GB691894A - Improvements in overedge sewing machines - Google Patents

Improvements in overedge sewing machines

Info

Publication number
GB691894A
GB691894A GB17446/51A GB1744651A GB691894A GB 691894 A GB691894 A GB 691894A GB 17446/51 A GB17446/51 A GB 17446/51A GB 1744651 A GB1744651 A GB 1744651A GB 691894 A GB691894 A GB 691894A
Authority
GB
United Kingdom
Prior art keywords
looper
shaft
fixed
feed
thread
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
GB17446/51A
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.)
Union Special Machine Co
Original Assignee
Union Special Machine Co
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 Union Special Machine Co filed Critical Union Special Machine Co
Publication of GB691894A publication Critical patent/GB691894A/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B1/00General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
    • D05B1/08General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both for making multi-thread seams
    • D05B1/18Seams for protecting or securing edges
    • D05B1/20Overedge seams
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B29/00Pressers; Presser feet
    • D05B29/06Presser feet
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B73/00Casings
    • D05B73/04Lower casings
    • D05B73/12Slides; Needle plates
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B85/00Needles
    • D05B85/06Curved needles

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

691,894. Sewing-machines. UNION SPECIAL MACHINE CO. July 24, 1951 [Nov. 17, 1950], No. 17446/51. Class 112. [Also in Group XXV] Overedge stitching; trimming. -In an overedge sewing-machine with a needle moving substantially in a plane which is substantially parallel with the line of feed and preferably vertical, a carrier for an overedge looper (threaded or threadless) is reciprocable along and oscillatable about an axis substantially perpendicular to that plane and a carrier for an under-looper is reciprocable along a line at an acute angle to the plane. In the machine shown, the needle 35 is curved and is carried by an arm 36 on a rock-shaft which is oscillated by a pitman 40 from an eccentric on the shaft 22, the under looper 42 is carried by a rod 43 reciprocated in an inclined guide 44 by a pitman 57, crank 52, and link 49, and the overedge looper 60 is fixed to the end of a rod 63 which is reciprocated in a horizontal guide 67 by a. pitman 91 and crank 87, 81, and is oscillated on its axis during its reciprocation by engagement of a projection on it with a helical slot 71 in the guide 67. Both loopers may be threaded, or the upper one may be replaced by a forked unthreaded looper. An arm 102, fixed on a shaft oscillated by an eccentric 113 connected to a depending arm on the shaft, carries a trimming blade 99 co-operating with a legerblade fixed on a pedestal 98 in the usual way. The three threads pass through tension devices 160 carried on a bracket fixed to the rear part of the machine. The needle thread then passes through guides 166, 168 to the needle 35, the guide 168 being so placed that the thread is substantially vertical when the needle enters the work; between the guides the thread passes through a take-up eye in a member 167 fixed to the trimmer lever 102. The thread for the overedge looper 60 passes through guides 171, 172 and a take-up eye in a lug 173 on the trimmer lever 102. The under looper thread passes through guides 178, 179 to the looper 42, the guide 179 comprising two eyes in parallel members between which the thread may be engaged by a take-up cam 180 (not shown in Fig. 5) fixed to the end of the shaft 22; in a modification, the take-up cam has a deep peripheral groove which is entered by a fixed finger to prevent lifting of the thread by the cam. A stitch finger may be provided on the throat-plate or the presser-foot. The same looper arrangement and mechanism may be used with a straight needle. Feed.-Two feed dogs 115, 116 are provided, and are given differential movements by eccentrics 124, 125 which are fixed on the end portion of the shaft 22 and may be replaced by others of different eccentricity to vary the feed. The feed-bars are' slidably supported at the rear of the machine on a pivoted block and. near the front on a feed-lift eccentric portion 122 of the shaft 22. The dog 116 has an opening to permit passage of the looper 42. Frames lubricating; work supports; cooling. -The frame forms an enclosed chamber containing most of the mechanism and providing an oil reservoir, the bottom of it being closed by a removable plate 12; oil is splashed on the mechanism by a dipper 94 extending downwards from the pitman actuating the overedge looper. A cover 13 in the top gives access to the mechanism. A lug 155 on the side carries the presserbar spring mechanism. An extension 19 at the side at the bottom has a rear wall carrying the rear mounting of the feed-bars and having pivoted to it a bracket carrying the work-plate 20, which can thus be swung clear for operating on tubular work, and a cover 130 partially enclosing the feed mechanism and apertured for the passage of the hub of the under-looper thread control cam. A pedestal 98 fixed on the front of the extension 19 carries the trimming leger blade. The throat plate 157 is cut away to clear the moving trimmer blade and the overedge looper 60. A chamber 15 at the right-hand end of the frame encloses a fan 33 on the shaft 22, air being drawn by the fan through slots a in the front and rear walls of the chamber and blown against vertical cooling ribs 34 on the wall of the mechanism chamber. Presser -bars.-The presser - foot is pivotally carried by a lever 137 which is mounted on a shaft parallel to the shaft 22 at the rear of the frame and is hinged at 139 so that it can be swung clear of the work. It is pressed downwards by a spring 152 adjustably carried in a casing 154 which is fitted into the frame lug 155 so that it can be held in operative position or withdrawn sufficiently to free the lever 137. An arm 146 on the presser-lever shaft, actuated by hand, foot, or knee, has means engaging the presser-lever to lift it when required. Specification 672,098 is referred to.
GB17446/51A 1950-11-17 1951-07-24 Improvements in overedge sewing machines Expired GB691894A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US196104A US2704042A (en) 1950-11-17 1950-11-17 Overedge sewing machine

Publications (1)

Publication Number Publication Date
GB691894A true GB691894A (en) 1953-05-20

Family

ID=22724112

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17446/51A Expired GB691894A (en) 1950-11-17 1951-07-24 Improvements in overedge sewing machines

Country Status (6)

Country Link
US (1) US2704042A (en)
BE (1) BE503356A (en)
CH (1) CH295014A (en)
DE (1) DE877536C (en)
GB (1) GB691894A (en)
NL (1) NL86945C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3427593A1 (en) * 1983-07-29 1985-02-07 Rockwell-Rimoldi S.p.A., Olcella, Mailand/Milano DEVICE FOR ADJUSTING THE LOCATION OF A UPPER HOOK HOOK ON A MACHINE FOR USEFUL SEWING

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969885C (en) * 1954-06-02 1958-07-24 Union Special Machine Co Edge seam with solidified fabric edges as well as the process and machine for their production
DE1017893B (en) * 1955-03-12 1957-10-17 Union Special Maschinenfab Curved needle overlock sewing machine
BE548243A (en) * 1955-05-31
US2844113A (en) * 1955-07-05 1958-07-22 Union Special Machine Co Continuous feed needle feed sewing machine
US2894471A (en) * 1957-08-16 1959-07-14 Union Special Machine Co Sewing machine adjustable eccentric mechanism
US2973732A (en) * 1957-10-02 1961-03-07 Union Special Machine Co Sewing machines
DE1096729B (en) * 1957-10-02 1961-01-05 Union Special Machine Co Chain stitch and overlock sewing machine
DE1142098B (en) * 1957-11-29 1963-01-03 Willcox & Gibbs Sewing Machine Drive for the grippers on multi-needle chain stitch sewing machines that are used to produce the connecting seams (chain stitch seams)
US3015290A (en) * 1958-05-28 1962-01-02 Union Special Machine Co Stitch length control for sewing machines
DE1178287B (en) * 1958-10-21 1964-09-17 Rothenborg Specialmaskiner For Device on overlock sewing machines for automatic separation of the empty labels
US3101686A (en) * 1959-01-19 1963-08-27 Union Special Machine Co Machine for producing safety stitch
US3246620A (en) * 1960-07-18 1966-04-19 Man Sew Corp Compound stitching devices
US3638594A (en) * 1970-03-10 1972-02-01 Merrow Machine Co Sewing machine cooling system
US3941068A (en) * 1974-12-12 1976-03-02 The Merrow Machine Company Thread control for overedge sewing machine
US4362113A (en) * 1978-05-09 1982-12-07 Union Special Corporation Mechanism generating helical/elliptical motion
US4516512A (en) * 1978-05-09 1985-05-14 Union Special Corporation Modularized Cardan sewing machine
US4374502A (en) * 1978-05-09 1983-02-22 Union Special Corporation Mechanism generating helical motion
DE3414219C1 (en) * 1984-04-14 1986-02-06 Union Special Gmbh, 7000 Stuttgart Sewing machine with top feed device
DE3606285A1 (en) * 1986-02-27 1987-09-03 Union Special Gmbh GRIPPER DRIVE FOR CHAIN STITCH SEWING MACHINES
US9580147B2 (en) 2011-09-16 2017-02-28 Malibu Boats, Llc Surf wake system for a watercraft
US8578873B2 (en) 2011-09-16 2013-11-12 Malibu Boats, Llc Surf wake system for a watercraft
US9669903B2 (en) 2014-02-04 2017-06-06 Malibu Boats, Llc Methods and apparatus for facilitating watercraft planing
US9891620B2 (en) 2015-07-15 2018-02-13 Malibu Boats, Llc Control systems for water-sports watercraft

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US660777A (en) * 1900-01-22 1900-10-30 Hermann A Klemm Overseaming sewing-machine.
US659482A (en) * 1900-03-22 1900-10-09 Hermann A Klemm Overseaming sewing-machine.
US932272A (en) * 1907-04-13 1909-08-24 Singer Mfg Co Overseaming sewing-machine.
US1470687A (en) * 1922-04-08 1923-10-16 Benton F Stitt Valve grinder
US2238796A (en) * 1939-06-10 1941-04-15 Singer Mfg Co Overedge sewing machine
US2218796A (en) * 1939-07-15 1940-10-22 Singer Mfg Co Thread-controlling mechanism for overedge sewing machines
US2297061A (en) * 1939-07-15 1942-09-29 Singer Mfg Co Thread-controlling mechanism for overedge sewing machines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3427593A1 (en) * 1983-07-29 1985-02-07 Rockwell-Rimoldi S.p.A., Olcella, Mailand/Milano DEVICE FOR ADJUSTING THE LOCATION OF A UPPER HOOK HOOK ON A MACHINE FOR USEFUL SEWING
GB2144157A (en) * 1983-07-29 1985-02-27 Rockwell Rimoldi Spa Mechanism for adjusting the position of the upper looper in whipstitching machines

Also Published As

Publication number Publication date
CH295014A (en) 1953-12-15
US2704042A (en) 1955-03-15
DE877536C (en) 1953-06-18
NL86945C (en)
BE503356A (en)

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