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Title:
FILAMENT SUPPORT FOR THERMIONIC EMISSION
Document Type and Number:
Japanese Patent JP2011253693
Kind Code:
A
Abstract:

To provide a filament support capable of preventing a guide 4 at a tip of a bracket 2 supporting a filament 3 from dropping down, when the bracket 2 deforms due to a creep phenomenon under high temperature environment.

A filament support for thermionic emission includes, on the bracket 2 having a plate shape and made of high melting metal, the guide 4 for letting the filament 3 go therethrough and at least two arms 5 and 5 extending from upper and lower positions at one end of the bracket 2. The filament support is assembled by inserting the arms 5 and 5 into and fixing the same to attachment holes 6 and 6 provided at upper and lower positions for a support member 1. The plate-shaped bracket 2 is attached to the support member 1 vertically. The bracket 2 has an insertion hole 9 at a base portion of the arms 5 and 5 extending from the one end of the single high melting metal made plate material. The support member 1, and the arms 5 and 5 of the bracket 2 which are inserted into and fixed to the attachment holes 6 and 6 are held by a winding member 7 inserted through the insertion hole 9 and wound around the support member 1.


Inventors:
HAGA SHIGETAKA
OGASAWARA TOSHIHIKO
MIURA KUNIAKI
ABE YUJI
Application Number:
JP2010126382A
Publication Date:
December 15, 2011
Filing Date:
June 02, 2010
Export Citation:
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Assignee:
SUKEGAWA ELEC
International Classes:
H01J1/18; H05B3/06
Domestic Patent References:
JP2007207447A2007-08-16
JPS4530047Y11970-11-18
JP2000266900A2000-09-29
JPS57113354U1982-07-13
JPS5637256U1981-04-09
JPH03184247A1991-08-12
JP2000133179A2000-05-12
JP2000066000A2000-03-03
JPH07153368A1995-06-16
JP2007084849A2007-04-05
JP2005056964A2005-03-03
Attorney, Agent or Firm:
Kazuyoshi Hojo