Handling: hand and hoist-line implements – Hand forks and shovels – Handles
Patent
1984-08-09
1987-02-24
Marbert, James B.
Handling: hand and hoist-line implements
Hand forks and shovels
Handles
294 545, A01B 122, B25G 324
Patent
active
RE0323640
ABSTRACT:
A flexible core is provided for insertion in the handle receiving socket of a tool blade, such as a shovel. This flexible core provides compressive support inside the handle socket to prevent buckling or collapse of the socket when the socket is subjected to high bending stress.
REFERENCES:
patent: 4050727 (1977-09-01), Bonnes
patent: 4280727 (1981-07-01), Germain
patent: 4301109 (1981-11-01), Kain
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