Cutlery – Shell openers – Nutcrackers
Patent
1977-01-12
1978-05-09
Coe, Philip R.
Cutlery
Shell openers
Nutcrackers
99577, 99582, A47J 4326
Patent
active
040879100
ABSTRACT:
A hand-operated device, in the form of a gun, shatters nut shells and the like. The gun has an inertia weight and a limited movement hammer bolt between which a nut shell is inserted and held in place by pressure applied on a trigger against a pistol grip. A striker rod is moved against the biasing action of a spring to permit the pressure applied on the trigger to move the inertia weight and the hammer bolt forwardly by a distance corresponding to the extent of the limited movement of the hammer bolt. The striker rod is released to move under the biasing action of the spring and strike the hammer bolt, and the hammer bolt in turn strikes against the nut shell, which is backed up primarily by the inertia of the inertia weight but also partly by the pressure on the trigger to impact and shatter the nut shell.
REFERENCES:
patent: 2543886 (1951-03-01), Brookey
patent: 2695642 (1954-11-01), White
patent: 2707503 (1955-05-01), Johnson et al.
patent: 3127917 (1964-04-01), Turner
patent: 3435863 (1969-04-01), Dye
patent: 3496975 (1970-02-01), Hill
patent: 3524486 (1970-08-01), Turner
patent: 3841212 (1974-10-01), Powell
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