GB258883A - Improvements in or relating to starting and stopping mechanism for sewing machines orfor fastener-inserting machines for use in the manufacture of boots or shoes - Google Patents

Improvements in or relating to starting and stopping mechanism for sewing machines orfor fastener-inserting machines for use in the manufacture of boots or shoes

Info

Publication number
GB258883A
GB258883A GB23470/26A GB2347026A GB258883A GB 258883 A GB258883 A GB 258883A GB 23470/26 A GB23470/26 A GB 23470/26A GB 2347026 A GB2347026 A GB 2347026A GB 258883 A GB258883 A GB 258883A
Authority
GB
United Kingdom
Prior art keywords
switch
motor
treadle
action
reverse
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
GB23470/26A
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.)
United Shoe Machinery Corp
Original Assignee
United Shoe Machinery Corp
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 United Shoe Machinery Corp filed Critical United Shoe Machinery Corp
Publication of GB258883A publication Critical patent/GB258883A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D11/00—Clutches in which the members have interengaging parts
    • F16D11/02—Clutches in which the members have interengaging parts disengaged by a contact of a part mounted on the clutch with a stationarily-mounted member
    • F16D11/06—Clutches in which the members have interengaging parts disengaged by a contact of a part mounted on the clutch with a stationarily-mounted member with clutching members movable otherwise than only axially, e.g. rotatable keys
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/14—Devices for changing speed or for reversing direction of rotation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

258,883. United Shoe Machinery Corporation, (Assignees of Topham, L. E.). Sept.24, 1925, [Convention date]. Switches, quick-action. - Relates to snapaction switches 34, 35 for starting and stopping an electric motor 23 described in application to a shoe-sewing machine. The switch 34 changes the motor connections from forward to reverse and has a spring snap-action through three positions in cyclical order, viz.:-Off, forward, reverse, and again to off after half a revolution. Depression of the treadle 69 actuates the switch from off to forward position; release of the treadle allows one of a pair of pawls to come into the path of a ratchet wheel driven by the motor which thereupon actuates the switch from forward to reverse position at an instant definitely timed with reference to the machine's motion; stoppage of the motor shaft and commencement of reverse movement acts through a friction coupling to bring the switch again to off position. The snap-action of the switch 34 is due to a spiral transmission spring which is compressed by the motor shaft and released in steps by a set of rocking detents. For the first step the release is effected by a cam actuated by the treadle mechanism; for the two subsequent movements the release is effected by the motor shaft mechanism. The switch 35 acts to change the motor connections from low speed to high speed by a snap-action from the treadle when this is depressed in starting the motor, and conversely to change connection back to low speed when the treadle is released, the mechanism being arranged so that this change takes place before the reversal of the switch 34. An additional switch may be provided for actuation by the operator's knee in order to vary the motor speed during running. Means may be added whereby a desired operation of the machine, such as raising the presser foot, may occur as the motor stops.
GB23470/26A 1925-09-24 1926-09-23 Improvements in or relating to starting and stopping mechanism for sewing machines orfor fastener-inserting machines for use in the manufacture of boots or shoes Expired GB258883A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US258883XA 1925-09-24 1925-09-24
US484899XA 1925-09-24 1925-09-24

Publications (1)

Publication Number Publication Date
GB258883A true GB258883A (en) 1928-02-23

Family

ID=26700380

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23470/26A Expired GB258883A (en) 1925-09-24 1926-09-23 Improvements in or relating to starting and stopping mechanism for sewing machines orfor fastener-inserting machines for use in the manufacture of boots or shoes

Country Status (2)

Country Link
DE (1) DE484899C (en)
GB (1) GB258883A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1059802B (en) * 1957-06-01 1959-06-18 Moenus Maschf Electrically controlled shoe machine
US3170424A (en) * 1952-07-22 1965-02-23 Singer Co Positional control systems

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE918545C (en) * 1940-11-04 1954-09-30 United Shoe Machinery Corp Self-working shoe machine
DE910978C (en) * 1952-08-30 1954-05-10 Max Schwab Control device for an auxiliary drive motor for sewing machines
DE943694C (en) * 1953-05-28 1956-05-24 United Shoe Machinery Corp Self-working shoe machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170424A (en) * 1952-07-22 1965-02-23 Singer Co Positional control systems
DE1059802B (en) * 1957-06-01 1959-06-18 Moenus Maschf Electrically controlled shoe machine

Also Published As

Publication number Publication date
DE484899C (en) 1929-11-08

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