Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1992-12-15
1994-01-18
Bucci, David A.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
414282, B66B 704
Patent
active
052793931
ABSTRACT:
A storage and retrieval machine comprising a mast having a generally vertical outer surface, a carriage movable vertically along the mast, a bearing assembly including a wheel which is rotatably supported by the carriage, which rolls along the mast surface, and which is movable relative to the carriage in the direction perpendicular to the mast surface, a pad of low-friction material mounted on the carriage, and a spring biasing the wheel toward the mast surface such that the pad is normally spaced from the mast surface and such that the wheel moves relative to the carriage so that the pad engages the mast surface when the force exerted on the wheel by the mast surface exceeds a predetermined amount, and a shuttle supported by the carriage for horizontal movement relative thereto.
REFERENCES:
patent: 3669222 (1972-06-01), Takamura et al.
patent: 4316528 (1982-02-01), Dechantstreiter
patent: 4442922 (1984-04-01), Johannson
patent: 5015140 (1991-05-01), Kling
patent: 5033589 (1991-07-01), Rhodes
patent: 5048642 (1991-09-01), Lloyd
patent: 5086882 (1992-02-01), Sugahara et al.
patent: 5091685 (1992-02-01), Sorensen et al.
patent: 5193651 (1993-03-01), Shigeta et al.
Bucci David A.
Harnischfeger Engineers Inc.
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