DE458973C - Window frames for sheet metal housings, especially electricity meters - Google Patents
Window frames for sheet metal housings, especially electricity metersInfo
- Publication number
- DE458973C DE458973C DEA47203D DEA0047203D DE458973C DE 458973 C DE458973 C DE 458973C DE A47203 D DEA47203 D DE A47203D DE A0047203 D DEA0047203 D DE A0047203D DE 458973 C DE458973 C DE 458973C
- Authority
- DE
- Germany
- Prior art keywords
- window
- housing wall
- sheet metal
- electricity meters
- window frames
- 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
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 5
- 239000002184 metal Substances 0.000 title claims description 5
- 230000005611 electricity Effects 0.000 title claims description 4
- 239000011521 glass Substances 0.000 description 3
- 238000002788 crimping Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/26—Windows; Cover glasses; Sealings therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Description
Fensterrahmen für Blechgehäuse, insbesondere Elektrizitätszähler. Die Erfindung betrifft Fensterrahmen für Blechgehäuse von Meßinstrumenten, insbesondere von Elektrizitätszählern. Die Befestigung solcher Fensterrahmen wurde bisher auf die verschiedensten Arten ausgeführt. Beispielsweise wurden die Rahmen in der Gehäusewand durch Punktschweißtmg befestigt; ein Verfahren, welches jedoch bei Zinkblech-oder Aluminiumbfechkappen nicht anwendbar ist. Vielfach wurden die Rahmen auch durch kleine Niete befestigt. Diese geben jedoch dadurch zu Mißständen Anlaß, daß sie in der praktischen Massenherstellung gelegentlich schief oder locker eingedrückt werden. Außerdem beeinträchtigen die Nietköpfe das glatte und schöne Aussehen des Zählers. Man hat deshalb Fensterrahmen angewendet, bei welchen sowohl Nietungen als auch Punktschweißung vermieden sind, z. B. solche, bei welchen der das Glasfenster tragende Fassungsrahmen durch den umgefalzten Rand der Fensteröffnung festgehalten wird.Window frames for sheet metal housings, in particular electricity meters. The invention relates to window frames for sheet metal housings of measuring instruments, in particular of electricity meters. The attachment of such window frames was previously based on executed in various ways. For example, the frames were in the case wall fixed by spot welding; a process which, however, applies to sheet zinc or Aluminum bifurcated caps are not applicable. In many cases, the frames were also through small rivet attached. However, these give rise to grievances because they in practical mass production occasionally indented crookedly or loosely will. In addition, the rivet heads detract from the smooth and beautiful appearance of the Counter. One has therefore used window frames in which both rivets as well as spot welding are avoided, e.g. B. those in which the glass window The supporting frame is held in place by the folded edge of the window opening will.
Durch die Erfindung wird eine neue, einfache und billige Befestigung dieser letzteren Art ermöglicht, und zwar wird erfindungsgemäß der Fensterrahmen, in welchem das Glasfenster in bekannter Weise, z. B. durch umgebogene Lappen gehalten wird, mit einem senkrecht zur Ebene des Fensters stehenden Rand versehen, welcher von innen durch einen in der Gehäusewand vorgesehenen Ausschnitt hindurchgesteckt und auf der Außenseite des Gehäuses umgebördelt, umgefalzt oder umgerollt wird. Bei dieser Anordnung wird demnach das Umfalzen des Gehäuseausschnittes erspart. An seiner Stelle wird ein Umbördeln, Umfalzen oder Umrollen des durch den Gehäuseausschnitt hindurchgesteckten Fensterrahmens notwendig. Diese Operation kann jedoch bei Vorhandensein geeigneter Einrichtungen einfacher und billiger ausgeführt werden.The invention provides a new, simple and inexpensive attachment this latter type is made possible, namely according to the invention the window frame, in which the glass window in a known manner, for. B. held by bent lobes is provided with a border perpendicular to the plane of the window, which inserted through a cutout provided in the housing wall from the inside and is crimped, crimped or rolled on the outside of the housing. With this arrangement, the need to fold over the housing cutout is therefore saved. In its place, a crimping, crimping or rolling of the through the housing cutout is carried out window frame inserted through it is necessary. However, this operation can be performed in the presence suitable facilities are easier and cheaper to run.
Beispielsweise Ausführungen eines solchen Rahmens sind in den Abbildungen dargestellt. a ist die Gehäusewand, b das Glasfenster, c sind Lappen, welche umgebogen werden, um das Fensterglas zu halten. d ist der nach dem Einsetzen des Rahmens auf der Außenseite der Gehäusewand umgerollte Rand, durch welchen der Rahmen an der Blechwand befestigt ist. In der Ausführung nach Abb. 2 ist dieser Rand um einen den Umfang des Ausschnittes. umziehenden, nach außen umgebördelten Rand f umgelegt. Dabei liegt das Fenster in einer der Gehäusewand 'eingeprägten, der Form des Fensters angepaßten Erhöhung e.Examples of such a frame are shown in the figures. a is the housing wall, b the glass window, c are flaps that are bent over to hold the window glass. d is the edge rolled over on the outside of the housing wall after the frame has been inserted, through which the frame is attached to the sheet metal wall. In the embodiment according to Fig. 2, this edge is around the circumference of the cutout. encircling, outwardly beaded edge f folded over. The window is located in one of the housing wall 'embossed, the shape of the window adapted elevation e.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA47203D DE458973C (en) | Window frames for sheet metal housings, especially electricity meters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA47203D DE458973C (en) | Window frames for sheet metal housings, especially electricity meters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE458973C true DE458973C (en) | 1928-04-23 |
Family
ID=6935667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEA47203D Expired DE458973C (en) | Window frames for sheet metal housings, especially electricity meters |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE458973C (en) |
-
0
- DE DEA47203D patent/DE458973C/en not_active Expired
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