Land vehicles – Wheeled – Occupant propelled type
Patent
1983-01-21
1984-12-11
Pekar, John A.
Land vehicles
Wheeled
Occupant propelled type
74609, 474144, B62K 1300
Patent
active
044874243
ABSTRACT:
A universal flexible sprocket shield adapted for pedal crank attachment by any user of single, three speed, or ten to fifteen speed bicycle. A modified shield is adapted for original equipment installation as a flexible shield extension to existing sprocket plates.
REFERENCES:
patent: 504121 (1893-08-01), Cheesman
patent: 675502 (1901-06-01), Thomas
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