FR889597A - Manivelle de pédalage, qui s'allonge progressivement d'après l'effort - Google Patents
Manivelle de pédalage, qui s'allonge progressivement d'après l'effortInfo
- Publication number
- FR889597A FR889597A FR889597DA FR889597A FR 889597 A FR889597 A FR 889597A FR 889597D A FR889597D A FR 889597DA FR 889597 A FR889597 A FR 889597A
- Authority
- FR
- France
- Prior art keywords
- effort
- gradually lengthens
- lengthens according
- pedaling crank
- pedaling
- 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
- B62M3/00—Construction of cranks operated by hand or foot
- B62M3/02—Construction of cranks operated by hand or foot of adjustable length
- B62M3/04—Construction of cranks operated by hand or foot of adjustable length automatically adjusting
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR889597T | 1941-03-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR889597A true FR889597A (fr) | 1944-01-13 |
Family
ID=9377190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR889597D Expired FR889597A (fr) | 1941-03-25 | 1941-03-25 | Manivelle de pédalage, qui s'allonge progressivement d'après l'effort |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR889597A (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989002626A1 (fr) * | 1987-09-14 | 1989-03-23 | Cropek Douglas A | Entrainement a manivelle et roue dentee |
US5060536A (en) * | 1990-03-05 | 1991-10-29 | Boys Donald R | Flexible crank drive |
FR2701246A1 (fr) * | 1993-02-05 | 1994-08-12 | Le Guelennec Emile | Système de pédalier perfectionné pour bicyclette. |
US5899119A (en) * | 1995-07-11 | 1999-05-04 | Coment; Glenn H. | Bicycle crank assembly |
-
1941
- 1941-03-25 FR FR889597D patent/FR889597A/fr not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989002626A1 (fr) * | 1987-09-14 | 1989-03-23 | Cropek Douglas A | Entrainement a manivelle et roue dentee |
US4898047A (en) * | 1987-09-14 | 1990-02-06 | Cropek Douglas A | Crank and sprocket drive |
US5060536A (en) * | 1990-03-05 | 1991-10-29 | Boys Donald R | Flexible crank drive |
FR2701246A1 (fr) * | 1993-02-05 | 1994-08-12 | Le Guelennec Emile | Système de pédalier perfectionné pour bicyclette. |
US5899119A (en) * | 1995-07-11 | 1999-05-04 | Coment; Glenn H. | Bicycle crank assembly |
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