Land vehicles – Wheeled – Occupant propelled type
Patent
1998-12-15
1999-07-27
Schwartz, Chris
Land vehicles
Wheeled
Occupant propelled type
280283, B62K 1900, B62K 2500
Patent
active
059277416
ABSTRACT:
A cushion device includes two lugs extending from the seat post of the bicycle and two positioning members respectively extend through the two lugs. A connecting member is pivotally connected between the two lugs and has two cone-shaped recesses defined in the two ends thereof Each of the two positioning members has a cone-shaped end which is received in the corresponding cone-shaped recess. A pin extends through the two positioning members and the connecting member with two anti-thrust bearings mounted to the two positioning members. Two ring members are respectively connected to the two lugs and let the two bearings be located between the two ring members and the two positioning members.
REFERENCES:
patent: 5553881 (1996-09-01), Klassen et al.
patent: 5593168 (1997-01-01), Char
patent: 5628524 (1997-05-01), Klassen et al.
patent: 5725225 (1998-03-01), Lai
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