Title: Magnetic roller for electrographic developing and/or reproducing devices

Abstract: The magnet carrier assembly of an electrographic copying device is fabricated from a number of separate parts instead of being machined from a single block of metal. The assembly can consist of a tubular body which supports the magnets either on the outside, or inside, peripheral surface. The tubular body can be formed by extrusion integrally with a radial spider connected to a hub which supports the body. In another form the carrier can be built up by combining specially profiled sheet metal strips with other axially extending elements with which they are joined in a tongue-in-groove arrangement.

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Inventors: Muller, Werner (Godesburg, DE, US)

Application Number: 850048
Filing Date: 1977-11-09
Publication_date: 1979-03-06
Assignee: Magnetfabrik Bonn GmbH vorm. Gewerkschaft Windhorst (Bonn am Rhine, DE)
Primary Class(es): 492/8 100/917, 399/279, 492/18
Other Classes:
US Patent Ref:

3754526	Aug, 1973	Caudill	118/658.
3805550	Apr, 1974	Patton	29/129.
3822139	Jul, 1974	Westdale	118/658.
3893414	Jul, 1975	Hudson	118/658.
3900001	Aug, 1975	Fraser et al.	118/658.
3981271	Sep, 1976	Okada et al.	118/658.
3988816	Nov, 1976	Tada	29/116.

Other Refs:
Primary Examiner: Newton, Dorsey
Assistant Examiner:
Attorney: Mitchell, Jr.; George H.