Retractable magnetic sweeper

Details Retractable magnetic sweeper Retractable magnetic sweeper

2006-08-22

2006-08-22

Donovan, Lincoln (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Work or object holding type

C335S291000, C209S226000

Reexamination Certificate

active

07095305

ABSTRACT:
A retractable magnetic sweeper includes a shell member, a retractable tubular member, a moving member, a connecting bar member, and a magnetic member. The shell member defines a receiving space. The retractable tubular member includes a lower tubular section connected to the shell member, and an upper tubular section mounted slidably on the lower tubular section. The moving member is mounted on the upper tubular section. The connecting bar member is mounted axially within the retractable tubular member, and includes an operating end portion extending into the upper tubular section and connected to the moving member, and a connecting end portion extending into the lower tubular section. The magnetic member is mounted in the receiving space, and is connected to the connecting end portion. The moving member is operable to move the magnetic member downward to an operative state, and upward to a non-operative state.

REFERENCES:
patent: 2426795 (1947-09-01), Sjostrom
patent: 2970003 (1961-01-01), Heath, Jr. et al.
patent: 3377641 (1968-04-01), McGregor
patent: 3693279 (1972-09-01), Mackie
patent: 5413225 (1995-05-01), Shields
patent: 5868258 (1999-02-01), Hubbard, Jr.

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