Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent
1990-11-16
1992-04-28
Eldred, J. W.
Communications, electrical: acoustic wave systems and devices
Signal transducers
Underwater type
367173, H04R 1700
Patent
active
051093642
ABSTRACT:
A sonar transducer assembly is provided which is adapted to be mounted on the transom of a boat. The assembly includes a shaped transducer device comprising a housing having a base portion of substantially elliptical cross section and a nose of a flattened ellipsoidal shape. A connector stem having a faired leading edge connects the transducer housing to a mounting bracket assembly. The mounting bracket assembly includes a base member adapted to be connected to the transom and a pivotable member which supports the transducer device. A releasable connection between the members includes a pair of laterally spaced, outwardly extending projections on one member which engage ears formed on the other member. An elastomeric insert disposed between the arms controls the force necessary to cause release of the connection to provide "kick-up" when the transducer device strikes an object in the water.
REFERENCES:
patent: 2672945 (1954-03-01), Harris et al.
patent: 4850559 (1989-07-01), Boucher
patent: 4907208 (1990-03-01), Lowrance et al.
Eldred J. W.
Lowrance Electronics, Inc.
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