Multi-positional, locking artificial tree trunk
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A47G-033/06
A41G-001/00
출원번호
US-0740926
(2015-06-16)
등록번호
US-9883706
(2018-02-06)
발명자
/ 주소
Chen, Johnny
출원인 / 주소
Willis Electric Co., Ltd.
대리인 / 주소
Christensen, Fonder, Dardi & Herbert PLLC
인용정보
피인용 횟수 :
2인용 특허 :
343
초록▼
A locking artificial tree trunk including a first generally cylindrical, hollow trunk portion including an upper end, the upper end defining a notch, and a second generally cylindrical trunk portion including a body portion, a lower end having an insertable portion, and an upper end. The locking art
A locking artificial tree trunk including a first generally cylindrical, hollow trunk portion including an upper end, the upper end defining a notch, and a second generally cylindrical trunk portion including a body portion, a lower end having an insertable portion, and an upper end. The locking artificial tree trunk also includes a coupling mechanism having a body portion and an upper portion having a tab, and defining a channel for receiving the insertable portion of the lower end of the second trunk portion. The body portion is inserted substantially into the upper end of the first trunk portion with the tab of the upper portion aligned with the notch, thereby preventing rotation of the coupling mechanism within the upper end of the first trunk portion.
대표청구항▼
1. An artificial tree trunk assembly, comprising: a first generally cylindrical, hollow trunk portion including an end and an inner surface;a sleeve including a generally-cylindrical body portion and an upper portion, the body portion having an outside surface and an inside surface, the inside surfa
1. An artificial tree trunk assembly, comprising: a first generally cylindrical, hollow trunk portion including an end and an inner surface;a sleeve including a generally-cylindrical body portion and an upper portion, the body portion having an outside surface and an inside surface, the inside surface defining an axially-extending channel and including a plurality of axially-extending ribs, each of the plurality of ribs projecting radially inward toward a center of the channel, each of the ribs having a portion distal the upper portion projecting radially toward the center of the channel and a portion proximal the upper portion projecting radially toward the center of the channel, each of the plurality of ribs including a surface at the proximal end inclining toward a center of the channel in a direction from the upper portion toward the body portion;wherein the body portion is located substantially within the end of the first trunk portion such that the outside surface of the body portion contacts the inside surface of the trunk portion. 2. An artificial tree comprising the tree trunk assembly of claim 1. 3. The locking artificial tree trunk assembly of claim 1, wherein the upper portion includes a first end and a second end, and an inside surface that is inclined from the first end toward the second end in a direction toward the channel. 4. The locking artificial tree trunk assembly of claim 3, wherein the inside surface forms an acute angle with a central axis of the channel. 5. The locking artificial tree trunk assembly of claim 1, wherein the upper portion is outside of the trunk portion, and abuts an edge of the end of the trunk portion. 6. The locking artificial tree trunk assembly of claim 1, wherein the plurality of ribs are spaced apart equidistantly. 7. The locking artificial tree trunk assembly of claim 1, wherein the plurality of ribs comprises four ribs. 8. The locking artificial tree trunk assembly of claim 1, further including a second tree trunk section adapted to couple to the first tree trunk section and the sleeve. 9. A sleeve for a tree trunk of an artificial tree a sleeve including a generally-cylindrical body portion and an upper portion, the body portion having an outside surface and an inside surface, the inside surface defining a axially-extending channel and including a plurality of axially-extending ribs, each of the plurality of ribs projecting radially inward toward a center of the channel, each of the ribs having a portion distal the upper portion projecting radially toward the center of the channel and a portion proximal the upper portion projecting radially toward the center of the channel, the distal portion projecting further into the channel as compared to the proximal portion, such that each of the ribs is tapered. 10. The sleeve of claim 9, wherein the upper portion includes a first end and a second end, and an inside surface that is inclined from the first end toward the second end in a direction toward the channel. 11. The sleeve of claim 10, wherein the inside surface forms an acute angle with a central axis of the channel. 12. The sleeve of claim 9, wherein the upper portion comprises a flanged portion, the flanged portion having an outside diameter that is greater than an outside diameter of the body portion. 13. The sleeve of claim 9, wherein the plurality of ribs are spaced apart equidistantly. 14. The sleeve of claim 9, wherein the plurality of ribs comprises four ribs. 15. An artificial tree, comprising: a first tree trunk portion including a first generally cylindrical, hollow trunk portion body defining a lengthwise axis extending between a first end of the first trunk portion body and a second end of the first trunk portion body, a first plurality of branch-support rings connected to the first trunk portion body, a first plurality of branches pivotally coupled to the first plurality of branch-support rings, and a first coupling mechanism inserted into the first end of the first trunk portion body, the first coupling mechanism comprising a sleeve that includes a generally-cylindrical body portion and an upper portion, the body portion having an outside surface and an inside surface, the inside surface defining a axially-extending channel and including a plurality of axially-extending ribs, each of the plurality of ribs projecting radially inward toward a center of the channel, the upper portion abutting an edge of the first end of the first trunk portion body;a second tree trunk portion connectable to the first tree trunk portion, the second tree trunk portion including a second generally cylindrical, hollow trunk portion body defining a lengthwise axis extending between a first end of the second trunk portion body and a second end of the second trunk portion body, a second plurality of branch-support rings connected to the second trunk portion body, a second plurality of branches pivotally coupled to the second plurality of branch-support rings, and a second coupling mechanism inserted into the second end of the second trunk portion body, the second coupling mechanism including a portion inserted into the second end of the second trunk portion body and a portion that is outside of the second trunk portion body and abutting an edge of the second end of the second trunk portion body; anda third trunk portion including a third trunk portion body inserted into the second coupling mechanism, the third trunk portion body having an outside diameter that is less than the outside diameter of the second trunk portion body and including a third plurality of branches directly coupled to the third trunk portion body. 16. The artificial tree of claim 15, wherein each of the plurality of ribs includes a surface inclining toward a center of the axially-extending channel in a direction from the upper portion toward the body portion. 17. The artificial tree of claim 15, wherein the upper portion of the first coupling mechanism comprises a flanged portion, a surface of the flange abutting the edge of the first end of the first trunk portion body such that the first end of the first trunk portion body is entirely outwardly exposed. 18. The artificial tree of claim 15, wherein the first coupling mechanism includes a tab inserted into the first end of the first trunk portion body. 19. The artificial tree of claim 15, wherein the ribs of the plurality of ribs are equidistantly spaced apart from one another. 20. The artificial tree of claim 15, wherein the second trunk portion body fits into the axially-extending channel of the first coupling mechanism.
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