Collapsible foldable aerial

Details Collapsible foldable aerial Collapsible foldable aerial

1985-05-10

1986-12-02

Yasich, Daniel M.

Communications: radio wave antennas

Antennas

With support for antenna, reflector or director

343713, 343882, H01Q 108

Patent

active

046268669

ABSTRACT:
Collapsible aerial including bar-like base structure with aerial rods (2) rigidly attached thereto. The base structure comprises bars (1) which are connected in pairs to each other by a longitudinal joint (5), the bars associated with different pairs (3,4) being connected by transverse joints (6). In the operational position of the aerial the pivotal axes of the longitudinal joints (5) coincide, and the transverse joints (6) have separate pivotal axes. When a locking device (7) is released, the aerial rods (2) may be pivoted about the longitudinal joints (5) into a partially collapsed position, with the aerial rods on one side of the structure. The pivotal axes of the transverse hinges (6) then coincide so that the aerial rods can be swung about these axes to an entirely collapsed position in which the aerial rods (2) on the different bar pairs (3,4) cross over each other.

REFERENCES:
patent: 2673295 (1954-03-01), Wentworth
patent: 3541566 (1970-11-01), Riebsamen
patent: 3725945 (1973-04-01), Lockwood
patent: 3745581 (1973-07-01), Lockwood
patent: 3860932 (1975-01-01), Hochbrueckner
patent: 4471360 (1984-09-01), Cotterman et al.
patent: 4564844 (1986-01-01), Bowering

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