Antenna device

Communications: radio wave antennas – Antennas – With support for antenna – reflector or director

Reexamination Certificate

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Details

C343S715000, C343S702000

Reexamination Certificate

active

07071893

ABSTRACT:
The present invention provides an antenna device capable of retaining by a simple structure an antenna base end portion12pivotably and, moreover, in a predetermined posture on an antenna base member10. The antenna base member10is provided therein coaxially with a cylindrical member10da part of a circumferential wall of which is cut off. The cylindrical member10dis provided therein with a substantially annular elastic member16, which has an engagement projection16aextending outward from the cutoff portion in the radial direction and capable of being elastically displaced in the radial direction, in such a manner that the elastic member is not relatively turned. The antenna base end portion12is provided with an engagement recess12aengaged with an outer circumference of the cylindrical member10d, and the engagement projection16ais elastically engaged with an inner circumferential surface of the engagement recess12a. The engagement recess12ais provided in an inner circumferential surface thereof with retaining recesses12b,12cwith which the engagement projection16ais elastically engaged with an antenna in predetermined postures substantially horizontal and of a predetermined angle of inclination. The engagement recess12ais fitted around an outer circumference of the cylindrical member10d, and the antenna base end portion12is provided pivotably on the antenna base member10.

REFERENCES:
patent: 4115779 (1978-09-01), Dantzler et al.
patent: 4785305 (1988-11-01), Shyu
patent: 6853340 (2005-02-01), Wang
patent: 56-050105 (1981-05-01), None
patent: 63-040890 (1988-10-01), None
patent: 63-040891 (1988-10-01), None
patent: 06-015353 (1994-02-01), None
patent: 07-221523 (1995-08-01), None

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