Patent Document:

referring to fig1 - 3 , an embodiment of the lure 10 of the present invention is shown built upon an elongated stiff wire support 11 comprised of a shaft portion 17 having an eyelet member 18 formed at its upper end and a looped snap member 19 formed on its lower end . said snap member is formed only after the other structural components of the lure have been threaded onto said shaft portion . a spinner unit 12 having one to eight upwardly directed blades 21 radially disposed about a hub element 22 is journaled to said shaft portion by virtue of a centered bearing bore 23 in said hub . the expressions &# 34 ; upwardly &# 34 ; or &# 34 ; forwardly &# 34 ; as employed herein are intended to denote the direction facing eyelet member 18 . when a number of blades are employed , they are of identical size and shape , and are equidistantly spaced in a circular array about the hub . the extent by which the blades are forwardly directed is indicated by the angle a of fig2 which may range between 10 and 20 degrees . in preferred embodiments , the blades are concavely curved in the upward direction , and are pitched relative to the hub in a manner of a propeller of an airplane . bore 23 is of cylindrical contour , having a length preferably at least four times its diameter , and a diameter about 0 . 004 to 0 . 020 inch greater than the diameter of shaft portion 17 . such characteristics of the bore cause the spinner unit to rotate freely and easily upon said shaft portion , yet without wobble . it is to be noted that , when the lure is allowed to fall through the water , as shown in fig3 the direction of rotation of the spinner is opposite to the direction of rotation when the line is pulled through the water , as shown in fig1 . upper and lower spherical bearing units 30 and 31 , respectively , having centered bores 32 are rotatively disposed upon said shaft portion above and below hub element 22 . a stop unit 53 is affixed to shaft portion 17 below lower bearing unit 31 for the purpose of maintaining the position of forwardly disposed components on said shaft portion . an offset , keel shaped , elongated weight member 40 having rounded extremities and an elongated axial channel 41 is mounted by virtue of said channel and affixed securely to said shaft portion below stop unit 53 . it has been found that , by affixing the weight member to the wire shaft , and by employing an offset , keel shaped weight unit , twisting of the fishing line to which the lure is attached is significantly reduced or eliminated . the weight member can be fixed to the wire via crimping , solder , adhesives , or other means . the expression &# 34 ; offset &# 34 ; is intended to denote a configuration asymmetric relative to shaft portion 17 . in particular , the keel structure is disposed on just one side of shaft 17 . a buoyant head 54 having a centered channel is rotatively mounted by virtue of said channel upon shaft portion 17 in abutment with upper bearing unit 30 and eyelet member 18 . the size , shape and degree of buoyancy of buoyant head 54 are carefully chosen so that the combined effect of the weight member , spinner unit , and buoyant head is such as to dispose the lure in a stable vertical position when falling through the water . it has been found that , in the absence of buoyant head 54 , the lure may descend in water in an orientation other than vertical with eyelet 18 upwardly directed . such is particularly the case when a lower attractor is employed comprised of feathers which create a drag force comparable to the gravitational effect of the weight element . a removable upper attractor member 55 , preferably fabricated of soft plastic material , is adapted to removably embrace said weight member . member 55 may be partially slit in a manner permitting adequate deformation for emplacement upon the weight member and wire shaft . once emplaced , attractor member 55 may be secured in place by clips , tape , wire , or other equivalent securing means . attractor member 55 may be of a shape , size and color as to resemble favorite food items of the fish being sought . numerous different attractor members may be alternatively employed on the same lure . a conventional multi - pointed fish hook 60 is held by looped snap member 19 . in order to achieve its function of concealing the fish hook without impairing its effectiveness , a lower attractor member 50 is preferably comprised of a fringed skirt element 52 or equivalent multi - stranded structure which may be fabricated of fibers , feathers , plastic tentacles and the like , and tied directly to the top of the hook . when employed in lures of the aforesaid construction , the buoyant head provides two significant effects , namely : a ) enhanced attainment of vertical posture , even without a spinner , particularly when a weight member is disposed upon the lower portion of the wire support and b ) slowed rate of descent , the magnitude of which is controllable by suitable matching of the size of the buoyant head to the size of the weight . such effects improve the efficiency of the lure in catching fish . while particular examples of the present invention have been shown and described , it is apparent that changes and modifications may be made therein without departing from the invention in its broadest aspects . the aim of the appended claims , therefore , is to cover all such changes and modifications as fall within the true spirit and scope of the invention .

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