Measuring and testing – Speed – velocity – or acceleration – With means for retaining reading
Patent
1987-02-27
1988-11-29
Ruehl, Charles A.
Measuring and testing
Speed, velocity, or acceleration
With means for retaining reading
7386253, G01P 1504
Patent
active
047872462
ABSTRACT:
A bidirectional shock sensor in which a slidable weight is slidably fit in a container. Elastic projections on the ends of the weight face pressure-sensitive sheets placed on the walls of the container so as to record the impact acceleration of the weight. The pressure-sensitive sheet can be fixed to a transparent developer sheet so that the impact record can be immediately viewed through transparent walls of the container.
REFERENCES:
patent: 2976732 (1961-03-01), Hautly
patent: 3071973 (1963-01-01), Helfand
patent: 3782204 (1974-01-01), Boardman
patent: 4142404 (1979-03-01), Ogata et al.
Komatsu Tomoaki
Yamaguchi Hiroshi
Fuji Photo Film Co. , Ltd.
Ruehl Charles A.
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