EP0163981A2 - Lösbare Verbindung für ein Rohr mit dem Boden eines Halters, insbesondere eines Lampenschraubhalters - Google Patents

Lösbare Verbindung für ein Rohr mit dem Boden eines Halters, insbesondere eines Lampenschraubhalters Download PDF

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Publication number
EP0163981A2
EP0163981A2 EP85105779A EP85105779A EP0163981A2 EP 0163981 A2 EP0163981 A2 EP 0163981A2 EP 85105779 A EP85105779 A EP 85105779A EP 85105779 A EP85105779 A EP 85105779A EP 0163981 A2 EP0163981 A2 EP 0163981A2
Authority
EP
European Patent Office
Prior art keywords
holder
pipe
hole
holder bottom
asymmetrical
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.)
Withdrawn
Application number
EP85105779A
Other languages
English (en)
French (fr)
Other versions
EP0163981A3 (de
Inventor
Emil Karut
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.)
Poludniowe Zaklady Przemyslu Elektrotechnicznego "Polam-Kontakt"
Original Assignee
Poludniowe Zaklady Przemyslu Elektrotechnicznego "Polam-Kontakt"
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 Poludniowe Zaklady Przemyslu Elektrotechnicznego "Polam-Kontakt" filed Critical Poludniowe Zaklady Przemyslu Elektrotechnicznego "Polam-Kontakt"
Publication of EP0163981A2 publication Critical patent/EP0163981A2/de
Publication of EP0163981A3 publication Critical patent/EP0163981A3/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/006—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards

Definitions

  • the invention relates to the detachable connection of a pipe to the bottom of an insulating holder, particularly a screwed holder used for securing electric lamps.
  • a successive disadvantage of such a connection is a permanent set of the pipe thread due to the sharp tip engaging it and thus making it difficult and, sometimes, preventing the pipe from being screwed out of the holder bottom hole.
  • the aim of the present invention is to simplify the design to facilitate the operation and to increase the number of the cavities of the pressing moulds during the manufacture of the holder bottoms and to eliminate the effect of the physical properties of the connecting parts on connection reliability.
  • This aim has been achieved by providing a design of the detachable connection of the pipe to the holder bottom, that design involving mounting in the cylindrical holder bottom hole a pipe end with a transversely and outwardly bent circumferential fragment of the pipe wall end in the form of a ring sector mounted in the space of an offset asymmetrical holder bottom hole being rectangular in its cross-section, preferably between a square nut and the bottom edge of that hole.
  • the invention is specifically characterized in that the set screw unit is mounted in parallel to the pipe axis in an offset, asymmetrical, rectangular-sectioned holder bottom hole and that a transversely and outwardly bent circumferential wall end fragment of pipe in the form of a ring sector is mounted inside the offset, asymmetrical, rectangular-sectioned hole of holder bottom, preferably between a square nut of the set screw unit and a bottom edge of the offset, asymmetrical, rectangular-sectioned hole of holder bottom.
  • this present connection is characterised by a simple design which is functional to operate and cheap to manufacture.
  • Fig. 1 shows the vertical view of a section of a fragment of the holder bottom, inclusive of the pipe and the set screw unit, and
  • Fig. 2 the top view of the holder bottom as per Fig. 1.
  • the size of the transversely and outwardly bent circumferential fragment of pipe 1 wall end in the form of ring sector 5 has been selected in relation to the width of the offset asymmetrical hole being rectangular in its cross section, located in holder bottom 2 and mounting that sector 5 that it prevents in its turn pipe 1 from being angularly shifted in holder bottom 2.
  • the length difference of the bases of the offset asymmetrical hole being rectangular in its cross section, located in holder bottom 2 and mounting square nut 4 that together with set screw 3 forms a set screw unit and the taper of the hole wall opposite to pipe 1, as resulting from that difference, is somewhat larger than the width of the transversely and outwardly bent circumferential fragment of the wall end of pipe 1 in the form of ring sector 5, which allows the end of pipe 1 to be freely introduced into the cylindrical hole of that bottom at the upper position of square nut 4 of the offset, asymmetrical rectangular-sectioned hole of holder bottom 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Road Signs Or Road Markings (AREA)
EP85105779A 1984-05-10 1985-05-10 Lösbare Verbindung für ein Rohr mit dem Boden eines Halters, insbesondere eines Lampenschraubhalters Withdrawn EP0163981A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PL247621 1984-05-10
PL24762184A PL143200B1 (en) 1984-05-10 1984-05-10 Temporary fastening for attaching a tube to the bottom of a screwed lamp-holder

Publications (2)

Publication Number Publication Date
EP0163981A2 true EP0163981A2 (de) 1985-12-11
EP0163981A3 EP0163981A3 (de) 1988-11-17

Family

ID=20021736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85105779A Withdrawn EP0163981A3 (de) 1984-05-10 1985-05-10 Lösbare Verbindung für ein Rohr mit dem Boden eines Halters, insbesondere eines Lampenschraubhalters

Country Status (4)

Country Link
EP (1) EP0163981A3 (de)
DD (1) DD233895A5 (de)
PL (1) PL143200B1 (de)
SU (1) SU1369683A3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000002219A2 (de) * 1998-07-04 2000-01-13 Werma Signaltechnik Gmbh & Co. Signalgeber

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE592121C (de) * 1930-06-06 1934-02-01 Siemens Schuckertwerke Akt Ges Vorrichtung zur Zugentlastung von elektrischen Leitungen
DE689774C (de) * 1938-03-03 1940-04-02 Siemens Schuckertwerke Akt Ges Befestigung eines verschiebbaren Leuchtenteils auf dem senkrechten Leuchtenrohr
DE6753174U (de) * 1968-09-26 1969-04-10 Siemens Ag Mastansatzleuchte
DE1750701A1 (de) * 1968-05-27 1971-02-25 Medizintechnik Leipzig Veb Klemmvorrichtung zur Befestigung von Tragarmen,Flanschen,Traversen od.dgl.an Stangen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE592121C (de) * 1930-06-06 1934-02-01 Siemens Schuckertwerke Akt Ges Vorrichtung zur Zugentlastung von elektrischen Leitungen
DE689774C (de) * 1938-03-03 1940-04-02 Siemens Schuckertwerke Akt Ges Befestigung eines verschiebbaren Leuchtenteils auf dem senkrechten Leuchtenrohr
DE1750701A1 (de) * 1968-05-27 1971-02-25 Medizintechnik Leipzig Veb Klemmvorrichtung zur Befestigung von Tragarmen,Flanschen,Traversen od.dgl.an Stangen
DE6753174U (de) * 1968-09-26 1969-04-10 Siemens Ag Mastansatzleuchte

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000002219A2 (de) * 1998-07-04 2000-01-13 Werma Signaltechnik Gmbh & Co. Signalgeber
WO2000002219A3 (de) * 1998-07-04 2001-07-05 Werma Signaltechnik Gmbh & Co Signalgeber
US6561719B1 (en) 1998-07-04 2003-05-13 Werma Signaltechnik Gmbh & Co. Signal transmitter

Also Published As

Publication number Publication date
SU1369683A3 (ru) 1988-01-23
PL247621A1 (en) 1985-11-19
EP0163981A3 (de) 1988-11-17
DD233895A5 (de) 1986-03-12
PL143200B1 (en) 1988-01-30

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Inventor name: KARUT, EMIL