Land vehicles – Wheeled – Stable vehicles – handle-propelled
Patent
1998-04-01
1999-11-02
Camby, Richard M.
Land vehicles
Wheeled
Stable vehicles, handle-propelled
16 35R, B60B 3300
Patent
active
059755458
ABSTRACT:
A structure of a wheel seat for a baby stroller comprising an upper rotating seat with a first slide way, a lower rotating seat with a second slide way cooperating with the first slide way and including at least a longitudinal blocking member, a fixing pin provided on the upper rotating seat and extended through the lower rotating seat and having an engaging portion on the tailing end thereof for mutual rotatable engagement of the upper rotating seat with the lower rotating seat, a direction-fixing slide sleeve slidable in the first slide way and in the second slide way and being provided at least with an engaging slit for engaging the longitudinal blocking members of the lower rotating seat to restrain the upper rotating seat and the lower rotating seat from rotation and being provided with several arciform portions on the end having the engaging slit, and an activating member provided on the direction-fixing slide sleeve for making moving of the direction-fixing slide sleeve in the first and second slide ways. The wheel seat hence has an effect of automatic direction-fixing.
REFERENCES:
patent: 4453787 (1984-06-01), Kassai
patent: 4637093 (1987-01-01), Kassai
patent: 4649506 (1987-03-01), Kassai
patent: 4684148 (1987-08-01), Glasser
patent: 4779304 (1988-10-01), Kassai
patent: 4805250 (1989-02-01), Kassai
patent: 4845805 (1989-07-01), Kassai
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