Solenoid

Details Solenoid Solenoid

2006-08-15

2006-08-15

Barrera, Ramon M. (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

C335S258000, C335S261000, C335S279000, C335S281000

Reexamination Certificate

active

07091808

ABSTRACT:
A solenoid that has a small body and increased propulsion in a controlled range is provided.The solenoid is characterized by being provided with a bearing40formed of a nonmagnetic body, n (where n is a positive integer of zero or above) grooves56and n+1 tooth parts58that are adjacent to the grooves56and function as magnetic poles being provided in a facing surface52of a first upper yoke54a, m (where m is a positive integer of zero or above) grooves70and m+1 tooth parts72, 74that are adjacent to the grooves70and function as magnetic poles being provided in a facing surface55of a second upper yoke54b, n+1 grooves56and n+1 tooth parts58, 59that are adjacent to the grooves56and function as magnetic poles being provided in a surface52of the slider36that faces the first upper yoke54a, and m grooves76and m tooth parts78that are adjacent to the grooves76and function as magnetic poles being provided in a surface55of the slider36that faces the second upper yoke54b.

REFERENCES:
patent: 49-91745 (1972-11-01), None
patent: 5-211744 (1993-08-01), None
patent: 7-336943 (1995-12-01), None
patent: 8-223895 (1996-08-01), None
patent: 9-153409 (1997-06-01), None

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