ES272908U - Un sujetador rotativo. - Google Patents

Un sujetador rotativo.

Info

Publication number
ES272908U
ES272908U ES1982272908U ES272908U ES272908U ES 272908 U ES272908 U ES 272908U ES 1982272908 U ES1982272908 U ES 1982272908U ES 272908 U ES272908 U ES 272908U ES 272908 U ES272908 U ES 272908U
Authority
ES
Spain
Prior art keywords
sheet metal
screws
engaging sheet
panel
ramp
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.)
Granted
Application number
ES1982272908U
Other languages
English (en)
Other versions
ES272908Y (es
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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
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 Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Publication of ES272908U publication Critical patent/ES272908U/es
Application granted granted Critical
Publication of ES272908Y publication Critical patent/ES272908Y/es
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
    • F16B25/00Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/001Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed
    • F16B25/0031Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed the screw being designed to be screwed into different materials, e.g. a layered structure or through metallic and wooden parts
    • 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
    • F16B25/00Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/001Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed
    • F16B25/0021Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed the material being metal, e.g. sheet-metal or aluminium
    • 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
    • F16B25/00Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0042Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
    • F16B25/0052Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw the ridge having indentations, notches or the like in order to improve the cutting behaviour
    • 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
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041Specially-shaped shafts
    • F16B35/048Specially-shaped necks
    • 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
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • 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
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/30Locking exclusively by special shape of the screw-thread

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Connection Of Plates (AREA)

Abstract

1. Un sujetador rotativo para usarse al unir un primer panel con un agujero libre a un segundo panel, comprendiendo dicho sujetador una espiga generalmente cilíndrica, una cabeza ensanchada que tiene superficies de apriete en un extremo de dicha espiga, teniendo dicha espiga cilíndrica al menos una rosca helicoidal, sobresaliendo dicha rosca una altura predeterminada que se extiende desde un diámetro del fondo de la rosca hasta un diámetro del vértice de la rosca, una rampa helicoidal que comienza sustancialmente en un punto de terminación de dicha rosca helicoidal y que forman una continuación de la misma, extendiéndose dicha rampa a lo largo de la espiga hasta dicha superficie inferior de la cabeza, por lo que dicha rampa helicoidal desviará hacia fuera parte del material de al menos uno de dichos paneles incrementando por ello en gran medida la torsión de extracción del tornillo con relación al panel. 2. El sujetador rotativo de la reivindicación 1, en el que la altura inicialde dicha rampa helicoidal es aproximadamente la del diámetro del fondo de la rosca aumentando dicha altura hasta una altura máxima que es al menos igual al diámetro del vértice de la rosca. 3. El sujetador rotativo de la reivindicación 2, en el que la altura máxima de la rampa helicoidal es igual en general al doble de la altura del vértice de la rosca. 4. El sujetador rotativo de la reivindicación 1 en el que la rampa helicoidal tiene varias indentaciones. 5. El sujetador rotativo de la reivindicación 4 en el que las indentaciones forman una pluralidad de dientes que se extienden en una dirección idéntica en general a la dirección rotacional del tornillo, incrementando además dichos dientes la torsión de extracción. 6. El sujetador rotativo de la reivindicación 4, en el que las identaciones forman una pluralidad de dientes que se extienden en una direccion opuesta en general a la dirección rotacional del tornillo, incrementando dichos dientes la resistencia a la extracción. 7. El sujetador rotativode la reivindicación 1 que comprende además, una segunda rampa helicoidal que comienza en un punto diametralmente opuesta en general al punto inicial de dicha primera rampa helicoidal. 8. El sujetador rotativo de la reivindicación 1 en el que la altura predeterminada del vértice de la rosca es insuficiente para contactar los bordes del agujero libre de dicho primer panel. 9. El sujetador rotativo de la reivindicación 1, en el que la rampa helicoidal tiene una altura suficiente para enganchar los bordes del agujero libre de dicho primer panel. 10. El sujetador rotativo de la reivindicación 1, en el que dicha superficie inferior incluye un rebaje debajo de dicha cabeza, desviando dicha rampa helicoidal el material de dicho segundo panel a través de dicho agujero libre hacia arriba a dicho rebaje. 11. El sujetador rotativo de la reivindicación 1, en el que dicha rampa helicoidal tiene una extensión arqueada inferior a 360ºC seguida de una continuación de radio sustancialmente constante. 12. Elsujetador rotativo de la reivindicación 11 en el que dicha rampa y dicha continuación tienen una extensión arqueada de 360º sustancialmente. 13. El sujetador rotativo de la reivindicación 12, en el que dicha rampa tiene una extensión arqueada de 270º sustancialmente y dicha continuación tiene una extensión arqueada de 90º sustancialmente. 14. El sujetador rotativo de la reivindicación 12, en el que dicha rampa tiene una extensión arqueada de 180º sustancialmente y dicha continuación tiene una extensión arqueada de 180º sustancialmente. 15. Un sujetador rotativo.
ES1982272908U 1981-06-22 1982-06-21 Un sujetador rotativo. Expired ES272908Y (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27622881A 1981-06-22 1981-06-22
US31626081A 1981-10-29 1981-10-29

Publications (2)

Publication Number Publication Date
ES272908U true ES272908U (es) 1984-08-16
ES272908Y ES272908Y (es) 1985-03-01

Family

ID=26957858

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1982272908U Expired ES272908Y (es) 1981-06-22 1982-06-21 Un sujetador rotativo.

Country Status (5)

Country Link
CA (1) CA1184053A (es)
ES (1) ES272908Y (es)
FR (1) FR2508122B1 (es)
GB (1) GB2100824B (es)
IT (1) IT1152247B (es)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE423107C (de) * 1923-09-29 1925-12-19 Carlo Peruzzini Muttersicherung
BE530258A (es) * 1953-07-09
GB1390614A (en) * 1971-04-14 1975-04-16 Ici Ltd Extrusion
US3812639A (en) * 1973-03-26 1974-05-28 Illinois Tool Works Locking and strip-resistant fastener

Also Published As

Publication number Publication date
ES272908Y (es) 1985-03-01
FR2508122A1 (fr) 1982-12-24
CA1184053A (en) 1985-03-19
GB2100824A (en) 1983-01-06
GB2100824B (en) 1985-05-15
IT1152247B (it) 1986-12-31
FR2508122B1 (fr) 1986-04-04
IT8221941A0 (it) 1982-06-18

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