held by a bolt 14 between the arm 4, on the same side of chain, and a corresponding spacer sleeve 16, (Fig.) 5. Specification 756,295 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR763669X | 1953-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB763669A true GB763669A (en) | 1956-12-12 |
Family
ID=9180707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32908/54A Expired GB763669A (en) | 1953-11-14 | 1954-11-12 | Improvements in frames for bicycles, in particular for bicycles having an auxiliary engine |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB763669A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3275339A (en) * | 1963-12-31 | 1966-09-27 | App Control Equip Moteurs | Frames of bicycles, especially in those of bicycles provided with an auxiliary engine |
| US4451057A (en) * | 1982-01-25 | 1984-05-29 | Lawson Louis L | Foot-rest device for motorcycles |
-
1954
- 1954-11-12 GB GB32908/54A patent/GB763669A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3275339A (en) * | 1963-12-31 | 1966-09-27 | App Control Equip Moteurs | Frames of bicycles, especially in those of bicycles provided with an auxiliary engine |
| US4451057A (en) * | 1982-01-25 | 1984-05-29 | Lawson Louis L | Foot-rest device for motorcycles |
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