Each of the annular ends have a serrated circular peripheral edge with about 90 to about 150.
Retractable tape measure spring mechanism.
A retractable tape measure having a housing with an opening therein through which a portion of the tape extends with the remainder of the tape being coiled around a spring biased reel having a hub around which the tape is coiled.
As you pull the tape out the spring characteristic will be getting higher and it is used to retract your tape automatically.
Occasionally the spring on an auto retracting tape measure will become a bit sprung or stretched so that the tape will not fully retract into the case on it s own.
Retractable tape measures use a flat metal spring wound around a spindle in the center of the tape.
You can purchase a new part at the same store you bought your tape measure from.
A wide variety of tape measure spring options are available to you such as usage material and load type.
Make sure you have the model number and size when you go to the store to get the exact fit.
When the tape is pulled the defect hooks on the case stopping the tape from moving.
A resilient bumper is mounted in the housing in position to contact the pull tab when the tape is retracted.
A tape measure retracts because the tape connects to a flat metal spring coiled around a central post inside the tape housing.
The spring mechanism of a tape measure is actually a long flat coiled metallic material.
The coiled tape has a free end with a pull tab secured thereto.
Problems arise typically from a crack or split on the blade.
The ruler or blade attaches to the end of the spring.
Opposed annular ends on the hub retain the tape coiled therearound.
If the tape gets damaged you can pull it all the way out of the housing unhook it from the spring and hook on a new tape as long as you take appropriate precautions to prevent the spring from retracting.
About 12 of these are springs 25 are tape measures.
Step 5 put the tape back.
Not all types of metallic material are able to generate spring property however the steel commonly is.
Mechanism of a retractable measuring tape מנגנון הגלילה האוטומטי של סרט מדידה.
After replacing the spring connect the tape to the spring by putting the end of the spring into the hole at the start of the tape.
The only solution is to replace the blade.
