US152894A - Improvement in mechanisms for operating the thread-guide in wax-thread sewing - Google Patents
Improvement in mechanisms for operating the thread-guide in wax-thread sewing Download PDFInfo
- Publication number
- US152894A US152894A US152894DA US152894A US 152894 A US152894 A US 152894A US 152894D A US152894D A US 152894DA US 152894 A US152894 A US 152894A
- Authority
- US
- United States
- Prior art keywords
- thread
- guide
- operating
- wax
- mechanisms
- 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
Links
- 238000009958 sewing Methods 0.000 title 2
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B73/00—Casings
- D05B73/04—Lower casings
- D05B73/12—Slides; Needle plates
Definitions
- the object of my invention is to operate the thread-guide in a wax thread sewing-machine; and it consists in a threadguide provided with a twisted cam-surface, combined with a spring-stud and roll, operating the same as hereinafter described.
- Figure 1 represents the cam and grooved roll when in the stitching or siding machine, A being the cam; B, the grooved roll; 0, the spring-stud, 011 which the roll revolves; D, the set-screw that presses against the spring-stud and carrying the roll against the cam.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Description
UNITED STATES PATENT QFFICE ALBERT e. BREWER, 0E EoPKINTON, MASSACHUSETTS.
IMPROVEMENT IN MECHANISMS FOR OPERATING THE THREAD-GUIDE IN WAX THREAD SEWING- MACHINES.
Specification forming part of Letters Patent No. l52,894, dated July 14, 1874; application filed December 12, 1873.
To all whom it may concern:
Be it known that I, ALBERT G. BREWER, of Hopkinton, State of Massachusetts, have invented Means for Operating the Thread- Guide for Leather-Stitching and Siding Machines, of which the following is a specification:
The object of my invention is to operate the thread-guide in a wax thread sewing-machine; and it consists in a threadguide provided with a twisted cam-surface, combined with a spring-stud and roll, operating the same as hereinafter described.
Figure 1 represents the cam and grooved roll when in the stitching or siding machine, A being the cam; B, the grooved roll; 0, the spring-stud, 011 which the roll revolves; D, the set-screw that presses against the spring-stud and carrying the roll against the cam.
The operation is this: \Vhen the arm E is made to move, the thread guide roll B moves up and down 011 the flat surface I of the cam A, and, as the roll B nears the top of the cam, its surface being twisted, turns the cam, carrying with it the thread-guide F, as desired. As the spring-stud becomes weakened by constant use, the roll B can be pressed against the cam more firmly by turning the set-screw D.
I claim as my invention- The thread-guide cam A, having the twisted surface I, combined with the spring stud G and roller B, when constructed and operated as and for the purpose described.
ALBERT G. BREWER.
Witnesses L. H. WAKEFIELD, CYRUS A. BREWER.
Publications (1)
Publication Number | Publication Date |
---|---|
US152894A true US152894A (en) | 1874-07-14 |
Family
ID=2222305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US152894D Expired - Lifetime US152894A (en) | Improvement in mechanisms for operating the thread-guide in wax-thread sewing |
Country Status (1)
Country | Link |
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US (1) | US152894A (en) |
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0
- US US152894D patent/US152894A/en not_active Expired - Lifetime
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