DE328331C - Friction drum for electric floor lamps with rotatable carrier - Google Patents

Friction drum for electric floor lamps with rotatable carrier

Info

Publication number
DE328331C
DE328331C DENDAT328331D DE328331DD DE328331C DE 328331 C DE328331 C DE 328331C DE NDAT328331 D DENDAT328331 D DE NDAT328331D DE 328331D D DE328331D D DE 328331DD DE 328331 C DE328331 C DE 328331C
Authority
DE
Germany
Prior art keywords
friction drum
electric floor
floor lamps
rotatable carrier
drum
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
DENDAT328331D
Other languages
German (de)
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.)
Schneider & Co Dr Ing
Original Assignee
Schneider & Co Dr Ing
Publication date
Application granted granted Critical
Publication of DE328331C publication Critical patent/DE328331C/en
Expired legal-status Critical Current

Links

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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/26—Pivoted arms

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

Reibungstrommel für elektrische Stehlampen mit drehbarem Träger. Die vorliegende Erfindung betrifft die einfache Ausführung einer Reibungstrommel in Stehlampen rriit drehbarem Träger und ähnlichen Beleuchtungskörpern. Werden derartige Reibungstrommeln, deren Verwendung z. B. in Fig. 3 dargestellt ist, aus Gußeisen angefertigt, so müssen diese Teile auf der Drehbank bearbeitet werden. Gemäß vorliegender Erfindung wird die Reibungstrommel aus Druck- oder Stanzstücken hergestellt und durch eine besondere Anordnung trotz der Verwendung von Blechen eine genügende Festigkeit gewährleistet, welche derjenigen eines massiven Metallkörpers nicht nachsteht. Zwei Kapseln von entsprechendem Durchmesser, die durch Stanzen, Drücken oder Ziehen hergestellt sind, werden ineinandergeschoben. Diese beiden zylindrischen Kapseln haben in ihrer zylindrischen, Wandung j e eine Bohrung zur späteren Aufnahme des Trägerrohres und eine rechteckige Öffnung zur Herausführung der Leitung. Durch Umbiegen der Lappen a können die beiden Kapseln, gegen seitliche Verdrehung gesichert werden. Das Trägerrohr kann in einfacher Weise dadurch befestigt werden, daß die Achse .der entstehenden Trommel durch dieses Rohr hindurchgeführt wird. Die Fig. 2 zeigt die Reibungstrommel nach dem Zusammenfügen, die Fig. 3 ihren Einbau in_ einen Lampenfuß. Die Achse der Trommel a geht gleichzeitig durch das Lampenrohr b, welches durch den kreisförmigen Ausschnitt c durch die Trommel tritt. Die Leitung, die durch das Rohr b hinuntergeführt wird, kann durch den Ausschnitt in der Trommel d-e herausgeführt werden.Friction drum for electric floor lamps with rotatable support. the The present invention relates to the simple design of a friction drum in Floor lamps with rotatable supports and similar lighting fixtures. Will such Friction drums whose use z. B. shown in Fig. 3, made of cast iron made, these parts must be machined on the lathe. According to the present Invention, the friction drum is made from printed or stamped pieces and Due to a special arrangement, despite the use of metal sheets, sufficient strength guaranteed, which is not inferior to that of a solid metal body. Two Capsules of appropriate diameter made by punching, pressing or drawing are pushed together. These two cylindrical capsules have in their cylindrical, wall j e a bore for later receiving the support tube and a rectangular opening for leading out the cable. By bending over the tabs a, the two capsules can be secured against lateral rotation. The carrier tube can be attached in a simple manner that the axis .der emerging Drum is passed through this tube. Fig. 2 shows the friction drum after assembly, FIG. 3 shows its installation in a lamp base. The axis of the Drum a also goes through the lamp tube b, which is through the circular Section c passes through the drum. The line that passed down through the pipe b can be led out through the cutout in the drum d-e.

Claims (1)

PATENTANSPRUCH: Reibungstrommel für elektrische Stehlampen mit drehbarem Träger, dadurch gekennzeichnet, daß sie aus zwei ineinandergefügten zylindrischen Hülsen, welche aus Blech gestanzt oder, gedrückt sind, besteht. PATENT CLAIM: Friction drum for electric floor lamps with a rotatable support, characterized in that it consists of two nested cylindrical sleeves which are stamped or pressed from sheet metal.
DENDAT328331D Friction drum for electric floor lamps with rotatable carrier Expired DE328331C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE328331T

Publications (1)

Publication Number Publication Date
DE328331C true DE328331C (en) 1920-10-27

Family

ID=6185893

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT328331D Expired DE328331C (en) Friction drum for electric floor lamps with rotatable carrier

Country Status (1)

Country Link
DE (1) DE328331C (en)

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