Chairs and seats – Straddle seat – Adjustable to plural use positions
Patent
1994-03-11
1995-11-14
Dorner, Kenneth J.
Chairs and seats
Straddle seat
Adjustable to plural use positions
2971951, 411402, B62J 100
Patent
active
054660424
ABSTRACT:
A seat post with an offset of a bicycle includes a tube member. A clamp base is attached to the tube member. A lower clamp is disposed to the clamp base. An upper clamp is disposed to the lower clamp. An adjusting mechanism includes a first bolt member and a second bolt member. The first bolt member further includes a plurality of projected ribs at its outer wall. A spur wheel having a center hole is mounted on the outer wall ribs of the first bolt member and is rotatably disposed inside the clamp base. The second bolt member is disposed opposite to the first bolt member. By this arrangement, the upper clamp member and the lower clamp member are jointly fastened to the clamp base by the first and the second bolt members and an adjustment can be made easily by the help of the spur wheel.
REFERENCES:
patent: 519411 (1894-05-01), North et al.
patent: 3302970 (1967-02-01), Rizzato
patent: 3891333 (1975-06-01), Corderac'k
patent: 4180345 (1979-12-01), Routens
patent: 4421357 (1983-12-01), Shimano
patent: 4978167 (1990-12-01), Harvey
patent: 4983063 (1991-01-01), Phillips
patent: 5190346 (1993-03-01), Ringle
patent: 5226624 (1993-07-01), Kingsbery
patent: 5244301 (1993-09-01), Kurke et al.
Dorner Kenneth J.
Hsin Lung Accessories Co. Ltd.
Jr. Milton Nelson
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