Baby walker

Details Baby walker Baby walker

1980-12-15

1984-02-28

McCall, James T.

Chairs and seats

With occupant-propelled walker or skater frame

108119, 248164, 248423, 280650, 297 18, 297136, A47D 1304, A61H 304, A63C 304

Patent

active

044338694

ABSTRACT:
A tray and seat are adjustable vertically with respect to a base on a baby walker. Connecting means extending from the tray to the base is associated with a pawl having teeth meshed with a rack on the bottom surface of the tray. The meshed teeth are shaped so that the tray and seat can be elevated with respect to the base only by applying an upward force on the tray.

REFERENCES:
patent: 260210 (1882-06-01), King
patent: 544603 (1895-08-01), Thompson
patent: 2663102 (1953-12-01), Olander
patent: 2806747 (1957-09-01), Jaeger
patent: 2834401 (1958-05-01), Tanner
patent: 2958873 (1960-11-01), Ferneau
patent: 3145048 (1964-08-01), Dowdy et al.
patent: 3504927 (1970-04-01), Seki
patent: 4019756 (1977-04-01), Ishida
patent: 4032103 (1977-06-01), Ehrichs

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