Gauge for measuring objects accessible to small children

Details Gauge for measuring objects accessible to small children Gauge for measuring objects accessible to small children

1995-10-02

1996-07-16

Zimmerman, Brian

Measuring and testing

Particle size

335552, G01N 1500

Patent

active

055356362

ABSTRACT:
A gauge for measuring objects accessible to small children. The gauge includes a generally tubular member that simulates a human trachea. A series of spaced-apart, annular ribs are arranged along the tubular member for simulating cartilage formed about the human trachea. A pair of the annular ribs are formed at respective ends of the tubular member. The annular ribs are inflexible in response to manual forced being exerted thereon. Each rib has formed therethrough an opening of a predetermined diameter that represents the diameter of a human trachea. The rib sections permit relatively small objects, having a diameter equal to or less than the predetermined diameter to pass through the tubular member. This indicates that such relatively small objects are unsafe for a small child. The annular rib sections block objects larger than the predetermined diameter from passing through the tubular member to indicate that such larger objects cannot be accidentally introduced into the child's trachea.

REFERENCES:
patent: 438453 (1890-10-01), Wareham et al.
patent: 1062525 (1913-05-01), Ward
patent: 2896333 (1959-07-01), Kivela
patent: 3703234 (1972-11-01), Howard
patent: 3785097 (1973-10-01), Woelich
patent: 3874085 (1975-04-01), Atkins
patent: 5197465 (1993-03-01), Montgomery
patent: 5351410 (1994-10-01), Hainneville
patent: 5471756 (1995-12-01), Bolanos et al.

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