Driver tool with efficient high energy permanent magnetizer on t

Details Driver tool with efficient high energy permanent magnetizer on t Driver tool with efficient high energy permanent magnetizer on t

1996-07-31

2000-08-22

Scherbel, David A.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

81125, B25B 2308

Patent

active

061054747

ABSTRACT:
A driver bit tool having an elongate handle that has a central channel through which a predetermined length portion of the bit driver can be inserted. The driver bit is retained within the handle by any suitable means and one or more relatively thin magnets having high energy products are arranged on the side of the handle in close proximity to the driver bit receiving channel for generating a magnetic field which is substantially normal to the handle axis, the field created by the magnet being coupled to the driver bit. The position of the magnets and annular sleeves of magnetizable material are preferably used to optimize coupling of the field to the driver bit to optimize the amount of magnetic field that passes through the accessible operative tip of the driver bit so as to effectively magnetize the exposed driver tip of the bit driver.

REFERENCES:
patent: 2782822 (1957-02-01), Clark
patent: 3253626 (1966-05-01), Stillwagon, Jr. et al.
patent: 3320563 (1967-05-01), Clark
patent: 3392767 (1968-07-01), Stillwagon, Jr.
patent: 3707894 (1973-01-01), Stillwagon, Jr.
patent: 5178048 (1993-01-01), Matechuk
patent: 5259277 (1993-11-01), Zurbuchen
patent: 5577426 (1996-11-01), Eggert et al.

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