TW352397B - Sewing machine with coaxial timing shaft aligned with upper driving linkage - Google Patents

Sewing machine with coaxial timing shaft aligned with upper driving linkage

Info

Publication number
TW352397B
TW352397B TW086118935A TW86118935A TW352397B TW 352397 B TW352397 B TW 352397B TW 086118935 A TW086118935 A TW 086118935A TW 86118935 A TW86118935 A TW 86118935A TW 352397 B TW352397 B TW 352397B
Authority
TW
Taiwan
Prior art keywords
needle drive
driving linkage
needle
sewing machine
upper driving
Prior art date
Application number
TW086118935A
Other languages
Chinese (zh)
Inventor
Shun-Chang Tseng
Original Assignee
Chang Yu Entpr Co Ltd
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 Chang Yu Entpr Co Ltd filed Critical Chang Yu Entpr Co Ltd
Priority to TW086118935A priority Critical patent/TW352397B/en
Application granted granted Critical
Publication of TW352397B publication Critical patent/TW352397B/en

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  • Sewing Machines And Sewing (AREA)

Abstract

An improved coaxial timing needle bar aligned with the upper driving linkage in the sewing machine consists of a cantilever arm, the rotation of the drive wheel is pivoted on cam which transfers power to the connecting rod of needle drive shaft and needle drive bar so as to confine the needle drive shaft^s rotation in a restricted angle, the other end of the needle drive shaft makes an up-and-down movement of the needle drive bar; the upper thread hook of the driving linkage synchronizes the action the needle drive bar which is characterized such that the power input of the upper driving linkage is attached to the needle drive bar so the upper thread hook and the needle drive bar are simultaneously driven by the connecting rod to gain a synchronized timing.
TW086118935A 1997-12-16 1997-12-16 Sewing machine with coaxial timing shaft aligned with upper driving linkage TW352397B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW086118935A TW352397B (en) 1997-12-16 1997-12-16 Sewing machine with coaxial timing shaft aligned with upper driving linkage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW086118935A TW352397B (en) 1997-12-16 1997-12-16 Sewing machine with coaxial timing shaft aligned with upper driving linkage

Publications (1)

Publication Number Publication Date
TW352397B true TW352397B (en) 1999-02-11

Family

ID=57940049

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086118935A TW352397B (en) 1997-12-16 1997-12-16 Sewing machine with coaxial timing shaft aligned with upper driving linkage

Country Status (1)

Country Link
TW (1) TW352397B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8651037B1 (en) 2012-10-12 2014-02-18 Hsien-Chang Tseng Drive structure for driving an upper thread wiper of a sewing machine
DE102012111122B4 (en) * 2012-11-19 2014-06-12 Hsien-Chang Tseng Sewing machine with a drive for a claw hook
TWI477672B (en) * 2012-07-17 2015-03-21 Hsien Chang Tseng Driving structure for an upper circular sewing hook of a sewing machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI477672B (en) * 2012-07-17 2015-03-21 Hsien Chang Tseng Driving structure for an upper circular sewing hook of a sewing machine
US8651037B1 (en) 2012-10-12 2014-02-18 Hsien-Chang Tseng Drive structure for driving an upper thread wiper of a sewing machine
DE102012111122B4 (en) * 2012-11-19 2014-06-12 Hsien-Chang Tseng Sewing machine with a drive for a claw hook

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