71586974
Oct 28, 1949
Jun 16, 1953
CHANGESPEED GEARS OF THE DERAILLEUR TYPE OR THE HUB TYPE, QUICK-RELEASE WHEEL, BEARINGS (WITH OR WITHOUT ABUTMENTS), DOUBLE GEAR SPROCKET WHEELS, FREE WHEEL GEARING ACCESSORIES FOR CHANGE-SPEED GEARS (SUCH AS SAFETY CHAIN-GUIDES), WHEEL ABUTMENTS, ROLLERS WITH ANNULAR BALL BEARINGS OR RUBBER-COATED, CHAIN TENSIONING ROLLERS AND SUPPORTS THEREFOR, HAND LEVERS FOR SPEED CHANGE GEARS, ASSEMBLY TOOLS FOR CYCLES SUCH AS WRENCHES, AND CHAIN CASINGS
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