Cutlery – Cutting tools – Saw
Patent
1985-09-17
1987-02-24
Watts, Douglas D.
Cutlery
Cutting tools
Saw
83639, 83928, 91450, 2411017, B23D 4902
Patent
active
046446575
ABSTRACT:
Apparatus for cutting out blocks from a silo fodder bin has an hydraulically-driven, blade-carrying travelling gear travelling to and fro across a bridge and a conduit between hydraulic feed and return lines thereto such that the fluid flow through said conduit varies the speed of movement of the travelling gear.
REFERENCES:
patent: 1698942 (1929-01-01), Davis
patent: 2243364 (1941-05-01), Trautman
patent: 4336732 (1982-06-01), Liet et al.
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