Beater bars are rotating brushes that help remove more dirt and dust from carpets. Originally made out of metal bars, modern vacuums have beater bars in the form of brush attachments. Different brush heads are required to clean different types of floors.
Full Answer
What is a beater bar on a brush?
A beater bar is actually a smoothly contoured metal agitator bar that is fixed to the rotating brush rolls in addition to the bristle brushes. Hoover invented this agitator bar in the 1920s to assist with lifting dirt from deep within carpet fibers through a vibrating action created when the beater bar rotates.
Where is the beater bar on a vacuum cleaner?
Beater is smoothly contoured metal agitator bar fixed to the rotating brush rolls. It is located at the bottom of vacuum cleaner. Layman finds it difficult to differentiate between beater bar and rotating brush roll. It is rare to find beater bars on modern vacuum cleaners.
Do you need a beater bar or a brush roll vacuum?
This decision really comes down to your flooring type. If your home has mainly carpets you need a vacuum with a brush roll if you want your vacuuming efforts to be most effective and efficient. However, you need to be cognisant that a beater bar can leave scratches on certain floors.
Does the beater bar work on carpet?
Beater bar works only on fluffy carpets. The beater bar works on fluffy carpeted floors. The rotating brush helps you to reach out to the depth of the carpet, dislodging any dirt and debris. It performs best on fiber carpets, but the beater bar function may be damaging in other types of carpets.

What is the purpose of a beater bar?
The main purpose of the beater bar was to provide a greater agitation to the carpet to release dirt from deep within the fibers and bring it up, so that it could then be drawn into the floor nozzle via the action of the vacuum’s suction and brushes.
Where is the beater bar on a vacuum?
Beater bars are commonly misunderstood. Many people mistakenly understand the beater bar to be the rotating brush roll fixed at the bottom of the vacuum cleaner head. This is incorrect, although the misinterpretation is understandable since it is rare to find “traditional” beater bars on modern day vacuum cleaners.
How many RPM does a vacuum brush roll rotate?
With the brush roll rotating about 6500 rpm, it is only natural that it will wear out over time. When the bristles on the brush are worn out, their effectiveness will reduce. You should check it as part of your regular vacuum maintenance to ensure the brushes are in good condition.
When was the Hoover agitator invented?
Hoover invented this agitator bar in the 1920s to assist with lifting dirt from deep within carpet fibers through a vibrating action created when the beater bar rotates. The beater bar beats the carpet to vibrate it and loosen the dirt whilst the vacuum’s suction draws the air and dirt up and the brushes sweep and groom.
Can you vacuum without a beater bar?
If you have a mixture of flooring in your home consider getting a vacuum cleaner that allows you to use the beater bar when you need it and switch it off, when you do not . This is a key feature to look for when purchasing a vacuum. That way, you can vacuum without the beater bar to protect your floors when required.
Do you need a vacuum with a brush roll?
If your home has mainly carpets you need a vacuum with a brush roll if you want your vacuuming efforts to be most effective and efficient. However, you need to be cognisant that a beater bar can leave scratches on certain floors.
Do beater bar vacuums work for pets?
Beater bar vacuum cleaners are essential in homes with pets. The beater bar and rotating brush roll excels at removing all kinds of debris from carpeted floors . If you have pets, they will shed hair, dander and other debris on your floors.
WHAT ACTUALLY A BEATER BAR IS?
It is not the brush that resides and rotates and resides on underside of the vacuum cleaner. But it is the metal agitator bar with really smooth shape which is attached to the turning brush having normal bristles just like it is present normally on a brush.
PURPOSE OF THE BEATER BAR
The purpose of Hoover’s invention in 1920’s is actually to agitate the dirt and soils from deep inside the carpet by loosen the dirt. The beater bars vibrates and turns at speed on the carpet to release dirt deep in the carpet and bringing it up. The feature is helpful, if you have fluffy carpets or cut – pile carpets.
FUNCTION OF THE BEATER BAR
As mentioned above, beater bars works to lift up the deep soil and dirt that stucks deep inside the carpet. The function of the beater bar is that when beater bar turns at speed and with turning the beater bar vibrates.
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Product description
Those who use any of iRobot's family of Roomba Robotic Vacuum Cleaners know and love how simple it can be to maintain a tidy, welcoming home. Compatible with all 500 Series Roomba Robots with a red or green cleaning head (sold separately), this robust kit provides replacement beater brushes to keep the cleaner in good working order.
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