H - Electricity
01
J
313/35.33
H01J 29/82 (2006.01)
Patent
CA 1225429
ABSTRACT: Present in an electron tube having a glass envelope portion (1) is an electrode system (3) which is slid in the envelope portion (1) and is centred with res- pect to the wall (7) of the envelope portion (1) by means of a number of pretensioned springs (6). The springs (6) extend from a supporting point B which is fixed with res- pect to the electrode system (3) over their effective spring length towards the wall (7) of the envelope por- tion (1) and press against the wall (7) while forming a contact point A. A stick-slip movement of the springs over the surface of the wall (7) during the sliding move- ment of the electrode system (3) is avoided in that the springs (6) each extend over their effective spring length according to a straight line between supporting point B and contact point A. The occurrence of glass damage to the wall (7) is minimized by this measure.
462554
Hoek Willem Van Der
Rebergen Johannes A.
Van Rens Piet C.j.
Koninklijke Philips Electronics N.v.
Van Steinburg C.e.
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