Machine element or mechanism – Elements – Cranks and pedals
Patent
1989-04-17
1989-11-28
Luong, Vinh
Machine element or mechanism
Elements
Cranks and pedals
74 44, 745944, 745941, G05G 114
Patent
active
048829455
ABSTRACT:
A simple improved rotary to linear motion mechanism for increasing the pedal leverage on a bicycle using a telescoping pedal support arm and a rotating crank-disc engaging a coupling connecting rod to convert the rotary motion of the pedal to linear extension of the pedal support arm.
REFERENCES:
patent: 447145 (1891-02-01), Cushman
patent: 516137 (1894-03-01), Tyler
patent: 550490 (1895-11-01), Edgar
patent: 623863 (1899-04-01), Atterbury
patent: 1714134 (1929-05-01), Poyser
patent: 4446754 (1984-05-01), Chattin
patent: 4519271 (1985-05-01), Chattin
patent: 4708025 (1987-11-01), Lee
patent: 4807491 (1983-02-01), Stuckenbrok
Luong Vinh
Massie Lewis E.
LandOfFree
Pedal extension device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pedal extension device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pedal extension device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-575241