Screw type coupling device and an antenna installation device us

Details Screw type coupling device and an antenna installation device us Screw type coupling device and an antenna installation device us

1989-11-22

1992-03-31

Hille, Rolf

Communications: radio wave antennas

Antennas

With vehicle

343888, 343900, 403229, 403343, 411366, 411411, 411438, H01Q 1320, H01Q 1200

Patent

active

051012138

ABSTRACT:
A screw type coupling device includidng a male screw element formed by installing a coil spring form helical component on the outer surface of a columnar element and a female screw element formed by installing a coil spring form helical component in a tubular element so that the two helical components are screw engaged with each other. With the application of such coupling device to an antenna for vehicles, the antenna having the male screw element at the base is removably attached to a vehicle body by screwing the male screw element of the antenna to the female screw element installed in the vehicle body.

REFERENCES:
patent: 556082 (1896-03-01), Boeddinghaus
patent: 809880 (1906-01-01), Woolldridge et al.
patent: 1861532 (1932-06-01), Hough
patent: 3243755 (1966-03-01), Johnston
patent: 4914450 (1990-04-01), Dilley et al.

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