Undertaking
Patent
1989-12-13
1991-07-16
Crow, Stephen R.
Undertaking
297 6, A61H 300
Patent
active
050318993
ABSTRACT:
A height adjustment for infant walk support comprises a base mounted on casters, a table top having an opening surrounded with a perimeter and a pair of crossed bars each of which is pivoted at the middle. The crossed bars have respective ends articulated to respective ends of the base and the table top. The other respective ends of the crossed bars connected pivotally to the table top and the base through slider members including a bracket member in connection to the base an an adjustment control device in connection to the table top.
REFERENCES:
patent: 4359242 (1982-11-01), Gerken et al.
patent: 4433869 (1984-02-01), Payne Jr. et al.
patent: 4759541 (1988-07-01), Chen
patent: 4799700 (1989-01-01), Knoedler et al.
Crow Stephen R.
Klein David I.
Rosenberg Morton J.
Sunshon Molding Co., Ltd.
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