Abstract: An improved angling device operable under physically autonomous, remote control by an operator, comprising an unmanned flotation platform including remotely operable propulsion and directional controls for selectively positioning the flotation platform under the remote, physically autonomous control of the operator, at a desired location on a surface of a body of water associated with fish habitat; and downward-looking sonar supported in buoyant relation on the platform and operable to provide intelligible feedback to the operator, based on sonar-sensed signals relating to that fish habitat. The combination of the improved angling device can include a terminal tackle depth control supported in buoyant relation on the platform, for selective adjustable positioning of the terminal tackle at desired depths under the remote, physically autonomous control of the operator.

Abstract: A device for winding and unwinding a waterski tow-line comprises a substantially enclosed housing having a spool mounted for rotation in the housing. A driven gear is mounted on the spool for rotational driving thereof. A drive shaft is journaled in the housing for rotation and for axial sliding relative to the housing and the drive shaft has a first end portion protruding from the housing and a second end portion extending into the housing. A drive gear is rigidly affixed to the drive shaft for rotation and for axial sliding with it. A spring is mounted in the housing to bias the drive gear into meshing engagement with the driven gear. A crank lever is pivotally connected to the second end portion of the drive shaft by an eccentrically positioned pivot pin.

Abstract: A device for winding and unwinding a waterski tow-line comprises a substantially enclosed housing having a spool mounted for rotation in the housing. A driven gear is mounted on the spool for rotational driving thereof. A drive shaft is journaled in the housing for rotation and for axial sliding relative to the housing and the drive shaft has a first end portion protruding from the housing and a second end portion extending into the housing. A drive gear is rigidly affixed to the drive shaft for rotation and for axial sliding with it. A spring is mounted in the housing to bias the drive gear into meshing engagement with the driven gear. A crank lever is pivotally connected to the second end portion of the drive shaft by an eccentrically positioned pivot pin.