GB190428910A - Improvements in Work Clamps for Sewing Machines - Google Patents

Improvements in Work Clamps for Sewing Machines

Info

Publication number
GB190428910A
GB190428910A GB190428910DA GB190428910A GB 190428910 A GB190428910 A GB 190428910A GB 190428910D A GB190428910D A GB 190428910DA GB 190428910 A GB190428910 A GB 190428910A
Authority
GB
United Kingdom
Prior art keywords
clamp
buttonhole
sewing machines
jaws
lugs
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
Application number
Inventor
Wallace Fairweather
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB190428910A publication Critical patent/GB190428910A/en
Expired legal-status Critical Current

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  • Sewing Machines And Sewing (AREA)

Abstract

28,910. Fairweather, W., [Singer Manufacturing Co.]. Dec. 30. Buttonhole-sewing machines.-Relates to improvements in the work-clamp of the buttonhole-sewing machine described in Specification No. 261, A.D. 1904, whereby the material round the buttonhole is stretched in closing the clamp. Hinged to lugs 7, laterally adjustable on the usual clamp-plate 3, are two serrated jaws 9. When the clamp is open, as shown in Fig. 3, they are held inclined, as shown by springs 13. In closing the clamp, the jaws first engage the material, and then, as the lugs 7 further descend, the jaws are forced apart, and the portion of the material between them uniformly stretched.
GB190428910D 1904-12-30 1904-12-30 Improvements in Work Clamps for Sewing Machines Expired GB190428910A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190428910T 1904-12-30

Publications (1)

Publication Number Publication Date
GB190428910A true GB190428910A (en) 1905-02-02

Family

ID=32192796

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190428910D Expired GB190428910A (en) 1904-12-30 1904-12-30 Improvements in Work Clamps for Sewing Machines

Country Status (1)

Country Link
GB (1) GB190428910A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162985A (en) * 1973-10-01 1979-07-31 The Lubrizol Corporation Multigrade lubricants containing interpolymers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162985A (en) * 1973-10-01 1979-07-31 The Lubrizol Corporation Multigrade lubricants containing interpolymers

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