Material or article handling – Vertically swinging load support – Shovel or fork type
Patent
1988-12-20
1990-09-25
Cherry, Johnny D.
Material or article handling
Vertically swinging load support
Shovel or fork type
294 8641, 414697, 414723, E02F 336
Patent
active
049589814
ABSTRACT:
A versatile connector assembly for various types of attachments is provided for use with hydraulic shovel type excavators. The connector permits a rotational movement of the attachment and comprises a connector head connected to a stick arm or dipper stick of the excavator for controlled pivotal movement and a rotating member disposed for rotation relative to the connector head and including a swivel joint fitted in the rotating member. A fitting plate member having firmly secured thereto a mounting structure for the attachment is removably secured to the rotating member. A hydraulic drive motor may be located on the connector head in driving relationship to the rotating member.
REFERENCES:
patent: 2678741 (1954-05-01), Pilch
patent: 3038620 (1962-06-01), Collin
patent: 3116845 (1964-01-01), Holopainen
patent: 3231116 (1966-01-01), Powell
patent: 3413029 (1968-11-01), Donovan
patent: 3664527 (1972-05-01), Short
patent: 3920137 (1975-11-01), McCain
patent: 4005894 (1977-02-01), Tucek
patent: 4017114 (1977-04-01), LaBounty
patent: 4542929 (1985-09-01), Possinger
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