Abstract: A mechanical broadhead has an elongated body and a plurality of cutting blades pivotably mounted to the elongated body. The cutting blades, when in a folded position, nest in longitudinally extending slots in the elongated body, but assume an extended position when the broadhead enters a target.

Abstract: A mechanical broadhead has an elongated body and a plurality of cutting blades pivotably mounted to the elongated body. The cutting blades, when in a folded position, nest in longitudinally extending slots in the elongated body, but assume an extended position when the broadhead enters a target.

Abstract: A deep diving fishing lure having a forwardly-extending diving lip is provided with a fore-and-aft pivotable lure positioning arm pivotably mounted about a pivot axis within the diving lip near the lower portion of the forward face. The lure positioning arm, when fixed in an aft position relative to the pivot axis rests within a longitudinally extending groove located in the diving lip. The lure positioning arm, when in the fixed aft position maintains the lure in a diving position when pulled through a body of water but negates the lure's tendency to dive when released from the aft position.

Abstract: A trolling diver device includes a cylindrical body carried by a guide plate and a fin extending away from the cylindrical body for positioning a lure or bait at a predetermined depth. The diver is lowered and maintained at the predetermined depth while a fishing line connected to a boat pulls the diver through the water. A release arm is pivotally mounted to the guide plate and releasably movable between a locked and unlocked position for orienting the diver device in water so as to minimize drag while raising a hooked fish and the diver device toward the surface.

Abstract: A deep diving fishing lure having a forwardly-extending diving lip is provided with a fore-and-aft pivotable lure positioning arm mounted to the diving lip. The lure positioning arm, when locked in aft position, maintains the lure in a diving position when pulled through a body of water but negates the lure's tendency to dive when released from the aft position.

Abstract: A deep diving fishing lure having a forwardly-extending diving lip is provided with a fore-and-aft pivotable lure positioning arm mounted to the diving lip. The lure positioning arm, when locked in aft position, maintains the lure in a diving position when pulled through a body of water but negates the lure's tendency to dive when released from the aft position.

Abstract: A trolling diver device includes a cylindrical body carried by a guide plate and a fin extending away from the cylindrical body for positioning a lure or bait at a predetermined depth. The diver is lowered and maintained at the predetermined depth while a fishing line connected to a boat pulls the diver through the water. A release arm is pivotally mounted to the guide plate and releasably movable between a locked and unlocked position for orienting the diver device in water so as to minimize drag while raising a hooked fish and the diver device toward the surface.

Abstract: A hydrodynamic fishing device includes a plate that changes attitude as the plate passes through a body of water. A plate positioning controller is pivotally mounted to the plate and is indexable relative to the plate by direct application of manual force so as to assume a plurality of predetermined adjustment positions. The adjustment positions establish different paths of travel of the plate as the plate passes through a body of water.

Abstract: A hydrodynamic fishing device includes a plate that changes attitude as the plate passes through a body of water. A plate positioning controller is pivotally mounted to the plate and is indexable relative to the plate by direct application of manual force so as to assume a plurality of predetermined adjustment positions. The adjustment positions establish different paths of travel of the plate as the plate passes through a body of water.

Abstract: A coupling system suitable for use with a transmission cable is described. The system includes a rotary electrical coupling operably connected to a cable reel assembly having a main body and a reel rotatably mounted to the main body for winding the transmission cable. The rotary electrical coupling provides for the transmission of electrical signals and power between the cable on the reel and a vessel. The rotary electrical coupling includes a rolling electrical contact bearing.

Abstract: An underwater viewing system suitable for providing images of an area around an underwater lure is described. The system includes a video camera coupled, via a cable, to a display. The cable has a plurality of electrical leads twisted about, and electrically isolated from, each other. Surrounding the electrical leads is an outer shield comprised of a plurality of stainless steel strands. The shield, and thus the cable, has an outer diameter less than 0.070 inches.

Abstract: A coupling system suitable for use with a transmission cable is described. The system includes a tongue and a connector housing coupled to a cinch. The connector housing is generally cylindrical. The connector housing defines an open bore adapted to receive the cable and has an aperture at one end of the housing. The cinch is attached to the connector housing and has two walls that diverge from each other and the housing aperture. The tongue is adapted to wedge the cable between the cinch walls and outer peripheral surface of the tongue.