Package loading mechanism

1. A payload retrieval apparatus comprising:

an extending member having an upper end and a lower end;

a channel having a first end and a second end, the channel coupled to the extending member;

a first tether engager that extends in a first direction from the first end of the channel; and

a payload holder positioned near the second end of the channel and is adapted to secure a payload.

2. The payload retrieval apparatus of claim 1 , wherein an angled extender is secured to the extending member and secured to the channel.

3. The payload retrieval apparatus of claim 1 , wherein a first shield extends from the first end of the channel.

4. The payload retrieval apparatus of claim 1 , wherein a first shield extends from the first tether engager.

5. The payload retrieval apparatus of claim 1 , further including a second tether engager that extends in a second direction from the first end of the channel section.

6. The payload retrieval apparatus of claim 5 , wherein a first shield extends from the first tether engager and a second shield extends from the second tether engager.

7. The payload retrieval apparatus of claim 1 , wherein an upper portion of the channel includes a tether slot that extends from the first end of the channel to the second end of the channel.

8. The payload retrieval apparatus of claim 7 , wherein the channel has an interior having cams or slots adapted to cooperate with external cams or slots on a payload retriever attached to an end of a tether suspended from a UAV, to orient the payload retriever within the channel.

9. The payload retrieval apparatus of claim 7 , wherein one or more magnets are positioned on an interior of the channel or on a payload retriever attached to an end of a tether suspended from a UAV adapted to magnetically engage one or more magnets, or a metal, positioned on the interior of the channel or on the payload retriever, to orient the payload retriever within the channel.

10. The payload retrieval apparatus of claim 7 , wherein the channel has an interior that tapers downwardly towards the second end of the channel.

11. The payload retrieval apparatus of claim 1 , wherein the payload holder comprises a pair of pins adapted to extend through openings in a handle of a payload.

12. The payload retrieval apparatus of claim 1 , wherein the payload holder comprises one or magnets adapted to magnetically engage one or more magnets positioned on the payload.

13. The payload retrieval apparatus of claim 1 , wherein a payload loader is positioned adjacent the payload holder; and

wherein after a first payload is retrieved from the payload holder, a second payload positioned on the payload loader moves into position on the payload holder.

14. A system for payload retrieval comprising:

a payload retrieval apparatus comprising:

an extending member having an upper end and a lower end;

a channel having a first end and a second end, the channel coupled to the extending member;

a first tether engager that extends in a first direction from the first end of the channel;

a payload holder positioned near the second end of the channel that is adapted to secure a payload;

wherein at least an upper portion of the channel includes a tether slot that extends from the first end of the channel to the second end of the channel, the tether slot configured to guide passage of a tether coupled to a payload retriever when the payload retriever is passing within the channel.

15. The system of claim 14 , wherein the payload retriever comprises a capsule having a slot adapted to engage a handle of the payload; and

wherein the channel has an interior having cams or slots in engagement with external cams or slots on the capsule, to orient the capsule within the channel section.

16. The system of claim 14 , wherein the payload retriever comprises a capsule having a slot adapted to engage a handle of the payload; and

wherein one or more magnets are positioned on an interior of the channel or the capsule adapted to magnetically engage with one or more magnets, or a metal, positioned on interior of the channel or the capsule, to orient the capsule within the channel.

17. The system of claim 14 , further including a payload loader positioned adjacent the payload holder; wherein after a first payload is retrieved from the payload holder, a second payload positioned on the payload loader moves into position on the payload holder.

18. The system of claim 14 , wherein the payload retriever comprises a capsule having a slot with a lip positioned below the slot, with the lip adapted to extend through an aperture in a handle of the payload during retrieval of the payload.

19. The system of claim 18 , wherein the lip of the capsule extends downwardly within the slot, and the lip is outwardly extendable from a body of the capsule to facilitate entry into the aperture of the handle of the payload, and the lip is retractable towards the body of the capsule to secure the handle of the payload to the capsule following retrieval of the payload.

20. The system of claim 14 , wherein the payload comprises a handle with an aperture, the payload secured to the payload holder;

wherein the payload retriever is attached to the tether that is suspended from a UAV; and

wherein the tether slot has a width that is narrower than a width of the payload retriever.

21. A method of a retrieving a payload with a UAV, comprising the steps of:

positioning a payload having a handle with an aperture on a payload holder coupled to a channel on a payload retrieval apparatus;

causing a UAV having a payload retriever attached to a tether suspended from the UAV to position the tether to come into contact with a first tether engager;

causing the UAV to advance the tether into a tether slot positioned in the channel, wherein the tether slot has a width that is narrower than a width of the payload retriever;

causing the UAV to advance the payload retriever into the channel;

causing the UAV to advance the payload retriever until the payload retriever engages the handle of the payload; and

causing the UAV to pick up the payload by the payload retriever thereby disengaging the payload from the payload holder.

22. The method of claim 21 , wherein the payload retriever comprises a capsule having a slot adapted to engage the handle of the payload; and

wherein the channel has an interior having cams or slots in engagement with external cams or slots on the capsule, to orient the capsule within the channel.

23. The method of claim 21 , wherein the payload retriever comprises a capsule having a slot adapted to engage the handle of the payload; and

wherein one or more magnets are positioned on an interior of the channel or on the capsule adapted to magnetically engage with one or more magnets, or a metal, positioned on the interior of the channel or the capsule, to orient the capsule within the channel.

24. The method of claim 21 , further including the step of positioning a payload loader adjacent the payload holder; and

after the payload is disengaged from the payload holder, moving an additional payload positioned on the payload loader into position on the payload holder.