Communications: radio wave antennas – Antennas – With support for antenna – reflector or director
Patent
1976-07-23
1978-02-14
Lieberman, Eli
Communications: radio wave antennas
Antennas
With support for antenna, reflector or director
343715, 403322, H01Q 108
Patent
active
040742717
ABSTRACT:
An antenna holding device is disclosed herein which comprises a first member defining a recess and a second member including a projection extending within the recess. A pivot pin hingedly connects the projection of the second member within the recess of the first member. A plurality of concavities are formed along the projection of the second member in an arc having the pivot pin as the center. The first member includes a cylindrical channel which extends radially from the pivot pin and communicates with the recess. A second channel in the first member extends perpendicular to and communicates with the first channel. A spherical ball is received within the first channel and may be moved to extend into the recess sufficiently to engage one of the concavities defined by the projection of the second member. A spring-biased, push button is received within the second channel and includes a concavity which may be positioned adjacent the first channel. When so positioned, the spherical ball within the first channel may be moved into the concavity of the push button to disengage the concavity defined by the projection of the second member, thereby permitting rotation of the second member with respect to the first member. Releasing the push button causes the concavity therein to move out of communication with the first channel, thereby forcing the spherical ball along the first channel and into engagement with one of the concavities of the projection of the second member.
REFERENCES:
patent: 610469 (1898-09-01), Blashfield
patent: 2501581 (1950-03-01), Rieger
patent: 3191898 (1965-06-01), McCullough
patent: 3433510 (1969-03-01), Hulterstrum
American Electronics, Inc.
Lieberman Eli
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