Permanent magnet transporter

Details Permanent magnet transporter Permanent magnet transporter

1987-09-02

1989-01-10

Basinger, Sherman D.

Traversing hoists

Having boom shiftable vertically along a linear path

Length of hoisting cable between boom and load decreases...

212271, B66C 1700

Patent

active

047967650

ABSTRACT:
A permanent magnet transporter for use with a magnetizable structure having a horizontal downwardly facing supporting surface, the transporter comprising a frame member having upper and lower surfaces, a plurality of bipolar permanent magnets on the upper surface of the frame member having planar upper surfaces in close proximity to but not contacting the supporting surface, a plurality of rollers mounted on the upper surface of the frame member and projecting upwardly into contact with the supporting surface to permit movement of the transporter in any direction across the supporting surface, and a block and tackle assembly or its equivalent connected to the lower surface of the frame member for attachment to and support of a load.

REFERENCES:
patent: 3791309 (1974-02-01), Baermann
patent: 3927620 (1975-12-01), Clapham
patent: 4142469 (1979-03-01), Polgreen
patent: 4284010 (1981-08-01), Marshall
patent: 4462316 (1984-07-01), Tupper
patent: 4641757 (1987-02-01), Rosendale

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