Weighing scales – Self-positioning – Spring
Patent
1996-12-26
1998-05-19
Spyrou, Cassandra C.
Weighing scales
Self-positioning
Spring
177245, 177231, 177252, 177233, G01G 300, G01G 2128, G01G 1900
Patent
active
057538697
ABSTRACT:
A panel having a suspending hook at a lower end thereof slidably receives an optimum-weight comparison chart. The hook is used to support a basket or sling in which a child is held for weighing. A spring-loaded limb overlies the panel, and has a stylus in an end thereof, with a second hook at the opposite end thereof. The second hook is used to suspend the panel from a tree branch, a beam, or such, and the weight of a child causes the panel to descend, against the biasing of the spring-loaded limb. The stylus is depressed to make a hole in the chart for comparison with an optimum trajectory of weight/development of children of like age, and to keep a record of the measured weight, and to track weight gain or loss with successive weighings and stylus hole-punching of the chart.
REFERENCES:
patent: 855754 (1907-06-01), Buschmann
patent: 1587904 (1926-06-01), Duncan
patent: 2193212 (1940-03-01), Vincent
patent: 5360950 (1994-11-01), Cheng
Mai Anh
Murphy Bernard J.
Spyrou Cassandra C.
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