Collapsible depth controller for mounting in relation to seismic cables or similar device
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United States of America Patent
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-
Oct 1, 2002
Grant Date -
N/A
app pub date -
Dec 14, 1999
filing date -
Jul 18, 1997
priority date (Note) -
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Abstract
Collapsible depth controller for mounting in relation to seismic cables or similar devices, comprising two wings, each being rotatably connected to a main body relative to a first axis of rotation perpendicular to the longitudinal direction of the depth controller, to be folded into an adapted room in the main body of the depth controller. The depth controller comprises a first motor for rotation of an at least partially cylindrically shaped cam plate or mushroom cam relative to its axis, the axis essentially corresponding to the longitudinal axis of the depth controller, said cam plate comprising at least one path or cam which along at least part of its length has an angular extension relative to the axis of the cam plate, at least one cam follower engaging into said cam plate and comprising a first coupling device for rotatable connection to the wings, where the first coupling device is positioned at a chosen distance from the first rotational axis of the wing.
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