Title: Stress free filament structure

Abstract: An electron discharge device such as an X-ray tube having a filamentary cathode arranged to discharge electrons onto an adjacent anode wherein the filament is an elongated member fixed at its ends to respective filament support posts which are each mounted within a metal eyelet fastened within the bore of a nonconductive sleeve, respective lead wires being connected to opposite ends of the posts by flexible metal connectors whereby upon applications of heat to the assembly mechanical and thermal stresses, as might normally cause distortion of the parts and particularly of the filament, will be absorbed by the connectors.

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Inventors: Naill, Eugene J. (New Canaan, CT, US)

Application Number: 549636
Filing Date: 1975-02-13
Publication_date: 1976-03-09
Assignee: The Machlett Laboratories, Inc. (Stamford, CT)
Primary Class(es): 378/125 313/331, 313/332, 378/136
Other Classes:
US Patent Ref:

2426251	Aug, 1947	Taylor et al.	313/332.
3675068	Jul, 1972	Strauss	313/332.
3821581	Jun, 1974	Holland et al.	313/60.

Other Refs:
Primary Examiner: Rolinec, R. V.
Assistant Examiner: Hostetter, Darwin R.
Attorney: Murphy; Harold A., Pannone; Joseph D., Meaney; John T.