Tool suspension with supply means for hydraulic medium

Details Tool suspension with supply means for hydraulic medium Tool suspension with supply means for hydraulic medium

1979-12-12

1981-06-02

Eickholt, E. H.

Excavating

Railway graders

Side former

212238, 13762525, 414657, 251339, E03B 300

Patent

active

042702860

ABSTRACT:
A suspension for a replaceable hydraulically operable tool attachment on the tool holder excavator or crane comprises a fork member pivoted to the tool holder by pivot pins which contain bores to establish hydraulic communication between fluid supply and discharge passages in the tool holder and associated passages in the fork member leading to the tool.

REFERENCES:
patent: 2927706 (1960-03-01), Mork
patent: 3088489 (1963-05-01), Stacey
patent: 3997987 (1976-12-01), Tomlinson
patent: 4032025 (1977-06-01), Ross

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