US645708A - Circular-knitting machine. - Google Patents
Circular-knitting machine. Download PDFInfo
- Publication number
- US645708A US645708A US68530398A US1898685303A US645708A US 645708 A US645708 A US 645708A US 68530398 A US68530398 A US 68530398A US 1898685303 A US1898685303 A US 1898685303A US 645708 A US645708 A US 645708A
- Authority
- US
- United States
- Prior art keywords
- thread
- carrier
- cam
- circular
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
Definitions
- the improvement consists in the following: providing for the retention of the idle threads used in the formation of a tubular fabric in which a plurality of threads are used, some of which are at times idle.
- A is the cam-cylinder, which may be operated to rotate and reciprocate in the manner and by the mechanism described in United States Letters Patent issued to me- April 30, 1895, No. 538,518.
- O is the needle-cylinder
- G the needles in the grooves in the needle-cylinder 0 D D D D D are a plurality of threadcarriers, any one of which is adapted to be thrown into operative position and the others out of operative position by mechanism fully described and illustrated in United States Letters Patent No. 640,7 69, issued to me J anuary 9, 1900.
- the thread-carrier D is shown in operative position and carriers D, D D D and D out of operative position.
- the thread end and its thread are out of operatityposition.
- the thread end and its thread are within and above the needles, while the thread end and its thread of the carriers in operation are in line with the needles.
- F is a cam having a spiral face, having an inner portion curved upon itself, as at 2, to form a pocketcentral of the cylinder, having also a free end, and the out-er end 1 being in alinement with the thread end and thread of the carriers out of action, while the thread end and threadof the carrier in operation is beyond the outer end of said spiral.
- f is a projection from said cam F, which is secured-to the thread-carrier support D and thus the cam revolves with the carriers.
- a thread-carrier and means to move the thread-carrier in and out of operative po sition in combination, a cam having a spiral face lying within the needle-cylinder, both ends of said spiral face being free, the outer end beingin alinement with the thread-carrier when out of action, and means to rotate said cam with the thread-carrier.
- a thread-carrier and means to move the thread-carrier in and out of operative position a cam having a spiralface lying within the needle-cylinder, both ends of said spiral face being free, one end being in alinement with the thread of the carrier when out of action and the other end being substantially central of the needle-cylinder.
- a cam having a spiral face lying within the needle-cylinder, the outer end of said cam beingin alinement with the thread of the carrier when out of action, said cam having an inner portion curved upon itself to form a pocket central of the cylinder.
- a cam having a spiral face 1ying within the need1e-cy1inder,the outer end of said cam being in alinement with the thread of the carrier when out of action, said cam having an inner portion curved upon itself to form a pocket central of the cylinder, and means to rotate said cam with the threadcarrier.
- a cam having a spiral face lying with in the needle-cylinder, the outer end being free and in alinement with the thread of the carrier when out of action, and the other end being curved upon itself and terminating in a free end, inclosed by the body of the spiral, whereby a line projecting in any direction from a point on the inner end will intersect the body of the cam,-substantially as described.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Description
- Patented mar. 20, I900. H. A. HDUSEMAN. v CIRCULAR KNITTING uAcmm-z.
(Application filed July 7, 1998.
(No Model.)
INVENTO/i' 4);? J, Wm 5) MW w/ A TTOHNEYJ,
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NITED STATES PATENT OFFICE.
' HARRY A. HOUSEMAN, OFPHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO THE STANDARD MACHINE COMPANY, OF PENNSYLVANIA.
CIRCULAR-KNITTING MACHINE.
SPECIFICATION forming part of Letters Patent No. 645,708, dated March 20, 1900.
) Application filed July 7, 1898. Serial No. 6 85,303- (No model.)
To all whom it may concern:
Be it known that I, HARRY A. HOUSEMAN,
a citizen of the United States, residing at Philadelphia, county of Philadelphia, and
State of Pennsylvania, have invented a new and useful Improvement in Circular-Knitting Machines, of which the following is a full,
clear, and exact description, reference being rality of thread-carriers are used not all of' which are in action at the same time;
The improvement, speaking generally, consists in the following: providing for the retention of the idle threads used in the formation of a tubular fabric in which a plurality of threads are used, some of which are at times idle.
. I will first describe the embodimentof my invention as illustrated in the accompanying drawings and then point out myinvention in the claims.
Figure 1 is a plan view of the needle-cylinder, thread-carrier, and the thread catching and retaining device. Fig. 2 is a partial section on the line 2 2, Fig. 1.
A is the cam-cylinder, which may be operated to rotate and reciprocate in the manner and by the mechanism described in United States Letters Patent issued to me- April 30, 1895, No. 538,518.
O is the needle-cylinder, and G the needles in the grooves in the needle-cylinder 0 D D D D D D are a plurality of threadcarriers, any one of which is adapted to be thrown into operative position and the others out of operative position by mechanism fully described and illustrated in United States Letters Patent No. 640,7 69, issued to me J anuary 9, 1900. In the drawings the thread-carrier D is shown in operative position and carriers D, D D D and D out of operative position. As may be seen, in those/carriers out of operation the thread end and its thread are out of operatityposition. In those carriers out of operation the thread end and its thread are within and above the needles, while the thread end and its thread of the carriers in operation are in line with the needles.
F is a cam having a spiral face, having an inner portion curved upon itself, as at 2, to form a pocketcentral of the cylinder, having also a free end, and the out-er end 1 being in alinement with the thread end and thread of the carriers out of action, while the thread end and threadof the carrier in operation is beyond the outer end of said spiral.
f is a projection from said cam F, which is secured-to the thread-carrier support D and thus the cam revolves with the carriers.
In the operation of the machine any threads which are idle are caught by the end 1 of the cam and moved into the center pocket, the thread being stationary and held fixed on the last loop knitted. When the thread-carrier is again brought into action, the movement of the carrier pulls the thread into alinement with the needles, forming with the first loop formed upon the needles a loop over the portion 2. When this thread-carrier and cam make a revolution, this loop is dropped off the free end of portion 2. By the use of this cam F there is no danger of any loose thread being caught in the needles to the injury of the needles or the detriment of the fabric. The loss of thread is not great, as the only tension after the slack is taken up to pull is the make of the fabric. The loose threads being in the center of the machine or the fabric after taking from the machine may be readily removed without affecting the fabric.
Having now fully described my invention, what I claim, and desire to protect by Letters Patent, is- 1 1. In a circular-knitting machine, incombination, a thread-carrier and means to move the thread-carrier in and out of operative position, a cam having a spiral face lying with in the needle-cylinder, both ends of said spiral face being free, the outer end being in alinement with the thread-carrier when out of ac tion. a
2. In a circular-knitting machine, in combination, a thread-carrier and means to move the thread-carrier in and out of operative po sition, a cam having a spiral face lying within the needle-cylinder, both ends of said spiral face being free, the outer end beingin alinement with the thread-carrier when out of action, and means to rotate said cam with the thread-carrier.
3. In a circular-knitting machine, in combination, a thread-carrier and means to move the thread-carrier in and out of operative position, a cam having a spiralface lying within the needle-cylinder, both ends of said spiral face being free, one end being in alinement with the thread of the carrier when out of action and the other end being substantially central of the needle-cylinder.
4. In a circular-knitting machine, in combination, a thread-carrier and means to move the thread-carrier in and out of operative position, a cam having a spiral face lying with in the needle-cylinder, both ends of said spiral face being free, one end being in alinement with the thread of the carrier when out of action and the other end being substantially central of the needle-cylinder, and means to rotate said cam with the thread-carrier.
5. In a circular-knitting machine, in combination, the thread -carrier and means to move the thread-carrier in and out of operative position, a cam having a spiral face lying within the needle-cylinder, the outer end of said cam beingin alinement with the thread of the carrier when out of action, said cam having an inner portion curved upon itself to form a pocket central of the cylinder.
6. In a circular-knitting machine, in combination, the thread-carrier and means to move the thread-carrier in and out of operative position, a cam having a spiral face 1ying within the need1e-cy1inder,the outer end of said cam being in alinement with the thread of the carrier when out of action, said cam having an inner portion curved upon itself to form a pocket central of the cylinder, and means to rotate said cam with the threadcarrier.
7. In a circular-knitting machine, in com bination, a thread-carrier and means to move the thread-carrier in and out of operative position, a cam having a spiral face lying with in the needle-cylinder, the outer end being free and in alinement with the thread of the carrier when out of action, and the other end being curved upon itself and terminating in a free end, inclosed by the body of the spiral, whereby a line projecting in any direction from a point on the inner end will intersect the body of the cam,-substantially as described.
Signed by me at Philadelphia, Pennsylvania, this 8th day of June, A. D. 1898.
HARRY A. I-IOUSEMAN.
Witnesses:
G110. W. REED, FRANCES ELLIS)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US68530398A US645708A (en) | 1898-07-07 | 1898-07-07 | Circular-knitting machine. |
US717666A US640769A (en) | 1898-07-07 | 1899-05-20 | Circular-knitting machine. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US68530398A US645708A (en) | 1898-07-07 | 1898-07-07 | Circular-knitting machine. |
Publications (1)
Publication Number | Publication Date |
---|---|
US645708A true US645708A (en) | 1900-03-20 |
Family
ID=2714284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US68530398A Expired - Lifetime US645708A (en) | 1898-07-07 | 1898-07-07 | Circular-knitting machine. |
Country Status (1)
Country | Link |
---|---|
US (1) | US645708A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3163027A (en) * | 1960-01-05 | 1964-12-29 | Natioenal D Armes De Guerre Sa | Thread guiding device for hosiery and similar machines |
-
1898
- 1898-07-07 US US68530398A patent/US645708A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3163027A (en) * | 1960-01-05 | 1964-12-29 | Natioenal D Armes De Guerre Sa | Thread guiding device for hosiery and similar machines |
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