Manual digging implement

Details Manual digging implement Manual digging implement

1990-09-05

1992-06-09

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hand forks and shovels

2541315, 294 57, A01B 102

Patent

active

051200988

ABSTRACT:
A manual implement comprises of a handle which incorporates a lever shaft in one portion and a torque and lever shaft in another, and a novel integral blade, blade support and handle socket. The implement presents a twice offset but linear line of mechanical forces which allows the user to loosen, excavate and relocate a load of material without the concomitant hard physical exertion normally necessary to accomplish these steps by efficiently translating a minimum amount of force and action by the user into effective mechanical force and action by the implement.

REFERENCES:
patent: 1211175 (1917-01-01), Kinzel
patent: 1908735 (1933-05-01), Donaldson
patent: 2247958 (1941-07-01), Maxcy
patent: 2716538 (1955-08-01), Arrowood
patent: 3078604 (1963-02-01), Neuman
patent: 3436111 (1969-04-01), England
patent: 3782770 (1974-01-01), Lee
patent: 4650232 (1987-03-01), Perry
patent: 4722512 (1988-02-01), Lighthizer

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