GB1314061A - Inserts - Google Patents

Inserts

Info

Publication number
GB1314061A
GB1314061A GB1314061DA GB1314061A GB 1314061 A GB1314061 A GB 1314061A GB 1314061D A GB1314061D A GB 1314061DA GB 1314061 A GB1314061 A GB 1314061A
Authority
GB
United Kingdom
Prior art keywords
ring
neck
shoulder
threaded
bands
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
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.)
Precision Screw and Manufacturing Co Ltd
Original Assignee
Precision Screw and Manufacturing 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 Precision Screw and Manufacturing Co Ltd filed Critical Precision Screw and Manufacturing Co Ltd
Publication of GB1314061A publication Critical patent/GB1314061A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00Nuts or like thread-engaging members
    • F16B37/002Nuts or like thread-engaging members cutting threads during screwing; removing paint or dirt layers covering threaded shanks

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)
  • Clamps And Clips (AREA)

Abstract

1314061 Making threaded inserts PRECISION SCREW & MFG CO Ltd 3 Dec 1970 [24 Jan 1970 24 Feb 1970] 3543/70 and 8932/70 Heading B3A [Also in Division F2] A threaded insert providing a screw-threaded anchorage in a workpiece comprises a body including pilot portion 11 and a section formed with at least one band 12 having helical teeth 13 on its external surface and a ring 15, larger in external diameter than the body and also provided with external helical teeth but in the opposite sense the ring being axially captive but freely rotatable with respect to the body. The bands are spaced by neck 11b and groove 14 into which material cut out by teeth 13 is displaced. Ring 15 and the upper band 12 are joined by a tapering neck (16) and an annular shoulder (26), and the bore 22 of the ring has a slightly larger diameter than the neck. In preparation for use a blow is imparted to the end face of ring 15 causing shear of the shoulder, and consequently shoulder (26) impacts against upper band 12 and is deformed radially inwardly as in Fig. 4 making the ring axially captive on the body but freely rotatable thereon. Thus when bands 12 and ring 15 are driven into a workpiece they rotate in opposite senses and any subsequent applied axial load will tend to lock the body and the ring together which thus resist withdrawal.
GB1314061D 1970-01-24 1970-01-24 Inserts Expired GB1314061A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB354370 1970-01-24

Publications (1)

Publication Number Publication Date
GB1314061A true GB1314061A (en) 1973-04-18

Family

ID=9760317

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1314061D Expired GB1314061A (en) 1970-01-24 1970-01-24 Inserts

Country Status (1)

Country Link
GB (1) GB1314061A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0310278A1 (en) * 1987-09-22 1989-04-05 Tappex Thread Inserts Limited Inserts
USRE34928E (en) * 1988-08-03 1995-05-02 P.S.M. International Plc Screw threaded fasteners
CN102852950A (en) * 2012-09-29 2013-01-02 苏州鑫捷顺五金机电有限公司 Injection molding nut
CN109139661A (en) * 2018-10-23 2019-01-04 浙江荣亿精密机械股份有限公司 A kind of ultrathin type notebook precision fixedly connected part and its processing method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0310278A1 (en) * 1987-09-22 1989-04-05 Tappex Thread Inserts Limited Inserts
GB2210125A (en) * 1987-09-22 1989-06-01 Tappex Thread Insert Limited Insert
GB2210125B (en) * 1987-09-22 1991-07-31 Tappex Thread Inserts Ltd Inserts
USRE34928E (en) * 1988-08-03 1995-05-02 P.S.M. International Plc Screw threaded fasteners
CN102852950A (en) * 2012-09-29 2013-01-02 苏州鑫捷顺五金机电有限公司 Injection molding nut
CN109139661A (en) * 2018-10-23 2019-01-04 浙江荣亿精密机械股份有限公司 A kind of ultrathin type notebook precision fixedly connected part and its processing method

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees