Chair with strong magnetic force stand

Details Chair with strong magnetic force stand Chair with strong magnetic force stand

1998-09-04

2000-03-28

Nelson, Jr., Milton

Chairs and seats

With means to control rearward chair tipping

2974632, A47C 300

Patent

active

060421835

ABSTRACT:
A chair with a strong, but detachable at will, magnetic force stand which preferably includes a swivel chair seat, a vertical spindle, a spindle seat, support legs and a plurality of permanent magnet assemblies provided at the free ends of legs extending out from a thickened hub section supporting the spindle seat. The legs are preferably in an equiangular arrangement with respect to the spindle seat, and the permanent magnet assembly is mounted at a fee end of each of the preferably 3-6 legs. The permanent magnet assemblies include a housing to which a permanent magnet is releasably set and can also be provided with a magnet release device, although for many chair arrangements a release facilitator is not required for achieving detachment, and yet the magnets have sufficient holding strength. When a swivel chair is fixed, the attraction to the underlying support such as the steel deck of a ship, provides sufficient holding power to avoid inadvertent release. When the chair is to be moved away, an operator applies a moving force to the upper extremity of the chair (i.e., the chair seat) which due to the configuration of the chair provides for release.

REFERENCES:
patent: 1073860 (1913-09-01), Leland
patent: 2458621 (1949-01-01), Miller
patent: 2519466 (1950-08-01), Hauser
patent: 3186673 (1965-06-01), Olson
Internet printout (2-pages), Magnetic Mounts for Antennas, Firestik .RTM. Antenna Company, Phoenix, Arizona, USA.
"Products & Services Section", Magnetic Assemblies 1995, Thomas Publishing Company (4-pages).
The Springfield Marine Company 1996 (2-pages), "Helmsman & Companion Chairs".

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