(19)
(11) EP 0 849 822 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
30.09.1998 Bulletin 1998/40

(43) Date of publication A2:
24.06.1998 Bulletin 1998/26

(21) Application number: 97310209.8

(22) Date of filing: 17.12.1997
(51) International Patent Classification (IPC)6: H01Q 1/08
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 18.12.1996 JP 338237/96

(71) Applicant: HARADA INDUSTRY CO., LTD.
Shinagawa-ku Tokyo (JP)

(72) Inventor:
  • Kohinata, Junichi
    Tokyo (JP)

(74) Representative: Crawford, Andrew Birkby et al
A.A. THORNTON & CO. Northumberland House 303-306 High Holborn
London WC1V 7LE
London WC1V 7LE (GB)

   


(54) Antenna support angle adjustment mechanism and vehicular rod antenna device


(57) An antenna support angle adjustment mechanism (20) according to the present invention is detachably interposed between an antenna mounting base (11) attached to a vehicle body wall (1) and a rod antenna (12) having a proximal end portion fixedly screwed on the base (11), and which comprises an antenna support angle adjustment member (24) composed of first and second coupling elements (21, 22) pivotally supported so that one end portion of the first coupling element (21) and one end portion of the second coupling element (22) are rockable with respect to each other, the other end portion of the first coupling element (21) forming a screw rod (25) capable of being removably screwed into the antenna mounting base (11) or the rod antenna (12), the other end portion of the second coupling element (22) forming an internal thread portion (26) capable of being removably screwed on the rod antenna (12) or the antenna mounting base (11), and a fixing nut (28) for fixing the state of screwed engagement of the screw rod (25) with the antenna mounting base (11) or the rod antenna (12), the rod antenna (12) being variably adjusted at a given support angle (θ) in a given azimuthal direction.









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