Double-lock height adjustment apparatus for baby walker

Details Double-lock height adjustment apparatus for baby walker Double-lock height adjustment apparatus for baby walker

1993-03-18

1994-10-04

Tyson, Karin L.

Land vehicles

Wheeled

Coasters

2481882, 297 5, 29734415, B62B 706

Patent

active

053519787

ABSTRACT:
A height adjustment apparatus for a baby walker includes a first controlling member and a second controlling member which are associated with each other. The height of the baby walker can be adjusted only when rotation of first controlling member and movement of the second controlling member are effected.

REFERENCES:
patent: 908387 (1908-12-01), Boyd
patent: 1329740 (1920-02-01), Barron
patent: 4019756 (1977-04-01), Ishida
patent: 4168669 (1979-09-01), Arnoff
patent: 4433869 (1984-02-01), Payne, Jr. et al.
patent: 4576392 (1986-03-01), Quinlan, Jr.
patent: 4615523 (1986-10-01), Chen

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