GB1114887A – Attachment for sewing machines
– Google Patents
GB1114887A – Attachment for sewing machines
– Google Patents
Attachment for sewing machines
Info
Publication number
GB1114887A
GB1114887A
GB31998/66A
GB3199866A
GB1114887A
GB 1114887 A
GB1114887 A
GB 1114887A
GB 31998/66 A
GB31998/66 A
GB 31998/66A
GB 3199866 A
GB3199866 A
GB 3199866A
GB 1114887 A
GB1114887 A
GB 1114887A
Authority
GB
United Kingdom
Prior art keywords
pad
blade
lowered
compressed air
nozzle
Prior art date
1966-07-15
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
GB31998/66A
Inventor
Cyril White
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.)
HARRIMONDE Ltd
Original Assignee
HARRIMONDE 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.)
1966-07-15
Filing date
1966-07-15
Publication date
1968-05-22
1966-07-15
Application filed by HARRIMONDE Ltd
filed
Critical
HARRIMONDE Ltd
1966-07-15
Priority to GB31998/66A
priority
Critical
patent/GB1114887A/en
1967-06-20
Priority to US647452A
priority
patent/US3472189A/en
1968-05-22
Publication of GB1114887A
publication
Critical
patent/GB1114887A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
D—TEXTILES; PAPER
D05—SEWING; EMBROIDERING; TUFTING
D05B—SEWING
D05B65/00—Devices for severing the needle or lower thread
D—TEXTILES; PAPER
D05—SEWING; EMBROIDERING; TUFTING
D05B—SEWING
D05B73/00—Casings
D05B73/04—Lower casings
D05B73/12—Slides; Needle plates
D—TEXTILES; PAPER
D05—SEWING; EMBROIDERING; TUFTING
D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
D05D2207/00—Use of special elements
D05D2207/02—Pneumatic or hydraulic devices
D05D2207/04—Suction or blowing devices
Abstract
1,114,887. Sewing machines. HARRIMONDE Ltd. 12 May, 1967 [15 July, 1966], No. 31998/66. Heading DIG. A sewing machine comprises a cutter blade and a holding pad arranged to be raised and lowerd at the output side of the sewing machine with the pad nearer to the stitching mechanism, and two detector devices arranged one between said mechanism and the pad, and the other on the other side of the blade, the arrangement being such that only in the absence of material at ‘both detectors is the blade lowered to cut any threads thereunder and the pad lowered to hold the ends of such threads. A cutting blade 1 and a resilient pad 2 are arranged for simultaneous vertical movement behind the presser foot 4. A nozzle 8, positioned between pad 2 and presser foot 4, directs air through an aperture 9 in the worksupporting plate 3 into a diaphragm valve 10. A nozzle 11, positioned beyond blade 1, directs compressed air through an aperture 12 into a diaphragm valve 13. The arrangement is such that when neither of the valves receives compressed air from its associated nozzle, compressed air from a supply 14 flows through the valves into a duct 15 to actuate a piston arrangement for lowering blade 1 and pad 2, whereby, when a completed workpiece 6 uncovers the apertures 9, 12, blade 1 and pad 2 descend to sever the thread chain 16 extending from the needle 5 to the workpiece, and to hold the free end of the chain. It is stated that, alternatively, the blade and pad may be raised and lowered electromagnetically, and that the detection system may be replaced by other mechanical or electrical or electronic systems.
GB31998/66A
1966-07-15
1966-07-15
Attachment for sewing machines
Expired
GB1114887A
(en)
Priority Applications (2)
Application Number
Priority Date
Filing Date
Title
GB31998/66A
GB1114887A
(en)
1966-07-15
1966-07-15
Attachment for sewing machines
US647452A
US3472189A
(en)
1966-07-15
1967-06-20
Attachment for sewing machine
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB31998/66A
GB1114887A
(en)
1966-07-15
1966-07-15
Attachment for sewing machines
Publications (1)
Publication Number
Publication Date
GB1114887A
true
GB1114887A
(en)
1968-05-22
Family
ID=10331497
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB31998/66A
Expired
GB1114887A
(en)
1966-07-15
1966-07-15
Attachment for sewing machines
Country Status (2)
Country
Link
US
(1)
US3472189A
(en)
GB
(1)
GB1114887A
(en)
Families Citing this family (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4421045A
(en)
*
1982-05-05
1983-12-20
Mario Portilla
Automated thread trimming apparatus for use for sewing machines
FR2588021A1
(en)
*
1985-09-30
1987-04-03
Absorba Poron
Method and device for cutting the lower thread for sewing machines
WO1988006196A1
(en)
*
1987-02-17
1988-08-25
James Seddon (U.K.) Limited
Sewing machine
Family Cites Families (9)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US1592115A
(en)
*
1925-04-18
1926-07-13
Frank O Lindgren
Thread-cutting attachment for sewing machines
US1846628A
(en)
*
1930-05-14
1932-02-23
Castagna Pasquale
Thread severing attachment for sewing machines
US2229991A
(en)
*
1939-01-17
1941-01-28
Union Special Machine Co
Sewing machine
US2376417A
(en)
*
1944-06-13
1945-05-22
Chudner Joseph
Thread cutter
US2418356A
(en)
*
1944-07-01
1947-04-01
Jackson O Kleber
Safety control device for electrically operated machines
US2423080A
(en)
*
1944-11-10
1947-07-01
Bemis Bro Bag Co
Bag closing machine
US2707927A
(en)
*
1954-05-25
1955-05-10
Trimless Inc
Thread cutting device for sewing machines
US2997009A
(en)
*
1958-03-12
1961-08-22
Lees & Sons Co James
Tufting machine clamp cutter
US3359931A
(en)
*
1965-05-28
1967-12-26
Gen Automated Machinery Corp
Workpiece controlled sewing machine
1966
1966-07-15
GB
GB31998/66A
patent/GB1114887A/en
not_active
Expired
1967
1967-06-20
US
US647452A
patent/US3472189A/en
not_active
Expired – Lifetime
Also Published As
Publication number
Publication date
US3472189A
(en)
1969-10-14
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None