Patent ID: 7941962

Claim:
A suction bottom decoy with removable keel comprising: a main body comprising: a bottom arranged to be in contact with a surface of a body of water; a cavity on the bottom that extends into the main body to create a suction attachment between the main body and the surface of the body of water, said cavity being defined by a hollow in the main body and a planar rim completely circumscribing said hollow; a removable keel comprising: an attachment mechanism for attachment of said removable keel to said main body portion, said attachment mechanism comprising: at least one slot element for sliding engagement with said body portion, said slot element comprising a structure defined by, a slot extending lengthwise along said slot element and open on at least a first end of the at least one slot element, an aperture narrower than said slot element and extending lengthwise along said slot and providing ingress thereto along the slot element, and a projection extending upward from said slot element; a bracket connected to the slot element; a ballast section affixed distally to the bracket opposite said slot element; and at least one extension element protruding from the bottom of the main body within said cavity, inside said rim, and protruding a distance less than the plane of said rim so as not to extend beyond the rim, each extension element comprising a flange having a cross-section in the shape of an inverted T with: a first portion that extends downward from the main body for traversing said aperture of said at least one slot element; and a second portion protruding transversely across said first portion and held captive in the slot extending lengthwise along said at least one slot element; wherein each of said at least one extension elements slidably and frictionally engages a corresponding one of said at least one slot elements to arrest said removable keel in engagement with said main body.