Impact gauge

Details Impact gauge Impact gauge

1979-07-19

1980-12-09

Gill, James J.

Measuring and testing

Speed, velocity, or acceleration

With means for retaining reading

73509, G01P 1504

Patent

active

042377366

ABSTRACT:
Upon impact, a ball is released and radially displaced into an annular space of decreasing thickness. Simultaneously, the ball releases a fluid to an absorbent material. The direction and distance of displacement indicate the direction and magnitude of the impact, and the subsequent migration of the fluid in the absorbent material indicates the elapsed time since the impact.

REFERENCES:
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patent: 3515091 (1970-06-01), Smith
patent: 3909568 (1975-09-01), Greenhug
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patent: 3954011 (1976-05-01), Manske
patent: 3958528 (1976-05-01), Hill
patent: 3962920 (1976-06-01), Manske
patent: 4145918 (1979-03-01), Couch
patent: 4148272 (1979-04-01), Wetzold

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