CH272459A
(en )
1950-12-15
Self-centering hub gear for bicycles with single control for derailleur and chain tensioner.
FR885077A
(en )
1943-09-03
Large effect derailleur for gear changes by chain and stepped sprockets for bicycles, tandems or the like
ES194700A1
(en )
1950-12-01
A DEVICE FOR THE CENTERING OF THE CHAIN OF TRANSMISSION OF THE BICYCLES WITH VARIOUS SPROCKETS.
ES179012A1
(en )
1947-09-16
A BICYCLE SPEED CHANGE MECHANISM
ES69246Y
(en )
1961-10-01
Toothed sprocket designed to guide the bicycle chain during speed changes
FR61321E
(en )
1955-04-25
Chain derailleur for bicycle
ES194007A1
(en )
1951-10-01
IMPROVEMENTS IN CHANGE TRANSMISSION WITH CHAIN COMMAND, SPECIAL FOR BIKES
GR12485B
(en )
1950-06-15
BICYCLE WITH HYDRAULIC SOURCES MOVING WITHOUT CHAIN.
ES23605Y
(en )
1951-01-01
Speed modifying device for bicycles and motorcycles with chain transmission.
AT175158B
(en )
1953-06-10
Wheel hub, especially for bicycles and motorcycles, which is provided with a built-in alternator
CA511929A
(en )
1955-04-19
Chain saw with outboard end idler pulley
FR983194A
(en )
1951-06-20
Self-centering hub shifting for bicycles with single control of derailleur and chain tensioner
FR1023615A
(en )
1953-03-20
Chain derailleur for bicycle
ES202927A1
(en )
1952-08-16
A change of two speeds for bicycle (Machine-translation by Google Translate, not legally binding)
DK77894C
(en )
1954-08-02
Chain conveyor with associated drive mechanism.
DK79945C
(en )
1955-10-03
Bicycle chain box.
ES27560Y
(en )
1953-04-01
Gear Shift Mechanism for Bicycles
FR1047345A
(en )
1953-12-14
Advanced chain tensioner
ES194170A1
(en )
1950-10-01
A BUSHING APPLICABLE TO BICYCLE WHEELS WITH AUTOMATIC GEARSHIFT
ES23554Y
(en )
1951-01-16
Gear shifting for bicycles.
ES189948A1
(en )
1949-12-16
DEVICE FOR FASTENING THE CHAIN TENSIONING LEVER IN CHANGE OF SPEED BY CHAIN DEFLECTION, FOR BICYCLES, TANDEMS OR SIMILAR
AU273645B2
(en )
1964-12-10
Improved pulley, chain sprocket, gear wheel cam or other rotating element or change speed gear
ES164926A1
(en )
1944-02-16
A BICYCLE SPEED CHANGE MECHANISM
ES235533A1
(en )
1958-01-16
An autonomous water jump machine (Machine-translation by Google Translate, not legally binding)
FR975174A
(en )
1951-03-02
Chain tension derailleur by the crankset