Tongs for handling and measuring crabs

Details Tongs for handling and measuring crabs Tongs for handling and measuring crabs

1989-07-17

1990-11-27

Haroian, Harry N.

Geometrical instruments

Distance measuring

Opposed contacts

3355801, 294 3, G01B 502

Patent

active

049726021

ABSTRACT:
A pair of pivotally connected crossed arms define tongs having handles at one end and recessed jaw parts at the other. The recesses in the jaw parts are of a size to receive therein the pointed end tips of a crab shell whereby a crab may be easily lifted without danger of being clawed. One of the arms carries a scale and the other a pointer such that when the tips of a crab shell are engaged in the recesses the distances between the tips is instantly indicated and a determination made whether or not the crab is above a minimum size to be kept.

REFERENCES:
patent: 942529 (1909-12-01), Young et al.
patent: 1285175 (1918-11-01), Hinkle
patent: 1821953 (1931-09-01), White
patent: 2082699 (1937-06-01), Keppinger

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