Pivotal structure for cordless telephone antenna

Details Pivotal structure for cordless telephone antenna Pivotal structure for cordless telephone antenna

1993-10-13

1995-06-06

Hajec, Donald

Communications: radio wave antennas

Antennas

With lumped reactance for loading antenna

343702, 343882, H01Q 124, H01Q 302

Patent

active

054226511

ABSTRACT:
An improved pivotal structure for cordless telephone antenna is provided primarily by connecting the swivel head for mounting the antenna rod to the upper end of a plastic insulation cover with an antiskid seat which is provided on its surface with straight circumferential indentations, the lower end of the plastic insulation cover being secured to a high frequency connector, in which the antiskid seat is secured in the plastic insulation cover and the swivel head is pivoted in riveting manner to the antiskid seat by a resilient washer so as to provide a certain holding force, a pair of planar washer being interposed therebetween to provide a better friction surface such that the pivotal connector can be effectively positioned to whatever place to which the pivotal connector is rotated.

REFERENCES:
patent: 2706608 (1955-04-01), Joseph
patent: 3579241 (1971-05-01), Antista
patent: 3946317 (1976-03-01), Ishimaru et al.
patent: 4024542 (1977-05-01), Ikawa et al.
patent: 4085012 (1978-07-01), Marceau et al.
patent: 5214434 (1993-05-01), Hsu
patent: 5218370 (1993-06-01), Blaese

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