Title:
【発明の名称】カラ-受像管
Document Type and Number:
Japanese Patent JP2577361
Kind Code:
B2
Abstract:
A color picture tube comprises a panel (1) of a substantially rectangular shape, a phosphor screen (4) formed on the inner surface of the panel (1), a stud pin (20) which is made of a rod with a tapered portion (20a) and which is mounted on the inner side surface of the panel (1), a spring member (23) having a through hole (23c) and fitted with the tapered portion (20a) of the stud pin (20) through the through hole (23c), and a shadow mask mounted on the panel (1) through the stud pin (20) and the spring member (23) so as to be opposite or adjacent to the phosphor screen (4), wherein if the spring member (23) is in contact with the stud pin (20) at at least two positions, the following inequality is satisfied:N/F ≦ 1.8whereN: a force of the spring member (23) acting on that portion of the stud pin (20) which contacts the spring member (23) along a direction substantially perpendicular to the surface of the stud pin (20) (kg·f)F: a force of the spring member (23) acting on that portion of the stud pin (20) which contacts the spring member (23), along a direction substantially parallel to the central axis of the stud pin (20) (kg·f).
Inventors:
TOKITA KYOSHI
SONE TOSHIHISA
URATA HIROSHI
NAKAMURA MICHIO
SONE TOSHIHISA
URATA HIROSHI
NAKAMURA MICHIO
Application Number:
JP20682886A
Publication Date:
January 29, 1997
Filing Date:
September 04, 1986
Export Citation:
Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
H01J29/07; H01J29/02; (IPC1-7): H01J29/02
Attorney, Agent or Firm:
Noriyuki Noriyuki (1 person outside)