Material or article handling – Elevator or hoist and loading or unloading means therefor – Convertible attachment
Patent
1991-09-27
1993-07-27
Werner, Frank E.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Convertible attachment
414621, 414626, 414783, 212221, 212243, 2941031, 2941191, 294 8162, 294 814, 294 812, B66F 918
Patent
active
052305996
ABSTRACT:
A rotator including a base frame for being attached to a lift mechanism; a rotating frame; a first latch member attached to the rotating frame; a second latch member attached to the rotating frame a spaced distance from the first latch member for coacting with the first latch member to securely attach a trailer chassis to the rotating frame; and axle structure rotatably attaching the rotating frame and the base frame to one another for allowing the rotating frame to rotate between a first position and a second position to rotate the trailer chassis between an upright position and an inverted position about an axis parallel to the longitudinal axis of the trailer chassis.
REFERENCES:
patent: 2827184 (1958-03-01), Mueller
patent: 2971662 (1961-02-01), Dunham
patent: 3100123 (1963-08-01), Schmidt
patent: 3506148 (1970-04-01), Vik
patent: 4437807 (1984-03-01), Perrott
patent: 4583902 (1986-04-01), Riley
patent: 4600350 (1986-07-01), Matthewson et al.
patent: 4664576 (1987-05-01), Coe
patent: 4952118 (1990-08-01), Macmillan
patent: 5096365 (1992-03-01), Ford
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