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Overhead door components
 

 

 

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Summary

Description
English: A schematic of the construction of an overhead door. Note that the 2 rails are completely seperate (the door wheels cannot move from rail 1 to rail 2). The upper wheels connect to the horizontal rails, and the lower ones connect to the vertical rails. Also not that in this design, the counterweight connects to 2 seperate metal wires wich are each connected to the lower wheels (not the upper wheels). The schematic was made by simply analysing KVDP's current home garage door and drawing it over.
Date 22 March 2010(2010-03-22)
Source Own work
Author KVDP

Licensing

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
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EXIF data:
File name overhead_door_components.jpg
Size, bytes 246383
Mime type image/jpeg
Image input equipment manufacturer KONICA MINOLTA
Image input equipment model DiMAGE Z6
Orientation of image 1
Image resolution in width direction 72/1
Image resolution in height direction 72/1
Unit of X and Y resolution 2
Exposure time 1/60
F number 35/10
Exposure program 2
ISO speed rating 50
Exif version 0220
Lens focal length 384000/65536
Date and time original image was generated 2010:03:22 09:03:15
Date and time image was made digital data 2010:03:22 09:03:15
Meaning of each component 
Brightness 58/10
Exposure bias 0/10
Maximum lens aperture 300/100
Metering mode 5
User comments
Supported Flashpix version 0100
Color space information 1
Exif image width 2112
Exif image length 1960
InteroperabilityOffset 34304
Subject location Array
Digital zoom ratio 0/10
Focal length in 35 mm film 35
Subject distance range 1
Interoperability index R98
Interoperability version 0100
Software used GIMP 2.6.4
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