[미국특허]
Floating feed assist unit for the payoff of bulk packaged welding wire
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65H-057/20
B65H-057/18
B23K-009/133
B65H-049/08
출원번호
US-0501621
(2015-07-30)
등록번호
US-10059561
(2018-08-28)
국제출원번호
PCT/US2015/042910
(2015-07-30)
국제공개번호
WO2016/022389
(2016-02-11)
발명자
/ 주소
Pfaller, Thomas Leo
Krause, Robert Allen
출원인 / 주소
ALCOTEC WIRE CORPORATION
대리인 / 주소
Edell, Shapiro & Finnan, LLC
인용정보
피인용 횟수 :
0인용 특허 :
11
초록▼
A feed assist unit (1) includes a base portion (2) having a plurality of ribs (16a-d) on a lower surface (18) thereof. A dome portion (4) is connected to the base portion (2), and a rotating conduit portion (6) has a curved shape and is coupled to the dome portion (4). Each of the ribs (16a-d) has a
A feed assist unit (1) includes a base portion (2) having a plurality of ribs (16a-d) on a lower surface (18) thereof. A dome portion (4) is connected to the base portion (2), and a rotating conduit portion (6) has a curved shape and is coupled to the dome portion (4). Each of the ribs (16a-d) has a first end (20) adjacent to the dome portion (4) and a second end (22) adjacent an associated side (14) of the base portion (2). The feed assist unit (1) has first and second central axes (A-A, B-B) oriented perpendicular to each other. First and third of the ribs (16a, 16c) are oriented parallel to the second central axis (B-B) and the second and fourth of the ribs (16b, 16d) can be oriented parallel to the first central axis (A-A). The first and third ribs (16a, 16c) are offset from the second central axis (B-B) by an offset length (OL) and the second and fourth ribs (16b, 16d) are offset from the first central axis (A-A) the offset length (OL).
대표청구항▼
1. A feed assist unit, comprising: a base portion having a plurality of ribs disposed on a lower surface thereof, the plurality of ribs extending from the lower surface, wherein the base portion includes at least one depression located on an upper surface of the base portion, wherein the at least on
1. A feed assist unit, comprising: a base portion having a plurality of ribs disposed on a lower surface thereof, the plurality of ribs extending from the lower surface, wherein the base portion includes at least one depression located on an upper surface of the base portion, wherein the at least one depression corresponds to and is disposed at a location opposite to one of the plurality of ribs,a dome portion connected to the base portion, anda rotating conduit portion rotatably coupled to the dome portion, the rotating conduit having a curved shape. 2. The feed assist unit of claim 1, wherein each of the plurality of ribs has a first end disposed adjacent to the dome portion and a second end disposed adjacent to an associated side of the base portion. 3. The feed assist unit of claim 1, wherein each of the plurality of ribs is oriented perpendicular with respect to an associated side of the base portion. 4. The feed assist unit of claim 1, wherein the feed assist unit has first and second central axes oriented perpendicular to each other. 5. The feed assist unit of claim 4, wherein the plurality of ribs comprise first, second, third and fourth ribs, wherein the first and third ribs are oriented parallel to the second central axis and the second and fourth ribs are oriented parallel to the first central axis. 6. The feed assist unit of claim 5, wherein the first and third ribs are offset from the second central axis by a first offset length and the second and fourth ribs are offset from the first central axis by a second offset length. 7. The feed assist unit of claim 5, wherein first ends of the first, second, third and fourth ribs are positioned at about the 11 o-clock, 2 o-clock, 5 o-clock and 8 o-clock positions, respectively, with respect to the dome portion. 8. The feed assist unit of claim 1, further comprising a bearing disposed between the dome portion and the rotating conduit portion. 9. The feed assist unit of claim 1, wherein the dome portion has a height as measured from the base portion, the height being sufficient such that a first end of the rotating conduit portion does not extend past the base portion. 10. The feed assist unit of claim 1, wherein the base portion has a perimeter with a plurality of sides forming an octagonal shape. 11. The feed assist unit of claim 1, wherein the ribs are integrally formed with the base portion. 12. A method of dispensing welding wire from a container, comprising: providing a feed assist unit on top of a wire stack disposed within a container, the feed assist unit comprising: a base portion having a plurality of ribs disposed on a lower surface thereof, the plurality of ribs extending from the lower surface, wherein the base portion includes at least one depression located on an upper surface of the base portion, wherein the at least one depression corresponds to and is disposed at a location opposite to one of the plurality of ribs, anda dome portion connected to the base portion, andfeeding wire from the wire stack through an opening in the dome portion. 13. The method of claim 12, further comprising directing the wire from the wire stack through a rotating conduit disposed in the opening in the dome portion, and directing the wire through the opening in the dome portion via the rotating conduit. 14. The method of claim 12, wherein the feed assist unit further comprises a rotating conduit portion rotatably coupled to the dome portion via a bearing disposed in the opening in the dome portion, and wherein feeding the wire from the wire stack comprises directing the wire through the rotating conduit portion while the rotating conduit portion rotates with respect to the dome portion. 15. The method of claim 12, further comprising providing point contact between the plurality of ribs and top wires of the wire stack. 16. The method of claim 12, wherein each of the plurality of ribs has a first end disposed adjacent to the dome portion and a second end disposed adjacent to an associated side of the base portion. 17. The method of claim 16, wherein the feed assist unit has first and second central axes oriented perpendicular to each other, and wherein the plurality of ribs comprise first, second, third and fourth ribs, wherein the first and third ribs are oriented parallel to the second central axis and the second and fourth ribs are oriented parallel to the first central axis. 18. The method of claim 17, wherein the first and third ribs are offset from the second central axis by a first offset length and the second and fourth ribs are offset from the first central axis by a second offset length. 19. The method of claim 18, wherein first ends of the first, second, third and fourth ribs are positioned at about the 11 o-clock, 2 o-clock, 5 o-clock and 8 o-clock positions, respectively, with respect to the dome portion. 20. The method of claim 12, wherein the dome portion has a height as measured from the base portion, the height being sufficient such that a first end of the rotating conduit portion does not extend past the base portion.
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