US303325A - Edwin a - Google Patents
Edwin a Download PDFInfo
- Publication number
- US303325A US303325A US303325DA US303325A US 303325 A US303325 A US 303325A US 303325D A US303325D A US 303325DA US 303325 A US303325 A US 303325A
- Authority
- US
- United States
- Prior art keywords
- thread
- edwin
- tension
- weight
- running
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/14—Pulleys, rollers, or rotary bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Definitions
- This invention relates to an improved device adapted for application to shuttles, sewing, and other machines, to place a regular and constant tension on a running thread.
- Figure I illustrates one of the many uses to which my invention may be applied.
- Fig. II is a partly sectional view of the invention.
- Fig. III is an exterior view of the invention as seen from a different point.
- Fig. I of the drawings the device is shown as applied to a thread running from a spool or bobbin; but it may be used in connection with a shuttle or any machine where a running thread is to be held at a constant tension.
- ⁇ Vhat I do claim is i
- a tension device a spherical weight inclosed in a spherical shell open at the top, and having overlapping sides to limit the upward movement of the weight therein, grooves to guide the thread, and a central perforation, combined with a holding-screw seated in the said perforation, substantially as specified.
Description
(No Model.)
B. A. SOHOLPIELD.
' v THREAD TENSION DEVICE. No. 303,325; Patented Aug. 12, 1884.
UNITE STATES PATENT OFFICE.
EDWIN A. SCHOLFIELD, OF WESTERLY, RHODE ISLAND.
THREAD-TENSION DEVICE.
SPECIFICATION forming part of Letters Patent No. 303,325, dated August 12, 1884.
Application filed November 19, 1883.
To all whom it may concern.-
Be it known that I, EDWIN A. SCHOLFIELD, of Westerly, of the county of \Vashington and State of Rhode Island, have invented certain Improvements in Tension Devices, of which the following is a specification.
This invention relates to an improved device adapted for application to shuttles, sewing, and other machines, to place a regular and constant tension on a running thread.
In the accompanying drawings, forming a part hereof, Figure I illustrates one of the many uses to which my invention may be applied. Fig. II is a partly sectional view of the invention. Fig. III is an exterior view of the invention as seen from a different point.
with grooves 12, to guide the thread to and from the device and retain the thread directly nnd er (No model.)
the center of the ball, and it is perforated at its under side for the holding-screw c.
In Fig. I of the drawings the device is shown as applied to a thread running from a spool or bobbin; but it may be used in connection with a shuttle or any machine where a running thread is to be held at a constant tension. I
I am aware that loose spherical weights have been used in various devices to give tension to cords and threads, and I do not there fore claim, broadly, a Weight inclosed in a holder; but
\Vhat I do claim is i In a tension device, a spherical weight inclosed in a spherical shell open at the top, and having overlapping sides to limit the upward movement of the weight therein, grooves to guide the thread, and a central perforation, combined with a holding-screw seated in the said perforation, substantially as specified.
EDWIN A. SOHOLFIELD.
Witnesses:
J. HOWARD MORGAN, EUGENE B. PENDLETON.
Publications (1)
Publication Number | Publication Date |
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US303325A true US303325A (en) | 1884-08-12 |
Family
ID=2372496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US303325D Expired - Lifetime US303325A (en) | Edwin a |
Country Status (1)
Country | Link |
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US (1) | US303325A (en) |
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0
- US US303325D patent/US303325A/en not_active Expired - Lifetime
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