Claims
- 1. A circular knitting machine comprising:
- (a) a plurality of needles:
- (b) a cylinder slotted to receive said plurality of needles:
- (c) means for actuating said plurality of needles:
- (d) yarn wrapper assembly means for introducing yarn into the hooks of selected needles, said wrapper assembly means including a first member adapted for radial movement relative to the cylinder, and a second, rotatable member pivotably mounted to said first member for rotatable movement relative thereto and having yarn feeding means at an outer extremity thereon; and
- (e) synchronized camming means, having dual, continuous and unbroken cam raceways integral in a common camplate member, for independently actuating said first and second members and for imparting cooperative movements thereto throughout substantially the full extents thereof, whereby superimposing the radial movement of the first member with the rotatable movement of the second member an individual yarn is introduced into the hooks of selected needles.
- 2. A circular knitting machine comprising:
- (a) a plurality of needles:
- (b) a cylinder with vertical slots to receive said plurality of needles moveable with respect to said slots;
- (c) means for actuating said plurality of needles;
- (d) a dial member mounted inwardly of said cylinder and including a plurality of radial slots;
- (e) yarn wrapper assembly means for introducing yarn into the hooks of needles selectively raised to a yarn receiving level, said wrapper assembly means including a first membre slidable in a a cooperating radial slot of said dial member for radial movement relative to the cylinder, and a second rotatable member pivotably mounted to said first member for rotatable movement relative thereto and having yarn feeding means at an outer extremity thereon; and
- (f) independent and dual closed track camming means integral in a common camplate member and in synchronized cooperation for actuating said first and second members and for imparting cooperative movements thereto throughout substantially the full extents thereof, whereby an individual yarn is introduced into the hooks of the selectively raised needles.
- 3. The machine of claim 2, wherein said dual camming means includes a first camming system for independently actuating said first slidable member between inner and outer radial positions and a second camming system for independently actuating said second rotatable member between different rotatable positions, the camming systems having continous unbroken cam surface formed in said common camplate member; wherein said first member comprises an elongated member having (i) a rectangular cross-section, (ii) smooth wall surfaces for slidable engagement with wall surfaces of said cooperating radial slot of said dial member, (iii) a downwardly-extending cam follower member for cooperating with said continuous unbroken cam surface of said first camming system thereby actuating said first slidable member between said inward and outward radial positions, and (iv) a slot formed at the forward end for receiving and pivotally mounting said second rotatable member for rotational movement; and wherein said second member comprises an elongated member having (i) a downwardly-extending cam follower member lying in substantially the same plane as the cam follower member of said first slidable member for cooperating with the continuous unbroken cam surface of said second camming system thereby imparting a rotational movement to said second member, and (ii) a downwardly-extending yarn tube member of said yarn feeding means.
- 4. The machine of claim 2, wherein said camming means are so positioned and synchronized with respect to each other to impart a non-circular, arcuate path to the yarn feeding means of said second rotatable member.
- 5. The machine of claim 2, further comprising first projection means associated with said first slidable member and second projection means on said second rotatable member, and wherein said independent dual camming means includes first unbroken cam raceway means cooperating with said first projection means associated with said first slidable member for independently actuating said first slidable member between inner and outer radial positions, and a second unbroken cam raceway means, synchronized with said first cam raceway system and cooperating with said second projection means on said second rotatable member for independently actuating said second rotatable member through different rotatable positions, whereby an individual yarn is introduced into the hooks of the selectively raised needles.
- 6. The machine of claim 5, wherein said first projection means associated with said first slidable member and said second projection means associated with said second rotatable means are in continously unbroken sliding engagement with their respective cooperating cam raceway means throughout the full extents of their synchronized movements, whereby an individual yarn is introduced into the hooks of the selectively raised needles.
- 7. The machine of claim 6, wherein said individual yarn, introduces into the hooks of the selectively raised needles, defines a complete non-circular arcuate path.
- 8. A circular knitting machine comprising:
- (a) a plurality of needles;
- (b) a cylinder with vertical slots to receive said plurality of needles moveable with respect to said slots;
- (c) means for actuating said pluarlity of needles;
- (d) a dial member mounted inwardly of said cylinder and including a plurality of radial slots;
- (e) yarn wrapper assembly means for introducing yarn into the hooks of needles selectively raised to a yarn receiving level, said wrapper assembly means including a first member slidable in a cooperating radial slot of said dial member for radial movement relative to the cylinder, and a second rotatable member pivotably mounted to said first member for rotatable movement relative thereto and having yarn feeding means at an outer extremity thereon; and
- (f) synchronized camming means, having independent inner and outer cam raceways operative in a camplate member mounted inwardly of the plurality of needles, for actuating said first and second members, said cam raceways being continous and unbroken throughout the full extents thereof so the cooperative movements are imparted to said first and second members, whereby an individual yarn is introduced by said yarn feeding means into the hooks of the selectively raised needles in a closed loop, unbroken non-circular arcuate path.
- 9. The machine of claim 8, wherein said camming means includes a first camming system incorporating the inner cam raceway for independently actuating said first slidable member between inner and outer radial positions and a second camming system incorporating the outer cam raceway for independently actuating said second rotatable member between different rotatable positions; wherein said first member comprises an elongated member having (i) a rectanagular cross-section, (ii) smooth wall survaces for slidable engagement with wall surfaces of said cooperating radial slot of said dial member, (iii) a downwardly-extending cam follower member for cooperating with said inner cam raceway of said first camming system thereby actuating said first slidable member between said inward and outward radial positions, and (iv) a slot formed at the forward end for receiving and pivotally mounting said second rotatable member for rotational movement; and wherein said second member comprises an elongated member having (i) a downwardly-extending cam follower member lying in substantially the same plane as the cam follower member of said first slidable member for cooperating with said outer raceway cam of said second camming system thereby imparting a rotational movement to said second member, and (ii) a downwardly-extending yarn tube member of said yarn feeding means.
- 10. The machine of claim 8, wherein the non-circular arcuate path defines the movement of said yarn feeding means commencing from a starting position inwardly of the needles, continuing in the arcuate path inwardly of the needles, cutting across the circle of needles, then moving through an arcuate path outwardly of the needles, introducing the yarn into the hooks of the selectively raised and then again cutting across the circle of needles back to the starting position, thereby introducing the wrap yarn into the hooks of selectively raised needles.
- 11. The machine of claim 8, wherein said yarn feeding means comprises a downwardly-extending yarn tube member for guiding yarn into the hooks of the selected needles.
- 12. The machine of claim 10, wherein said camming means are so positioned and synchronized with respect to each other to impart movement to the yarn feeding means of said second rotatable member, whereby the length of the non-circular, arcuate path is minimized.
- 13. A circular knitting machine comprising:
- (a) a plurality of needles:
- (b) a cylinder with vertical slots to receive said plurality of needles moveable with respect to said slots;
- (c) means for actuating said plurality of needles;
- (d) a dial member mounted inwardly of said cylinder and including a plurality of radial slots;
- (e) a yarn wrapper assembly means for introducing yarn into the hooks of needles slectively raised to a yarn receiving level, said wrapping assembly means including a first member slidable in a cooperating radial slot of said dial member between inner and outer radial positions for radial movements relative to the cylinder, and a second rotatable member pivotably mounted to said first member for movement between different rotatable relative thereto and having yarn feeding means in an outer extremity thereon; and
- (f) synchronized independent dual am raceway means jointly operative in a camplate member mounted inwardly of the plurality of needles for actuating said first and second members, said dual cam raceway means having continous unbroken camming surfaces throughout their operative extents to impart cooperative movements to said first and second members, a first of said cam raceway means actuating said first slidable member between said inner and outer radial positions and a second of said cam raceway means actuating said second rotatable member between said different rotatable positions, whereby an individual yarn is introduced by said yarn feeding means into the hooks of the selectively raised needles in a non-circular arcuate path commencing from a start position inwardly of the needles, continuing in the arcuate path inwardly of the needles, cutting across the needles, then moving through an arcuate path outwardly of the needles, and then again cutting across the needles back to the start position, thereby introducing the wrap yarn into the hooks of the selectively raised needles.
- 14. The machine of claim 13, wherein said dual cam raceway means are so positioned and synchronized with respect to each other to impart movement to the yarn feeding means of said second rotatable member, whereby the length of the non-circular, arcuate path is minimized.
- 15. The machine of claim 13, wherein said first member comprises an elongated member having (i) a rectangular cross-section, (ii) smooth wall surfaces for slidable engagement with wall surfaces of said cooperating radial slot of said dial member, (iii) a downwardly-extending cam follower member for cooperating with said continous unbroken camming surface of said first cam raceway means thereby actuating said first slidable membr between said inward and outward radial positions, and (iv) a slot formed at the forward end for receiving and pivotally mounting said second rotatable member for rotational movement; and wherein said second member comprises an elongated member having (i) a downwardly-extending cam follower member lying in substantially the same plane as the cam follower member of said first slidable member for cooperating with the continous unbroken cam surface of said second cam raceway means thereby imparting a rotational movement to said second member, and (ii) a downwardly-extending yarn tube member of said yarn feeding means.
- 16. The machine of claim 14, wherein said dial member having said plurality of radial slots is rotatable, said machine further comprises a stationary second dial member having an inner cam raceway comprising said first cam raceway means and an outer cam raceway comprising said second cam raceway means, and wherein said first slidable member has a downwardly extending cam follower member for cooperating with said inner cam raceway and the second rotatable member has a cam follower member cooperating with said outer cam raceway.
- 17. The machine of claim 16, wherein each of the cam raceways has a portion away from the outer edge of the stationary dial member such that when the cam follower members are in the corresponding portions of the cam raceway the yarn wrapper assembly means of these cam follower member members remains inoperative.
- 18. The machine of claim 15, wherein said elongated member of said second rotatable member is generally L-shaped having arms of unequal length, the downwardly extending cam follower member being substantially ar the end of the short arm of the L-shaped elongated member, the yarn tube member being located substantially at the end of the long arm of the L-shaped elongated member, the long arm having a sloping center portion and a hole in the apex of the L-shaped member, and wherein a pin is provided for insertion into said hole for rotatably attaching said elongated member to said first, slidable member.
- 19. The machine of claim 18, wherein said elongated member of said first slidable member has a lateral flange for additional support of said shorter arm of said second, rotatable member.
Priority Claims (1)
Number |
Date |
Country |
Kind |
538047 |
Nov 1984 |
ESX |
|
Parent Case Info
This is a continuation of co-pending application Ser. No. 802,334 filed on Nov. 26, 1985, now abandoned.
US Referenced Citations (6)
Foreign Referenced Citations (1)
Number |
Date |
Country |
568130 |
Mar 1945 |
GBX |
Non-Patent Literature Citations (1)
Entry |
Title: Warp Insertion on Circular Knitting Machines--New Designing Tool, Knitting Technique, vol. 7 (1985), No. 3. |
Continuations (1)
|
Number |
Date |
Country |
Parent |
802334 |
Nov 1985 |
|