CA2002119A1 - Frisbee disk and ball drop assembly - Google Patents

Abstract

FRISBEE DISK AND BALL DROP ASSEMBLY
Abstract of the Disclosure A frisbee and ball drop assembly comprising a cir-cular frisbee disk having a convex outer wall and an inner concave wall, and a ball drop assembly carried on the wall of the frisbee disk at its center for dropping a ball from the concave wall side of the disk when in flight on command from a remote control transmitter operated by a person on the ground. An object is to see how close the ball can be dropped to a preselected target on the ground. The ball drop assembly includes a loading and discharge tube to carry a ball to be dropped therefrom, a pivotally mounted gate pivotable between an open and closed position to open and close the discharge aperture of the loading and discharge tube, an operating mech-anism to pivot the gate between its open and closed positions, a power source to drive the operating mechanism, a control circuit to start and stop the power source and a receiver to receive a sound wave or radio wave signal from a remote transmitter and to energize the control circuit upon receipt of such signal. A convenient power source is one or more small dry cell batteries to power a small electric motor for driving the operating mechanism that opens and closes the discharge tube gate. A convenient con-trol circuit includes solid state components such as an integrated circuit or discrete transistors with associated resistors and capacitors to provide amplified electrical power to operate the motor upon receipt of a signal from the sound wave or radio wave receiver.
The components may be embedded in the wall of the frisbee disk.

Description

FRISBEE DISK AMD BALL DROP ASSE~BLY
Background of the Invention This inve~tion relates to the field of amusemen~
devices and games which utilize an item that is thrown l through the air, and in particular to those which I carry a se~,ond item that separates ~rom the first during flight.
Prior art devices of this kind include those i described in the ~ollowing United States patents. -~
Patent No. 4,077,155 discloses a disk shaped - -aerodynamic toy which rotates as it is thrown through the air, having a second toy member carried on a threaded sha~t secured by a nut which unscrews due to the rotation o~ the disk thereby releasing the second toy member ~or descent to the ground by way of a parachute attached to the second toy member.
l Patent No. 3,959,918 disclo~ses a toy for throwing ',' ¦ into the air comprising a diamond shaped base with a compartment in the center for a parachute. The toy l is thrown up in th air with a spinning motion. When ! it reaches its apex and begins to descend, the flap doors o~ the compartment open by gravitational pull to release the parachute~ The toy then floats back down to earth.
I Patent No. 3,855,728 discloses an aerodynamic lf`: ~" ~`~

I toy which comprises a pair of disks, one nesting ''!'"' within the other. When thrown through the air the disks separate, the nested disk sailing more slowly so the person to whom thrown can catch both disks, the ~aster ~ne first and then be can move wherever ~z~
ll necessary to catch the second one.
Patent No. 3,134jl94 discloses a toy missile for elastically propelling into the air, comprising a multi-stage toy rocket which separates in fli~ht to release a toy glider.
l Patent No. 2,744,356 discloses a toy described I as a parachute carrying aerial disk- The toy is thrown into the air and when it starts to descend, a relatively heavy figure to ~vhich the para~hute is at~ached pulls away from the disk drawing the para-chute out and away from the disk for descent to the ground.
Patent No. 1,362,8~4 discloses a toy comprising a bow and arrow in which the arrow has a canister l carried, at the tip with a doll-liXe figure and para-I chute therein. The arrow is s'hot into the air, a long string is connected at one end to a release mechanism in the canister whil,e the other end is stepped on by the person who shoots the arrow. When ~, the arrow and canister in flight reach the limit o~
the string, the release mechanism releases the doll-like I figure and parachute for descent to the earth. I
i In these examples of prior art devices, release of the second carried item cannot be determined ~rom a remote ground location a~ter the first carrier item has been put in flight, as to just when and where the second carried item will be released. Such prior art devices are there~ore limited in their use, and cannot for example be used in a game o~ skill to determine who can throw the first carrier item in a particular , ~0~)~119 direction9 and then at the exact moment release the second carried item, so it will fall on or close to a preselected target area. -The present inven-tion is an improvement over the prior art in these respects. The carried item can be released ~rom the carrier disk on command from a remote ground location at any point desired during flight. It can therefore be used not only by an in-dividual himself to see how close he can come to dropping the ball on a preselected target but in a game of skill wi-th others to see which one of the group can come closest to the target during a succes-sive number of throws until enough points are achieved to win the game.
Summary of the Invention It is an object o~ the inventioll to provide a carrier item and a carried item for flight through the air, separation means to separate the carried item from the carrier item during fligh~, and remote -- ¦
control means to signal the separation means from a remote location ~o so separate the carried item from the carrier item and permit the carried item to drop to the ground~
It is an object of the inYention to provide a carrier item and a carried item for flight through the air which can be hand thrown, separation means to separate the carried item from the carrier item -during ~light, and remote control means ~or the thrower to signal the separation means from a remote location to so separate the carried item from the ~2~

carrier item and permit the carried item to drop to the ground.
I* is an object of the invention to provide a -.
frisbee disk having a concave-convex wall and a ball carryiDg assembly carried on the concave side of the wall, and remote control discharge means to discharge a ball ~rom said ball carrying assembly from a remote locatio~ while said frisbee disk is in ~ ht.
It is an object of the invention to provide a ~risbee disk having a concave-convex wall and a ball carrying assembly embedded in a thickened central portion o~ said wall, and remote control discharge means to discharge a ball from said ball carrYing assembly ~rom a remote location ~hile said frisbee disk is in ~llght~
It is an object of the i~vention to provide a frisbee disk havi~g a concave-convex wall, a thickened central portion of said wall, and a compartment in said thickened ce~ltral portion to carry an item ~ith said grisbee disk while in flight.
It is an object of the invention to provide a frisbee disk having a concave-convex wall wherein one side of said wall is concave and the opposite side is convex, the concave side having a greater radius than the convex side to provide a progressively thicker wall from the circumferential edge extending radlally inward to the central axis of the disk for embedding items in the thickened central portion of said wall~

~ 9 . Brief D~scr ptiOIl of the Dra-Yin~ I
, .
I Fig. 1 is a ~ottom plan view of ~he concave side of a frisbee disk having a bal:L carrying assembly in l accordance with ~his invention on the concave side I ~ of the disk wall.
Fig. 2 is a section view taken on line 2 - 2 of Fig. ~. !
, Fig. 3 is a section view taken on line 3 - 3 of i Fig. 1.
Fig. 4 is a plan v~ew from the top of the ball . carrying assembly in accordance with this invention~ ¦
shown removed from the frisbee disk~ ¦
Fig. 5 is a schematic of the opera~ing circuit ~or the ball discharge mechanism in accordance with this invention.
, Flg. 6 is a bottom plan view of the housing for the ball carrying assembly in accordance with this invention.
Fig. 7 is a top plan view o~ the han~ operated sound wave transmitter for use with the remote controlled ball carrying assembly and discharge mechanism o~ *his I ¦ invention.
Fig. 8 is a side elevation view of the sound wave transmitter shown in Fig. 7.
Fig. 9 is a bottom plan view of the sound wave tr~ I.
mitter shown in Fig. 7.
Flg. 10 is a top plan view of the convex side o~
modified irisbee disk in accordance with this inventi~
a portion in the cen~er broken away to show the opera-ting components of the ball carrying assembly and dis-charge mechanism operationally embedded in a thickened central portion of said modified frisbee disk.

Fig. 11 is a section view taken on line 11 - 11 of Fig. 10.
Flg. 12 is a~sèction view og a modi~ied frisbee disk o~ the type shown in Figs, 10 and 11, having a carrying compartment embedded in the thickened central portion thereof.

Il I
Description of Preferred Embodiment ¦ A frisbee and ball drop in accordance with this invention includes a frisbee disk 2, having an arcu- -¦
ate wall 4 with a circular peripheral edge 6, a con-vex outer wall 8 and a concave inner wall 10, shaped ,I to sail through the air when thrown with its conve~Y
I outer wall 8 facing generally in an upward direction . away from the earth and its concave inner wall 10 facing generally in a downward direction toward the earth.
The concave inner wall 10 defines and borders a relatively shallow dished cavity 12 opening at an open wall 14 bounded by the circular peripheral edge 6 o~ the frisbee disk 2.
A ball carrier assembly 16 is mounted within the dished cavity 1~ and secured ~o the concave inner wall 10 axially aligned with its central axis 18.
The ball carrier assembly includes a housing 20, a battery operated motor 22 mounted therein and con nected by a drive shaft 24 to a worm 26 which drives planar gear 28. The planar gear 28 is affixed to a driven shaft 30 supported for rotation by bearings 32 and 34.
A gate operating ~rm 36 is secured to the lower end portion of driven shaft 30 for rotation therewith, and ~or engagement with the projecting free end por-tion 38 of a pivokally mounted gate 40 pivotable on pin 42 between a gate open and a gate closed position.
The gate 40 is normally biased to the gate closed posi-tion by a spring 44 connected to the opposite end 46 of the pivotally mounted gate 40. The forwardly facing side edge 48 of the gate 40 abuts against a ledge 50 when biased to the gate closed position, at which time the gate 4~ is in registration with the discharge opening 52 o~ passageway or chamber 54 of loading tube 56 to block the ball 58 therein from being discharged from the tube 56.
The gate operating arm 36 ex~ends out~vardly from the driven shaft 30 far enough to engage the projec-ting free end 38 of the gate ~0, when the planar gear 28 is driven in the counterclo kwise direction as seen in Fig. ~. The pivotally mounted gate 40 is mounted within the housing 20 with its projecting ~ree end 38 extending into the arcuate path of travel of the gate operating arm 36 when in the gate closed positio~. The gate 40 comprisec; an elongated plate having an upper surface 60 with a width dimension corresponding to that of the diameter of the discharge _-opening 52 o~ loading tube 56. A tubula~ sleeve bearing 62 extends ~rom the lower surface 64 of the gate 40 terminating at a ~ree end 66 bearing against the ~loor 68 o~ the housing 20. The sleeve bearing 62 is suf~iciently long to position the upper surface 60.of the gate ~0 far enough above the floor 68 to be immediately adjacent the discharge opening 52 of loading tube 56 to retain ~he ball 58 therein until the gate 40 is pivoted to the gate open position.
The discharge end 52 of loading tube 56 terminates at a plat~orm 74 spaced apart above the f loor 68 of housing 20 a sufficient distance to provide an .
I
.,..

2~ Z119 operating chamber 76 for the gate 40 to pivot between the gate open and gate closed positions.
A floor opening 78 is provided in the floor 68 of housing 20 in registration with the discharge opening 52 o~ the loading ~ube 4 to permit the ball 58 to drop through the floor 68 when the gate 40 is pivoted to the ga*e open position enabling the ball 58 to drop ~rom the discharge opening 52 of the tube 56.
The motor 22 is operated by a remote con~rol mech-anism comrprising a sound wave transmitter 80 and a sound wave receiver 82 which generates an electrical signal on the operating circuit 84 in which sound wave receiver 82 is connected within the housing 20 o~ ball carrying assembly 16.
The sound wave transmi~ter 80 comprises a hand held mechanism that produces a s~und and generates sound waves o~ a -frequency and intensity that can be sensed by the sound wave receiver 82 from a dis-tance at least as great as that which a frisbee can ,~
be thrown. The sound wave transmitter 80 includes a two part body 86 comprising an outer shell 8~ i and an insert 90 o~ substantially the same peripheral con~iguration but slightly smaller to be received in the cavity 92 of the outer shell 88. Each has a sound amplifying chamber, 9~ and 96 respectively, with a sound producing metal membrane 98 sandwiched between in such a way that it produces a sound, and generates sound waves, when flexed. The insert 90 is mounted in the cavity 92 o~ outer shell 88 in such a way that its handle end 100 is normally biased outwardly but may be pressed inwardly thereby flexingthe sound producing member 98 and generating the sound waves which generate an electrical signal in the sound wave receiver 82.
The operation of sound wave transmitters and receivers to generate an electrical signal is con-ventional, and their operation need not be explained in greater detail here.
A radio transmitter and receiver may also be used as the remote control and signal generating mechanism for use with this invention. The use of radio frequency waves for such purposes and how radio transmitters and receivers work is also well known and need not be repeated here.
The sound wave receiver 82 is a small component having a small cylindrical chamber 102 in which an electrical signal is induced upon receipt of sound waves genersted by the sound wave transmitter 80.
The sound wave receiver 82 is connected in operating circuit 84 to impose the signal genera~ed on the base terminal 104 o~ NPN transistor Ql whose emit-ter-base circuit is forward biased by battery pack 1~6.
An amplified curren~ ~low is thus created from the collector terminal 108 of transistor Ql to the base terminal 110 of transistor Q2, further amplifying curre~t ~rom the collector terminal 112 of transist~.
Q2 to drive the motor 22.
A limit switch 116 is provided in a disconnect circuit 118 to llmit operation of motor 22 to the time needed to rotate planar gear 28 one revolution.

~119 The operation of the limit switch is as folloWs.
An electrically conductive circular copper plate 120 is seoured to the upper surface 122 of the non-con-ductive planar gear 28, coaxially therewith, ex~end-ing radially toward the circumferential edge of planar gear 28. An annular portion of the copper plate 120 is cut away from somewhat more than half of its outer circumferential edge along opposi~e edges 124 and 126, leaving an annular portion of the non-conductive planar gear 28 exposed. A non-con ductive annular path 128 is thereby provided around somewhat more than hal~ oi' the circum~erence of the planar gear 28. The annular continuation o~ such path is on the outer circum~erence edge portion o~
the circular copper plate 120, thereby providing an electrically conductive annular path 130 as the con-tinuation of non-conductive annular path 128.
A lea~ spring electrical contact arm 132 is posi-tioned ~or continuous contact in the annular path comprising the ~o~-conductive portion 128 and the conductive portion 130 as the planar gear 2~ is rotated.
A second lea~ spring electrical contact arm 134 is positioned ~or continuous contact i~ an annular path whichisradially inward -~rom ~he cut-away portion o~ circular copper plate 120 and which i5 a continu-ously conductive annular path 136.
The leaf spring contact arms 132 and 134 are connected to respective terminals 138 and 140 of the disconnect circuit 118 in which a relay 142 is connec-ted to open switch 144, normally biased -to the closed 20~

contact position, which when opened interrupts the operating circuit 84 and stops the motor 22. This occurs during each revolution of the planar gear 28. -. When leaf spring contact arm 132 is in contact wlth l ~he non-conductive portion 128 of the annular path I in which it is positioned on the upper sur~ace of the planar gear 28, the disconnect circuit 118 is open, I
relay 142 is not energized, and switch 144 is in its normally biased closed contact position. A signal received by the sound wave receiver 82 and tra~smitted to transistor Q1 can then energize the operating cir-cuit 84 causing amplified current to flow to operate the motor 220 As the motor 22 begins to operate, it begins to rotate the planar gear 28 with leaf spring contact arm 132 in conta~.t with non-conductive annular path 128 and leaf spring contact arm 134 in contact with continuously conductive annular path 136. As planar gear 28 continues its single rotation, the electrically conductive annular path 130 reaches leaf spring con-tact arm 132, whereby an electrical circuit is co~- I

i pleted across the leaf spring contact arms 132 and 134 thereby closing the disconnect circuit 118 and energizing the re.lay 142. The normally closed switch 144 in the operating circuit 84 is thus caused to open, thereby interrupting the operating circuit and.stopping the motor 22 before the planar gear 28 ca~ begin a second revolution.
The arcuate length of the electrically conduc-tive portion 128 o~ the annular path which is L'9 intermittently conductive and non-conductive is less th~n hal~ the circumference of planar gear 28 and only long enough to permit the disconnect circuit 118 to energize relay 142 and hold switch 144 open a su~iicient length of time to interrupt the opera-ting circuit 84.
The control components o~ the operating circuit 84 9 including the sound wave capacitor 148, resistor 150, rheostat 152. capacitors 154 and 156 and tran-sistor Q2, are mounted on a circuit board 158 within the housing 20 o~ ball carrier assembly 16. The ope.
ating circuit 84 is powered by the battery pack 106 comprising two conventional dry cell batteries 160 and 162, each 1.5 ~olts, 15 amp, size AA. The batteries are carried in the battery compartment 164 o~ housing 20, and connected to the operating circuit 84 by bus bars 166. Access to the ba~tery compartrnent is by removing the compartment cover 168.
The disconnect circuit 118 comprislng leaf spring contact arms 132 and 134, conductors 170 a~d 172, and relay 142 are also mounted within the housing 20 of the b~ll carrier assembly 16.
The loading tube 56 extends upwardly ~rom its discharge end 52 and ~erminates at a loading end 174 received in an aperture 176 extending through the wall 4 of the ~risbee disk 2, ~he loading end 174 o~ tube 56 having a loading aperture 178 opening to the outer con~ex wall 8 of the frisbee disk 2.
The ball 58 is placed in ~he loading tube 56 ~rom the outer conex sur~ace of the ~risbee, and the loading _13-0~1~9 apeture 178 may then be closed by the closure cap 180.
The housing 20 and its operating components are mounted within the dished cavity 12 of the frisbee disk 2 by screws 182 or other connecting devices se-curing the mounting tabs 184 and 186, which extend across each end o~ the housing 20 9 to the concave inner wall 10 of the frisbee disk 2.

The frisbee and ball drop in accordance with this invention may be used for amusement inageneral sense, and may also be used in a contest or game to see who can drop the ball 58 closest to a selected target from a thrown ~risbee.
Operation oi the frisbee and ball drop in accor-dance with this invention is as .Eollows. The ball 58 is placed in the loading chamber 54 of tube 56 and closure cap 180 is placed on the tube to close the loading aperture 178. The ~:risbee disk 2 is then thrown into the air with one hand, convex wall 8 ~acing upwardly and concave wall 10 facing down-wardly, and the sound wave transmitter 80 is held in the other hand ready to generate a sound wave signal ~hen the ~ris~ee disk 2 has sailed to whatever location chosen for discharge of the ball 58.
At such time, the sound wave transmitter 80 is squeezed, pushing the insert 90 inwardly to flex the sounding producing metal membrane 98, thereby generating a sound wave which is transmitted to the sound wave receiver 82 in the housing 20 carried by the -~risbee disk 2. The receiver 82 thereupon generates an electrical signal which is transmitted I ' ....

to transistor Ql causing amplified current to ~low to the motor 22 as described above. The motor 22 rotates the planar gear 28 and the gate operating arm 36 connected for rotation with the shaft 30 to ~hich planar gear 28 is secured. As the gate oper-ating arm 36 rotates it engages the projecting free end portion 38 n~ the pivotally mounted gate 40 and pivots it to the ga~e open position, thereby opening the discharge aperture 52 of the loading tube 56 and discharging the ball 58 ~rom the housing 20 and down-wardly ~acing concave wall side o~ the disk 2. The ball 58 clears the frisbee disk 2 and falls to the ground. With practice, a person can learn to m~ke the ball hit near or on a selected target area by thro~ing the ~risbee a particular way and selecting exactly the right moment to discllarge the ball.
A~ter the ball has been discharged ~rom the ~risbee, the plana~ gear 28 cont:inues to be rotated b~ the motor 22 in its single revolution until the electrically conductive annular portion 130 o~ the copper plate 120 on the upper surface of plan~r gear 28 reaches leaX spring contact arm 132. At such time, an electrical circuit is completed across leaf spring contact arms 132 and 134 through the copper plate 120, thereby energizing relay 142 in the digconnect circuit 118 to open normally closed contact 144 in the oper-ating circuit 8~. The operating circuit 84 is thus interrupted and motor 22 stops before planar gear 28 has begun a second revolutlon. I
When the planar gear 28 continues i1ts rotation 1~' X~Zll9 during ~he single revolution, the gate operating arm 36 rotates past its engagement with the free end portion 3~ of the pivotally mounted gate 40, thereby relea- -~
sing it to swing back to its gate closed position under the bias of spring 44. The discharge aperture 52 oi the loading ~ube 56 is thus closed ready for reloading.
The component parts of the ball carrier assembly 16 in accordance with this invention may be placed together more compactly than shown in Figures 2-4 of the drawings for purposes of being able to illustrate better. The receiver 82 and motor 22 have the lar- I
gest cross-sectional dimension or thickness, and that dimension can be as small as one-half to three-quar-ter of an inch. If grouped closely together, the components can be mounted within a compartment no longer than three inches and no wider than two inches, with a depth no greater than one-half to three-quar-ters of an inch~ Such compar~ment can be molded into the arcuate wall 4 o~ the frisbee disk at its center, and the components themselves can be embed-ded in the plastic wall of the ~risbee disk if desired. Figures 10 and 11 illustrate an embodi-mett of this i~vention in which the compartment and some o~f the components themselves are embedded in the wall of a modified frisbee disk 200.
The modified frisbee disk 200 includes a stlbst~ntiallJ arcu-ate wall 40~ having a thickened arcuate wall portion 402 at its center and gradually thinning toward its peripher ge ~04. The olltw~rdly substanti~lly conve~ wall ., :. . I

portion 800 has a smaller radius than the inwardly facing subs~antially concave wall portion 1000. This disk construction makes it possible to place the ball carrier assembly in accordance with this invention within the wall of the frisbee disk itself.
Figure 12 is another illustra-tion of a frisbee disk for use with this invention. The disk shown in Figure 12 is formed by providing the wall 400 with an arcuate ¢ross-sectional con~iguration around the ou1ter peripheral section, and then making the central portion of the disk substantially flat. The inner and outer surfaces of the arcuate outer peripheral section diverge as they extend radially inwardly from the peripheral edge 404 creating a gradually thicker wall until they reach the substantially flat central portion of the disk shown in Figure 12. The inner and outer sur~aces of the disk wall 400 then extend in substantially parallel planes, uniformly spaced apart, to provide the thickened wall portion 402 as shown in Figur~ 12.
A box or other enclosure 188 may be embedded in the center of the thickened wall portion to carry such items as the ball carrying and remote control discharge assembly of this invention. Other items may be carried in such enclosure, such as battery powered lîghts, music boxes or sound emitting devices, and the like which enhance the entertainment and amuse-ment characteristics of frisbee disks.
A~ operating circuit disconnect switch 190 may be provided to disconnect the batteries 106 completely from the operating circuit 84 when ~he ~all drop frisbee as described herewin is not in use.

.,.

Claims (11)

1. An aerodynamic disk and carried member for flight through the air, in which said disk has an upwardly facing surface which faces generally upward and away from the earth during flight and a downwardly facing surface which faces generally downward and toward the earth during flight and a carried member carried by said disk during flight and separatable therefrom during flight, remote controlled separation means to separate said carried member from said disk on command during flight, and remote control transmitting means to command said separation means to separate said carried member from said disk during flight, wherein said remote controlled separation means includes a discharge chamber to hold said carried member, said discharge chamber including a discharge aperture for discharge of said carried member from said discharge chamber on command from said remote control means, wherein said remote controlled separation means includes retention and discharge means movable between an aperture closed and aperture open position to respectively retain said carried member in said discharge chamber when in said aperture closed position and discharge said carried member from said discharge chamber when in said aperture open position, wherein said remote controlled separation means includes operating means to move said retention and discharge means between said aperture closed and aperture open positions, power means to drive said operating means, and a remote control receiver to start said power means and initiate operation of said operating means, said remote control transmitting means including a remote control transmitter operable to transmit a signal to said remote control receiver, wherein said retention and discharge means includes a gate member pivotally mounted for pivotable movement between said aperture open and aperture closed positions, biasing means to normally bias said gate member to said aperture closed position, said gate member including a projecting portion for engagement by a gate opening member, said operating means including said gate opening member, gear means to operate said gate opening member, said power means including a battery power supply to power an electric motor and an electric motor to drive said gear means, an operating and control circuit connected between said electric motor and said battery power supply to energize said motor upon receipt of a said signal by said remote control receiver from said remote control transmitter, said remote control receiver being connected in said operating and control circuit, including limit switch means to interrupt said operating and control circuit and stop said motor after a determined movement of said gear means, said gear means includes a planar gear having a planar surface, a first annular contact path extending around said planar surface of said planar gear, a second annular contact path extending around said planar surface of said planar gear spaced apart radially from said first annular contact path and concentric therewith, said first annular contact path being continuously electrically conductive throughout its entire circumference, said second annular contact path having a first arcuate portion which is electrically conductive and a second arcuate portion which is electrically non-conductive, a first electrical contact in continuous contact with said first annular contact path as said planar gear rotates, a second electrical contact in continuous contact with said second annular contact path as said planar gear rotates, said first and second electrical contacts being connected in a disconnect circuit, including said disconnect circuit, said disconnect circuit being completed and energized when said second electrical contact is in contact with said first electrical conductive arcuate portion of said second annular contact path and being interrupted and de-energized when said second contact is in contact with said second non-conductive arcuate portion of said second annular contact path, said limit switch means being in said disconnect circuit and connected to interrupt said operating and control circuit and stop said motor when said planar gear rotates said first conductive arcuate portion of said second annular contact path into contact with said second electrical contact.

2. An aerodynamic disk and carried member as set forth in claim 1, wherein said limit switch means includes an electrical relay comprising an induction coil and an electrical switch responsive thereto, said electrical switch being connected in said operating and control circuit and being normally biased to a contact closed position, said switch being movable to the contact open position upon energization of said induction coil of said relay responsive to energization of said disconnect circuit.

3. An aerodynamic disk and carried member as set forth in claim 2, wherein all of the said components of said remote controlled separation means and said carried member are encased in a housing, including said housing, said housing being connected to said downwardly facing surface of said disk and axially aligned therewith.

4. An aerodynamic disk and carried member as set forth in claim 2, wherein said disk includes a thickened central wall portion, all of the said components of said remote control separation means and said carried member are encased in a housing, including said housing being connected to said downwardly facing surface of said disk and axially aligned therewith.

5. An aerodynamic disk for flight through the air having an upwardly facing surface which faces generally upward and away from the earth during flight and a downwardly facing surface which faces generally downward and toward the earth during flight and a carried member carried by said disk during flight and separable therefrom during flight, remote controlled separation means to separate said carried member from said disk on command during flight, and remote control transmitting means to command said separation means to separate said carried member from said disk during flight, said remote control transmitting means including signal transmitting means able to transmit an operable signal a predetermined distance corresponding to the distance said disk travels during said flight, wherein said remote controlled separation means includes a discharge chamber to hold said carried member, said discharge chamber including a discharge aperture for discharge of said carried member from said discharge chamber on command from said remote control means.

6. An aerodynamic disk and carried member as set forth in claim 5, wherein said remote controlled separation means includes retention and discharge means movable between an aperture closed and aperture open position to respectively retain said carried member in said discharge chamber when in said aperture closed position and discharge said carried member from said discharge chamber when in said aperture open position.

7. An aerodynamic disk and carried member as set forth claim 6, wherein said remote controlled separation means includes operating means to move said retention and discharge means between said aperture closed and aperture open positions, power means to drive said operating means, and a remote control receiver to start said power means and initiate operation of said operating means, said signal transmitting means including a remote control sound wave transmitter operable to transmit a sound wave signal to said remote control receiver.

8. An aerodynamic disk and carried member as set forth in claim 7, wherein said remote controlled separation means is carried on said aerodynamic disk for discharge of said carried member from said downwardly facing surface to fall by gravity to the earth.

9. An aerodynamic disk and carried member as set forth in claim 7, wherein said retention and discharge means includes a gate member pivotally mounted for pivotable movement in two opposite directions of rotation between said aperture closed and aperture open positions, biasing means to normally bias said gate member to said aperture closed position, said gate member including a projecting portion for engagement by a gate opening member, said operating means including said gate opening member, gear means to operate said gate opening member, said power means including a battery power supply to power an electrical motor and an electric motor to drive said gear means, an operating and control circuit connected between said electric motor and said battery power supply to energize said motor upon receipt of a said signal by said remote control receiver from said remote control transmitter, said remote control receiver being connected in said operating and control circuit.

10. An aerodynamic disk and carried member as set forth in claim 1, said carried member comprising an enclosure, said disk comprising a circular wall having a peripheral edge portion of arcuate cross-section and a thickened central portion, said thickened central portion of said disk wall including a wall cavity therein, said enclosure being received in said wall cavity, said enclosure having a chamber to receive and hold items for flight with said disk.

11. An aerodynamic disk and carried member as set forth in claim 10, wherein said peripheral edge portion of arcuate cross-section includes an outer convex surface and an inner concave surface, said inner concave surface and said outer convex surface diverging from each other as they extend radially inwardly from the peripheral edge of said circular wall to said thickened central portion.

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