Land vehicles – Wheeled – Extensible
Reexamination Certificate
2006-04-04
2006-04-04
Ellis, Christopher P. (Department: 3618)
Land vehicles
Wheeled
Extensible
C280S647000, C280S087021, C280S047371, C280S642000, C280S650000, C280S654000, C280S047380
Reexamination Certificate
active
07021651
ABSTRACT:
A stroller has a direction-limiting device including a direction-limiting element movable relative to a stroller frame between a limiting position, where the direction-limiting element is inserted into a limiting hole in a wheel-supporting member of a wheel unit so as to prevent rotation of the wheel-supporting member relative to the stroller frame, and a release position, where the direction-limiting element is removed from the limiting hole so as to permit the rotation of the wheel-supporting member relative to the stroller frame. A control device includes an adjusting member disposed on an upper portion of a handle unit of the stroller frame, and a pull cord disposed between the adjusting member and the direction-limiting element. The adjusting member is operable to move the direction-limiting element between the limiting position and the release position.
REFERENCES:
patent: 2972488 (1961-02-01), Alsop
patent: 3110504 (1963-11-01), Myers
patent: 3797848 (1974-03-01), Burnham
patent: 4023825 (1977-05-01), Kassai
patent: 4856744 (1989-08-01), Frankel
patent: 5046750 (1991-09-01), Heubl
Collado Cynthia F.
Darby & Darby
Ellis Christopher P.
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