Land vehicles – Wheeled – Occupant propelled type
Patent
1997-01-23
1999-01-12
Johnson, Brian L.
Land vehicles
Wheeled
Occupant propelled type
280275, 280220, B62K 1930
Patent
active
058576916
ABSTRACT:
A kind of improved bicycle shock absorption structure, specifically referring to a kind of improved bicycle shock absorption structure featuring a unitary configuration of the bicycle crankset with rider's saddle of the seat cluster that, furthermore, provides direct elastic characteristics upward and downward during operation. Utilizing the force of human physical weight and pedaling power, whenever the wheels are subjected to impact, the unified structure automatically responds by absorbing the shock by elastically rising and falling, the obvious shock absorption effects of which are not only immediately apparent to the rider while seated or standing, but the bicycle does not lose speed, the bicycle frame does not flex and forceful brake application does not adversely affect the effective performance of the shock absorption structure. Most significantly, the advantages offered by the invention includes the retaining of a unified design for the bicycle frame so that there is no front or rear wheel wobble, no adverse effect on power transmission system during shock absorption operation, and a luggage rack can be securely and easily installed over the rear wheel.
REFERENCES:
patent: 490587 (1893-01-01), McHardy
patent: 589328 (1897-08-01), Barton
patent: 589394 (1897-08-01), Ohlgart
patent: 602354 (1898-04-01), Ohlgart
patent: 740554 (1903-10-01), Guiley et al.
Johnson Brian L.
Savitt Gary
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