Supports – Brackets – Adjustable
Patent
1989-06-09
1991-11-19
Friedman, Carl D.
Supports
Brackets
Adjustable
248522, 343758, 343763, 343766, E04G 300
Patent
active
050659693
ABSTRACT:
The device includes a fixed component (30) which is in two half-shells which clamp, sideways-on, around the fixed mast (3), and a rotatable component (28) which also is in two half-shells which, when assembled around the mast, are guided for rotation relative to the mast. Several rotation apparatuses (one per antenna) may be attached at different points on the height of the mast, so that each antenna (19) may be orientated independently of the other antennas towards the appropriate TV transmitting station. The stub shaft (29) on which the antenna (19) is carried may be rotatable relative to the housing (28), and so geared that a 180 deg rotation of the housing produces a 360 deg rotation of the shaft and antenna.
REFERENCES:
patent: 2540696 (1951-02-01), Smith, Jr.
patent: 2578151 (1951-12-01), Ronfeldt
patent: 2794162 (1957-05-01), Lifsey
patent: 2931035 (1960-03-01), Reinhard et al.
patent: 2966811 (1961-01-01), Sundt
patent: 3146452 (1964-08-01), Rose
patent: 3521384 (1970-07-01), Holland
patent: 3821744 (1974-06-01), Briley
patent: 3952984 (1976-04-01), Dimitry
patent: 4691207 (1987-09-01), Timineri
patent: 4814781 (1989-03-01), DeHaven
patent: 4866456 (1989-09-01), Ebey
Bea-Bar Enterprises Ltd.
Friedman Carl D.
Hulseberg Daniel
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